From 5469fd6c81863f0f0d9a7ae7dce3710699efead8 Mon Sep 17 00:00:00 2001 From: gi8 Date: Tue, 12 Dec 2023 17:14:07 +0100 Subject: [PATCH] first commit --- .github/renovate.json | 6 + .github/workflows/build.yml | 47 + .github/workflows/codeql-analysis.yml | 67 + .github/workflows/golangci-lint.yml | 27 + .gitignore | 3 + .gorelease.yaml | 71 + Dockerfile | 23 + LICENSE | 202 + README.md | 68 + cmd/fetch.go | 78 + cmd/push.go | 117 + cmd/root.go | 134 + cmd/serve.go | 82 + deploy/deployment.yaml | 31 + deploy/ingress.yaml | 19 + deploy/service.yaml | 15 + go.mod | 38 + go.sum | 91 + internal/config/parse.go | 52 + internal/config/parse_test.go | 57 + internal/config/read.go | 36 + internal/config/read_test.go | 73 + internal/config/structs.go | 77 + internal/config/utils.go | 60 + internal/config/utils_test.go | 62 + internal/handlers/append.go | 65 + internal/handlers/fetch.go | 44 + internal/handlers/home.go | 43 + internal/handlers/save.go | 57 + internal/handlers/structs.go | 10 + internal/handlers/utils.go | 165 + internal/server/register.go | 39 + internal/server/register_test.go | 79 + internal/server/server.go | 119 + internal/server/server_test.go | 80 + internal/utils/utils.go | 82 + internal/utils/utils_test.go | 81 + main.go | 30 + web/static/css/addon/dialog/dialog.css | 32 + web/static/css/lib/codemirror.css | 344 + web/static/css/theme/catppuccin-colors.css | 418 + web/static/css/theme/catppuccin.css | 128 + web/static/css/vimbin.css | 83 + web/static/js/addon/dialog/dialog.js | 163 + web/static/js/addon/edit/matchbrackets.js | 160 + web/static/js/addon/search/searchcursor.js | 305 + web/static/js/keymap/vim.js | 5978 ++++++++++++ web/static/js/lib/codemirror.js | 9884 ++++++++++++++++++++ web/static/js/mode/clike/clike.js | 942 ++ web/static/js/vimbin.js | 125 + web/templates/index.html | 39 + 51 files changed, 21031 insertions(+) create mode 100644 .github/renovate.json create mode 100644 .github/workflows/build.yml create mode 100644 .github/workflows/codeql-analysis.yml create mode 100644 .github/workflows/golangci-lint.yml create mode 100644 .gitignore create mode 100644 .gorelease.yaml create mode 100644 Dockerfile create mode 100644 LICENSE create mode 100644 README.md create mode 100644 cmd/fetch.go create mode 100644 cmd/push.go create mode 100644 cmd/root.go create mode 100644 cmd/serve.go create mode 100644 deploy/deployment.yaml create mode 100644 deploy/ingress.yaml create mode 100644 deploy/service.yaml create mode 100644 go.mod create mode 100644 go.sum create mode 100644 internal/config/parse.go create mode 100644 internal/config/parse_test.go create mode 100644 internal/config/read.go create mode 100644 internal/config/read_test.go create mode 100644 internal/config/structs.go create mode 100644 internal/config/utils.go create mode 100644 internal/config/utils_test.go create mode 100644 internal/handlers/append.go create mode 100644 internal/handlers/fetch.go create mode 100644 internal/handlers/home.go create mode 100644 internal/handlers/save.go create mode 100644 internal/handlers/structs.go create mode 100644 internal/handlers/utils.go create mode 100644 internal/server/register.go create mode 100644 internal/server/register_test.go create mode 100644 internal/server/server.go create mode 100644 internal/server/server_test.go create mode 100644 internal/utils/utils.go create mode 100644 internal/utils/utils_test.go create mode 100644 main.go create mode 100644 web/static/css/addon/dialog/dialog.css create mode 100644 web/static/css/lib/codemirror.css create mode 100644 web/static/css/theme/catppuccin-colors.css create mode 100644 web/static/css/theme/catppuccin.css create mode 100644 web/static/css/vimbin.css create mode 100644 web/static/js/addon/dialog/dialog.js create mode 100644 web/static/js/addon/edit/matchbrackets.js create mode 100644 web/static/js/addon/search/searchcursor.js create mode 100644 web/static/js/keymap/vim.js create mode 100644 web/static/js/lib/codemirror.js create mode 100644 web/static/js/mode/clike/clike.js create mode 100644 web/static/js/vimbin.js create mode 100644 web/templates/index.html diff --git a/.github/renovate.json b/.github/renovate.json new file mode 100644 index 0000000..3682f93 --- /dev/null +++ b/.github/renovate.json @@ -0,0 +1,6 @@ +{ + "$schema": "https://docs.renovatebot.com/renovate-schema.json", + "extends": ["config:base"], + "labels": ["dependencies"], + "postUpdateOptions": ["gomodTidy"] +} diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml new file mode 100644 index 0000000..6cc0e23 --- /dev/null +++ b/.github/workflows/build.yml @@ -0,0 +1,47 @@ +--- +name: build + +on: + push: + tags: + - "v*" + +jobs: + build: + runs-on: ubuntu-latest + steps: + - name: Checkout + uses: actions/checkout@v3 + with: + fetch-depth: 3 + - name: Determine Go version from go.mod + run: echo "GO_VERSION=$(grep "go 1." go.mod | cut -d " " -f 2)" >> $GITHUB_ENV + - name: Set up Go + uses: actions/setup-go@v4 + with: + go-version: ${{ env.GO_VERSION }} + - name: Set up QEMU + uses: docker/setup-qemu-action@v2 + - name: Set up Docker Buildx + uses: docker/setup-buildx-action@v2 + - name: Cache Go modules + uses: actions/cache@v3 + with: + path: ~/go/pkg/mod + key: ${{ runner.os }}-go-${{ hashFiles('**/go.sum') }} + restore-keys: | + ${{ runner.os }}-go- + - name: Log in to GitHub Container registry + uses: docker/login-action@v2 + with: + registry: ghcr.io + username: ${{ github.actor }} + password: ${{ secrets.GITHUB_TOKEN }} + - name: Run GoReleaser + uses: goreleaser/goreleaser-action@v4 + if: success() && startsWith(github.ref, 'refs/tags/') + with: + version: latest + args: release --rm-dist + env: + GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }} diff --git a/.github/workflows/codeql-analysis.yml b/.github/workflows/codeql-analysis.yml new file mode 100644 index 0000000..f19243f --- /dev/null +++ b/.github/workflows/codeql-analysis.yml @@ -0,0 +1,67 @@ +# For most projects, this workflow file will not need changing; you simply need +# to commit it to your repository. +# +# You may wish to alter this file to override the set of languages analyzed, +# or to provide custom queries or build logic. +# +# ******** NOTE ******** +# We have attempted to detect the languages in your repository. Please check +# the `language` matrix defined below to confirm you have the correct set of +# supported CodeQL languages. +# +name: "CodeQL" + +on: + push: + branches: [master] + pull_request: + # The branches below must be a subset of the branches above + branches: [master] + schedule: + - cron: "22 20 * * 5" + +jobs: + analyze: + name: Analyze + runs-on: ubuntu-latest + + strategy: + fail-fast: false + matrix: + language: ["go"] + # CodeQL supports [ 'cpp', 'csharp', 'go', 'java', 'javascript', 'python' ] + # Learn more: + # https://docs.github.com/en/free-pro-team@latest/github/finding-security-vulnerabilities-and-errors-in-your-code/configuring-code-scanning#changing-the-languages-that-are-analyzed + + steps: + - name: Checkout repository + uses: actions/checkout@v3 + + # Initializes the CodeQL tools for scanning. + - name: Initialize CodeQL + uses: github/codeql-action/init@v2 + with: + languages: ${{ matrix.language }} + # If you wish to specify custom queries, you can do so here or in a config file. + # By default, queries listed here will override any specified in a config file. + # Prefix the list here with "+" to use these queries and those in the config file. + # queries: ./path/to/local/query, your-org/your-repo/queries@main + + # Autobuild attempts to build any compiled languages (C/C++, C#, or Java). + # If this step fails, then you should remove it and run the build manually (see below) + - name: Autobuild + uses: github/codeql-action/autobuild@v2 + + # ℹ️ Command-line programs to run using the OS shell. + # 📚 https://git.io/JvXDl + + # ✏️ If the Autobuild fails above, remove it and uncomment the following three lines + # and modify them (or add more) to build your code if your project + # uses a compiled language + + #- run: | + # make bootstrap + # make release + + - name: Perform CodeQL Analysis + uses: github/codeql-action/analyze@v2 diff --git a/.github/workflows/golangci-lint.yml b/.github/workflows/golangci-lint.yml new file mode 100644 index 0000000..1c153f8 --- /dev/null +++ b/.github/workflows/golangci-lint.yml @@ -0,0 +1,27 @@ +--- +name: golangci-lint +on: + push: + tags: + - v* + branches: + - master + pull_request: +permissions: + contents: read +jobs: + golangci: + name: lint + runs-on: ubuntu-latest + steps: + - uses: actions/checkout@v3 + - name: Determine Go version from go.mod + run: echo "GO_VERSION=$(grep "go 1." go.mod | cut -d " " -f 2)" >> $GITHUB_ENV + - name: Set up Go + uses: actions/setup-go@v4 + with: + go-version: ${{ env.GO_VERSION }} + - name: golangci-lint + uses: golangci/golangci-lint-action@v3 + with: + args: --issues-exit-code=0 --timeout=3m ./... diff --git a/.gitignore b/.gitignore new file mode 100644 index 0000000..07859be --- /dev/null +++ b/.gitignore @@ -0,0 +1,3 @@ +vimbin +.vimbin +*.txt diff --git a/.gorelease.yaml b/.gorelease.yaml new file mode 100644 index 0000000..5089a82 --- /dev/null +++ b/.gorelease.yaml @@ -0,0 +1,71 @@ +--- +project_name: vimbin +before: + hooks: + - go mod tidy +builds: + - main: ./main.go + env: + - CGO_ENABLED=0 + goos: + - linux + - darwin + goarch: + - amd64 + - arm64 + - arm +dockers: + - image_templates: + - ghcr.io/containeroo/vimbin:{{ .Tag }}-amd64 + use: buildx + dockerfile: Dockerfile + extra_files: + - go.mod + - go.sum + - main.go + - cmd + - internal + - web + build_flag_templates: + - --pull + - --platform=linux/amd64 + - --label=org.opencontainers.image.title={{ .ProjectName }} + - --label=org.opencontainers.image.description={{ .ProjectName }} + - --label=org.opencontainers.image.url=https://github.com/containeroo/vimbin + - --label=org.opencontainers.image.source=https://github.com/containeroo/vimbin + - --label=org.opencontainers.image.version={{ .Version }} + - --label=org.opencontainers.image.created={{ time "2006-01-02T15:04:05Z07:00" }} + - --label=org.opencontainers.image.revision={{ .FullCommit }} + - --label=org.opencontainers.image.licenses="GNU General Public License v3.0" + - image_templates: + - ghcr.io/containeroo/vimbin:{{ .Tag }}-arm64 + use: buildx + dockerfile: Dockerfile + extra_files: + - go.mod + - go.sum + - main.go + - cmd + - internal + - web + goarch: arm64 + build_flag_templates: + - --pull + - --platform=linux/arm64 + - --label=org.opencontainers.image.title={{ .ProjectName }} + - --label=org.opencontainers.image.description={{ .ProjectName }} + - --label=org.opencontainers.image.url=https://github.com/containeroo/vimbin + - --label=org.opencontainers.image.source=https://github.com/containeroo/vimbin + - --label=org.opencontainers.image.version={{ .Version }} + - --label=org.opencontainers.image.created={{ time "2006-01-02T15:04:05Z07:00" }} + - --label=org.opencontainers.image.revision={{ .FullCommit }} + - --label=org.opencontainers.image.licenses="GNU General Public License v3.0" +docker_manifests: + - name_template: ghcr.io/containeroo/vimbin:{{ .Tag }} + image_templates: + - ghcr.io/containeroo/vimbin:{{ .Tag }}-amd64 + - ghcr.io/containeroo/vimbin:{{ .Tag }}-arm64 + - name_template: ghcr.io/containeroo/vimbin:latest + image_templates: + - ghcr.io/containeroo/vimbin:{{ .Tag }}-amd64 + - ghcr.io/containeroo/vimbin:{{ .Tag }}-arm64 diff --git a/Dockerfile b/Dockerfile new file mode 100644 index 0000000..80c1969 --- /dev/null +++ b/Dockerfile @@ -0,0 +1,23 @@ +FROM golang:1.20-alpine as builder + +WORKDIR /workspace +# Copy the Go Modules manifests +COPY go.mod go.sum ./ +# cache deps before building and copying source so that we don't need to re-download as much +# and so that source changes don't invalidate our downloaded layer +RUN go mod download + +# Copy the go source +COPY . . + +# Build +RUN CGO_ENABLED=0 GO111MODULE=on go build -a -installsuffix nocgo -o /vimbin + +FROM gcr.io/distroless/static:nonroot + +WORKDIR / + +COPY --from=builder /vimbin ./ +USER 65532:65532 + +ENTRYPOINT ["./vimbin"] diff --git a/LICENSE b/LICENSE new file mode 100644 index 0000000..d645695 --- /dev/null +++ b/LICENSE @@ -0,0 +1,202 @@ + + Apache License + Version 2.0, January 2004 + http://www.apache.org/licenses/ + + TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION + + 1. 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We also recommend that a + file or class name and description of purpose be included on the + same "printed page" as the copyright notice for easier + identification within third-party archives. + + Copyright [yyyy] [name of copyright owner] + + Licensed under the Apache License, Version 2.0 (the "License"); + you may not use this file except in compliance with the License. + You may obtain a copy of the License at + + http://www.apache.org/licenses/LICENSE-2.0 + + Unless required by applicable law or agreed to in writing, software + distributed under the License is distributed on an "AS IS" BASIS, + WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + See the License for the specific language governing permissions and + limitations under the License. diff --git a/README.md b/README.md new file mode 100644 index 0000000..1527e3f --- /dev/null +++ b/README.md @@ -0,0 +1,68 @@ +# `vimbin` + +`vimbin` is a powerful pastebin tool that seamlessly integrates the efficiency of Vim motions with the simplicity of a pastebin service. It offers two main commands: + +- **serve**: Start a local web server featuring a textarea for creating, managing, and refining content. All changes made in the textarea are persistently stored to a file, and users can navigate and manipulate text using familiar Vim motions for an enhanced editing experience. + +- **push**: Quickly send text to the `vimbin` server from the command line. This allows for easy integration with other tools and scripts, streamlining the process of sharing content through `vimbin`. + +## Commands + +### Serve + +Start the server: + +```bash +./vimbin serve +``` + +#### Options + +`--listen-address`, `-a`: The address to listen on for HTTP requests. (Default: `:8080`) +`--theme`, `-t`: The theme to use. Can be auto, light, or dark. (Default: `auto`) +`--directory`, `-d`: The path to the storage directory. Defaults to the current working directory. +`--name`, `-n`: The name of the file to save. (Default: `.vimbin`) + +### Push + +Push data to the `vimbin` server: + +```bash +./vimbin push [text] +``` + +#### Options + +`--url`, `-u`: The URL of the `vimbin` server. +`--append`, `-a`: Append to the existing file on the `vimbin` server. + +### Fetch + +Fetch the latest data from the `vimbin` server: + +```bash +./vimbin fetch +``` + +#### Options + +`--url`, `-u`: The URL of the `vimbin` server. + +## Configuration + +`vimbin` can be configured using a YAML configuration file. By default, it looks for a file named `.vimbin.yaml` where the `vimbin` binary is started. + +Example configuration: + +```yaml +server: + web: + address: ":8080" + theme: auto + api: + address: "http://vimbin.example.com" + +storage: + name: .vimbin + directory: $(pwd) +``` diff --git a/cmd/fetch.go b/cmd/fetch.go new file mode 100644 index 0000000..6b4867e --- /dev/null +++ b/cmd/fetch.go @@ -0,0 +1,78 @@ +/* +Copyright © 2023 containeroo hello©containeroo.ch + +Licensed under the Apache License, Version 2.0 (the "License"); +you may not use this file except in compliance with the License. +You may obtain a copy of the License at + + http://www.apache.org/licenses/LICENSE-2.0 + +Unless required by applicable law or agreed to in writing, software +distributed under the License is distributed on an "AS IS" BASIS, +WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +See the License for the specific language governing permissions and +limitations under the License. +*/ +package cmd + +import ( + "fmt" + "io" + "os" + "strings" + "vimbin/internal/config" + "vimbin/internal/utils" + + "github.com/rs/zerolog/log" + + "github.com/spf13/cobra" +) + +// fetchCmd represents the 'fetch' command for retrieving the latest data from the vimbin server. +var fetchCmd = &cobra.Command{ + Use: "fetch", + Short: "Fetches the latest data from the vimbin server", + Long: `The 'fetch' command retrieves the latest content from the vimbin server specified by the provided URL. +It makes a GET request to the server and prints the response body to the console. + +Example: + vimbin fetch --url http://example.com`, + Run: func(cmd *cobra.Command, args []string) { + url := strings.TrimSuffix(config.App.Server.Api.Address, "/") + + if url == "" { + log.Error().Msg("URL is empty") + os.Exit(1) + } + url += "/fetch" + + httpClient := utils.CreateHTTPClient(config.App.Server.Api.SkipInsecureVerify) + + // Make a GET request to the vimbin server + response, err := httpClient.Get(url) + if err != nil { + log.Error().Msgf("Error making GET request: %s", err) + return + } + defer response.Body.Close() + + // Read the response body + body, err := io.ReadAll(response.Body) + if err != nil { + log.Error().Msgf("Error reading response body: %s", err) + return + } + + // Print the content to the console + fmt.Println(string(body)) + }, +} + +func init() { + // Add 'fetchCmd' to the root command + rootCmd.AddCommand(fetchCmd) + + // Define command-line flags for 'fetchCmd' + fetchCmd.PersistentFlags().StringVarP(&config.App.Server.Api.Address, "url", "u", "", "The URL of the vimbin server") + fetchCmd.PersistentFlags().BoolVarP(&config.App.Server.Api.SkipInsecureVerify, "insecure-skip-verify", "i", false, "Skip TLS certificate verification") +} diff --git a/cmd/push.go b/cmd/push.go new file mode 100644 index 0000000..db32c0a --- /dev/null +++ b/cmd/push.go @@ -0,0 +1,117 @@ +/* +Copyright © 2023 containeroo hello©containeroo.ch + +Licensed under the Apache License, Version 2.0 (the "License"); +you may not use this file except in compliance with the License. +You may obtain a copy of the License at + + http://www.apache.org/licenses/LICENSE-2.0 + +Unless required by applicable law or agreed to in writing, software +distributed under the License is distributed on an "AS IS" BASIS, +WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +See the License for the specific language governing permissions and +limitations under the License. +*/ +package cmd + +import ( + "bytes" + "encoding/json" + "fmt" + "io" + "net/http" + "os" + "strings" + "vimbin/internal/config" + "vimbin/internal/utils" + + "github.com/rs/zerolog/log" + + "github.com/spf13/cobra" +) + +var appendFlag bool + +// pushCmd represents the 'push' command for sending data to the vimbin server. +var pushCmd = &cobra.Command{ + Use: "push", + Short: "Pushes data to the vimbin server", + Long: `Push sends data to the vimbin server, allowing you to store text content. +It supports two modes: 'save' and 'append'. In 'save' mode, the entire content is +replaced, while in 'append' mode, new content is added to the existing content. + +Examples: + - Save content: + vimbin push "Your text content" --url http://example.com + - Append content: + vimbin push --append "Additional content" --url http://example.com`, + Run: func(cmd *cobra.Command, args []string) { + // Check if at least one character is provided + if len(args) < 1 { + log.Error().Msg("You must push at least one character.") + os.Exit(1) + } + + url := strings.TrimSuffix(config.App.Server.Api.Address, "/") + if url == "" { + log.Error().Msg("URL is empty") + os.Exit(1) + } + + // Concatenate input arguments into a single string + body := strings.Join(args, "\n") + + // Build the URL based on the "append" flag + if appendFlag { + url += "/append" + body = "\n" + body + } else { + url += "/save" + } + + // Prepare content for the POST request + content := map[string]string{"content": body} + requestBody, err := json.Marshal(content) + if err != nil { + log.Error().Msgf("Error encoding JSON: %s", err) + os.Exit(1) + } + + httpClient := utils.CreateHTTPClient(config.App.Server.Api.SkipInsecureVerify) + + // Make the POST request to the vimbin server + response, err := httpClient.Post(url, "application/json", bytes.NewBuffer(requestBody)) + if err != nil { + log.Error().Msgf("Error making POST request: %s", err) + os.Exit(1) + } + defer response.Body.Close() + + // Check for successful response + if response.StatusCode != http.StatusOK { + log.Error().Msgf("Unexpected status code %d", response.StatusCode) + os.Exit(1) + } + + // Read and print the response body + var responseBodyBuffer bytes.Buffer + _, err = io.Copy(&responseBodyBuffer, response.Body) + if err != nil { + log.Error().Msgf("Error reading response body: %s", err) + os.Exit(1) + } + + fmt.Println(responseBodyBuffer.String()) + }, +} + +func init() { + // Add 'fetchCmd' to the root command + rootCmd.AddCommand(pushCmd) + + // Define command-line flags for 'fetchCmd' + pushCmd.PersistentFlags().StringVarP(&config.App.Server.Api.Address, "url", "u", "", "The URL of the vimbin server") + pushCmd.PersistentFlags().BoolVarP(&config.App.Server.Api.SkipInsecureVerify, "insecure-skip-verify", "i", false, "Skip TLS certificate verification") + pushCmd.PersistentFlags().BoolVarP(&appendFlag, "append", "a", false, "Append content to the existing content") +} diff --git a/cmd/root.go b/cmd/root.go new file mode 100644 index 0000000..ff27e0f --- /dev/null +++ b/cmd/root.go @@ -0,0 +1,134 @@ +/* +Copyright © 2023 containeroo hello©containeroo.ch + +Licensed under the Apache License, Version 2.0 (the "License"); +you may not use this file except in compliance with the License. +You may obtain a copy of the License at + + http://www.apache.org/licenses/LICENSE-2.0 + +Unless required by applicable law or agreed to in writing, software +distributed under the License is distributed on an "AS IS" BASIS, +WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +See the License for the specific language governing permissions and +limitations under the License. +*/ +package cmd + +import ( + "fmt" + "os" + "time" + + "github.com/rs/zerolog" + "github.com/rs/zerolog/log" + "github.com/spf13/cobra" + + "github.com/spf13/viper" +) + +const ( + version = "v0.0.1" +) + +var ( + cfgFile string + debug bool + trace bool + printVersion bool +) + +// rootCmd represents the base command when called without any subcommands. +var rootCmd = &cobra.Command{ + Use: "vimbin", + Short: "vimbin - a pastebin with vim motion", + Long: `vimbin is a powerful pastebin tool that seamlessly integrates the efficiency of Vim motions + with the simplicity of a pastebin service. It offers two main commands: + +- server: Start a local web server featuring a textarea for creating, managing, and refining content. + All changes made in the textarea are persistently stored to a file, and users can navigate and + manipulate text using familiar Vim motions for an enhanced editing experience. + +- push: Quickly send text to the vimbin server from the command line. This allows for easy integration + with other tools and scripts, streamlining the process of sharing content through vimbin. + `, + PersistentPreRun: func(cmd *cobra.Command, args []string) { + // PersistentPreRun is executed before any subcommand is executed. + + // Check if the version flag is set and print the version + if printVersion { + fmt.Println("vimbin version:", version) + os.Exit(0) + } + + // Configure zerolog + zerolog.TimeFieldFormat = zerolog.TimeFormatUnix + output := zerolog.ConsoleWriter{Out: os.Stdout, TimeFormat: time.RFC3339} + log.Logger = zerolog.New(output).With().Timestamp().Logger() + + // Configure log levels based on debug and trace flags + if debug { + zerolog.SetGlobalLevel(zerolog.DebugLevel) + log.Debug().Msgf("Verbose output enabled") + } else if trace { + zerolog.SetGlobalLevel(zerolog.TraceLevel) + log.Debug().Msgf("Trace output enabled") + } + }, + Run: func(cmd *cobra.Command, args []string) { + // Run is executed if no subcommand is specified. + + // Check if the version flag is set and print the version + if printVersion { + fmt.Println("vimbin version:", version) + os.Exit(0) + } else { + // Display the root command's help message + cmd.Help() + } + }, +} + +// Execute adds all child commands to the root command and sets flags appropriately. +// This is called by main.main(). It only needs to happen once for the rootCmd. +func Execute() { + // Execute the root command and handle any errors + cobra.CheckErr(rootCmd.Execute()) +} + +func init() { + // Initialize the configuration + cobra.OnInitialize(initConfig) + + // Define command-line flags for the root command + rootCmd.PersistentFlags().StringVarP(&cfgFile, "config", "c", "", "Path to the configuration file (Default: $HOME/.vimbin.yaml).") + rootCmd.PersistentFlags().BoolVarP(&debug, "debug", "", false, "Activates debug output for detailed logging.") + rootCmd.PersistentFlags().BoolVarP(&trace, "trace", "", false, "Enables trace mode. This will show the content in the logs!") + rootCmd.MarkFlagsMutuallyExclusive("debug", "trace") // Ensure that debug and trace flags are mutually exclusive + + rootCmd.PersistentFlags().BoolVarP(&printVersion, "version", "v", false, "Print version and exit.") +} + +// initConfig reads the configuration from the specified file or environment variables. +func initConfig() { + if cfgFile != "" { + // Use the config file specified by the flag. + viper.SetConfigFile(cfgFile) + } else { + // Find the home directory. + home, err := os.UserHomeDir() + cobra.CheckErr(err) + + // Search for the config file in the home directory with the name ".vimbin" (without extension). + viper.AddConfigPath(home) + viper.SetConfigType("yaml") + viper.SetConfigName(".vimbin") + } + + viper.AutomaticEnv() // Read in environment variables that match + + // If a config file is found, read it in. + if err := viper.ReadInConfig(); err == nil { + log.Fatal().Msgf("Error reading config file: %v", err) + } +} diff --git a/cmd/serve.go b/cmd/serve.go new file mode 100644 index 0000000..d48fcfb --- /dev/null +++ b/cmd/serve.go @@ -0,0 +1,82 @@ +/* +Copyright © 2023 containeroo hello©containeroo.ch + +Licensed under the Apache License, Version 2.0 (the "License"); +you may not use this file except in compliance with the License. +You may obtain a copy of the License at + + http://www.apache.org/licenses/LICENSE-2.0 + +Unless required by applicable law or agreed to in writing, software +distributed under the License is distributed on an "AS IS" BASIS, +WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +See the License for the specific language governing permissions and +limitations under the License. +*/ +package cmd + +import ( + "fmt" + "os" + "strings" + "vimbin/internal/config" + "vimbin/internal/handlers" + "vimbin/internal/server" + "vimbin/internal/utils" + + "github.com/rs/zerolog/log" + + "github.com/spf13/cobra" +) + +// supportedThemes is a list of themes supported by the serve command. +var supportedThemes = []string{"auto", "light", "dark"} + +// serveCmd represents the serve command. +var serveCmd = &cobra.Command{ + Use: "serve", + Short: "Start the server", + Long: `Start a local web server featuring a textarea for creating, managing, and refining content. + All changes made in the textarea are persistently stored to a file, and users can navigate and + manipulate text using familiar Vim motions for an enhanced editing experience.`, + Run: func(cmd *cobra.Command, args []string) { + // Check if the specified theme is supported + if !utils.IsInList(config.App.Server.Web.Theme, supportedThemes) { + fmt.Printf("Unsupported output format: %s. Supported formats are: %s\n", config.App.Server.Web.Theme, strings.Join(supportedThemes, ", ")) + _ = cmd.Help() // Makes the linter happy + os.Exit(1) + } + + // Read the HTML template file + htmlTemplate, err := os.ReadFile("web/templates/index.html") + if err != nil { + panic(err) + } + config.App.HtmlTemplate = htmlTemplate + + // Parse the configuration + if err := config.App.Parse(); err != nil { + log.Fatal().Err(err) + } + + // Collect handlers and start the server + handlers.Collect() + server.Run(config.App.Server.Web.Address) + }, +} + +func init() { + // Add the serve command to the root command + rootCmd.AddCommand(serveCmd) + + // Define command-line flags for the serve command + serveCmd.PersistentFlags().StringVarP(&config.App.Server.Web.Address, "listen-address", "a", ":8080", "The address to listen on for HTTP requests.") + + serveCmd.PersistentFlags().StringVarP(&config.App.Server.Web.Theme, "theme", "t", "auto", fmt.Sprintf("The theme to use. Can be %s.", strings.Join(supportedThemes, "|"))) + serveCmd.RegisterFlagCompletionFunc("theme", func(cmd *cobra.Command, args []string, toComplete string) ([]string, cobra.ShellCompDirective) { + return supportedThemes, cobra.ShellCompDirectiveDefault + }) + + serveCmd.PersistentFlags().StringVarP(&config.App.Storage.Directory, "directory", "d", "$(pwd)", "The path to the storage directory. Defaults to the current working directory.") + serveCmd.PersistentFlags().StringVarP(&config.App.Storage.Name, "name", "n", ".vimbin", "The name of the file to save.") +} diff --git a/deploy/deployment.yaml b/deploy/deployment.yaml new file mode 100644 index 0000000..acf13e0 --- /dev/null +++ b/deploy/deployment.yaml @@ -0,0 +1,31 @@ +--- +apiVersion: apps/v1 +kind: Deployment +metadata: + name: vimbin +spec: + selector: + matchLabels: + app: vimbin + template: + metadata: + labels: + app: vimbin + spec: + containers: + - name: vimbin + image: ghcr.io/containeroo/vimbin:latest + ports: + - name: http + containerPort: 8080 + args: + - serve + - --listen-address=0.0.0.0:8080 + - --directory=/data + volumeMounts: + - name: data + mountPath: /data + resources: {} + volumes: + - name: data + emptyDir: {} diff --git a/deploy/ingress.yaml b/deploy/ingress.yaml new file mode 100644 index 0000000..715b88a --- /dev/null +++ b/deploy/ingress.yaml @@ -0,0 +1,19 @@ +--- +apiVersion: networking.k8s.io/v1 +kind: Ingress +metadata: + name: vimbin + labels: + app: vimbin +spec: + rules: + - host: vimbin.foo.com + http: + paths: + - path: / + pathType: Prefix + backend: + service: + name: vimbin + port: + name: vimbin diff --git a/deploy/service.yaml b/deploy/service.yaml new file mode 100644 index 0000000..d064c26 --- /dev/null +++ b/deploy/service.yaml @@ -0,0 +1,15 @@ +--- +apiVersion: v1 +kind: Service +metadata: + name: vimbin + labels: + app: vimbin +spec: + type: ClusterIP + ports: + - name: http + port: 8080 + targetPort: http + selector: + app: vimbin diff --git a/go.mod b/go.mod new file mode 100644 index 0000000..61c2d55 --- /dev/null +++ b/go.mod @@ -0,0 +1,38 @@ +module vimbin + +go 1.21.4 + +require ( + github.com/gorilla/mux v1.8.1 + github.com/mitchellh/mapstructure v1.5.0 + github.com/rs/zerolog v1.31.0 + github.com/spf13/cobra v1.8.0 + github.com/spf13/viper v1.18.0 + github.com/stretchr/testify v1.8.4 +) + +require ( + github.com/davecgh/go-spew v1.1.2-0.20180830191138-d8f796af33cc // indirect + github.com/fsnotify/fsnotify v1.7.0 // indirect + github.com/hashicorp/hcl v1.0.0 // indirect + github.com/inconshreveable/mousetrap v1.1.0 // indirect + github.com/magiconair/properties v1.8.7 // indirect + github.com/mattn/go-colorable v0.1.13 // indirect + github.com/mattn/go-isatty v0.0.19 // indirect + github.com/pelletier/go-toml/v2 v2.1.0 // indirect + github.com/pmezard/go-difflib v1.0.1-0.20181226105442-5d4384ee4fb2 // indirect + github.com/sagikazarmark/locafero v0.4.0 // indirect + github.com/sagikazarmark/slog-shim v0.1.0 // indirect + github.com/sourcegraph/conc v0.3.0 // indirect + github.com/spf13/afero v1.11.0 // indirect + github.com/spf13/cast v1.6.0 // indirect + github.com/spf13/pflag v1.0.5 // indirect + github.com/subosito/gotenv v1.6.0 // indirect + go.uber.org/atomic v1.9.0 // indirect + go.uber.org/multierr v1.9.0 // indirect + golang.org/x/exp v0.0.0-20230905200255-921286631fa9 // indirect + golang.org/x/sys v0.15.0 // indirect + golang.org/x/text v0.14.0 // indirect + gopkg.in/ini.v1 v1.67.0 // indirect + gopkg.in/yaml.v3 v3.0.1 // indirect +) diff --git a/go.sum b/go.sum new file mode 100644 index 0000000..7b6f96d --- /dev/null +++ b/go.sum @@ -0,0 +1,91 @@ +github.com/coreos/go-systemd/v22 v22.5.0/go.mod h1:Y58oyj3AT4RCenI/lSvhwexgC+NSVTIJ3seZv2GcEnc= +github.com/cpuguy83/go-md2man/v2 v2.0.3/go.mod h1:tgQtvFlXSQOSOSIRvRPT7W67SCa46tRHOmNcaadrF8o= +github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38= +github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38= +github.com/davecgh/go-spew v1.1.2-0.20180830191138-d8f796af33cc h1:U9qPSI2PIWSS1VwoXQT9A3Wy9MM3WgvqSxFWenqJduM= +github.com/davecgh/go-spew v1.1.2-0.20180830191138-d8f796af33cc/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38= +github.com/frankban/quicktest v1.14.6 h1:7Xjx+VpznH+oBnejlPUj8oUpdxnVs4f8XU8WnHkI4W8= +github.com/frankban/quicktest v1.14.6/go.mod h1:4ptaffx2x8+WTWXmUCuVU6aPUX1/Mz7zb5vbUoiM6w0= +github.com/fsnotify/fsnotify v1.7.0 h1:8JEhPFa5W2WU7YfeZzPNqzMP6Lwt7L2715Ggo0nosvA= +github.com/fsnotify/fsnotify v1.7.0/go.mod h1:40Bi/Hjc2AVfZrqy+aj+yEI+/bRxZnMJyTJwOpGvigM= +github.com/godbus/dbus/v5 v5.0.4/go.mod h1:xhWf0FNVPg57R7Z0UbKHbJfkEywrmjJnf7w5xrFpKfA= +github.com/google/go-cmp v0.5.9 h1:O2Tfq5qg4qc4AmwVlvv0oLiVAGB7enBSJ2x2DqQFi38= +github.com/google/go-cmp v0.5.9/go.mod h1:17dUlkBOakJ0+DkrSSNjCkIjxS6bF9zb3elmeNGIjoY= +github.com/gorilla/mux v1.8.1 h1:TuBL49tXwgrFYWhqrNgrUNEY92u81SPhu7sTdzQEiWY= +github.com/gorilla/mux v1.8.1/go.mod h1:AKf9I4AEqPTmMytcMc0KkNouC66V3BtZ4qD5fmWSiMQ= +github.com/hashicorp/hcl v1.0.0 h1:0Anlzjpi4vEasTeNFn2mLJgTSwt0+6sfsiTG8qcWGx4= +github.com/hashicorp/hcl v1.0.0/go.mod h1:E5yfLk+7swimpb2L/Alb/PJmXilQ/rhwaUYs4T20WEQ= +github.com/inconshreveable/mousetrap v1.1.0 h1:wN+x4NVGpMsO7ErUn/mUI3vEoE6Jt13X2s0bqwp9tc8= +github.com/inconshreveable/mousetrap v1.1.0/go.mod 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content file, +// and validating the hostname and port. +// +// Returns: +// - err: error +// An error if any of the configuration tasks fail. +func (c *Config) Parse() (err error) { + // Get the working directory + if c.Storage.Directory == "" || c.Storage.Directory == "$(pwd)" { + c.Storage.Directory, err = os.Getwd() + if err != nil { + return fmt.Errorf("Unable to get working directory: %s", err) + } + } + + // Expand environment variables in the storage directory + c.Storage.Directory = os.ExpandEnv(c.Storage.Directory) + + // Set the full path to the storage file + c.Storage.Path = path.Join(c.Storage.Directory, c.Storage.Name) + + // Check if the storage file is valid + if err := checkStorageFile(c.Storage.Path); err != nil { + return fmt.Errorf("Unable to check storage file: %s", err) + } + + // Read the content file + content, err := os.ReadFile(c.Storage.Path) + if err != nil { + return fmt.Errorf("Cannot read storage file. %s", err) + } + c.Storage.Content.Set(string(content)) + + // Check if Hostname and Port are valid + if _, _, err := utils.ExtractHostAndPort(c.Server.Web.Address); err != nil { + return fmt.Errorf("Unable to extract hostname and port: %s", err) + } + + return nil +} diff --git a/internal/config/parse_test.go b/internal/config/parse_test.go new file mode 100644 index 0000000..7eca81e --- /dev/null +++ b/internal/config/parse_test.go @@ -0,0 +1,57 @@ +package config + +import ( + "os" + "path" + "testing" +) + +// TestParse is a unit test for the Parse method. +func TestParse(t *testing.T) { + // Create a temporary directory for testing + tempDir := t.TempDir() + + // Create a temporary storage file for testing + tempStoragePath := path.Join(tempDir, "test_storage.txt") + err := os.WriteFile(tempStoragePath, []byte("test content"), 0644) + if err != nil { + t.Fatalf("Failed to create temporary storage file: %v", err) + } + + // Initialize Config with test values + cfg := &Config{ + Storage: Storage{ + Directory: tempDir, + Name: "test_storage.txt", + Path: tempStoragePath, + }, + Server: Server{ + Web: Web{ + Address: "localhost:8080", + }, + }, + } + + // Run the Parse method + err = cfg.Parse() + + // Check if there was an error + if err != nil { + t.Fatalf("Parse method returned an error: %v", err) + } + + // Add additional assertions as needed to validate the state of the Config struct + // For example, you can check if the working directory, storage path, content, etc., are set correctly. + + // Example assertion: Check if the working directory is set correctly + if cfg.Storage.Directory != tempDir { + t.Errorf("Working directory not set correctly. Expected: %s, Got: %s", tempDir, cfg.Storage.Directory) + } + + // Example assertion: Check if the storage path is set correctly + if cfg.Storage.Path != tempStoragePath { + t.Errorf("Storage path not set correctly. Expected: %s, Got: %s", tempStoragePath, cfg.Storage.Path) + } + + // Add more assertions based on your specific requirements +} diff --git a/internal/config/read.go b/internal/config/read.go new file mode 100644 index 0000000..85d9153 --- /dev/null +++ b/internal/config/read.go @@ -0,0 +1,36 @@ +package config + +import ( + "fmt" + + "github.com/mitchellh/mapstructure" + "github.com/spf13/viper" +) + +// Read reads the configuration settings from a specified config file. +// +// This method uses Viper to read and unmarshal the configuration from the provided file path. +// +// Parameters: +// - configPath: string +// The file path to the configuration file. +// +// Returns: +// - error +// An error if reading or unmarshalling the configuration fails. +func (c *Config) Read(configPath string) error { + // Set the Viper config file path + viper.SetConfigFile(configPath) + + // Read the config file + if err := viper.ReadInConfig(); err != nil { + return fmt.Errorf("Failed to read config file: %v", err) + } + + // Unmarshal the config into the Config struct + if err := viper.Unmarshal(c, func(d *mapstructure.DecoderConfig) { d.ZeroFields = true }); err != nil { + return fmt.Errorf("Failed to unmarshal config file: %v", err) + } + + return nil +} diff --git a/internal/config/read_test.go b/internal/config/read_test.go new file mode 100644 index 0000000..c474d94 --- /dev/null +++ b/internal/config/read_test.go @@ -0,0 +1,73 @@ +package config + +import ( + "fmt" + "os" + "testing" + + "github.com/stretchr/testify/assert" +) + +func TestReadConfig(t *testing.T) { + // CreateTempFile creates a temporary file with the given content and returns a pointer to it. + createTempFile := func(content string) (*os.File, error) { + tmpfile, err := os.CreateTemp("", "example.*.yaml") + if err != nil { + return nil, fmt.Errorf("Failed to create temp file: %v", err) + } + + if _, err := tmpfile.Write([]byte(content)); err != nil { + return nil, fmt.Errorf("Failed to write to temp file: %v", err) + } + + if err := tmpfile.Close(); err != nil { + return nil, fmt.Errorf("Failed to close temp file: %v", err) + } + + return tmpfile, nil + } + + t.Run("Valid configuration", func(t *testing.T) { + content := ` +server: + api: + skipInsecureVerify: "true" +` + filePath, err := createTempFile(content) + if err != nil { + t.Fatalf("Failed to create temp file: %v", err) + } + defer os.Remove(filePath.Name()) + + config := &Config{} + err = config.Read(filePath.Name()) + assert.NoError(t, err) + assert.Equal(t, true, config.Server.Api.SkipInsecureVerify) + }) + + // Test reading a non-existent file + t.Run("Invalid file path", func(t *testing.T) { + config := &Config{} + err := config.Read("path/to/non_existent.yaml") + assert.Error(t, err) + }) + + t.Run("Invalid YAML", func(t *testing.T) { + content := ` +server: + api: + skipInsecureVerify: not_a_boolean +` + filePath, err := createTempFile(content) + if err != nil { + t.Fatalf("Failed to create temp file: %v", err) + } + defer os.Remove(filePath.Name()) + + // Run the test + cfg := &Config{} + err = cfg.Read(filePath.Name()) + assert.Error(t, err) // We expect an error because the file has incorrect content + assert.Contains(t, err.Error(), "Failed to unmarshal config file: 1 error(s) decoding:\n\n* cannot parse 'Server.Api.SkipInsecureVerify' as bool: strconv.ParseBool: parsing \"not_a_boolean\": invalid syntax") + }) +} diff --git a/internal/config/structs.go b/internal/config/structs.go new file mode 100644 index 0000000..db942e1 --- /dev/null +++ b/internal/config/structs.go @@ -0,0 +1,77 @@ +package config + +import "sync" + +// App is the global configuration instance. +var App Config + +// Config represents the application configuration. +type Config struct { + HtmlTemplate []byte `yaml:"-"` // HtmlTemplate contains the HTML template content. + Server Server `yaml:"server"` // Server represents the server configuration. + Storage Storage `yaml:"storage"` // Storage represents the storage configuration. +} + +// Web represents the web configuration. +type Web struct { + Theme string `yaml:"server"` // Theme is the theme to use for the web interface. + Address string `yaml:"address"` // Address is the address to listen on for HTTP requests. +} + +type Api struct { + SkipInsecureVerify bool `yaml:"skipInsecureVerify"` // SkipInsecureVerify skips the verification of TLS certificates. + Address string `yaml:"address"` // Address is the address to push/fetch content from. +} + +// Server represents the server configuration. +type Server struct { + Web Web `yaml:"web"` // Web represents the web configuration. + Api Api `yaml:"api"` // Api represents the api configuration. +} + +// Storage represents the storage configuration. +type Storage struct { + Name string `yaml:"name"` // Name is the name of the storage file. + Directory string `yaml:"directory"` // Directory is the directory path for storage file. + Path string `yaml:"-"` // Path is the full path to the storage file. + Content Content `yaml:"-"` // Content represents the content stored in the storage file. +} + +// Content represents the content stored in the storage with thread-safe methods. +type Content struct { + text string `yaml:"-"` // text is the stored content. + mutext sync.RWMutex `yaml:"-"` // mutext is a read-write mutex for concurrent access control. +} + +// Set sets the content to the specified text. +// +// Parameters: +// - text: string +// The text to set as the content. +func (c *Content) Set(text string) { + c.mutext.Lock() + defer c.mutext.Unlock() + c.text = text +} + +// Get retrieves the current content. +// +// Returns: +// - string +// The current content. +func (c *Content) Get() string { + c.mutext.RLock() + defer c.mutext.RUnlock() + return c.text +} + +// Append appends the specified text to the current content. +// +// Parameters: +// - text: string +// The text to append to the current content. +func (c *Content) Append(text string) { + c.mutext.Lock() + defer c.mutext.Unlock() + c.text += text +} diff --git a/internal/config/utils.go b/internal/config/utils.go new file mode 100644 index 0000000..581d909 --- /dev/null +++ b/internal/config/utils.go @@ -0,0 +1,60 @@ +package config + +import ( + "fmt" + "os" + + "github.com/rs/zerolog/log" +) + +// filePermission represents the default file permission used in the application. +const filePermission = 0644 + +// defaultExample is the default content example used when creating the storage file. +const defaultExample = ` +#include "syscalls.h" +/* getchar: simple buffered version */ +int getchar(void) +{ + static char buf[BUFSIZ]; + static char *bufp = buf; + static int n = 0; + if (n == 0) { /* buffer is empty */ + n = read(0, buf, sizeof buf); + bufp = buf; +} +return (--n >= 0) ? (unsigned char) *bufp++ : EOF; +} +` + +// checkStorageFile checks if the storage file exists; if not, it creates it with default content. +// +// Parameters: +// - filePath: string +// The path to the storage file. +// +// Returns: +// - error +// An error if unable to check or create the storage file. +func checkStorageFile(filePath string) error { + // Open the file to check if it exists + _, err := os.Stat(filePath) + if err != nil { + // If the file doesn't exist, create it with default content + log.Debug().Msg("Storage file not found; creating it with default content") + example := []byte(defaultExample) + + if err := os.WriteFile(filePath, example, filePermission); err != nil { + return fmt.Errorf("Unable to create storage file: %s", err) + } + } + + // Try to open file + f, err := os.OpenFile(filePath, os.O_RDWR, filePermission) + if err != nil { + return fmt.Errorf("Unable to open storage file: %s", err) + } + defer f.Close() + + return nil +} diff --git a/internal/config/utils_test.go b/internal/config/utils_test.go new file mode 100644 index 0000000..cb85473 --- /dev/null +++ b/internal/config/utils_test.go @@ -0,0 +1,62 @@ +package config + +import ( + "os" + "testing" + + "github.com/stretchr/testify/assert" +) + +func TestCheckStorageFile(t *testing.T) { + t.Run("File does not exist, create with default content", func(t *testing.T) { + tempDir := t.TempDir() + filePath := tempDir + "/test_storage.txt" + + err := checkStorageFile(filePath) + assert.NoError(t, err) + + // Check if the file was created with default content + content, err := os.ReadFile(filePath) + assert.NoError(t, err) + assert.Equal(t, defaultExample, string(content)) + }) + + t.Run("File already exists, no modification", func(t *testing.T) { + tempDir := t.TempDir() + filePath := tempDir + "/test_storage.txt" + + // Create a file with some content + existingContent := []byte("existing content") + err := os.WriteFile(filePath, existingContent, filePermission) + assert.NoError(t, err) + + err = checkStorageFile(filePath) + assert.NoError(t, err) + + // Check if the existing file content is not modified + content, err := os.ReadFile(filePath) + assert.NoError(t, err) + assert.Equal(t, existingContent, content) + }) + + t.Run("Unable to open file for checking", func(t *testing.T) { + // Create a directory with the same name as the file + tempDir := t.TempDir() + filePath := tempDir + "/test_storage" + + err := os.Mkdir(filePath, 0755) + assert.NoError(t, err) + + err = checkStorageFile(filePath) + assert.Error(t, err) + assert.Contains(t, err.Error(), "Unable to open storage file") + }) + + t.Run("Invalid file path", func(t *testing.T) { + filePath := "/non_existent_path/test_storage.txt" + + err := checkStorageFile(filePath) + assert.Error(t, err) + assert.Equal(t, err.Error(), "Unable to create storage file: open /non_existent_path/test_storage.txt: no such file or directory") + }) +} diff --git a/internal/handlers/append.go b/internal/handlers/append.go new file mode 100644 index 0000000..4ab8710 --- /dev/null +++ b/internal/handlers/append.go @@ -0,0 +1,65 @@ +package handlers + +import ( + "io" + "net/http" + "os" + "vimbin/internal/config" + "vimbin/internal/server" + + "github.com/rs/zerolog/log" +) + +func init() { + server.Register("/append", Append, "Append content to storage file", "POST") +} + +// Append handles HTTP requests for appending content to a file. +// +// This function creates and injects specific functions for appending content, +// checking if content has changed, merging old and new content, and updating +// content in storage. It then calls the handleContentRequest function to process +// the HTTP request. +// +// Parameters: +// - w: http.ResponseWriter +// The HTTP response writer. +// - r: *http.Request +// The HTTP request being processed. +func Append(w http.ResponseWriter, r *http.Request) { + // Define a function for appending content to a file + writeFileFunc := func(filePath, content string) error { + file, err := os.OpenFile(filePath, os.O_APPEND|os.O_CREATE|os.O_WRONLY, filePermission) + if err != nil { + return err + } + defer file.Close() + + log.Trace().Msgf("Writing content to file '%s': %s", filePath, content) + + _, err = io.WriteString(file, content+"\n") + return err + } + + // Define a function to check if content has changed + hasContentChangedFunc := func(oldContent, newContent string) bool { + hasContentChanged := (oldContent + newContent) != oldContent + log.Trace().Msgf("Has content changed? %t", hasContentChanged) + + return hasContentChanged + } + + // Define a function to merge old and new content + mergeContentFunc := func(oldContent, newContent string) string { + mergedContent := oldContent + newContent + log.Trace().Msgf("Merging content: %s", mergedContent) + + return mergedContent + } + + // Define a function for updating content in storage + saveContentFunc := (*config.Content).Append + + // Process the HTTP request using the defined functions + handleContentRequest(w, r, writeFileFunc, hasContentChangedFunc, mergeContentFunc, saveContentFunc) +} diff --git a/internal/handlers/fetch.go b/internal/handlers/fetch.go new file mode 100644 index 0000000..5be29eb --- /dev/null +++ b/internal/handlers/fetch.go @@ -0,0 +1,44 @@ +package handlers + +import ( + "net/http" + "vimbin/internal/config" + "vimbin/internal/server" + + "github.com/rs/zerolog/log" +) + +func init() { + server.Register("/fetch", Fetch, "Fetch content from storage file", "GET") +} + +// Fetch handles HTTP requests for fetching content. +// +// This function logs the incoming request and retrieves content from storage. +// If content is present, it sets the appropriate HTTP headers and writes +// the content to the response. If no content is found, it returns a +// HTTP status code of No Content. +// +// Parameters: +// - w: http.ResponseWriter +// The HTTP response writer. +// - r: *http.Request +// The HTTP request being processed. +func Fetch(w http.ResponseWriter, r *http.Request) { + LogRequest(r) + + w.Header().Set("Content-Type", "application/text") + + content := config.App.Storage.Content.Get() + if len(content) == 0 { + w.WriteHeader(http.StatusNoContent) + return + } + + contentBytes := []byte(content) + if _, err := w.Write(contentBytes); err != nil { + log.Error().Err(err) + w.WriteHeader(http.StatusInternalServerError) + return + } +} diff --git a/internal/handlers/home.go b/internal/handlers/home.go new file mode 100644 index 0000000..4199ab0 --- /dev/null +++ b/internal/handlers/home.go @@ -0,0 +1,43 @@ +package handlers + +import ( + "html/template" + "net/http" + "vimbin/internal/config" + "vimbin/internal/server" +) + +func init() { + server.Register("/", Home, "Home site with editor", "GET") +} + +// Home handles HTTP requests for the home page. +// +// This function logs the incoming request, retrieves content from storage, +// and renders the home page using an HTML template. It sets the page title +// and content based on the retrieved information from the storage. +// +// Parameters: +// - w: http.ResponseWriter +// The HTTP response writer. +// - r: *http.Request +// The HTTP request being processed. +func Home(w http.ResponseWriter, r *http.Request) { + LogRequest(r) + + page := Page{ + Title: "vimbin - a pastebin with vim motion", + Content: config.App.Storage.Content.Get(), + } + + tmpl, err := template.New("index").Parse(string(config.App.HtmlTemplate)) + if err != nil { + http.Error(w, err.Error(), http.StatusInternalServerError) + return + } + + err = tmpl.Execute(w, page) + if err != nil { + http.Error(w, err.Error(), http.StatusInternalServerError) + } +} diff --git a/internal/handlers/save.go b/internal/handlers/save.go new file mode 100644 index 0000000..a560426 --- /dev/null +++ b/internal/handlers/save.go @@ -0,0 +1,57 @@ +package handlers + +import ( + "net/http" + "os" + "vimbin/internal/config" + "vimbin/internal/server" + + "github.com/rs/zerolog/log" +) + +func init() { + server.Register("/save", Save, "Save content to storage file", "POST") +} + +// Save handles HTTP requests for saving content to a file. +// +// This function creates and injects specific functions for saving content, +// checking if content has changed, merging old and new content, and updating +// content in storage. It then calls the handleContentRequest function to process +// the HTTP request. +// +// Parameters: +// - w: http.ResponseWriter +// The HTTP response writer. +// - r: *http.Request +// The HTTP request be processed. +func Save(w http.ResponseWriter, r *http.Request) { + // Define a function for saving content to a file + writeFileFunc := func(filePath, content string) error { + log.Trace().Msgf("Writing content to file '%s': %s", filePath, content) + + return os.WriteFile(filePath, []byte(content), filePermission) + } + + // Define a function to check if content has changed + hasContentChangedFunc := func(oldContent, newContent string) bool { + hasContentChanged := oldContent != newContent + log.Trace().Msgf("Has content changed? %t", hasContentChanged) + + return hasContentChanged + } + + // Define a function to merge old and new content + mergeContentFunc := func(oldContent, newContent string) string { + meredContent := newContent + log.Trace().Msgf("Merging content: %s", meredContent) + + return meredContent + } + + // Define a function for updating content in storage + saveContentFunc := (*config.Content).Set + + // Process the HTTP request using the defined functions + handleContentRequest(w, r, writeFileFunc, hasContentChangedFunc, mergeContentFunc, saveContentFunc) +} diff --git a/internal/handlers/structs.go b/internal/handlers/structs.go new file mode 100644 index 0000000..55f13b4 --- /dev/null +++ b/internal/handlers/structs.go @@ -0,0 +1,10 @@ +package handlers + +// Page represents the data structure that will be passed to the HTML template. +// +// This struct holds information about the title and content of a page, which can be +// utilized by the HTML template to render dynamic content. +type Page struct { + Title string // Title is the title of the page. + Content string // Content is the content of the page. +} diff --git a/internal/handlers/utils.go b/internal/handlers/utils.go new file mode 100644 index 0000000..6864fc3 --- /dev/null +++ b/internal/handlers/utils.go @@ -0,0 +1,165 @@ +package handlers + +import ( + "encoding/json" + "fmt" + "net/http" + "strconv" + "strings" + "vimbin/internal/config" + + "github.com/rs/zerolog" + "github.com/rs/zerolog/log" +) + +// Collect gathers and initializes the HTTP handlers. +// +// This function triggers the initialization functions from other files, +// populating the Handlers slice in the server package with the registered +// routes and their corresponding handler functions. It should be called +// before starting the HTTP server to ensure all handlers are registered. +func Collect() {} + +// filePermission represents the default file permission used in the application. +const filePermission = 0644 + +// LogRequest logs the details of an HTTP request. +// +// Parameters: +// - req: *http.Request +// The HTTP request to log. +func LogRequest(req *http.Request) { + if log.Logger.GetLevel() != zerolog.TraceLevel { + return + } + + query := strings.Map(func(r rune) rune { + switch r { + case '\n', '\r': // Remove newlines and carriage returns from the query string + return -1 + case ' ': // Replace spaces with a single space + return -1 + default: // Leave all other characters as-is + return r + } + }, req.URL.RawQuery) + + log.Trace().Msgf("%s %s%s", req.Method, req.RequestURI, query) +} + +// handleContentRequest handles HTTP requests for updating content. +// +// This function processes an HTTP request, decodes the JSON body, compares +// the new content to the old content, and performs the necessary actions +// based on the provided functions. It logs the request, checks for changes +// in content, writes content to a file, updates content in storage, and +// responds with appropriate JSON status messages. +// +// Parameters: +// - w: http.ResponseWriter +// The HTTP response writer. +// - r: *http.Request +// The HTTP request being processed. +// - writeFileFunc: func(string, string) error +// Function for writing content to a file. +// - hasContentChangedFunc: func(string, string) bool +// Function to check if content has changed. +// - mergeContentFunc: func(string, string) string +// Function to merge old and new content. +// - saveContentFunc: func(*config.Content, string) +// Function for updating content in storage. +// +// Note: The provided functions are injected for flexibility and can be customized +// based on specific requirements. +func handleContentRequest( + w http.ResponseWriter, + r *http.Request, + writeFileFunc func(string, string) error, + hasContentChangedFunc func(string, string) bool, + mergeContentFunc func(string, string) string, + saveContentFunc func(*config.Content, string), +) { + LogRequest(r) + + // Parse JSON request body + var requestData map[string]string + if err := json.NewDecoder(r.Body).Decode(&requestData); err != nil { + msg := fmt.Sprintf("Error decoding JSON: %v", err) + log.Error().Msg(msg) + http.Error(w, msg, http.StatusBadRequest) + return + } + + oldContent := config.App.Storage.Content.Get() + + newContent, ok := requestData["content"] + if !ok { + msg := "Missing 'content' field in JSON" + log.Error().Msg(msg) + http.Error(w, msg, http.StatusBadRequest) + return + } + + // Compare the new content to the old content + if !hasContentChangedFunc(oldContent, newContent) { + // Respond with JSON indicating no changes were made + w.Header().Set("Content-Type", "application/json") + response := map[string]string{"status": "no changes"} + + jsonResponse, err := json.Marshal(response) + if err != nil { + msg := fmt.Sprintf("Error marshalling response: %v", err) + log.Error().Msg(msg) + http.Error(w, msg, http.StatusInternalServerError) + return + } + + if _, err := w.Write(jsonResponse); err != nil { + msg := fmt.Sprintf("Error writing response: %v", err) + log.Error().Msg(msg) + http.Error(w, msg, http.StatusInternalServerError) + return + } + + return + } + + newContent = mergeContentFunc(oldContent, newContent) // Use the provided function to append or save the new content + + log.Trace().Msgf("Got new content: %s", newContent) + + // Use the provided function for writing to a file + if err := writeFileFunc(config.App.Storage.Path, newContent); err != nil { + msg := fmt.Sprintf("Error writing file: %v", err) + log.Error().Msg(msg) + http.Error(w, msg, http.StatusInternalServerError) + return + } + + // Use the provided function for updating the content in storage + saveContentFunc(&config.App.Storage.Content, newContent) + + size := strconv.Itoa(len(newContent)) + log.Debug().Msgf("Wrote %s bytes to file '%s'", size, config.App.Storage.Path) + + // Set the X-Bytes-Written header with the number of bytes written + w.Header().Set("X-Bytes-Written", size) + + // Respond with JSON indicating success + response := map[string]string{"status": "success"} + jsonResponse, err := json.Marshal(response) + if err != nil { + msg := fmt.Sprintf("Error marshalling response: %v", err) + log.Error().Msg(msg) + http.Error(w, msg, http.StatusInternalServerError) + return + } + + w.Header().Set("Content-Type", "application/json") + if _, err := w.Write(jsonResponse); err != nil { + msg := fmt.Sprintf("Error writing response: %v", err) + log.Error().Msg(msg) + w.WriteHeader(http.StatusInternalServerError) + return + } +} diff --git a/internal/server/register.go b/internal/server/register.go new file mode 100644 index 0000000..af197ca --- /dev/null +++ b/internal/server/register.go @@ -0,0 +1,39 @@ +package server + +import "net/http" + +// Handler is a struct that contains a route and a handler function. +type Handler struct { + Path string // Path is the URL route for the handler. + Handler func(http.ResponseWriter, *http.Request) // Handler is the function that handles HTTP requests for the route. + Description string // Description provides a brief explanation of the handler's purpose. + Methods []string // Methods is a list of HTTP methods supported by the handler. +} + +// Handlers is a slice of Handler objects. +var Handlers = []Handler{} + +// Register registers a handler function for a specific HTTP route. +// +// This function is used to register custom HTTP handlers along with their associated +// routes, descriptions, and supported HTTP methods. The registered handlers are later +// added to the router used by the HTTP server. +// +// Parameters: +// - path: string +// The URL route for the handler. +// - h: func(http.ResponseWriter, *http.Request) +// The function that handles HTTP requests for the route. +// - description: string +// A brief explanation of the handler's purpose. +// - methods: ...string +// Optional list of HTTP methods supported by the handler. +func Register(path string, h func(http.ResponseWriter, *http.Request), description string, methods ...string) { + Handlers = append(Handlers, + Handler{ + Path: path, + Description: description, + Handler: h, + Methods: methods, + }) +} diff --git a/internal/server/register_test.go b/internal/server/register_test.go new file mode 100644 index 0000000..877ef76 --- /dev/null +++ b/internal/server/register_test.go @@ -0,0 +1,79 @@ +package server + +import ( + "net/http" + "reflect" + "testing" + + "github.com/stretchr/testify/assert" +) + +func TestRegister(t *testing.T) { + t.Run("Register a handler without specified methods", func(t *testing.T) { + // Clear existing handlers + Handlers = nil + + path := "/example" + description := "Example handler description" + handlerFunc := func(http.ResponseWriter, *http.Request) {} + + Register(path, handlerFunc, description) + + // Check if the handler is registered correctly + assert.Len(t, Handlers, 1) + assert.Equal(t, path, Handlers[0].Path) + assert.Equal(t, description, Handlers[0].Description) + assert.Equal(t, reflect.ValueOf(handlerFunc).Pointer(), reflect.ValueOf(Handlers[0].Handler).Pointer()) + assert.Empty(t, Handlers[0].Methods) + }) + + t.Run("Register a handler with specified methods", func(t *testing.T) { + // Clear existing handlers + Handlers = nil + + path := "/example" + description := "Example handler description" + handlerFunc := func(http.ResponseWriter, *http.Request) {} + methods := []string{"GET", "POST"} + + Register(path, handlerFunc, description, methods...) + + // Check if the handler is registered correctly + assert.Len(t, Handlers, 1) + assert.Equal(t, path, Handlers[0].Path) + assert.Equal(t, description, Handlers[0].Description) + assert.Equal(t, reflect.ValueOf(handlerFunc).Pointer(), reflect.ValueOf(Handlers[0].Handler).Pointer()) + assert.Equal(t, methods, Handlers[0].Methods) + }) + + t.Run("Register multiple handlers", func(t *testing.T) { + // Clear existing handlers + Handlers = nil + + path1 := "/example1" + description1 := "Example handler 1 description" + handlerFunc1 := func(http.ResponseWriter, *http.Request) {} + methods1 := []string{"GET"} + + path2 := "/example2" + description2 := "Example handler 2 description" + handlerFunc2 := func(http.ResponseWriter, *http.Request) {} + methods2 := []string{"POST"} + + Register(path1, handlerFunc1, description1, methods1...) + Register(path2, handlerFunc2, description2, methods2...) + + // Check if both handlers are registered correctly + assert.Len(t, Handlers, 2) + + assert.Equal(t, path1, Handlers[0].Path) + assert.Equal(t, description1, Handlers[0].Description) + assert.Equal(t, reflect.ValueOf(handlerFunc1).Pointer(), reflect.ValueOf(Handlers[0].Handler).Pointer()) + assert.Equal(t, methods1, Handlers[0].Methods) + + assert.Equal(t, path2, Handlers[1].Path) + assert.Equal(t, description2, Handlers[1].Description) + assert.Equal(t, reflect.ValueOf(handlerFunc2).Pointer(), reflect.ValueOf(Handlers[1].Handler).Pointer()) + assert.Equal(t, methods2, Handlers[1].Methods) + }) +} diff --git a/internal/server/server.go b/internal/server/server.go new file mode 100644 index 0000000..f30b30b --- /dev/null +++ b/internal/server/server.go @@ -0,0 +1,119 @@ +package server + +import ( + "context" + "embed" + "io/fs" + "net/http" + "os" + "os/signal" + "syscall" + "time" + + "github.com/gorilla/mux" + "github.com/rs/zerolog/log" +) + +var StaticFS embed.FS + +// Run starts the HTTP server. +// +// Parameters: +// - listenAddress: string +// The address on which the server should listen (e.g., ":8080"). +func Run(listenAddress string) { + // Use a buffered channel for runChan to prevent signal drops + runChan := make(chan os.Signal, 1) + signal.Notify(runChan, os.Interrupt, syscall.SIGTERM) + + // Create a cancelable context for graceful shutdown + ctx, cancel := context.WithCancel(context.Background()) + defer cancel() + + // Create the router and configure routes + router := newRouter() + + // Create the HTTP server + server := &http.Server{ + Addr: listenAddress, + Handler: router, + ReadTimeout: 15 * time.Second, + WriteTimeout: 10 * time.Second, + IdleTimeout: 5 * time.Second, + } + + // Run the server in a new goroutine + go func() { + log.Info().Msgf("Server is starting on %s", server.Addr) + if err := server.ListenAndServe(); err != nil && err != http.ErrServerClosed { + log.Fatal().Msgf("Server failed to start: %v", err) + } + }() + + // Wait for signals + sig := <-runChan + log.Info().Msgf("Received signal: %v. Shutting down gracefully...", sig) + cancel() // Cancel context to trigger graceful shutdown + // Force shutdown after 10 seconds + time.AfterFunc(10*time.Second, func() { + log.Fatal().Msg("Timed out waiting for server to shut down") + }) + + // Shutdown the server and wait for it to finish + if err := server.Shutdown(ctx); err != nil { + log.Error().Msgf("Error during server shutdown: %v", err) + } + + log.Info().Msg("Server gracefully shut down") +} + +// newRouter generates the router used in the HTTP Server. +// +// Returns: +// - *mux.Router +// A configured instance of the Gorilla Mux router. +func newRouter() *mux.Router { + router := mux.NewRouter() + + // Handler for embed static files + fsys := fs.FS(StaticFS) + contentStatic, _ := fs.Sub(fsys, "web/static") + fs := http.FileServer(http.FS(contentStatic)) + s := http.StripPrefix("/static/", fs) + router.PathPrefix("/static/").Handler(s) + + // Add the handlers to the router + for _, h := range Handlers { + router.HandleFunc(h.Path, h.Handler).Methods(h.Methods...) + } + + // Custom 404 handler + router.NotFoundHandler = http.HandlerFunc(notFoundHandler) + + return router +} + +// notFoundHandler handles 404 responses. +// +// Parameters: +// - w: http.ResponseWriter +// The HTTP response writer. +// - r: *http.Request +// The HTTP request being processed. +func notFoundHandler(w http.ResponseWriter, r *http.Request) { + w.WriteHeader(http.StatusNotFound) + body := ` + + + 404 Not Found + + +

404 Not Found

+

The page you requested could not be found.

+ + + ` + if _, err := w.Write([]byte(body)); err != nil { + log.Error().Msgf("Error writing 404 response: %v", err) + } +} diff --git a/internal/server/server_test.go b/internal/server/server_test.go new file mode 100644 index 0000000..e8e27b7 --- /dev/null +++ b/internal/server/server_test.go @@ -0,0 +1,80 @@ +package server + +import ( + "net/http" + "net/http/httptest" + "os" + "syscall" + "testing" + "time" + + "github.com/stretchr/testify/assert" +) + +func TestRun(t *testing.T) { + t.Run("Run server and stop gracefully on SIGTERM", func(t *testing.T) { + // Use a random port for testing + testPort := "127.0.0.1:0" + + // Run the server in a goroutine + go Run(testPort) + + // Allow some time for the server to start + time.Sleep(500 * time.Millisecond) + + // Send SIGTERM to stop the server gracefully + stopServerGracefully() + + // Allow some time for the server to shut down + time.Sleep(500 * time.Millisecond) + }) +} + +// stopServerGracefully stops the server gracefully by sending SIGTERM. +func stopServerGracefully() { + // Find the server process + process, err := os.FindProcess(os.Getpid()) + if err != nil { + panic(err) + } + + // Send SIGTERM to stop the server gracefully + err = process.Signal(syscall.SIGTERM) + if err != nil { + panic(err) + } +} + +func TestNewRouter(t *testing.T) { + t.Run("Router configuration", func(t *testing.T) { + // Set up a router + Handlers = []Handler{ + { + Path: "/example", + Description: "Example handler description", + Handler: func(r http.ResponseWriter, w *http.Request) { + r.Write([]byte("Test file content")) + r.Header().Set("Content-Type", "text/plain") + r.WriteHeader(http.StatusOK) + }, + Methods: []string{"GET"}, + }, + } + + router := newRouter() + + // Create a test request + req := httptest.NewRequest("GET", "/example", nil) + w := httptest.NewRecorder() + + // Serve the request using the router + router.ServeHTTP(w, req) + + // Check if the request is handled correctly + assert.Equal(t, http.StatusOK, w.Code) + assert.Contains(t, w.Body.String(), "Test file content") + + // Cleanup: clear the Handlers slice + Handlers = nil + }) +} diff --git a/internal/utils/utils.go b/internal/utils/utils.go new file mode 100644 index 0000000..3bac373 --- /dev/null +++ b/internal/utils/utils.go @@ -0,0 +1,82 @@ +package utils + +import ( + "crypto/tls" + "net" + "net/http" + "strconv" +) + +// IsInList checks if a value is in a list. +// +// Parameters: +// - value: string +// The value to check for in the list. +// - list: []string +// The list of strings to check against. +// +// Returns: +// - bool +// True if the value is found in the list, false otherwise. +func IsInList(value string, list []string) bool { + for _, v := range list { + if value == v { + return true + } + } + + return false +} + +// ExtractHostAndPort extracts the hostname and port from the listen address. +// +// Parameters: +// - address: string +// The listen address in the format "host:port". +// +// Returns: +// - string +// The extracted hostname. +// - int +// The extracted port. +// - error +// An error if the extraction process fails. +func ExtractHostAndPort(address string) (string, int, error) { + host, portStr, err := net.SplitHostPort(address) + if err != nil { + return "", 0, err + } + + port, err := strconv.Atoi(portStr) + if err != nil { + return "", 0, err + } + + return host, port, nil +} + +// CreateHTTPClient creates an HTTP client with optional insecure skip verify. +// +// Parameters: +// - insecureSkipVerify: bool +// If true, the client is created with InsecureSkipVerify for TLS, allowing connections to servers +// with self-signed certificates or certificates that cannot be verified. Use with caution. +// +// Returns: +// - *http.Client +// An HTTP client configured based on the insecureSkipVerify parameter. +func CreateHTTPClient(insecureSkipVerify bool) *http.Client { + var httpClient *http.Client + + // Configure the client with InsecureSkipVerify if needed + if insecureSkipVerify { + tr := &http.Transport{ + TLSClientConfig: &tls.Config{InsecureSkipVerify: true}, + } + httpClient = &http.Client{Transport: tr} + } else { + httpClient = &http.Client{} + } + + return httpClient +} diff --git a/internal/utils/utils_test.go b/internal/utils/utils_test.go new file mode 100644 index 0000000..fd58f6c --- /dev/null +++ b/internal/utils/utils_test.go @@ -0,0 +1,81 @@ +package utils + +import ( + "net/http" + "testing" + + "github.com/stretchr/testify/assert" +) + +func TestIsInList(t *testing.T) { + t.Run("Value is in the list", func(t *testing.T) { + value := "apple" + list := []string{"banana", "apple", "orange"} + + result := IsInList(value, list) + + assert.True(t, result) + }) + + t.Run("Value is not in the list", func(t *testing.T) { + value := "grape" + list := []string{"banana", "apple", "orange"} + + result := IsInList(value, list) + + assert.False(t, result) + }) + + t.Run("Empty list", func(t *testing.T) { + value := "grape" + var list []string + + result := IsInList(value, list) + + assert.False(t, result) + }) +} + +func TestExtractHostAndPort(t *testing.T) { + t.Run("Valid address", func(t *testing.T) { + address := "localhost:8080" + + host, port, err := ExtractHostAndPort(address) + + assert.NoError(t, err) + assert.Equal(t, "localhost", host) + assert.Equal(t, 8080, port) + }) + + t.Run("Invalid address", func(t *testing.T) { + address := "invalid" + + _, _, err := ExtractHostAndPort(address) + + assert.Error(t, err) + }) + + t.Run("Invalid port", func(t *testing.T) { + address := "localhost:invalid" + + _, _, err := ExtractHostAndPort(address) + + assert.Error(t, err) + }) +} + +func TestCreateHTTPClient(t *testing.T) { + t.Run("Create HTTP client without insecure skip verify", func(t *testing.T) { + client := CreateHTTPClient(false) + + assert.NotNil(t, client) + assert.Nil(t, client.Transport) + }) + + t.Run("Create HTTP client with insecure skip verify", func(t *testing.T) { + client := CreateHTTPClient(true) + + assert.NotNil(t, client) + assert.True(t, client.Transport.(*http.Transport).TLSClientConfig.InsecureSkipVerify) + }) +} diff --git a/main.go b/main.go new file mode 100644 index 0000000..de0aa25 --- /dev/null +++ b/main.go @@ -0,0 +1,30 @@ +/* +Copyright © 2023 containeroo hello©containeroo.ch + +Licensed under the Apache License, Version 2.0 (the "License"); +you may not use this file except in compliance with the License. +You may obtain a copy of the License at + + http://www.apache.org/licenses/LICENSE-2.0 + +Unless required by applicable law or agreed to in writing, software +distributed under the License is distributed on an "AS IS" BASIS, +WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +See the License for the specific language governing permissions and +limitations under the License. +*/ +package main + +import ( + "embed" + "vimbin/cmd" + "vimbin/internal/server" +) + +//go:embed web +var staticFs embed.FS + +func main() { + server.StaticFS = staticFs // Set the static file system for the server + cmd.Execute() +} diff --git a/web/static/css/addon/dialog/dialog.css b/web/static/css/addon/dialog/dialog.css new file mode 100644 index 0000000..677c078 --- /dev/null +++ b/web/static/css/addon/dialog/dialog.css @@ -0,0 +1,32 @@ +.CodeMirror-dialog { + position: absolute; + left: 0; right: 0; + background: inherit; + z-index: 15; + padding: .1em .8em; + overflow: hidden; + color: inherit; +} + +.CodeMirror-dialog-top { + border-bottom: 1px solid #eee; + top: 0; +} + +.CodeMirror-dialog-bottom { + border-top: 1px solid #eee; + bottom: 0; +} + +.CodeMirror-dialog input { + border: none; + outline: none; + background: transparent; + width: 20em; + color: inherit; + font-family: monospace; +} + +.CodeMirror-dialog button { + font-size: 70%; +} diff --git a/web/static/css/lib/codemirror.css b/web/static/css/lib/codemirror.css new file mode 100644 index 0000000..f4d5718 --- /dev/null +++ b/web/static/css/lib/codemirror.css @@ -0,0 +1,344 @@ +/* BASICS */ + +.CodeMirror { + /* Set height, width, borders, and global font properties here */ + font-family: monospace; + height: 300px; + color: black; + direction: ltr; +} + +/* PADDING */ + +.CodeMirror-lines { + padding: 4px 0; /* Vertical padding around content */ +} +.CodeMirror pre.CodeMirror-line, +.CodeMirror pre.CodeMirror-line-like { + padding: 0 4px; /* Horizontal padding of content */ +} + +.CodeMirror-scrollbar-filler, .CodeMirror-gutter-filler { + background-color: white; /* The little square between H and V scrollbars */ +} + +/* GUTTER */ + +.CodeMirror-gutters { + border-right: 1px solid #ddd; + background-color: #f7f7f7; + white-space: nowrap; +} +.CodeMirror-linenumbers {} +.CodeMirror-linenumber { + padding: 0 3px 0 5px; + min-width: 20px; + text-align: right; + color: #999; + white-space: nowrap; +} + +.CodeMirror-guttermarker { color: black; } +.CodeMirror-guttermarker-subtle { color: #999; } + +/* CURSOR */ + +.CodeMirror-cursor { + border-left: 1px solid black; + border-right: none; + width: 0; +} +/* Shown when moving in bi-directional text */ +.CodeMirror div.CodeMirror-secondarycursor { + border-left: 1px solid silver; +} +.cm-fat-cursor .CodeMirror-cursor { + width: auto; + border: 0 !important; + background: #7e7; +} +.cm-fat-cursor div.CodeMirror-cursors { + z-index: 1; +} +.cm-fat-cursor .CodeMirror-line::selection, +.cm-fat-cursor .CodeMirror-line > span::selection, +.cm-fat-cursor .CodeMirror-line > span > span::selection { background: transparent; } +.cm-fat-cursor .CodeMirror-line::-moz-selection, +.cm-fat-cursor .CodeMirror-line > span::-moz-selection, +.cm-fat-cursor .CodeMirror-line > span > span::-moz-selection { background: transparent; } +.cm-fat-cursor { caret-color: transparent; } +@-moz-keyframes blink { + 0% {} + 50% { background-color: transparent; } + 100% {} +} +@-webkit-keyframes blink { + 0% {} + 50% { background-color: transparent; } + 100% {} +} +@keyframes blink { + 0% {} + 50% { background-color: transparent; } + 100% {} +} + +/* Can style cursor different in overwrite (non-insert) mode */ +.CodeMirror-overwrite .CodeMirror-cursor {} + +.cm-tab { display: inline-block; text-decoration: inherit; } + +.CodeMirror-rulers { + position: absolute; + left: 0; right: 0; top: -50px; bottom: 0; + overflow: hidden; +} +.CodeMirror-ruler { + border-left: 1px solid #ccc; + top: 0; bottom: 0; + position: absolute; +} + +/* DEFAULT THEME */ + +.cm-s-default .cm-header {color: blue;} +.cm-s-default .cm-quote {color: #090;} +.cm-negative {color: #d44;} +.cm-positive {color: #292;} +.cm-header, .cm-strong {font-weight: bold;} +.cm-em {font-style: italic;} +.cm-link {text-decoration: underline;} +.cm-strikethrough {text-decoration: line-through;} + +.cm-s-default .cm-keyword {color: #708;} +.cm-s-default .cm-atom {color: #219;} +.cm-s-default .cm-number {color: #164;} +.cm-s-default .cm-def {color: #00f;} +.cm-s-default .cm-variable, +.cm-s-default .cm-punctuation, +.cm-s-default .cm-property, +.cm-s-default .cm-operator {} +.cm-s-default .cm-variable-2 {color: #05a;} +.cm-s-default .cm-variable-3, .cm-s-default .cm-type {color: #085;} +.cm-s-default .cm-comment {color: #a50;} +.cm-s-default .cm-string {color: #a11;} +.cm-s-default .cm-string-2 {color: #f50;} +.cm-s-default .cm-meta {color: #555;} +.cm-s-default .cm-qualifier {color: #555;} +.cm-s-default .cm-builtin {color: #30a;} +.cm-s-default .cm-bracket {color: #997;} +.cm-s-default .cm-tag {color: #170;} +.cm-s-default .cm-attribute {color: #00c;} +.cm-s-default .cm-hr {color: #999;} +.cm-s-default .cm-link {color: #00c;} + +.cm-s-default .cm-error {color: #f00;} +.cm-invalidchar {color: #f00;} + +.CodeMirror-composing { border-bottom: 2px solid; } + +/* Default styles for common addons */ + +div.CodeMirror span.CodeMirror-matchingbracket {color: #0b0;} +div.CodeMirror span.CodeMirror-nonmatchingbracket {color: #a22;} +.CodeMirror-matchingtag { background: rgba(255, 150, 0, .3); } +.CodeMirror-activeline-background {background: #e8f2ff;} + +/* STOP */ + +/* The rest of this file contains styles related to the mechanics of + the editor. You probably shouldn't touch them. */ + +.CodeMirror { + position: relative; + overflow: hidden; + background: white; +} + +.CodeMirror-scroll { + overflow: scroll !important; /* Things will break if this is overridden */ + /* 50px is the magic margin used to hide the element's real scrollbars */ + /* See overflow: hidden in .CodeMirror */ + margin-bottom: -50px; margin-right: -50px; + padding-bottom: 50px; + height: 100%; + outline: none; /* Prevent dragging from highlighting the element */ + position: relative; + z-index: 0; +} +.CodeMirror-sizer { + position: relative; + border-right: 50px solid transparent; +} + +/* The fake, visible scrollbars. Used to force redraw during scrolling + before actual scrolling happens, thus preventing shaking and + flickering artifacts. */ +.CodeMirror-vscrollbar, .CodeMirror-hscrollbar, .CodeMirror-scrollbar-filler, .CodeMirror-gutter-filler { + position: absolute; + z-index: 6; + display: none; + outline: none; +} +.CodeMirror-vscrollbar { + right: 0; top: 0; + overflow-x: hidden; + overflow-y: scroll; +} +.CodeMirror-hscrollbar { + bottom: 0; left: 0; + overflow-y: hidden; + overflow-x: scroll; +} +.CodeMirror-scrollbar-filler { + right: 0; bottom: 0; +} +.CodeMirror-gutter-filler { + left: 0; bottom: 0; +} + +.CodeMirror-gutters { + position: absolute; left: 0; top: 0; + min-height: 100%; + z-index: 3; +} +.CodeMirror-gutter { + white-space: normal; + height: 100%; + display: inline-block; + vertical-align: top; + margin-bottom: -50px; +} +.CodeMirror-gutter-wrapper { + position: absolute; + z-index: 4; + background: none !important; + border: none !important; +} +.CodeMirror-gutter-background { + position: absolute; + top: 0; bottom: 0; + z-index: 4; +} +.CodeMirror-gutter-elt { + position: absolute; + cursor: default; + z-index: 4; +} +.CodeMirror-gutter-wrapper ::selection { background-color: transparent } +.CodeMirror-gutter-wrapper ::-moz-selection { background-color: transparent } + +.CodeMirror-lines { + cursor: text; + min-height: 1px; /* prevents collapsing before first draw */ +} +.CodeMirror pre.CodeMirror-line, +.CodeMirror pre.CodeMirror-line-like { + /* Reset some styles that the rest of the page might have set */ + -moz-border-radius: 0; -webkit-border-radius: 0; border-radius: 0; + border-width: 0; + background: transparent; + font-family: inherit; + font-size: inherit; + margin: 0; + white-space: pre; + word-wrap: normal; + line-height: inherit; + color: inherit; + z-index: 2; + position: relative; + overflow: visible; + -webkit-tap-highlight-color: transparent; + -webkit-font-variant-ligatures: contextual; + font-variant-ligatures: contextual; +} +.CodeMirror-wrap pre.CodeMirror-line, +.CodeMirror-wrap pre.CodeMirror-line-like { + word-wrap: break-word; + white-space: pre-wrap; + word-break: normal; +} + +.CodeMirror-linebackground { + position: absolute; + left: 0; right: 0; top: 0; bottom: 0; + z-index: 0; +} + +.CodeMirror-linewidget { + position: relative; + z-index: 2; + padding: 0.1px; /* Force widget margins to stay inside of the container */ +} + +.CodeMirror-widget {} + +.CodeMirror-rtl pre { direction: rtl; } + +.CodeMirror-code { + outline: none; +} + +/* Force content-box sizing for the elements where we expect it */ +.CodeMirror-scroll, +.CodeMirror-sizer, +.CodeMirror-gutter, +.CodeMirror-gutters, +.CodeMirror-linenumber { + -moz-box-sizing: content-box; + box-sizing: content-box; +} + +.CodeMirror-measure { + position: absolute; + width: 100%; + height: 0; + overflow: hidden; + visibility: hidden; +} + +.CodeMirror-cursor { + position: absolute; + pointer-events: none; +} +.CodeMirror-measure pre { position: static; } + +div.CodeMirror-cursors { + visibility: hidden; + position: relative; + z-index: 3; +} +div.CodeMirror-dragcursors { + visibility: visible; +} + +.CodeMirror-focused div.CodeMirror-cursors { + visibility: visible; +} + +.CodeMirror-selected { background: #d9d9d9; } +.CodeMirror-focused .CodeMirror-selected { background: #d7d4f0; } +.CodeMirror-crosshair { cursor: crosshair; } +.CodeMirror-line::selection, .CodeMirror-line > span::selection, .CodeMirror-line > span > span::selection { background: #d7d4f0; } +.CodeMirror-line::-moz-selection, .CodeMirror-line > span::-moz-selection, .CodeMirror-line > span > span::-moz-selection { background: #d7d4f0; } + +.cm-searching { + background-color: #ffa; + background-color: rgba(255, 255, 0, .4); +} + +/* Used to force a border model for a node */ +.cm-force-border { padding-right: .1px; } + +@media print { + /* Hide the cursor when printing */ + .CodeMirror div.CodeMirror-cursors { + visibility: hidden; + } +} + +/* See issue #2901 */ +.cm-tab-wrap-hack:after { content: ''; } + +/* Help users use markselection to safely style text background */ +span.CodeMirror-selectedtext { background: none; } diff --git a/web/static/css/theme/catppuccin-colors.css b/web/static/css/theme/catppuccin-colors.css new file mode 100644 index 0000000..0f27fd0 --- /dev/null +++ b/web/static/css/theme/catppuccin-colors.css @@ -0,0 +1,418 @@ +:root { + --ctp-latte-rosewater: #dc8a78; + --ctp-latte-rosewater-rgb: rgb(220, 138, 120); + --ctp-latte-rosewater-hsl: hsl(11, 59%, 67%); + --ctp-latte-rosewater-raw: 220, 138, 120; + --ctp-frappe-rosewater: #f2d5cf; + --ctp-frappe-rosewater-rgb: rgb(242, 213, 207); + --ctp-frappe-rosewater-hsl: hsl(10, 57%, 88%); + --ctp-frappe-rosewater-raw: 242, 213, 207; + --ctp-macchiato-rosewater: #f4dbd6; + --ctp-macchiato-rosewater-rgb: rgb(244, 219, 214); + --ctp-macchiato-rosewater-hsl: hsl(10, 58%, 90%); + --ctp-macchiato-rosewater-raw: 244, 219, 214; + --ctp-mocha-rosewater: #f5e0dc; + --ctp-mocha-rosewater-rgb: rgb(245, 224, 220); + --ctp-mocha-rosewater-hsl: hsl(10, 56%, 91%); + --ctp-mocha-rosewater-raw: 245, 224, 220; + --ctp-latte-flamingo: #dd7878; + --ctp-latte-flamingo-rgb: rgb(221, 120, 120); + --ctp-latte-flamingo-hsl: hsl(0, 60%, 67%); + --ctp-latte-flamingo-raw: 221, 120, 120; + --ctp-frappe-flamingo: #eebebe; + --ctp-frappe-flamingo-rgb: rgb(238, 190, 190); + --ctp-frappe-flamingo-hsl: hsl(0, 59%, 84%); + --ctp-frappe-flamingo-raw: 238, 190, 190; + --ctp-macchiato-flamingo: #f0c6c6; + --ctp-macchiato-flamingo-rgb: rgb(240, 198, 198); + --ctp-macchiato-flamingo-hsl: hsl(0, 58%, 86%); + --ctp-macchiato-flamingo-raw: 240, 198, 198; + --ctp-mocha-flamingo: #f2cdcd; + --ctp-mocha-flamingo-rgb: rgb(242, 205, 205); + --ctp-mocha-flamingo-hsl: hsl(0, 59%, 88%); + --ctp-mocha-flamingo-raw: 242, 205, 205; + --ctp-latte-pink: #ea76cb; + --ctp-latte-pink-rgb: rgb(234, 118, 203); + --ctp-latte-pink-hsl: hsl(316, 73%, 69%); + --ctp-latte-pink-raw: 234, 118, 203; + --ctp-frappe-pink: #f4b8e4; + --ctp-frappe-pink-rgb: rgb(244, 184, 228); + --ctp-frappe-pink-hsl: hsl(316, 73%, 84%); + --ctp-frappe-pink-raw: 244, 184, 228; + --ctp-macchiato-pink: #f5bde6; + --ctp-macchiato-pink-rgb: rgb(245, 189, 230); + --ctp-macchiato-pink-hsl: hsl(316, 74%, 85%); + --ctp-macchiato-pink-raw: 245, 189, 230; + --ctp-mocha-pink: #f5c2e7; + --ctp-mocha-pink-rgb: rgb(245, 194, 231); + --ctp-mocha-pink-hsl: hsl(316, 72%, 86%); + --ctp-mocha-pink-raw: 245, 194, 231; + --ctp-latte-mauve: #8839ef; + --ctp-latte-mauve-rgb: rgb(136, 57, 239); + --ctp-latte-mauve-hsl: hsl(266, 85%, 58%); + --ctp-latte-mauve-raw: 136, 57, 239; + --ctp-frappe-mauve: #ca9ee6; + --ctp-frappe-mauve-rgb: rgb(202, 158, 230); + --ctp-frappe-mauve-hsl: hsl(277, 59%, 76%); + --ctp-frappe-mauve-raw: 202, 158, 230; + --ctp-macchiato-mauve: #c6a0f6; + --ctp-macchiato-mauve-rgb: rgb(198, 160, 246); + --ctp-macchiato-mauve-hsl: hsl(267, 83%, 80%); + --ctp-macchiato-mauve-raw: 198, 160, 246; + --ctp-mocha-mauve: #cba6f7; + --ctp-mocha-mauve-rgb: rgb(203, 166, 247); + --ctp-mocha-mauve-hsl: hsl(267, 84%, 81%); + --ctp-mocha-mauve-raw: 203, 166, 247; + --ctp-latte-red: #d20f39; + --ctp-latte-red-rgb: rgb(210, 15, 57); + --ctp-latte-red-hsl: hsl(347, 87%, 44%); + --ctp-latte-red-raw: 210, 15, 57; + --ctp-frappe-red: #e78284; + --ctp-frappe-red-rgb: rgb(231, 130, 132); + --ctp-frappe-red-hsl: hsl(359, 68%, 71%); + --ctp-frappe-red-raw: 231, 130, 132; + --ctp-macchiato-red: #ed8796; + --ctp-macchiato-red-rgb: rgb(237, 135, 150); + --ctp-macchiato-red-hsl: hsl(351, 74%, 73%); + --ctp-macchiato-red-raw: 237, 135, 150; + --ctp-mocha-red: #f38ba8; + --ctp-mocha-red-rgb: rgb(243, 139, 168); + --ctp-mocha-red-hsl: hsl(343, 81%, 75%); + --ctp-mocha-red-raw: 243, 139, 168; + --ctp-latte-maroon: #e64553; + --ctp-latte-maroon-rgb: rgb(230, 69, 83); + --ctp-latte-maroon-hsl: hsl(355, 76%, 59%); + --ctp-latte-maroon-raw: 230, 69, 83; + --ctp-frappe-maroon: #ea999c; + --ctp-frappe-maroon-rgb: rgb(234, 153, 156); + --ctp-frappe-maroon-hsl: hsl(358, 66%, 76%); + --ctp-frappe-maroon-raw: 234, 153, 156; + --ctp-macchiato-maroon: #ee99a0; + --ctp-macchiato-maroon-rgb: rgb(238, 153, 160); + --ctp-macchiato-maroon-hsl: hsl(355, 71%, 77%); + --ctp-macchiato-maroon-raw: 238, 153, 160; + --ctp-mocha-maroon: #eba0ac; + --ctp-mocha-maroon-rgb: rgb(235, 160, 172); + --ctp-mocha-maroon-hsl: hsl(350, 65%, 77%); + --ctp-mocha-maroon-raw: 235, 160, 172; + --ctp-latte-peach: #fe640b; + --ctp-latte-peach-rgb: rgb(254, 100, 11); + --ctp-latte-peach-hsl: hsl(22, 99%, 52%); + --ctp-latte-peach-raw: 254, 100, 11; + --ctp-frappe-peach: #ef9f76; + --ctp-frappe-peach-rgb: rgb(239, 159, 118); + --ctp-frappe-peach-hsl: hsl(20, 79%, 70%); + --ctp-frappe-peach-raw: 239, 159, 118; + --ctp-macchiato-peach: #f5a97f; + --ctp-macchiato-peach-rgb: rgb(245, 169, 127); + --ctp-macchiato-peach-hsl: hsl(21, 86%, 73%); + --ctp-macchiato-peach-raw: 245, 169, 127; + --ctp-mocha-peach: #fab387; + --ctp-mocha-peach-rgb: rgb(250, 179, 135); + --ctp-mocha-peach-hsl: hsl(23, 92%, 75%); + --ctp-mocha-peach-raw: 250, 179, 135; + --ctp-latte-yellow: #df8e1d; + --ctp-latte-yellow-rgb: rgb(223, 142, 29); + --ctp-latte-yellow-hsl: hsl(35, 77%, 49%); + --ctp-latte-yellow-raw: 223, 142, 29; + --ctp-frappe-yellow: #e5c890; + --ctp-frappe-yellow-rgb: rgb(229, 200, 144); + --ctp-frappe-yellow-hsl: hsl(40, 62%, 73%); + --ctp-frappe-yellow-raw: 229, 200, 144; + --ctp-macchiato-yellow: #eed49f; + --ctp-macchiato-yellow-rgb: rgb(238, 212, 159); + --ctp-macchiato-yellow-hsl: hsl(40, 70%, 78%); + --ctp-macchiato-yellow-raw: 238, 212, 159; + --ctp-mocha-yellow: #f9e2af; + --ctp-mocha-yellow-rgb: rgb(249, 226, 175); + --ctp-mocha-yellow-hsl: hsl(41, 86%, 83%); + --ctp-mocha-yellow-raw: 249, 226, 175; + --ctp-latte-green: #40a02b; + --ctp-latte-green-rgb: rgb(64, 160, 43); + --ctp-latte-green-hsl: hsl(109, 58%, 40%); + --ctp-latte-green-raw: 64, 160, 43; + --ctp-frappe-green: #a6d189; + --ctp-frappe-green-rgb: rgb(166, 209, 137); + --ctp-frappe-green-hsl: hsl(96, 44%, 68%); + --ctp-frappe-green-raw: 166, 209, 137; + --ctp-macchiato-green: #a6da95; + --ctp-macchiato-green-rgb: rgb(166, 218, 149); + --ctp-macchiato-green-hsl: hsl(105, 48%, 72%); + --ctp-macchiato-green-raw: 166, 218, 149; + --ctp-mocha-green: #a6e3a1; + --ctp-mocha-green-rgb: rgb(166, 227, 161); + --ctp-mocha-green-hsl: hsl(115, 54%, 76%); + --ctp-mocha-green-raw: 166, 227, 161; + --ctp-latte-teal: #179299; + --ctp-latte-teal-rgb: rgb(23, 146, 153); + --ctp-latte-teal-hsl: hsl(183, 74%, 35%); + --ctp-latte-teal-raw: 23, 146, 153; + --ctp-frappe-teal: #81c8be; + --ctp-frappe-teal-rgb: rgb(129, 200, 190); + --ctp-frappe-teal-hsl: hsl(172, 39%, 65%); + --ctp-frappe-teal-raw: 129, 200, 190; + --ctp-macchiato-teal: #8bd5ca; + --ctp-macchiato-teal-rgb: rgb(139, 213, 202); + --ctp-macchiato-teal-hsl: hsl(171, 47%, 69%); + --ctp-macchiato-teal-raw: 139, 213, 202; + --ctp-mocha-teal: #94e2d5; + --ctp-mocha-teal-rgb: rgb(148, 226, 213); + --ctp-mocha-teal-hsl: hsl(170, 57%, 73%); + --ctp-mocha-teal-raw: 148, 226, 213; + --ctp-latte-sky: #04a5e5; + --ctp-latte-sky-rgb: rgb(4, 165, 229); + --ctp-latte-sky-hsl: hsl(197, 97%, 46%); + --ctp-latte-sky-raw: 4, 165, 229; + --ctp-frappe-sky: #99d1db; + --ctp-frappe-sky-rgb: rgb(153, 209, 219); + --ctp-frappe-sky-hsl: hsl(189, 48%, 73%); + --ctp-frappe-sky-raw: 153, 209, 219; + --ctp-macchiato-sky: #91d7e3; + --ctp-macchiato-sky-rgb: rgb(145, 215, 227); + --ctp-macchiato-sky-hsl: hsl(189, 59%, 73%); + --ctp-macchiato-sky-raw: 145, 215, 227; + --ctp-mocha-sky: #89dceb; + --ctp-mocha-sky-rgb: rgb(137, 220, 235); + --ctp-mocha-sky-hsl: hsl(189, 71%, 73%); + --ctp-mocha-sky-raw: 137, 220, 235; + --ctp-latte-sapphire: #209fb5; + --ctp-latte-sapphire-rgb: rgb(32, 159, 181); + --ctp-latte-sapphire-hsl: hsl(189, 70%, 42%); + --ctp-latte-sapphire-raw: 32, 159, 181; + --ctp-frappe-sapphire: #85c1dc; + --ctp-frappe-sapphire-rgb: rgb(133, 193, 220); + --ctp-frappe-sapphire-hsl: hsl(199, 55%, 69%); + --ctp-frappe-sapphire-raw: 133, 193, 220; + --ctp-macchiato-sapphire: #7dc4e4; + --ctp-macchiato-sapphire-rgb: rgb(125, 196, 228); + --ctp-macchiato-sapphire-hsl: hsl(199, 66%, 69%); + --ctp-macchiato-sapphire-raw: 125, 196, 228; + --ctp-mocha-sapphire: #74c7ec; + --ctp-mocha-sapphire-rgb: rgb(116, 199, 236); + --ctp-mocha-sapphire-hsl: hsl(199, 76%, 69%); + --ctp-mocha-sapphire-raw: 116, 199, 236; + --ctp-latte-blue: #1e66f5; + --ctp-latte-blue-rgb: rgb(30, 102, 245); + --ctp-latte-blue-hsl: hsl(220, 91%, 54%); + --ctp-latte-blue-raw: 30, 102, 245; + --ctp-frappe-blue: #8caaee; + --ctp-frappe-blue-rgb: rgb(140, 170, 238); + --ctp-frappe-blue-hsl: hsl(222, 74%, 74%); + --ctp-frappe-blue-raw: 140, 170, 238; + --ctp-macchiato-blue: #8aadf4; + --ctp-macchiato-blue-rgb: rgb(138, 173, 244); + --ctp-macchiato-blue-hsl: hsl(220, 83%, 75%); + --ctp-macchiato-blue-raw: 138, 173, 244; + --ctp-mocha-blue: #89b4fa; + --ctp-mocha-blue-rgb: rgb(137, 180, 250); + --ctp-mocha-blue-hsl: hsl(217, 92%, 76%); + --ctp-mocha-blue-raw: 137, 180, 250; + --ctp-latte-lavender: #7287fd; + --ctp-latte-lavender-rgb: rgb(114, 135, 253); + --ctp-latte-lavender-hsl: hsl(231, 97%, 72%); + --ctp-latte-lavender-raw: 114, 135, 253; + --ctp-frappe-lavender: #babbf1; + --ctp-frappe-lavender-rgb: rgb(186, 187, 241); + --ctp-frappe-lavender-hsl: hsl(239, 66%, 84%); + --ctp-frappe-lavender-raw: 186, 187, 241; + --ctp-macchiato-lavender: #b7bdf8; + --ctp-macchiato-lavender-rgb: rgb(183, 189, 248); + --ctp-macchiato-lavender-hsl: hsl(234, 82%, 85%); + --ctp-macchiato-lavender-raw: 183, 189, 248; + --ctp-mocha-lavender: #b4befe; + --ctp-mocha-lavender-rgb: rgb(180, 190, 254); + --ctp-mocha-lavender-hsl: hsl(232, 97%, 85%); + --ctp-mocha-lavender-raw: 180, 190, 254; + --ctp-latte-text: #4c4f69; + --ctp-latte-text-rgb: rgb(76, 79, 105); + --ctp-latte-text-hsl: hsl(234, 16%, 35%); + --ctp-latte-text-raw: 76, 79, 105; + --ctp-frappe-text: #c6d0f5; + --ctp-frappe-text-rgb: rgb(198, 208, 245); + --ctp-frappe-text-hsl: hsl(227, 70%, 87%); + --ctp-frappe-text-raw: 198, 208, 245; + --ctp-macchiato-text: #cad3f5; + --ctp-macchiato-text-rgb: rgb(202, 211, 245); + --ctp-macchiato-text-hsl: hsl(227, 68%, 88%); + --ctp-macchiato-text-raw: 202, 211, 245; + --ctp-mocha-text: #cdd6f4; + --ctp-mocha-text-rgb: rgb(205, 214, 244); + --ctp-mocha-text-hsl: hsl(226, 64%, 88%); + --ctp-mocha-text-raw: 205, 214, 244; + --ctp-latte-subtext1: #5c5f77; + --ctp-latte-subtext1-rgb: rgb(92, 95, 119); + --ctp-latte-subtext1-hsl: hsl(233, 13%, 41%); + --ctp-latte-subtext1-raw: 92, 95, 119; + --ctp-frappe-subtext1: #b5bfe2; + --ctp-frappe-subtext1-rgb: rgb(181, 191, 226); + --ctp-frappe-subtext1-hsl: hsl(227, 44%, 80%); + --ctp-frappe-subtext1-raw: 181, 191, 226; + --ctp-macchiato-subtext1: #b8c0e0; + --ctp-macchiato-subtext1-rgb: rgb(184, 192, 224); + --ctp-macchiato-subtext1-hsl: hsl(228, 39%, 80%); + --ctp-macchiato-subtext1-raw: 184, 192, 224; + --ctp-mocha-subtext1: #bac2de; + --ctp-mocha-subtext1-rgb: rgb(186, 194, 222); + --ctp-mocha-subtext1-hsl: hsl(227, 35%, 80%); + --ctp-mocha-subtext1-raw: 186, 194, 222; + --ctp-latte-subtext0: #6c6f85; + --ctp-latte-subtext0-rgb: rgb(108, 111, 133); + --ctp-latte-subtext0-hsl: hsl(233, 10%, 47%); + --ctp-latte-subtext0-raw: 108, 111, 133; + --ctp-frappe-subtext0: #a5adce; + --ctp-frappe-subtext0-rgb: rgb(165, 173, 206); + --ctp-frappe-subtext0-hsl: hsl(228, 29%, 73%); + --ctp-frappe-subtext0-raw: 165, 173, 206; + --ctp-macchiato-subtext0: #a5adcb; + --ctp-macchiato-subtext0-rgb: rgb(165, 173, 203); + --ctp-macchiato-subtext0-hsl: hsl(227, 27%, 72%); + --ctp-macchiato-subtext0-raw: 165, 173, 203; + --ctp-mocha-subtext0: #a6adc8; + --ctp-mocha-subtext0-rgb: rgb(166, 173, 200); + --ctp-mocha-subtext0-hsl: hsl(228, 24%, 72%); + --ctp-mocha-subtext0-raw: 166, 173, 200; + --ctp-latte-overlay2: #7c7f93; + --ctp-latte-overlay2-rgb: rgb(124, 127, 147); + --ctp-latte-overlay2-hsl: hsl(232, 10%, 53%); + --ctp-latte-overlay2-raw: 124, 127, 147; + --ctp-frappe-overlay2: #949cbb; + --ctp-frappe-overlay2-rgb: rgb(148, 156, 187); + --ctp-frappe-overlay2-hsl: hsl(228, 22%, 66%); + --ctp-frappe-overlay2-raw: 148, 156, 187; + --ctp-macchiato-overlay2: #939ab7; + --ctp-macchiato-overlay2-rgb: rgb(147, 154, 183); + --ctp-macchiato-overlay2-hsl: hsl(228, 20%, 65%); + --ctp-macchiato-overlay2-raw: 147, 154, 183; + --ctp-mocha-overlay2: #9399b2; + --ctp-mocha-overlay2-rgb: rgb(147, 153, 178); + --ctp-mocha-overlay2-hsl: hsl(228, 17%, 64%); + --ctp-mocha-overlay2-raw: 147, 153, 178; + --ctp-latte-overlay1: #8c8fa1; + --ctp-latte-overlay1-rgb: rgb(140, 143, 161); + --ctp-latte-overlay1-hsl: hsl(231, 10%, 59%); + --ctp-latte-overlay1-raw: 140, 143, 161; + --ctp-frappe-overlay1: #838ba7; + --ctp-frappe-overlay1-rgb: rgb(131, 139, 167); + --ctp-frappe-overlay1-hsl: hsl(227, 17%, 58%); + --ctp-frappe-overlay1-raw: 131, 139, 167; + --ctp-macchiato-overlay1: #8087a2; + --ctp-macchiato-overlay1-rgb: rgb(128, 135, 162); + --ctp-macchiato-overlay1-hsl: hsl(228, 15%, 57%); + --ctp-macchiato-overlay1-raw: 128, 135, 162; + --ctp-mocha-overlay1: #7f849c; + --ctp-mocha-overlay1-rgb: rgb(127, 132, 156); + --ctp-mocha-overlay1-hsl: hsl(230, 13%, 55%); + --ctp-mocha-overlay1-raw: 127, 132, 156; + --ctp-latte-overlay0: #9ca0b0; + --ctp-latte-overlay0-rgb: rgb(156, 160, 176); + --ctp-latte-overlay0-hsl: hsl(228, 11%, 65%); + --ctp-latte-overlay0-raw: 156, 160, 176; + --ctp-frappe-overlay0: #737994; + --ctp-frappe-overlay0-rgb: rgb(115, 121, 148); + --ctp-frappe-overlay0-hsl: hsl(229, 13%, 52%); + --ctp-frappe-overlay0-raw: 115, 121, 148; + --ctp-macchiato-overlay0: #6e738d; + --ctp-macchiato-overlay0-rgb: rgb(110, 115, 141); + --ctp-macchiato-overlay0-hsl: hsl(230, 12%, 49%); + --ctp-macchiato-overlay0-raw: 110, 115, 141; + --ctp-mocha-overlay0: #6c7086; + --ctp-mocha-overlay0-rgb: rgb(108, 112, 134); + --ctp-mocha-overlay0-hsl: hsl(231, 11%, 47%); + --ctp-mocha-overlay0-raw: 108, 112, 134; + --ctp-latte-surface2: #acb0be; + --ctp-latte-surface2-rgb: rgb(172, 176, 190); + --ctp-latte-surface2-hsl: hsl(227, 12%, 71%); + --ctp-latte-surface2-raw: 172, 176, 190; + --ctp-frappe-surface2: #626880; + --ctp-frappe-surface2-rgb: rgb(98, 104, 128); + --ctp-frappe-surface2-hsl: hsl(228, 13%, 44%); + --ctp-frappe-surface2-raw: 98, 104, 128; + --ctp-macchiato-surface2: #5b6078; + --ctp-macchiato-surface2-rgb: rgb(91, 96, 120); + --ctp-macchiato-surface2-hsl: hsl(230, 14%, 41%); + --ctp-macchiato-surface2-raw: 91, 96, 120; + --ctp-mocha-surface2: #585b70; + --ctp-mocha-surface2-rgb: rgb(88, 91, 112); + --ctp-mocha-surface2-hsl: hsl(233, 12%, 39%); + --ctp-mocha-surface2-raw: 88, 91, 112; + --ctp-latte-surface1: #bcc0cc; + --ctp-latte-surface1-rgb: rgb(188, 192, 204); + --ctp-latte-surface1-hsl: hsl(225, 14%, 77%); + --ctp-latte-surface1-raw: 188, 192, 204; + --ctp-frappe-surface1: #51576d; + --ctp-frappe-surface1-rgb: rgb(81, 87, 109); + --ctp-frappe-surface1-hsl: hsl(227, 15%, 37%); + --ctp-frappe-surface1-raw: 81, 87, 109; + --ctp-macchiato-surface1: #494d64; + --ctp-macchiato-surface1-rgb: rgb(73, 77, 100); + --ctp-macchiato-surface1-hsl: hsl(231, 16%, 34%); + --ctp-macchiato-surface1-raw: 73, 77, 100; + --ctp-mocha-surface1: #45475a; + --ctp-mocha-surface1-rgb: rgb(69, 71, 90); + --ctp-mocha-surface1-hsl: hsl(234, 13%, 31%); + --ctp-mocha-surface1-raw: 69, 71, 90; + --ctp-latte-surface0: #ccd0da; + --ctp-latte-surface0-rgb: rgb(204, 208, 218); + --ctp-latte-surface0-hsl: hsl(223, 16%, 83%); + --ctp-latte-surface0-raw: 204, 208, 218; + --ctp-frappe-surface0: #414559; + --ctp-frappe-surface0-rgb: rgb(65, 69, 89); + --ctp-frappe-surface0-hsl: hsl(230, 16%, 30%); + --ctp-frappe-surface0-raw: 65, 69, 89; + --ctp-macchiato-surface0: #363a4f; + --ctp-macchiato-surface0-rgb: rgb(54, 58, 79); + --ctp-macchiato-surface0-hsl: hsl(230, 19%, 26%); + --ctp-macchiato-surface0-raw: 54, 58, 79; + --ctp-mocha-surface0: #313244; + --ctp-mocha-surface0-rgb: rgb(49, 50, 68); + --ctp-mocha-surface0-hsl: hsl(237, 16%, 23%); + --ctp-mocha-surface0-raw: 49, 50, 68; + --ctp-latte-base: #eff1f5; + --ctp-latte-base-rgb: rgb(239, 241, 245); + --ctp-latte-base-hsl: hsl(220, 23%, 95%); + --ctp-latte-base-raw: 239, 241, 245; + --ctp-frappe-base: #303446; + --ctp-frappe-base-rgb: rgb(48, 52, 70); + --ctp-frappe-base-hsl: hsl(229, 19%, 23%); + --ctp-frappe-base-raw: 48, 52, 70; + --ctp-macchiato-base: #24273a; + --ctp-macchiato-base-rgb: rgb(36, 39, 58); + --ctp-macchiato-base-hsl: hsl(232, 23%, 18%); + --ctp-macchiato-base-raw: 36, 39, 58; + --ctp-mocha-base: #1e1e2e; + --ctp-mocha-base-rgb: rgb(30, 30, 46); + --ctp-mocha-base-hsl: hsl(240, 21%, 15%); + --ctp-mocha-base-raw: 30, 30, 46; + --ctp-latte-mantle: #e6e9ef; + --ctp-latte-mantle-rgb: rgb(230, 233, 239); + --ctp-latte-mantle-hsl: hsl(220, 22%, 92%); + --ctp-latte-mantle-raw: 230, 233, 239; + --ctp-frappe-mantle: #292c3c; + --ctp-frappe-mantle-rgb: rgb(41, 44, 60); + --ctp-frappe-mantle-hsl: hsl(231, 19%, 20%); + --ctp-frappe-mantle-raw: 41, 44, 60; + --ctp-macchiato-mantle: #1e2030; + --ctp-macchiato-mantle-rgb: rgb(30, 32, 48); + --ctp-macchiato-mantle-hsl: hsl(233, 23%, 15%); + --ctp-macchiato-mantle-raw: 30, 32, 48; + --ctp-mocha-mantle: #181825; + --ctp-mocha-mantle-rgb: rgb(24, 24, 37); + --ctp-mocha-mantle-hsl: hsl(240, 21%, 12%); + --ctp-mocha-mantle-raw: 24, 24, 37; + --ctp-latte-crust: #dce0e8; + --ctp-latte-crust-rgb: rgb(220, 224, 232); + --ctp-latte-crust-hsl: hsl(220, 21%, 89%); + --ctp-latte-crust-raw: 220, 224, 232; + --ctp-frappe-crust: #232634; + --ctp-frappe-crust-rgb: rgb(35, 38, 52); + --ctp-frappe-crust-hsl: hsl(229, 20%, 17%); + --ctp-frappe-crust-raw: 35, 38, 52; + --ctp-macchiato-crust: #181926; + --ctp-macchiato-crust-rgb: rgb(24, 25, 38); + --ctp-macchiato-crust-hsl: hsl(236, 23%, 12%); + --ctp-macchiato-crust-raw: 24, 25, 38; + --ctp-mocha-crust: #11111b; + --ctp-mocha-crust-rgb: rgb(17, 17, 27); + --ctp-mocha-crust-hsl: hsl(240, 23%, 9%); + --ctp-mocha-crust-raw: 17, 17, 27; +} diff --git a/web/static/css/theme/catppuccin.css b/web/static/css/theme/catppuccin.css new file mode 100644 index 0000000..e7a7d54 --- /dev/null +++ b/web/static/css/theme/catppuccin.css @@ -0,0 +1,128 @@ +.cm-s-catppuccin.CodeMirror { + background-color: var(--ctp-frappe-base); + color: var(--catppuccino-latte-text); +} + +.cm-s-catppuccin .CodeMirror-gutters { + background: var(--ctp-latte-text); + color: var(--ctp-latte-subtext0); + border: none; +} + +.cm-s-catppuccin .CodeMirror-guttermarker, +.cm-s-catppuccin .CodeMirror-guttermarker-subtle, +.cm-s-catppuccin .CodeMirror-linenumber { + color: var(--ctp-latte-subtext0); +} + +.cm-s-catppuccin .CodeMirror-cursor { + border-left: 1px solid var(--ctp-latte-text); +} + +.cm-s-catppuccin div.CodeMirror-selected { + background: rgba(var(--ctp-latte-text-raw), 0.2); +} + +.cm-s-catppuccin.CodeMirror-focused div.CodeMirror-selected { + background: rgba(var(--ctp-latte-text-raw), 0.2); +} + +.cm-s-catppuccin .CodeMirror-line::selection, +.cm-s-catppuccin .CodeMirror-line > span::selection, +.cm-s-catppuccin .CodeMirror-line > span > span::selection { + background: rgba(var(--ctp-latte-sky-raw), 0.2); +} + +.cm-s-catppuccin .CodeMirror-line::-moz-selection, +.cm-s-catppuccin .CodeMirror-line > span::-moz-selection, +.cm-s-catppuccin .CodeMirror-line > span > span::-moz-selection { + background: rgba(var(--ctp-latte-sky-raw), 0.2); +} + +.cm-s-catppuccin .CodeMirror-activeline-background { + background: rgba(var(--ctp-latte-surface2-raw), 0.5); +} + +.cm-s-catppuccin .cm-keyword { + color: var(--ctp-latte-rosewater); +} + +.cm-s-catppuccin .cm-operator { + color: var(--ctp-frappe-blue); +} + +.cm-s-catppuccin .cm-variable-2 { + color: var(--ctp-latte-text); +} + +.cm-s-catppuccin .cm-variable-3, +.cm-s-catppuccin .cm-type { + color: var(--ctp-macchiato-flamingo); +} + +.cm-s-catppuccin .cm-builtin { + color: var(--ctp-mocha-peach); +} + +.cm-s-catppuccin .cm-atom { + color: var(--ctp-latte-yellow); +} + +.cm-s-catppuccin .cm-number { + color: var(--ctp-mocha-yellow); +} + +.cm-s-catppuccin .cm-def { + color: var(--ctp-frappe-lavender); +} + +.cm-s-catppuccin .cm-string { + color: var(--ctp-mocha-pink); +} + +.cm-s-catppuccin .cm-string-2 { + color: var(--ctp-macchiato-flamingo); +} + +.cm-s-catppuccin .cm-comment { + color: var(--ctp-latte-subtext1); +} + +.cm-s-catppuccin .cm-variable { + color: var(--ctp-macchiato-flamingo); +} + +.cm-s-catppuccin .cm-tag { + color: var(--ctp-mocha-yellow); +} + +.cm-s-catppuccin .cm-meta { + color: var(--ctp-mocha-peach); +} + +.cm-s-catppuccin .cm-attribute { + color: var(--ctp-latte-rosewater); +} + +.cm-s-catppuccin .cm-property { + color: var(--ctp-latte-rosewater); +} + +.cm-s-catppuccin .cm-qualifier { + color: var(--ctp-frappe-peach); +} + +.cm-s-catppuccin .cm-variable-3, +.cm-s-catppuccin .cm-type { + color: var(--ctp-frappe-peach); +} + +.cm-s-catppuccin .cm-error { + color: rgba(255, 255, 255, 1); + background-color: var(--ctp-mocha-red); +} + +.cm-s-catppuccin .CodeMirror-matchingbracket { + text-decoration: underline; + color: white !important; +} diff --git a/web/static/css/vimbin.css b/web/static/css/vimbin.css new file mode 100644 index 0000000..d796b43 --- /dev/null +++ b/web/static/css/vimbin.css @@ -0,0 +1,83 @@ +body { + margin: 0; + font-family: Arial, sans-serif; + color: var(--ctp-mocha-text); + background: var(--ctp-frappe-base); +} + +.header { + background-color: var(--ctp-latte-sky); + color: var(--ctp-latte-overlay0); +} + +.button { + background-color: var(--ctp-latte-peach); + color: var(--ctp-latte-overlay2); + border: 2px solid var(--ctp-latte-surface2); +} + +.container { + margin: 20px; + position: relative; +} + +.CodeMirror { + border-top: 1px solid #eee; + border-bottom: 1px solid #eee; + height: 80vh; +} + +footer { + font-size: 13px; + display: flex; + justify-content: space-between; + align-items: center; +} + +.vim-info-container { + display: flex; + align-items: center; + width: 150px; +} + +.vim-mode { + font-size: 12px; + padding: 5px; + margin-right: 5px; + width: 130px; +} + +.custom-width { + width: 200px; + display: inline-block; +} + +.nowrap { + white-space: nowrap; +} + +/* Style for the vim mode */ +.normal { + background-color: #16a34a; + color: white; +} + +.insert { + background-color: #0284c7; + color: white; +} + +.visual { + background-color: #fb923c; + color: white; +} + +.visual-line { + background-color: #a855f7; + color: white; +} + +.unknown { + background-color: #e11d48; + color: white; +} diff --git a/web/static/js/addon/dialog/dialog.js b/web/static/js/addon/dialog/dialog.js new file mode 100644 index 0000000..0294d23 --- /dev/null +++ b/web/static/js/addon/dialog/dialog.js @@ -0,0 +1,163 @@ +// CodeMirror, copyright (c) by Marijn Haverbeke and others +// Distributed under an MIT license: https://codemirror.net/5/LICENSE + +// Open simple dialogs on top of an editor. Relies on dialog.css. + +(function(mod) { + if (typeof exports == "object" && typeof module == "object") // CommonJS + mod(require("../../lib/codemirror")); + else if (typeof define == "function" && define.amd) // AMD + define(["../../lib/codemirror"], mod); + else // Plain browser env + mod(CodeMirror); +})(function(CodeMirror) { + function dialogDiv(cm, template, bottom) { + var wrap = cm.getWrapperElement(); + var dialog; + dialog = wrap.appendChild(document.createElement("div")); + if (bottom) + dialog.className = "CodeMirror-dialog CodeMirror-dialog-bottom"; + else + dialog.className = "CodeMirror-dialog CodeMirror-dialog-top"; + + if (typeof template == "string") { + dialog.innerHTML = template; + } else { // Assuming it's a detached DOM element. + dialog.appendChild(template); + } + CodeMirror.addClass(wrap, 'dialog-opened'); + return dialog; + } + + function closeNotification(cm, newVal) { + if (cm.state.currentNotificationClose) + cm.state.currentNotificationClose(); + cm.state.currentNotificationClose = newVal; + } + + CodeMirror.defineExtension("openDialog", function(template, callback, options) { + if (!options) options = {}; + + closeNotification(this, null); + + var dialog = dialogDiv(this, template, options.bottom); + var closed = false, me = this; + function close(newVal) { + if (typeof newVal == 'string') { + inp.value = newVal; + } else { + if (closed) return; + closed = true; + CodeMirror.rmClass(dialog.parentNode, 'dialog-opened'); + dialog.parentNode.removeChild(dialog); + me.focus(); + + if (options.onClose) options.onClose(dialog); + } + } + + var inp = dialog.getElementsByTagName("input")[0], button; + if (inp) { + inp.focus(); + + if (options.value) { + inp.value = options.value; + if (options.selectValueOnOpen !== false) { + inp.select(); + } + } + + if (options.onInput) + CodeMirror.on(inp, "input", function(e) { options.onInput(e, inp.value, close);}); + if (options.onKeyUp) + CodeMirror.on(inp, "keyup", function(e) {options.onKeyUp(e, inp.value, close);}); + + CodeMirror.on(inp, "keydown", function(e) { + if (options && options.onKeyDown && options.onKeyDown(e, inp.value, close)) { return; } + if (e.keyCode == 27 || (options.closeOnEnter !== false && e.keyCode == 13)) { + inp.blur(); + CodeMirror.e_stop(e); + close(); + } + if (e.keyCode == 13) callback(inp.value, e); + }); + + if (options.closeOnBlur !== false) CodeMirror.on(dialog, "focusout", function (evt) { + if (evt.relatedTarget !== null) close(); + }); + } else if (button = dialog.getElementsByTagName("button")[0]) { + CodeMirror.on(button, "click", function() { + close(); + me.focus(); + }); + + if (options.closeOnBlur !== false) CodeMirror.on(button, "blur", close); + + button.focus(); + } + return close; + }); + + CodeMirror.defineExtension("openConfirm", function(template, callbacks, options) { + closeNotification(this, null); + var dialog = dialogDiv(this, template, options && options.bottom); + var buttons = dialog.getElementsByTagName("button"); + var closed = false, me = this, blurring = 1; + function close() { + if (closed) return; + closed = true; + CodeMirror.rmClass(dialog.parentNode, 'dialog-opened'); + dialog.parentNode.removeChild(dialog); + me.focus(); + } + buttons[0].focus(); + for (var i = 0; i < buttons.length; ++i) { + var b = buttons[i]; + (function(callback) { + CodeMirror.on(b, "click", function(e) { + CodeMirror.e_preventDefault(e); + close(); + if (callback) callback(me); + }); + })(callbacks[i]); + CodeMirror.on(b, "blur", function() { + --blurring; + setTimeout(function() { if (blurring <= 0) close(); }, 200); + }); + CodeMirror.on(b, "focus", function() { ++blurring; }); + } + }); + + /* + * openNotification + * Opens a notification, that can be closed with an optional timer + * (default 5000ms timer) and always closes on click. + * + * If a notification is opened while another is opened, it will close the + * currently opened one and open the new one immediately. + */ + CodeMirror.defineExtension("openNotification", function(template, options) { + closeNotification(this, close); + var dialog = dialogDiv(this, template, options && options.bottom); + var closed = false, doneTimer; + var duration = options && typeof options.duration !== "undefined" ? options.duration : 5000; + + function close() { + if (closed) return; + closed = true; + clearTimeout(doneTimer); + CodeMirror.rmClass(dialog.parentNode, 'dialog-opened'); + dialog.parentNode.removeChild(dialog); + } + + CodeMirror.on(dialog, 'click', function(e) { + CodeMirror.e_preventDefault(e); + close(); + }); + + if (duration) + doneTimer = setTimeout(close, duration); + + return close; + }); +}); diff --git a/web/static/js/addon/edit/matchbrackets.js b/web/static/js/addon/edit/matchbrackets.js new file mode 100644 index 0000000..c342910 --- /dev/null +++ b/web/static/js/addon/edit/matchbrackets.js @@ -0,0 +1,160 @@ +// CodeMirror, copyright (c) by Marijn Haverbeke and others +// Distributed under an MIT license: https://codemirror.net/5/LICENSE + +(function(mod) { + if (typeof exports == "object" && typeof module == "object") // CommonJS + mod(require("../../lib/codemirror")); + else if (typeof define == "function" && define.amd) // AMD + define(["../../lib/codemirror"], mod); + else // Plain browser env + mod(CodeMirror); +})(function(CodeMirror) { + var ie_lt8 = /MSIE \d/.test(navigator.userAgent) && + (document.documentMode == null || document.documentMode < 8); + + var Pos = CodeMirror.Pos; + + var matching = {"(": ")>", ")": "(<", "[": "]>", "]": "[<", "{": "}>", "}": "{<", "<": ">>", ">": "<<"}; + + function bracketRegex(config) { + return config && config.bracketRegex || /[(){}[\]]/ + } + + function findMatchingBracket(cm, where, config) { + var line = cm.getLineHandle(where.line), pos = where.ch - 1; + var afterCursor = config && config.afterCursor + if (afterCursor == null) + afterCursor = /(^| )cm-fat-cursor($| )/.test(cm.getWrapperElement().className) + var re = bracketRegex(config) + + // A cursor is defined as between two characters, but in in vim command mode + // (i.e. not insert mode), the cursor is visually represented as a + // highlighted box on top of the 2nd character. Otherwise, we allow matches + // from before or after the cursor. + var match = (!afterCursor && pos >= 0 && re.test(line.text.charAt(pos)) && matching[line.text.charAt(pos)]) || + re.test(line.text.charAt(pos + 1)) && matching[line.text.charAt(++pos)]; + if (!match) return null; + var dir = match.charAt(1) == ">" ? 1 : -1; + if (config && config.strict && (dir > 0) != (pos == where.ch)) return null; + var style = cm.getTokenTypeAt(Pos(where.line, pos + 1)); + + var found = scanForBracket(cm, Pos(where.line, pos + (dir > 0 ? 1 : 0)), dir, style, config); + if (found == null) return null; + return {from: Pos(where.line, pos), to: found && found.pos, + match: found && found.ch == match.charAt(0), forward: dir > 0}; + } + + // bracketRegex is used to specify which type of bracket to scan + // should be a regexp, e.g. /[[\]]/ + // + // Note: If "where" is on an open bracket, then this bracket is ignored. + // + // Returns false when no bracket was found, null when it reached + // maxScanLines and gave up + function scanForBracket(cm, where, dir, style, config) { + var maxScanLen = (config && config.maxScanLineLength) || 10000; + var maxScanLines = (config && config.maxScanLines) || 1000; + + var stack = []; + var re = bracketRegex(config) + var lineEnd = dir > 0 ? Math.min(where.line + maxScanLines, cm.lastLine() + 1) + : Math.max(cm.firstLine() - 1, where.line - maxScanLines); + for (var lineNo = where.line; lineNo != lineEnd; lineNo += dir) { + var line = cm.getLine(lineNo); + if (!line) continue; + var pos = dir > 0 ? 0 : line.length - 1, end = dir > 0 ? line.length : -1; + if (line.length > maxScanLen) continue; + if (lineNo == where.line) pos = where.ch - (dir < 0 ? 1 : 0); + for (; pos != end; pos += dir) { + var ch = line.charAt(pos); + if (re.test(ch) && (style === undefined || + (cm.getTokenTypeAt(Pos(lineNo, pos + 1)) || "") == (style || ""))) { + var match = matching[ch]; + if (match && (match.charAt(1) == ">") == (dir > 0)) stack.push(ch); + else if (!stack.length) return {pos: Pos(lineNo, pos), ch: ch}; + else stack.pop(); + } + } + } + return lineNo - dir == (dir > 0 ? cm.lastLine() : cm.firstLine()) ? false : null; + } + + function matchBrackets(cm, autoclear, config) { + // Disable brace matching in long lines, since it'll cause hugely slow updates + var maxHighlightLen = cm.state.matchBrackets.maxHighlightLineLength || 1000, + highlightNonMatching = config && config.highlightNonMatching; + var marks = [], ranges = cm.listSelections(); + for (var i = 0; i < ranges.length; i++) { + var match = ranges[i].empty() && findMatchingBracket(cm, ranges[i].head, config); + if (match && (match.match || highlightNonMatching !== false) && cm.getLine(match.from.line).length <= maxHighlightLen) { + var style = match.match ? "CodeMirror-matchingbracket" : "CodeMirror-nonmatchingbracket"; + marks.push(cm.markText(match.from, Pos(match.from.line, match.from.ch + 1), {className: style})); + if (match.to && cm.getLine(match.to.line).length <= maxHighlightLen) + marks.push(cm.markText(match.to, Pos(match.to.line, match.to.ch + 1), {className: style})); + } + } + + if (marks.length) { + // Kludge to work around the IE bug from issue #1193, where text + // input stops going to the textarea whenever this fires. + if (ie_lt8 && cm.state.focused) cm.focus(); + + var clear = function() { + cm.operation(function() { + for (var i = 0; i < marks.length; i++) marks[i].clear(); + }); + }; + if (autoclear) setTimeout(clear, 800); + else return clear; + } + } + + function doMatchBrackets(cm) { + cm.operation(function() { + if (cm.state.matchBrackets.currentlyHighlighted) { + cm.state.matchBrackets.currentlyHighlighted(); + cm.state.matchBrackets.currentlyHighlighted = null; + } + cm.state.matchBrackets.currentlyHighlighted = matchBrackets(cm, false, cm.state.matchBrackets); + }); + } + + function clearHighlighted(cm) { + if (cm.state.matchBrackets && cm.state.matchBrackets.currentlyHighlighted) { + cm.state.matchBrackets.currentlyHighlighted(); + cm.state.matchBrackets.currentlyHighlighted = null; + } + } + + CodeMirror.defineOption("matchBrackets", false, function(cm, val, old) { + if (old && old != CodeMirror.Init) { + cm.off("cursorActivity", doMatchBrackets); + cm.off("focus", doMatchBrackets) + cm.off("blur", clearHighlighted) + clearHighlighted(cm); + } + if (val) { + cm.state.matchBrackets = typeof val == "object" ? val : {}; + cm.on("cursorActivity", doMatchBrackets); + cm.on("focus", doMatchBrackets) + cm.on("blur", clearHighlighted) + } + }); + + CodeMirror.defineExtension("matchBrackets", function() {matchBrackets(this, true);}); + CodeMirror.defineExtension("findMatchingBracket", function(pos, config, oldConfig){ + // Backwards-compatibility kludge + if (oldConfig || typeof config == "boolean") { + if (!oldConfig) { + config = config ? {strict: true} : null + } else { + oldConfig.strict = config + config = oldConfig + } + } + return findMatchingBracket(this, pos, config) + }); + CodeMirror.defineExtension("scanForBracket", function(pos, dir, style, config){ + return scanForBracket(this, pos, dir, style, config); + }); +}); diff --git a/web/static/js/addon/search/searchcursor.js b/web/static/js/addon/search/searchcursor.js new file mode 100644 index 0000000..ffe6932 --- /dev/null +++ b/web/static/js/addon/search/searchcursor.js @@ -0,0 +1,305 @@ +// CodeMirror, copyright (c) by Marijn Haverbeke and others +// Distributed under an MIT license: https://codemirror.net/5/LICENSE + +(function(mod) { + if (typeof exports == "object" && typeof module == "object") // CommonJS + mod(require("../../lib/codemirror")) + else if (typeof define == "function" && define.amd) // AMD + define(["../../lib/codemirror"], mod) + else // Plain browser env + mod(CodeMirror) +})(function(CodeMirror) { + "use strict" + var Pos = CodeMirror.Pos + + function regexpFlags(regexp) { + var flags = regexp.flags + return flags != null ? flags : (regexp.ignoreCase ? "i" : "") + + (regexp.global ? "g" : "") + + (regexp.multiline ? "m" : "") + } + + function ensureFlags(regexp, flags) { + var current = regexpFlags(regexp), target = current + for (var i = 0; i < flags.length; i++) if (target.indexOf(flags.charAt(i)) == -1) + target += flags.charAt(i) + return current == target ? regexp : new RegExp(regexp.source, target) + } + + function maybeMultiline(regexp) { + return /\\s|\\n|\n|\\W|\\D|\[\^/.test(regexp.source) + } + + function searchRegexpForward(doc, regexp, start) { + regexp = ensureFlags(regexp, "g") + for (var line = start.line, ch = start.ch, last = doc.lastLine(); line <= last; line++, ch = 0) { + regexp.lastIndex = ch + var string = doc.getLine(line), match = regexp.exec(string) + if (match) + return {from: Pos(line, match.index), + to: Pos(line, match.index + match[0].length), + match: match} + } + } + + function searchRegexpForwardMultiline(doc, regexp, start) { + if (!maybeMultiline(regexp)) return searchRegexpForward(doc, regexp, start) + + regexp = ensureFlags(regexp, "gm") + var string, chunk = 1 + for (var line = start.line, last = doc.lastLine(); line <= last;) { + // This grows the search buffer in exponentially-sized chunks + // between matches, so that nearby matches are fast and don't + // require concatenating the whole document (in case we're + // searching for something that has tons of matches), but at the + // same time, the amount of retries is limited. + for (var i = 0; i < chunk; i++) { + if (line > last) break + var curLine = doc.getLine(line++) + string = string == null ? curLine : string + "\n" + curLine + } + chunk = chunk * 2 + regexp.lastIndex = start.ch + var match = regexp.exec(string) + if (match) { + var before = string.slice(0, match.index).split("\n"), inside = match[0].split("\n") + var startLine = start.line + before.length - 1, startCh = before[before.length - 1].length + return {from: Pos(startLine, startCh), + to: Pos(startLine + inside.length - 1, + inside.length == 1 ? startCh + inside[0].length : inside[inside.length - 1].length), + match: match} + } + } + } + + function lastMatchIn(string, regexp, endMargin) { + var match, from = 0 + while (from <= string.length) { + regexp.lastIndex = from + var newMatch = regexp.exec(string) + if (!newMatch) break + var end = newMatch.index + newMatch[0].length + if (end > string.length - endMargin) break + if (!match || end > match.index + match[0].length) + match = newMatch + from = newMatch.index + 1 + } + return match + } + + function searchRegexpBackward(doc, regexp, start) { + regexp = ensureFlags(regexp, "g") + for (var line = start.line, ch = start.ch, first = doc.firstLine(); line >= first; line--, ch = -1) { + var string = doc.getLine(line) + var match = lastMatchIn(string, regexp, ch < 0 ? 0 : string.length - ch) + if (match) + return {from: Pos(line, match.index), + to: Pos(line, match.index + match[0].length), + match: match} + } + } + + function searchRegexpBackwardMultiline(doc, regexp, start) { + if (!maybeMultiline(regexp)) return searchRegexpBackward(doc, regexp, start) + regexp = ensureFlags(regexp, "gm") + var string, chunkSize = 1, endMargin = doc.getLine(start.line).length - start.ch + for (var line = start.line, first = doc.firstLine(); line >= first;) { + for (var i = 0; i < chunkSize && line >= first; i++) { + var curLine = doc.getLine(line--) + string = string == null ? curLine : curLine + "\n" + string + } + chunkSize *= 2 + + var match = lastMatchIn(string, regexp, endMargin) + if (match) { + var before = string.slice(0, match.index).split("\n"), inside = match[0].split("\n") + var startLine = line + before.length, startCh = before[before.length - 1].length + return {from: Pos(startLine, startCh), + to: Pos(startLine + inside.length - 1, + inside.length == 1 ? startCh + inside[0].length : inside[inside.length - 1].length), + match: match} + } + } + } + + var doFold, noFold + if (String.prototype.normalize) { + doFold = function(str) { return str.normalize("NFD").toLowerCase() } + noFold = function(str) { return str.normalize("NFD") } + } else { + doFold = function(str) { return str.toLowerCase() } + noFold = function(str) { return str } + } + + // Maps a position in a case-folded line back to a position in the original line + // (compensating for codepoints increasing in number during folding) + function adjustPos(orig, folded, pos, foldFunc) { + if (orig.length == folded.length) return pos + for (var min = 0, max = pos + Math.max(0, orig.length - folded.length);;) { + if (min == max) return min + var mid = (min + max) >> 1 + var len = foldFunc(orig.slice(0, mid)).length + if (len == pos) return mid + else if (len > pos) max = mid + else min = mid + 1 + } + } + + function searchStringForward(doc, query, start, caseFold) { + // Empty string would match anything and never progress, so we + // define it to match nothing instead. + if (!query.length) return null + var fold = caseFold ? doFold : noFold + var lines = fold(query).split(/\r|\n\r?/) + + search: for (var line = start.line, ch = start.ch, last = doc.lastLine() + 1 - lines.length; line <= last; line++, ch = 0) { + var orig = doc.getLine(line).slice(ch), string = fold(orig) + if (lines.length == 1) { + var found = string.indexOf(lines[0]) + if (found == -1) continue search + var start = adjustPos(orig, string, found, fold) + ch + return {from: Pos(line, adjustPos(orig, string, found, fold) + ch), + to: Pos(line, adjustPos(orig, string, found + lines[0].length, fold) + ch)} + } else { + var cutFrom = string.length - lines[0].length + if (string.slice(cutFrom) != lines[0]) continue search + for (var i = 1; i < lines.length - 1; i++) + if (fold(doc.getLine(line + i)) != lines[i]) continue search + var end = doc.getLine(line + lines.length - 1), endString = fold(end), lastLine = lines[lines.length - 1] + if (endString.slice(0, lastLine.length) != lastLine) continue search + return {from: Pos(line, adjustPos(orig, string, cutFrom, fold) + ch), + to: Pos(line + lines.length - 1, adjustPos(end, endString, lastLine.length, fold))} + } + } + } + + function searchStringBackward(doc, query, start, caseFold) { + if (!query.length) return null + var fold = caseFold ? doFold : noFold + var lines = fold(query).split(/\r|\n\r?/) + + search: for (var line = start.line, ch = start.ch, first = doc.firstLine() - 1 + lines.length; line >= first; line--, ch = -1) { + var orig = doc.getLine(line) + if (ch > -1) orig = orig.slice(0, ch) + var string = fold(orig) + if (lines.length == 1) { + var found = string.lastIndexOf(lines[0]) + if (found == -1) continue search + return {from: Pos(line, adjustPos(orig, string, found, fold)), + to: Pos(line, adjustPos(orig, string, found + lines[0].length, fold))} + } else { + var lastLine = lines[lines.length - 1] + if (string.slice(0, lastLine.length) != lastLine) continue search + for (var i = 1, start = line - lines.length + 1; i < lines.length - 1; i++) + if (fold(doc.getLine(start + i)) != lines[i]) continue search + var top = doc.getLine(line + 1 - lines.length), topString = fold(top) + if (topString.slice(topString.length - lines[0].length) != lines[0]) continue search + return {from: Pos(line + 1 - lines.length, adjustPos(top, topString, top.length - lines[0].length, fold)), + to: Pos(line, adjustPos(orig, string, lastLine.length, fold))} + } + } + } + + function SearchCursor(doc, query, pos, options) { + this.atOccurrence = false + this.afterEmptyMatch = false + this.doc = doc + pos = pos ? doc.clipPos(pos) : Pos(0, 0) + this.pos = {from: pos, to: pos} + + var caseFold + if (typeof options == "object") { + caseFold = options.caseFold + } else { // Backwards compat for when caseFold was the 4th argument + caseFold = options + options = null + } + + if (typeof query == "string") { + if (caseFold == null) caseFold = false + this.matches = function(reverse, pos) { + return (reverse ? searchStringBackward : searchStringForward)(doc, query, pos, caseFold) + } + } else { + query = ensureFlags(query, "gm") + if (!options || options.multiline !== false) + this.matches = function(reverse, pos) { + return (reverse ? searchRegexpBackwardMultiline : searchRegexpForwardMultiline)(doc, query, pos) + } + else + this.matches = function(reverse, pos) { + return (reverse ? searchRegexpBackward : searchRegexpForward)(doc, query, pos) + } + } + } + + SearchCursor.prototype = { + findNext: function() {return this.find(false)}, + findPrevious: function() {return this.find(true)}, + + find: function(reverse) { + var head = this.doc.clipPos(reverse ? this.pos.from : this.pos.to); + if (this.afterEmptyMatch && this.atOccurrence) { + // do not return the same 0 width match twice + head = Pos(head.line, head.ch) + if (reverse) { + head.ch--; + if (head.ch < 0) { + head.line--; + head.ch = (this.doc.getLine(head.line) || "").length; + } + } else { + head.ch++; + if (head.ch > (this.doc.getLine(head.line) || "").length) { + head.ch = 0; + head.line++; + } + } + if (CodeMirror.cmpPos(head, this.doc.clipPos(head)) != 0) { + return this.atOccurrence = false + } + } + var result = this.matches(reverse, head) + this.afterEmptyMatch = result && CodeMirror.cmpPos(result.from, result.to) == 0 + + if (result) { + this.pos = result + this.atOccurrence = true + return this.pos.match || true + } else { + var end = Pos(reverse ? this.doc.firstLine() : this.doc.lastLine() + 1, 0) + this.pos = {from: end, to: end} + return this.atOccurrence = false + } + }, + + from: function() {if (this.atOccurrence) return this.pos.from}, + to: function() {if (this.atOccurrence) return this.pos.to}, + + replace: function(newText, origin) { + if (!this.atOccurrence) return + var lines = CodeMirror.splitLines(newText) + this.doc.replaceRange(lines, this.pos.from, this.pos.to, origin) + this.pos.to = Pos(this.pos.from.line + lines.length - 1, + lines[lines.length - 1].length + (lines.length == 1 ? this.pos.from.ch : 0)) + } + } + + CodeMirror.defineExtension("getSearchCursor", function(query, pos, caseFold) { + return new SearchCursor(this.doc, query, pos, caseFold) + }) + CodeMirror.defineDocExtension("getSearchCursor", function(query, pos, caseFold) { + return new SearchCursor(this, query, pos, caseFold) + }) + + CodeMirror.defineExtension("selectMatches", function(query, caseFold) { + var ranges = [] + var cur = this.getSearchCursor(query, this.getCursor("from"), caseFold) + while (cur.findNext()) { + if (CodeMirror.cmpPos(cur.to(), this.getCursor("to")) > 0) break + ranges.push({anchor: cur.from(), head: cur.to()}) + } + if (ranges.length) + this.setSelections(ranges, 0) + }) +}); diff --git a/web/static/js/keymap/vim.js b/web/static/js/keymap/vim.js new file mode 100644 index 0000000..218385a --- /dev/null +++ b/web/static/js/keymap/vim.js @@ -0,0 +1,5978 @@ +(function(mod) { + if (typeof exports == "object" && typeof module == "object") // CommonJS + mod(require("../lib/codemirror"), require("../addon/search/searchcursor"), require("../addon/dialog/dialog"), require("../addon/edit/matchbrackets.js")); + else if (typeof define == "function" && define.amd) // AMD + define(["../lib/codemirror", "../addon/search/searchcursor", "../addon/dialog/dialog", "../addon/edit/matchbrackets"], mod); + else // Plain browser env + mod(CodeMirror); + })(function(CodeMirror) { + 'use strict'; + // CodeMirror, copyright (c) by Marijn Haverbeke and others +// Distributed under an MIT license: https://codemirror.net/5/LICENSE + +/** + * Supported keybindings: + * Too many to list. Refer to defaultKeymap below. + * + * Supported Ex commands: + * Refer to defaultExCommandMap below. + * + * Registers: unnamed, -, ., :, /, _, a-z, A-Z, 0-9 + * (Does not respect the special case for number registers when delete + * operator is made with these commands: %, (, ), , /, ?, n, N, {, } ) + * TODO: Implement the remaining registers. + * + * Marks: a-z, A-Z, and 0-9 + * TODO: Implement the remaining special marks. They have more complex + * behavior. + * + * Events: + * 'vim-mode-change' - raised on the editor anytime the current mode changes, + * Event object: {mode: "visual", subMode: "linewise"} + * + * Code structure: + * 1. Default keymap + * 2. Variable declarations and short basic helpers + * 3. Instance (External API) implementation + * 4. Internal state tracking objects (input state, counter) implementation + * and instantiation + * 5. Key handler (the main command dispatcher) implementation + * 6. Motion, operator, and action implementations + * 7. Helper functions for the key handler, motions, operators, and actions + * 8. Set up Vim to work as a keymap for CodeMirror. + * 9. Ex command implementations. + */ + +function initVim$1(CodeMirror) { + + var Pos = CodeMirror.Pos; + + function transformCursor(cm, range) { + var vim = cm.state.vim; + if (!vim || vim.insertMode) return range.head; + var head = vim.sel.head; + if (!head) return range.head; + + if (vim.visualBlock) { + if (range.head.line != head.line) { + return; + } + } + if (range.from() == range.anchor && !range.empty()) { + if (range.head.line == head.line && range.head.ch != head.ch) + return new Pos(range.head.line, range.head.ch - 1); + } + + return range.head; + } + + var defaultKeymap = [ + // Key to key mapping. This goes first to make it possible to override + // existing mappings. + { keys: '', type: 'keyToKey', toKeys: 'h' }, + { keys: '', type: 'keyToKey', toKeys: 'l' }, + { keys: '', type: 'keyToKey', toKeys: 'k' }, + { keys: '', type: 'keyToKey', toKeys: 'j' }, + { keys: 'g', type: 'keyToKey', toKeys: 'gk' }, + { keys: 'g', type: 'keyToKey', toKeys: 'gj' }, + { keys: '', type: 'keyToKey', toKeys: 'l' }, + { keys: '', type: 'keyToKey', toKeys: 'h', context: 'normal'}, + { keys: '', type: 'keyToKey', toKeys: 'x', context: 'normal'}, + { keys: '', type: 'keyToKey', toKeys: 'W' }, + { keys: '', type: 'keyToKey', toKeys: 'B', context: 'normal' }, + { keys: '', type: 'keyToKey', toKeys: 'w' }, + { keys: '', type: 'keyToKey', toKeys: 'b', context: 'normal' }, + { keys: '', type: 'keyToKey', toKeys: 'j' }, + { keys: '', type: 'keyToKey', toKeys: 'k' }, + { keys: '', type: 'keyToKey', toKeys: '' }, + { keys: '', type: 'keyToKey', toKeys: '' }, + { keys: '', type: 'keyToKey', toKeys: '', context: 'insert' }, + { keys: '', type: 'keyToKey', toKeys: '', context: 'insert' }, + { keys: '', type: 'keyToKey', toKeys: '' }, // ipad keyboard sends C-Esc instead of C-[ + { keys: '', type: 'keyToKey', toKeys: '', context: 'insert' }, + { keys: 's', type: 'keyToKey', toKeys: 'cl', context: 'normal' }, + { keys: 's', type: 'keyToKey', toKeys: 'c', context: 'visual'}, + { keys: 'S', type: 'keyToKey', toKeys: 'cc', context: 'normal' }, + { keys: 'S', type: 'keyToKey', toKeys: 'VdO', context: 'visual' }, + { keys: '', type: 'keyToKey', toKeys: '0' }, + { keys: '', type: 'keyToKey', toKeys: '$' }, + { keys: '', type: 'keyToKey', toKeys: '' }, + { keys: '', type: 'keyToKey', toKeys: '' }, + { keys: '', type: 'keyToKey', toKeys: 'j^', context: 'normal' }, + { keys: '', type: 'keyToKey', toKeys: 'i', context: 'normal'}, + { keys: '', type: 'action', action: 'toggleOverwrite', context: 'insert' }, + // Motions + { keys: 'H', type: 'motion', motion: 'moveToTopLine', motionArgs: { linewise: true, toJumplist: true }}, + { keys: 'M', type: 'motion', motion: 'moveToMiddleLine', motionArgs: { linewise: true, toJumplist: true }}, + { keys: 'L', type: 'motion', motion: 'moveToBottomLine', motionArgs: { linewise: true, toJumplist: true }}, + { keys: 'h', type: 'motion', motion: 'moveByCharacters', motionArgs: { forward: false }}, + { keys: 'l', type: 'motion', motion: 'moveByCharacters', motionArgs: { forward: true }}, + { keys: 'j', type: 'motion', motion: 'moveByLines', motionArgs: { forward: true, linewise: true }}, + { keys: 'k', type: 'motion', motion: 'moveByLines', motionArgs: { forward: false, linewise: true }}, + { keys: 'gj', type: 'motion', motion: 'moveByDisplayLines', motionArgs: { forward: true }}, + { keys: 'gk', type: 'motion', motion: 'moveByDisplayLines', motionArgs: { forward: false }}, + { keys: 'w', type: 'motion', motion: 'moveByWords', motionArgs: { forward: true, wordEnd: false }}, + { keys: 'W', type: 'motion', motion: 'moveByWords', motionArgs: { forward: true, wordEnd: false, bigWord: true }}, + { keys: 'e', type: 'motion', motion: 'moveByWords', motionArgs: { forward: true, wordEnd: true, inclusive: true }}, + { keys: 'E', type: 'motion', motion: 'moveByWords', motionArgs: { forward: true, wordEnd: true, bigWord: true, inclusive: true }}, + { keys: 'b', type: 'motion', motion: 'moveByWords', motionArgs: { forward: false, wordEnd: false }}, + { keys: 'B', type: 'motion', motion: 'moveByWords', motionArgs: { forward: false, wordEnd: false, bigWord: true }}, + { keys: 'ge', type: 'motion', motion: 'moveByWords', motionArgs: { forward: false, wordEnd: true, inclusive: true }}, + { keys: 'gE', type: 'motion', motion: 'moveByWords', motionArgs: { forward: false, wordEnd: true, bigWord: true, inclusive: true }}, + { keys: '{', type: 'motion', motion: 'moveByParagraph', motionArgs: { forward: false, toJumplist: true }}, + { keys: '}', type: 'motion', motion: 'moveByParagraph', motionArgs: { forward: true, toJumplist: true }}, + { keys: '(', type: 'motion', motion: 'moveBySentence', motionArgs: { forward: false }}, + { keys: ')', type: 'motion', motion: 'moveBySentence', motionArgs: { forward: true }}, + { keys: '', type: 'motion', motion: 'moveByPage', motionArgs: { forward: true }}, + { keys: '', type: 'motion', motion: 'moveByPage', motionArgs: { forward: false }}, + { keys: '', type: 'motion', motion: 'moveByScroll', motionArgs: { forward: true, explicitRepeat: true }}, + { keys: '', type: 'motion', motion: 'moveByScroll', motionArgs: { forward: false, explicitRepeat: true }}, + { keys: 'gg', type: 'motion', motion: 'moveToLineOrEdgeOfDocument', motionArgs: { forward: false, explicitRepeat: true, linewise: true, toJumplist: true }}, + { keys: 'G', type: 'motion', motion: 'moveToLineOrEdgeOfDocument', motionArgs: { forward: true, explicitRepeat: true, linewise: true, toJumplist: true }}, + {keys: "g$", type: "motion", motion: "moveToEndOfDisplayLine"}, + {keys: "g^", type: "motion", motion: "moveToStartOfDisplayLine"}, + {keys: "g0", type: "motion", motion: "moveToStartOfDisplayLine"}, + { keys: '0', type: 'motion', motion: 'moveToStartOfLine' }, + { keys: '^', type: 'motion', motion: 'moveToFirstNonWhiteSpaceCharacter' }, + { keys: '+', type: 'motion', motion: 'moveByLines', motionArgs: { forward: true, toFirstChar:true }}, + { keys: '-', type: 'motion', motion: 'moveByLines', motionArgs: { forward: false, toFirstChar:true }}, + { keys: '_', type: 'motion', motion: 'moveByLines', motionArgs: { forward: true, toFirstChar:true, repeatOffset:-1 }}, + { keys: '$', type: 'motion', motion: 'moveToEol', motionArgs: { inclusive: true }}, + { keys: '%', type: 'motion', motion: 'moveToMatchedSymbol', motionArgs: { inclusive: true, toJumplist: true }}, + { keys: 'f', type: 'motion', motion: 'moveToCharacter', motionArgs: { forward: true , inclusive: true }}, + { keys: 'F', type: 'motion', motion: 'moveToCharacter', motionArgs: { forward: false }}, + { keys: 't', type: 'motion', motion: 'moveTillCharacter', motionArgs: { forward: true, inclusive: true }}, + { keys: 'T', type: 'motion', motion: 'moveTillCharacter', motionArgs: { forward: false }}, + { keys: ';', type: 'motion', motion: 'repeatLastCharacterSearch', motionArgs: { forward: true }}, + { keys: ',', type: 'motion', motion: 'repeatLastCharacterSearch', motionArgs: { forward: false }}, + { keys: '\'', type: 'motion', motion: 'goToMark', motionArgs: {toJumplist: true, linewise: true}}, + { keys: '`', type: 'motion', motion: 'goToMark', motionArgs: {toJumplist: true}}, + { keys: ']`', type: 'motion', motion: 'jumpToMark', motionArgs: { forward: true } }, + { keys: '[`', type: 'motion', motion: 'jumpToMark', motionArgs: { forward: false } }, + { keys: ']\'', type: 'motion', motion: 'jumpToMark', motionArgs: { forward: true, linewise: true } }, + { keys: '[\'', type: 'motion', motion: 'jumpToMark', motionArgs: { forward: false, linewise: true } }, + // the next two aren't motions but must come before more general motion declarations + { keys: ']p', type: 'action', action: 'paste', isEdit: true, actionArgs: { after: true, isEdit: true, matchIndent: true}}, + { keys: '[p', type: 'action', action: 'paste', isEdit: true, actionArgs: { after: false, isEdit: true, matchIndent: true}}, + { keys: ']', type: 'motion', motion: 'moveToSymbol', motionArgs: { forward: true, toJumplist: true}}, + { keys: '[', type: 'motion', motion: 'moveToSymbol', motionArgs: { forward: false, toJumplist: true}}, + { keys: '|', type: 'motion', motion: 'moveToColumn'}, + { keys: 'o', type: 'motion', motion: 'moveToOtherHighlightedEnd', context:'visual'}, + { keys: 'O', type: 'motion', motion: 'moveToOtherHighlightedEnd', motionArgs: {sameLine: true}, context:'visual'}, + // Operators + { keys: 'd', type: 'operator', operator: 'delete' }, + { keys: 'y', type: 'operator', operator: 'yank' }, + { keys: 'c', type: 'operator', operator: 'change' }, + { keys: '=', type: 'operator', operator: 'indentAuto' }, + { keys: '>', type: 'operator', operator: 'indent', operatorArgs: { indentRight: true }}, + { keys: '<', type: 'operator', operator: 'indent', operatorArgs: { indentRight: false }}, + { keys: 'g~', type: 'operator', operator: 'changeCase' }, + { keys: 'gu', type: 'operator', operator: 'changeCase', operatorArgs: {toLower: true}, isEdit: true }, + { keys: 'gU', type: 'operator', operator: 'changeCase', operatorArgs: {toLower: false}, isEdit: true }, + { keys: 'n', type: 'motion', motion: 'findNext', motionArgs: { forward: true, toJumplist: true }}, + { keys: 'N', type: 'motion', motion: 'findNext', motionArgs: { forward: false, toJumplist: true }}, + { keys: 'gn', type: 'motion', motion: 'findAndSelectNextInclusive', motionArgs: { forward: true }}, + { keys: 'gN', type: 'motion', motion: 'findAndSelectNextInclusive', motionArgs: { forward: false }}, + // Operator-Motion dual commands + { keys: 'x', type: 'operatorMotion', operator: 'delete', motion: 'moveByCharacters', motionArgs: { forward: true }, operatorMotionArgs: { visualLine: false }}, + { keys: 'X', type: 'operatorMotion', operator: 'delete', motion: 'moveByCharacters', motionArgs: { forward: false }, operatorMotionArgs: { visualLine: true }}, + { keys: 'D', type: 'operatorMotion', operator: 'delete', motion: 'moveToEol', motionArgs: { inclusive: true }, context: 'normal'}, + { keys: 'D', type: 'operator', operator: 'delete', operatorArgs: { linewise: true }, context: 'visual'}, + { keys: 'Y', type: 'operatorMotion', operator: 'yank', motion: 'expandToLine', motionArgs: { linewise: true }, context: 'normal'}, + { keys: 'Y', type: 'operator', operator: 'yank', operatorArgs: { linewise: true }, context: 'visual'}, + { keys: 'C', type: 'operatorMotion', operator: 'change', motion: 'moveToEol', motionArgs: { inclusive: true }, context: 'normal'}, + { keys: 'C', type: 'operator', operator: 'change', operatorArgs: { linewise: true }, context: 'visual'}, + { keys: '~', type: 'operatorMotion', operator: 'changeCase', motion: 'moveByCharacters', motionArgs: { forward: true }, operatorArgs: { shouldMoveCursor: true }, context: 'normal'}, + { keys: '~', type: 'operator', operator: 'changeCase', context: 'visual'}, + { keys: '', type: 'operatorMotion', operator: 'delete', motion: 'moveToStartOfLine', context: 'insert' }, + { keys: '', type: 'operatorMotion', operator: 'delete', motion: 'moveByWords', motionArgs: { forward: false, wordEnd: false }, context: 'insert' }, + //ignore C-w in normal mode + { keys: '', type: 'idle', context: 'normal' }, + // Actions + { keys: '', type: 'action', action: 'jumpListWalk', actionArgs: { forward: true }}, + { keys: '', type: 'action', action: 'jumpListWalk', actionArgs: { forward: false }}, + { keys: '', type: 'action', action: 'scroll', actionArgs: { forward: true, linewise: true }}, + { keys: '', type: 'action', action: 'scroll', actionArgs: { forward: false, linewise: true }}, + { keys: 'a', type: 'action', action: 'enterInsertMode', isEdit: true, actionArgs: { insertAt: 'charAfter' }, context: 'normal' }, + { keys: 'A', type: 'action', action: 'enterInsertMode', isEdit: true, actionArgs: { insertAt: 'eol' }, context: 'normal' }, + { keys: 'A', type: 'action', action: 'enterInsertMode', isEdit: true, actionArgs: { insertAt: 'endOfSelectedArea' }, context: 'visual' }, + { keys: 'i', type: 'action', action: 'enterInsertMode', isEdit: true, actionArgs: { insertAt: 'inplace' }, context: 'normal' }, + { keys: 'gi', type: 'action', action: 'enterInsertMode', isEdit: true, actionArgs: { insertAt: 'lastEdit' }, context: 'normal' }, + { keys: 'I', type: 'action', action: 'enterInsertMode', isEdit: true, actionArgs: { insertAt: 'firstNonBlank'}, context: 'normal' }, + { keys: 'gI', type: 'action', action: 'enterInsertMode', isEdit: true, actionArgs: { insertAt: 'bol'}, context: 'normal' }, + { keys: 'I', type: 'action', action: 'enterInsertMode', isEdit: true, actionArgs: { insertAt: 'startOfSelectedArea' }, context: 'visual' }, + { keys: 'o', type: 'action', action: 'newLineAndEnterInsertMode', isEdit: true, interlaceInsertRepeat: true, actionArgs: { after: true }, context: 'normal' }, + { keys: 'O', type: 'action', action: 'newLineAndEnterInsertMode', isEdit: true, interlaceInsertRepeat: true, actionArgs: { after: false }, context: 'normal' }, + { keys: 'v', type: 'action', action: 'toggleVisualMode' }, + { keys: 'V', type: 'action', action: 'toggleVisualMode', actionArgs: { linewise: true }}, + { keys: '', type: 'action', action: 'toggleVisualMode', actionArgs: { blockwise: true }}, + { keys: '', type: 'action', action: 'toggleVisualMode', actionArgs: { blockwise: true }}, + { keys: 'gv', type: 'action', action: 'reselectLastSelection' }, + { keys: 'J', type: 'action', action: 'joinLines', isEdit: true }, + { keys: 'gJ', type: 'action', action: 'joinLines', actionArgs: { keepSpaces: true }, isEdit: true }, + { keys: 'p', type: 'action', action: 'paste', isEdit: true, actionArgs: { after: true, isEdit: true }}, + { keys: 'P', type: 'action', action: 'paste', isEdit: true, actionArgs: { after: false, isEdit: true }}, + { keys: 'r', type: 'action', action: 'replace', isEdit: true }, + { keys: '@', type: 'action', action: 'replayMacro' }, + { keys: 'q', type: 'action', action: 'enterMacroRecordMode' }, + // Handle Replace-mode as a special case of insert mode. + { keys: 'R', type: 'action', action: 'enterInsertMode', isEdit: true, actionArgs: { replace: true }, context: 'normal'}, + { keys: 'R', type: 'operator', operator: 'change', operatorArgs: { linewise: true, fullLine: true }, context: 'visual', exitVisualBlock: true}, + { keys: 'u', type: 'action', action: 'undo', context: 'normal' }, + { keys: 'u', type: 'operator', operator: 'changeCase', operatorArgs: {toLower: true}, context: 'visual', isEdit: true }, + { keys: 'U', type: 'operator', operator: 'changeCase', operatorArgs: {toLower: false}, context: 'visual', isEdit: true }, + { keys: '', type: 'action', action: 'redo' }, + { keys: 'm', type: 'action', action: 'setMark' }, + { keys: '"', type: 'action', action: 'setRegister' }, + { keys: 'zz', type: 'action', action: 'scrollToCursor', actionArgs: { position: 'center' }}, + { keys: 'z.', type: 'action', action: 'scrollToCursor', actionArgs: { position: 'center' }, motion: 'moveToFirstNonWhiteSpaceCharacter' }, + { keys: 'zt', type: 'action', action: 'scrollToCursor', actionArgs: { position: 'top' }}, + { keys: 'z', type: 'action', action: 'scrollToCursor', actionArgs: { position: 'top' }, motion: 'moveToFirstNonWhiteSpaceCharacter' }, + { keys: 'zb', type: 'action', action: 'scrollToCursor', actionArgs: { position: 'bottom' }}, + { keys: 'z-', type: 'action', action: 'scrollToCursor', actionArgs: { position: 'bottom' }, motion: 'moveToFirstNonWhiteSpaceCharacter' }, + { keys: '.', type: 'action', action: 'repeatLastEdit' }, + { keys: '', type: 'action', action: 'incrementNumberToken', isEdit: true, actionArgs: {increase: true, backtrack: false}}, + { keys: '', type: 'action', action: 'incrementNumberToken', isEdit: true, actionArgs: {increase: false, backtrack: false}}, + { keys: '', type: 'action', action: 'indent', actionArgs: { indentRight: true }, context: 'insert' }, + { keys: '', type: 'action', action: 'indent', actionArgs: { indentRight: false }, context: 'insert' }, + // Text object motions + { keys: 'a', type: 'motion', motion: 'textObjectManipulation' }, + { keys: 'i', type: 'motion', motion: 'textObjectManipulation', motionArgs: { textObjectInner: true }}, + // Search + { keys: '/', type: 'search', searchArgs: { forward: true, querySrc: 'prompt', toJumplist: true }}, + { keys: '?', type: 'search', searchArgs: { forward: false, querySrc: 'prompt', toJumplist: true }}, + { keys: '*', type: 'search', searchArgs: { forward: true, querySrc: 'wordUnderCursor', wholeWordOnly: true, toJumplist: true }}, + { keys: '#', type: 'search', searchArgs: { forward: false, querySrc: 'wordUnderCursor', wholeWordOnly: true, toJumplist: true }}, + { keys: 'g*', type: 'search', searchArgs: { forward: true, querySrc: 'wordUnderCursor', toJumplist: true }}, + { keys: 'g#', type: 'search', searchArgs: { forward: false, querySrc: 'wordUnderCursor', toJumplist: true }}, + // Ex command + { keys: ':', type: 'ex' } + ]; + var defaultKeymapLength = defaultKeymap.length; + + /** + * Ex commands + * Care must be taken when adding to the default Ex command map. For any + * pair of commands that have a shared prefix, at least one of their + * shortNames must not match the prefix of the other command. + */ + var defaultExCommandMap = [ + { name: 'colorscheme', shortName: 'colo' }, + { name: 'map' }, + { name: 'imap', shortName: 'im' }, + { name: 'nmap', shortName: 'nm' }, + { name: 'vmap', shortName: 'vm' }, + { name: 'unmap' }, + { name: 'write', shortName: 'w' }, + { name: 'undo', shortName: 'u' }, + { name: 'redo', shortName: 'red' }, + { name: 'set', shortName: 'se' }, + { name: 'setlocal', shortName: 'setl' }, + { name: 'setglobal', shortName: 'setg' }, + { name: 'sort', shortName: 'sor' }, + { name: 'substitute', shortName: 's', possiblyAsync: true }, + { name: 'nohlsearch', shortName: 'noh' }, + { name: 'yank', shortName: 'y' }, + { name: 'delmarks', shortName: 'delm' }, + { name: 'registers', shortName: 'reg', excludeFromCommandHistory: true }, + { name: 'vglobal', shortName: 'v' }, + { name: 'global', shortName: 'g' } + ]; + + function enterVimMode(cm) { + cm.setOption('disableInput', true); + cm.setOption('showCursorWhenSelecting', false); + CodeMirror.signal(cm, "vim-mode-change", {mode: "normal"}); + cm.on('cursorActivity', onCursorActivity); + maybeInitVimState(cm); + CodeMirror.on(cm.getInputField(), 'paste', getOnPasteFn(cm)); + } + + function leaveVimMode(cm) { + cm.setOption('disableInput', false); + cm.off('cursorActivity', onCursorActivity); + CodeMirror.off(cm.getInputField(), 'paste', getOnPasteFn(cm)); + cm.state.vim = null; + if (highlightTimeout) clearTimeout(highlightTimeout); + } + + function detachVimMap(cm, next) { + if (this == CodeMirror.keyMap.vim) { + cm.options.$customCursor = null; + CodeMirror.rmClass(cm.getWrapperElement(), "cm-fat-cursor"); + } + + if (!next || next.attach != attachVimMap) + leaveVimMode(cm); + } + function attachVimMap(cm, prev) { + if (this == CodeMirror.keyMap.vim) { + if (cm.curOp) cm.curOp.selectionChanged = true; + cm.options.$customCursor = transformCursor; + CodeMirror.addClass(cm.getWrapperElement(), "cm-fat-cursor"); + } + + if (!prev || prev.attach != attachVimMap) + enterVimMode(cm); + } + + // Deprecated, simply setting the keymap works again. + CodeMirror.defineOption('vimMode', false, function(cm, val, prev) { + if (val && cm.getOption("keyMap") != "vim") + cm.setOption("keyMap", "vim"); + else if (!val && prev != CodeMirror.Init && /^vim/.test(cm.getOption("keyMap"))) + cm.setOption("keyMap", "default"); + }); + + function cmKey(key, cm) { + if (!cm) { return undefined; } + if (this[key]) { return this[key]; } + var vimKey = cmKeyToVimKey(key); + if (!vimKey) { + return false; + } + var cmd = vimApi.findKey(cm, vimKey); + if (typeof cmd == 'function') { + CodeMirror.signal(cm, 'vim-keypress', vimKey); + } + return cmd; + } + + var modifiers = {Shift:'S',Ctrl:'C',Alt:'A',Cmd:'D',Mod:'A',CapsLock:''}; + var specialKeys = {Enter:'CR',Backspace:'BS',Delete:'Del',Insert:'Ins'}; + function cmKeyToVimKey(key) { + if (key.charAt(0) == '\'') { + // Keypress character binding of format "'a'" + return key.charAt(1); + } + var pieces = key.split(/-(?!$)/); + var lastPiece = pieces[pieces.length - 1]; + if (pieces.length == 1 && pieces[0].length == 1) { + // No-modifier bindings use literal character bindings above. Skip. + return false; + } else if (pieces.length == 2 && pieces[0] == 'Shift' && lastPiece.length == 1) { + // Ignore Shift+char bindings as they should be handled by literal character. + return false; + } + var hasCharacter = false; + for (var i = 0; i < pieces.length; i++) { + var piece = pieces[i]; + if (piece in modifiers) { pieces[i] = modifiers[piece]; } + else { hasCharacter = true; } + if (piece in specialKeys) { pieces[i] = specialKeys[piece]; } + } + if (!hasCharacter) { + // Vim does not support modifier only keys. + return false; + } + // TODO: Current bindings expect the character to be lower case, but + // it looks like vim key notation uses upper case. + if (isUpperCase(lastPiece)) { + pieces[pieces.length - 1] = lastPiece.toLowerCase(); + } + return '<' + pieces.join('-') + '>'; + } + + function getOnPasteFn(cm) { + var vim = cm.state.vim; + if (!vim.onPasteFn) { + vim.onPasteFn = function() { + if (!vim.insertMode) { + cm.setCursor(offsetCursor(cm.getCursor(), 0, 1)); + actions.enterInsertMode(cm, {}, vim); + } + }; + } + return vim.onPasteFn; + } + + var numberRegex = /[\d]/; + var wordCharTest = [CodeMirror.isWordChar, function(ch) { + return ch && !CodeMirror.isWordChar(ch) && !/\s/.test(ch); + }], bigWordCharTest = [function(ch) { + return /\S/.test(ch); + }]; + function makeKeyRange(start, size) { + var keys = []; + for (var i = start; i < start + size; i++) { + keys.push(String.fromCharCode(i)); + } + return keys; + } + var upperCaseAlphabet = makeKeyRange(65, 26); + var lowerCaseAlphabet = makeKeyRange(97, 26); + var numbers = makeKeyRange(48, 10); + var validMarks = [].concat(upperCaseAlphabet, lowerCaseAlphabet, numbers, ['<', '>']); + var validRegisters = [].concat(upperCaseAlphabet, lowerCaseAlphabet, numbers, ['-', '"', '.', ':', '_', '/']); + var upperCaseChars; + try { upperCaseChars = new RegExp("^[\\p{Lu}]$", "u"); } + catch (_) { upperCaseChars = /^[A-Z]$/; } + + function isLine(cm, line) { + return line >= cm.firstLine() && line <= cm.lastLine(); + } + function isLowerCase(k) { + return (/^[a-z]$/).test(k); + } + function isMatchableSymbol(k) { + return '()[]{}'.indexOf(k) != -1; + } + function isNumber(k) { + return numberRegex.test(k); + } + function isUpperCase(k) { + return upperCaseChars.test(k); + } + function isWhiteSpaceString(k) { + return (/^\s*$/).test(k); + } + function isEndOfSentenceSymbol(k) { + return '.?!'.indexOf(k) != -1; + } + function inArray(val, arr) { + for (var i = 0; i < arr.length; i++) { + if (arr[i] == val) { + return true; + } + } + return false; + } + + var options = {}; + function defineOption(name, defaultValue, type, aliases, callback) { + if (defaultValue === undefined && !callback) { + throw Error('defaultValue is required unless callback is provided'); + } + if (!type) { type = 'string'; } + options[name] = { + type: type, + defaultValue: defaultValue, + callback: callback + }; + if (aliases) { + for (var i = 0; i < aliases.length; i++) { + options[aliases[i]] = options[name]; + } + } + if (defaultValue) { + setOption(name, defaultValue); + } + } + + function setOption(name, value, cm, cfg) { + var option = options[name]; + cfg = cfg || {}; + var scope = cfg.scope; + if (!option) { + return new Error('Unknown option: ' + name); + } + if (option.type == 'boolean') { + if (value && value !== true) { + return new Error('Invalid argument: ' + name + '=' + value); + } else if (value !== false) { + // Boolean options are set to true if value is not defined. + value = true; + } + } + if (option.callback) { + if (scope !== 'local') { + option.callback(value, undefined); + } + if (scope !== 'global' && cm) { + option.callback(value, cm); + } + } else { + if (scope !== 'local') { + option.value = option.type == 'boolean' ? !!value : value; + } + if (scope !== 'global' && cm) { + cm.state.vim.options[name] = {value: value}; + } + } + } + + function getOption(name, cm, cfg) { + var option = options[name]; + cfg = cfg || {}; + var scope = cfg.scope; + if (!option) { + return new Error('Unknown option: ' + name); + } + if (option.callback) { + var local = cm && option.callback(undefined, cm); + if (scope !== 'global' && local !== undefined) { + return local; + } + if (scope !== 'local') { + return option.callback(); + } + return; + } else { + var local = (scope !== 'global') && (cm && cm.state.vim.options[name]); + return (local || (scope !== 'local') && option || {}).value; + } + } + + defineOption('filetype', undefined, 'string', ['ft'], function(name, cm) { + // Option is local. Do nothing for global. + if (cm === undefined) { + return; + } + // The 'filetype' option proxies to the CodeMirror 'mode' option. + if (name === undefined) { + var mode = cm.getOption('mode'); + return mode == 'null' ? '' : mode; + } else { + var mode = name == '' ? 'null' : name; + cm.setOption('mode', mode); + } + }); + + var createCircularJumpList = function() { + var size = 100; + var pointer = -1; + var head = 0; + var tail = 0; + var buffer = new Array(size); + function add(cm, oldCur, newCur) { + var current = pointer % size; + var curMark = buffer[current]; + function useNextSlot(cursor) { + var next = ++pointer % size; + var trashMark = buffer[next]; + if (trashMark) { + trashMark.clear(); + } + buffer[next] = cm.setBookmark(cursor); + } + if (curMark) { + var markPos = curMark.find(); + // avoid recording redundant cursor position + if (markPos && !cursorEqual(markPos, oldCur)) { + useNextSlot(oldCur); + } + } else { + useNextSlot(oldCur); + } + useNextSlot(newCur); + head = pointer; + tail = pointer - size + 1; + if (tail < 0) { + tail = 0; + } + } + function move(cm, offset) { + pointer += offset; + if (pointer > head) { + pointer = head; + } else if (pointer < tail) { + pointer = tail; + } + var mark = buffer[(size + pointer) % size]; + // skip marks that are temporarily removed from text buffer + if (mark && !mark.find()) { + var inc = offset > 0 ? 1 : -1; + var newCur; + var oldCur = cm.getCursor(); + do { + pointer += inc; + mark = buffer[(size + pointer) % size]; + // skip marks that are the same as current position + if (mark && + (newCur = mark.find()) && + !cursorEqual(oldCur, newCur)) { + break; + } + } while (pointer < head && pointer > tail); + } + return mark; + } + function find(cm, offset) { + var oldPointer = pointer; + var mark = move(cm, offset); + pointer = oldPointer; + return mark && mark.find(); + } + return { + cachedCursor: undefined, //used for # and * jumps + add: add, + find: find, + move: move + }; + }; + + // Returns an object to track the changes associated insert mode. It + // clones the object that is passed in, or creates an empty object one if + // none is provided. + var createInsertModeChanges = function(c) { + if (c) { + // Copy construction + return { + changes: c.changes, + expectCursorActivityForChange: c.expectCursorActivityForChange + }; + } + return { + // Change list + changes: [], + // Set to true on change, false on cursorActivity. + expectCursorActivityForChange: false + }; + }; + + function MacroModeState() { + this.latestRegister = undefined; + this.isPlaying = false; + this.isRecording = false; + this.replaySearchQueries = []; + this.onRecordingDone = undefined; + this.lastInsertModeChanges = createInsertModeChanges(); + } + MacroModeState.prototype = { + exitMacroRecordMode: function() { + var macroModeState = vimGlobalState.macroModeState; + if (macroModeState.onRecordingDone) { + macroModeState.onRecordingDone(); // close dialog + } + macroModeState.onRecordingDone = undefined; + macroModeState.isRecording = false; + }, + enterMacroRecordMode: function(cm, registerName) { + var register = + vimGlobalState.registerController.getRegister(registerName); + if (register) { + register.clear(); + this.latestRegister = registerName; + if (cm.openDialog) { + var template = dom('span', {class: 'cm-vim-message'}, 'recording @' + registerName); + this.onRecordingDone = cm.openDialog(template, null, {bottom:true}); + } + this.isRecording = true; + } + } + }; + + function maybeInitVimState(cm) { + if (!cm.state.vim) { + // Store instance state in the CodeMirror object. + cm.state.vim = { + inputState: new InputState(), + // Vim's input state that triggered the last edit, used to repeat + // motions and operators with '.'. + lastEditInputState: undefined, + // Vim's action command before the last edit, used to repeat actions + // with '.' and insert mode repeat. + lastEditActionCommand: undefined, + // When using jk for navigation, if you move from a longer line to a + // shorter line, the cursor may clip to the end of the shorter line. + // If j is pressed again and cursor goes to the next line, the + // cursor should go back to its horizontal position on the longer + // line if it can. This is to keep track of the horizontal position. + lastHPos: -1, + // Doing the same with screen-position for gj/gk + lastHSPos: -1, + // The last motion command run. Cleared if a non-motion command gets + // executed in between. + lastMotion: null, + marks: {}, + insertMode: false, + // Repeat count for changes made in insert mode, triggered by key + // sequences like 3,i. Only exists when insertMode is true. + insertModeRepeat: undefined, + visualMode: false, + // If we are in visual line mode. No effect if visualMode is false. + visualLine: false, + visualBlock: false, + lastSelection: null, + lastPastedText: null, + sel: {}, + // Buffer-local/window-local values of vim options. + options: {} + }; + } + return cm.state.vim; + } + var vimGlobalState; + function resetVimGlobalState() { + vimGlobalState = { + // The current search query. + searchQuery: null, + // Whether we are searching backwards. + searchIsReversed: false, + // Replace part of the last substituted pattern + lastSubstituteReplacePart: undefined, + jumpList: createCircularJumpList(), + macroModeState: new MacroModeState, + // Recording latest f, t, F or T motion command. + lastCharacterSearch: {increment:0, forward:true, selectedCharacter:''}, + registerController: new RegisterController({}), + // search history buffer + searchHistoryController: new HistoryController(), + // ex Command history buffer + exCommandHistoryController : new HistoryController() + }; + for (var optionName in options) { + var option = options[optionName]; + option.value = option.defaultValue; + } + } + + var lastInsertModeKeyTimer; + var vimApi = { + enterVimMode: enterVimMode, + buildKeyMap: function() { + // TODO: Convert keymap into dictionary format for fast lookup. + }, + // Testing hook, though it might be useful to expose the register + // controller anyway. + getRegisterController: function() { + return vimGlobalState.registerController; + }, + // Testing hook. + resetVimGlobalState_: resetVimGlobalState, + + // Testing hook. + getVimGlobalState_: function() { + return vimGlobalState; + }, + + // Testing hook. + maybeInitVimState_: maybeInitVimState, + + suppressErrorLogging: false, + + InsertModeKey: InsertModeKey, + map: function(lhs, rhs, ctx) { + // Add user defined key bindings. + exCommandDispatcher.map(lhs, rhs, ctx); + }, + unmap: function(lhs, ctx) { + return exCommandDispatcher.unmap(lhs, ctx); + }, + // Non-recursive map function. + // NOTE: This will not create mappings to key maps that aren't present + // in the default key map. See TODO at bottom of function. + noremap: function(lhs, rhs, ctx) { + function toCtxArray(ctx) { + return ctx ? [ctx] : ['normal', 'insert', 'visual']; + } + var ctxsToMap = toCtxArray(ctx); + // Look through all actual defaults to find a map candidate. + var actualLength = defaultKeymap.length, origLength = defaultKeymapLength; + for (var i = actualLength - origLength; + i < actualLength && ctxsToMap.length; + i++) { + var mapping = defaultKeymap[i]; + // Omit mappings that operate in the wrong context(s) and those of invalid type. + if (mapping.keys == rhs && + (!ctx || !mapping.context || mapping.context === ctx) && + mapping.type.substr(0, 2) !== 'ex' && + mapping.type.substr(0, 3) !== 'key') { + // Make a shallow copy of the original keymap entry. + var newMapping = {}; + for (var key in mapping) { + newMapping[key] = mapping[key]; + } + // Modify it point to the new mapping with the proper context. + newMapping.keys = lhs; + if (ctx && !newMapping.context) { + newMapping.context = ctx; + } + // Add it to the keymap with a higher priority than the original. + this._mapCommand(newMapping); + // Record the mapped contexts as complete. + var mappedCtxs = toCtxArray(mapping.context); + ctxsToMap = ctxsToMap.filter(function(el) { return mappedCtxs.indexOf(el) === -1; }); + } + } + // TODO: Create non-recursive keyToKey mappings for the unmapped contexts once those exist. + }, + // Remove all user-defined mappings for the provided context. + mapclear: function(ctx) { + // Partition the existing keymap into user-defined and true defaults. + var actualLength = defaultKeymap.length, + origLength = defaultKeymapLength; + var userKeymap = defaultKeymap.slice(0, actualLength - origLength); + defaultKeymap = defaultKeymap.slice(actualLength - origLength); + if (ctx) { + // If a specific context is being cleared, we need to keep mappings + // from all other contexts. + for (var i = userKeymap.length - 1; i >= 0; i--) { + var mapping = userKeymap[i]; + if (ctx !== mapping.context) { + if (mapping.context) { + this._mapCommand(mapping); + } else { + // `mapping` applies to all contexts so create keymap copies + // for each context except the one being cleared. + var contexts = ['normal', 'insert', 'visual']; + for (var j in contexts) { + if (contexts[j] !== ctx) { + var newMapping = {}; + for (var key in mapping) { + newMapping[key] = mapping[key]; + } + newMapping.context = contexts[j]; + this._mapCommand(newMapping); + } + } + } + } + } + } + }, + // TODO: Expose setOption and getOption as instance methods. Need to decide how to namespace + // them, or somehow make them work with the existing CodeMirror setOption/getOption API. + setOption: setOption, + getOption: getOption, + defineOption: defineOption, + defineEx: function(name, prefix, func){ + if (!prefix) { + prefix = name; + } else if (name.indexOf(prefix) !== 0) { + throw new Error('(Vim.defineEx) "'+prefix+'" is not a prefix of "'+name+'", command not registered'); + } + exCommands[name]=func; + exCommandDispatcher.commandMap_[prefix]={name:name, shortName:prefix, type:'api'}; + }, + handleKey: function (cm, key, origin) { + var command = this.findKey(cm, key, origin); + if (typeof command === 'function') { + return command(); + } + }, + multiSelectHandleKey: multiSelectHandleKey, + + /** + * This is the outermost function called by CodeMirror, after keys have + * been mapped to their Vim equivalents. + * + * Finds a command based on the key (and cached keys if there is a + * multi-key sequence). Returns `undefined` if no key is matched, a noop + * function if a partial match is found (multi-key), and a function to + * execute the bound command if a a key is matched. The function always + * returns true. + */ + findKey: function(cm, key, origin) { + var vim = maybeInitVimState(cm); + function handleMacroRecording() { + var macroModeState = vimGlobalState.macroModeState; + if (macroModeState.isRecording) { + if (key == 'q') { + macroModeState.exitMacroRecordMode(); + clearInputState(cm); + return true; + } + if (origin != 'mapping') { + logKey(macroModeState, key); + } + } + } + function handleEsc() { + if (key == '') { + if (vim.visualMode) { + // Get back to normal mode. + exitVisualMode(cm); + } else if (vim.insertMode) { + // Get back to normal mode. + exitInsertMode(cm); + } else { + // We're already in normal mode. Let '' be handled normally. + return; + } + clearInputState(cm); + return true; + } + } + function doKeyToKey(keys) { + // TODO: prevent infinite recursion. + var match; + while (keys) { + // Pull off one command key, which is either a single character + // or a special sequence wrapped in '<' and '>', e.g. ''. + match = (/<\w+-.+?>|<\w+>|./).exec(keys); + key = match[0]; + keys = keys.substring(match.index + key.length); + vimApi.handleKey(cm, key, 'mapping'); + } + } + + function handleKeyInsertMode() { + if (handleEsc()) { return true; } + var keys = vim.inputState.keyBuffer = vim.inputState.keyBuffer + key; + var keysAreChars = key.length == 1; + var match = commandDispatcher.matchCommand(keys, defaultKeymap, vim.inputState, 'insert'); + // Need to check all key substrings in insert mode. + while (keys.length > 1 && match.type != 'full') { + var keys = vim.inputState.keyBuffer = keys.slice(1); + var thisMatch = commandDispatcher.matchCommand(keys, defaultKeymap, vim.inputState, 'insert'); + if (thisMatch.type != 'none') { match = thisMatch; } + } + if (match.type == 'none') { clearInputState(cm); return false; } + else if (match.type == 'partial') { + if (lastInsertModeKeyTimer) { window.clearTimeout(lastInsertModeKeyTimer); } + lastInsertModeKeyTimer = window.setTimeout( + function() { if (vim.insertMode && vim.inputState.keyBuffer) { clearInputState(cm); } }, + getOption('insertModeEscKeysTimeout')); + return !keysAreChars; + } + + if (lastInsertModeKeyTimer) { window.clearTimeout(lastInsertModeKeyTimer); } + if (keysAreChars) { + var selections = cm.listSelections(); + for (var i = 0; i < selections.length; i++) { + var here = selections[i].head; + cm.replaceRange('', offsetCursor(here, 0, -(keys.length - 1)), here, '+input'); + } + vimGlobalState.macroModeState.lastInsertModeChanges.changes.pop(); + } + clearInputState(cm); + return match.command; + } + + function handleKeyNonInsertMode() { + if (handleMacroRecording() || handleEsc()) { return true; } + + var keys = vim.inputState.keyBuffer = vim.inputState.keyBuffer + key; + if (/^[1-9]\d*$/.test(keys)) { return true; } + + var keysMatcher = /^(\d*)(.*)$/.exec(keys); + if (!keysMatcher) { clearInputState(cm); return false; } + var context = vim.visualMode ? 'visual' : + 'normal'; + var mainKey = keysMatcher[2] || keysMatcher[1]; + if (vim.inputState.operatorShortcut && vim.inputState.operatorShortcut.slice(-1) == mainKey) { + // multikey operators act linewise by repeating only the last character + mainKey = vim.inputState.operatorShortcut; + } + var match = commandDispatcher.matchCommand(mainKey, defaultKeymap, vim.inputState, context); + if (match.type == 'none') { clearInputState(cm); return false; } + else if (match.type == 'partial') { return true; } + else if (match.type == 'clear') { clearInputState(cm); return true; } + + vim.inputState.keyBuffer = ''; + keysMatcher = /^(\d*)(.*)$/.exec(keys); + if (keysMatcher[1] && keysMatcher[1] != '0') { + vim.inputState.pushRepeatDigit(keysMatcher[1]); + } + return match.command; + } + + var command; + if (vim.insertMode) { command = handleKeyInsertMode(); } + else { command = handleKeyNonInsertMode(); } + if (command === false) { + return !vim.insertMode && key.length === 1 ? function() { return true; } : undefined; + } else if (command === true) { + // TODO: Look into using CodeMirror's multi-key handling. + // Return no-op since we are caching the key. Counts as handled, but + // don't want act on it just yet. + return function() { return true; }; + } else { + return function() { + return cm.operation(function() { + cm.curOp.isVimOp = true; + try { + if (command.type == 'keyToKey') { + doKeyToKey(command.toKeys); + } else { + commandDispatcher.processCommand(cm, vim, command); + } + } catch (e) { + // clear VIM state in case it's in a bad state. + cm.state.vim = undefined; + maybeInitVimState(cm); + if (!vimApi.suppressErrorLogging) { + console['log'](e); + } + throw e; + } + return true; + }); + }; + } + }, + handleEx: function(cm, input) { + exCommandDispatcher.processCommand(cm, input); + }, + + defineMotion: defineMotion, + defineAction: defineAction, + defineOperator: defineOperator, + mapCommand: mapCommand, + _mapCommand: _mapCommand, + + defineRegister: defineRegister, + + exitVisualMode: exitVisualMode, + exitInsertMode: exitInsertMode + }; + + // Represents the current input state. + function InputState() { + this.prefixRepeat = []; + this.motionRepeat = []; + + this.operator = null; + this.operatorArgs = null; + this.motion = null; + this.motionArgs = null; + this.keyBuffer = []; // For matching multi-key commands. + this.registerName = null; // Defaults to the unnamed register. + } + InputState.prototype.pushRepeatDigit = function(n) { + if (!this.operator) { + this.prefixRepeat = this.prefixRepeat.concat(n); + } else { + this.motionRepeat = this.motionRepeat.concat(n); + } + }; + InputState.prototype.getRepeat = function() { + var repeat = 0; + if (this.prefixRepeat.length > 0 || this.motionRepeat.length > 0) { + repeat = 1; + if (this.prefixRepeat.length > 0) { + repeat *= parseInt(this.prefixRepeat.join(''), 10); + } + if (this.motionRepeat.length > 0) { + repeat *= parseInt(this.motionRepeat.join(''), 10); + } + } + return repeat; + }; + + function clearInputState(cm, reason) { + cm.state.vim.inputState = new InputState(); + CodeMirror.signal(cm, 'vim-command-done', reason); + } + + /* + * Register stores information about copy and paste registers. Besides + * text, a register must store whether it is linewise (i.e., when it is + * pasted, should it insert itself into a new line, or should the text be + * inserted at the cursor position.) + */ + function Register(text, linewise, blockwise) { + this.clear(); + this.keyBuffer = [text || '']; + this.insertModeChanges = []; + this.searchQueries = []; + this.linewise = !!linewise; + this.blockwise = !!blockwise; + } + Register.prototype = { + setText: function(text, linewise, blockwise) { + this.keyBuffer = [text || '']; + this.linewise = !!linewise; + this.blockwise = !!blockwise; + }, + pushText: function(text, linewise) { + // if this register has ever been set to linewise, use linewise. + if (linewise) { + if (!this.linewise) { + this.keyBuffer.push('\n'); + } + this.linewise = true; + } + this.keyBuffer.push(text); + }, + pushInsertModeChanges: function(changes) { + this.insertModeChanges.push(createInsertModeChanges(changes)); + }, + pushSearchQuery: function(query) { + this.searchQueries.push(query); + }, + clear: function() { + this.keyBuffer = []; + this.insertModeChanges = []; + this.searchQueries = []; + this.linewise = false; + }, + toString: function() { + return this.keyBuffer.join(''); + } + }; + + /** + * Defines an external register. + * + * The name should be a single character that will be used to reference the register. + * The register should support setText, pushText, clear, and toString(). See Register + * for a reference implementation. + */ + function defineRegister(name, register) { + var registers = vimGlobalState.registerController.registers; + if (!name || name.length != 1) { + throw Error('Register name must be 1 character'); + } + if (registers[name]) { + throw Error('Register already defined ' + name); + } + registers[name] = register; + validRegisters.push(name); + } + + /* + * vim registers allow you to keep many independent copy and paste buffers. + * See http://usevim.com/2012/04/13/registers/ for an introduction. + * + * RegisterController keeps the state of all the registers. An initial + * state may be passed in. The unnamed register '"' will always be + * overridden. + */ + function RegisterController(registers) { + this.registers = registers; + this.unnamedRegister = registers['"'] = new Register(); + registers['.'] = new Register(); + registers[':'] = new Register(); + registers['/'] = new Register(); + } + RegisterController.prototype = { + pushText: function(registerName, operator, text, linewise, blockwise) { + // The black hole register, "_, means delete/yank to nowhere. + if (registerName === '_') return; + if (linewise && text.charAt(text.length - 1) !== '\n'){ + text += '\n'; + } + // Lowercase and uppercase registers refer to the same register. + // Uppercase just means append. + var register = this.isValidRegister(registerName) ? + this.getRegister(registerName) : null; + // if no register/an invalid register was specified, things go to the + // default registers + if (!register) { + switch (operator) { + case 'yank': + // The 0 register contains the text from the most recent yank. + this.registers['0'] = new Register(text, linewise, blockwise); + break; + case 'delete': + case 'change': + if (text.indexOf('\n') == -1) { + // Delete less than 1 line. Update the small delete register. + this.registers['-'] = new Register(text, linewise); + } else { + // Shift down the contents of the numbered registers and put the + // deleted text into register 1. + this.shiftNumericRegisters_(); + this.registers['1'] = new Register(text, linewise); + } + break; + } + // Make sure the unnamed register is set to what just happened + this.unnamedRegister.setText(text, linewise, blockwise); + return; + } + + // If we've gotten to this point, we've actually specified a register + var append = isUpperCase(registerName); + if (append) { + register.pushText(text, linewise); + } else { + register.setText(text, linewise, blockwise); + } + // The unnamed register always has the same value as the last used + // register. + this.unnamedRegister.setText(register.toString(), linewise); + }, + // Gets the register named @name. If one of @name doesn't already exist, + // create it. If @name is invalid, return the unnamedRegister. + getRegister: function(name) { + if (!this.isValidRegister(name)) { + return this.unnamedRegister; + } + name = name.toLowerCase(); + if (!this.registers[name]) { + this.registers[name] = new Register(); + } + return this.registers[name]; + }, + isValidRegister: function(name) { + return name && inArray(name, validRegisters); + }, + shiftNumericRegisters_: function() { + for (var i = 9; i >= 2; i--) { + this.registers[i] = this.getRegister('' + (i - 1)); + } + } + }; + function HistoryController() { + this.historyBuffer = []; + this.iterator = 0; + this.initialPrefix = null; + } + HistoryController.prototype = { + // the input argument here acts a user entered prefix for a small time + // until we start autocompletion in which case it is the autocompleted. + nextMatch: function (input, up) { + var historyBuffer = this.historyBuffer; + var dir = up ? -1 : 1; + if (this.initialPrefix === null) this.initialPrefix = input; + for (var i = this.iterator + dir; up ? i >= 0 : i < historyBuffer.length; i+= dir) { + var element = historyBuffer[i]; + for (var j = 0; j <= element.length; j++) { + if (this.initialPrefix == element.substring(0, j)) { + this.iterator = i; + return element; + } + } + } + // should return the user input in case we reach the end of buffer. + if (i >= historyBuffer.length) { + this.iterator = historyBuffer.length; + return this.initialPrefix; + } + // return the last autocompleted query or exCommand as it is. + if (i < 0 ) return input; + }, + pushInput: function(input) { + var index = this.historyBuffer.indexOf(input); + if (index > -1) this.historyBuffer.splice(index, 1); + if (input.length) this.historyBuffer.push(input); + }, + reset: function() { + this.initialPrefix = null; + this.iterator = this.historyBuffer.length; + } + }; + var commandDispatcher = { + matchCommand: function(keys, keyMap, inputState, context) { + var matches = commandMatches(keys, keyMap, context, inputState); + if (!matches.full && !matches.partial) { + return {type: 'none'}; + } else if (!matches.full && matches.partial) { + return {type: 'partial'}; + } + + var bestMatch; + for (var i = 0; i < matches.full.length; i++) { + var match = matches.full[i]; + if (!bestMatch) { + bestMatch = match; + } + } + if (bestMatch.keys.slice(-11) == '') { + var character = lastChar(keys); + if (!character || character.length > 1) return {type: 'clear'}; + inputState.selectedCharacter = character; + } + return {type: 'full', command: bestMatch}; + }, + processCommand: function(cm, vim, command) { + vim.inputState.repeatOverride = command.repeatOverride; + switch (command.type) { + case 'motion': + this.processMotion(cm, vim, command); + break; + case 'operator': + this.processOperator(cm, vim, command); + break; + case 'operatorMotion': + this.processOperatorMotion(cm, vim, command); + break; + case 'action': + this.processAction(cm, vim, command); + break; + case 'search': + this.processSearch(cm, vim, command); + break; + case 'ex': + case 'keyToEx': + this.processEx(cm, vim, command); + break; + } + }, + processMotion: function(cm, vim, command) { + vim.inputState.motion = command.motion; + vim.inputState.motionArgs = copyArgs(command.motionArgs); + this.evalInput(cm, vim); + }, + processOperator: function(cm, vim, command) { + var inputState = vim.inputState; + if (inputState.operator) { + if (inputState.operator == command.operator) { + // Typing an operator twice like 'dd' makes the operator operate + // linewise + inputState.motion = 'expandToLine'; + inputState.motionArgs = { linewise: true }; + this.evalInput(cm, vim); + return; + } else { + // 2 different operators in a row doesn't make sense. + clearInputState(cm); + } + } + inputState.operator = command.operator; + inputState.operatorArgs = copyArgs(command.operatorArgs); + if (command.keys.length > 1) { + inputState.operatorShortcut = command.keys; + } + if (command.exitVisualBlock) { + vim.visualBlock = false; + updateCmSelection(cm); + } + if (vim.visualMode) { + // Operating on a selection in visual mode. We don't need a motion. + this.evalInput(cm, vim); + } + }, + processOperatorMotion: function(cm, vim, command) { + var visualMode = vim.visualMode; + var operatorMotionArgs = copyArgs(command.operatorMotionArgs); + if (operatorMotionArgs) { + // Operator motions may have special behavior in visual mode. + if (visualMode && operatorMotionArgs.visualLine) { + vim.visualLine = true; + } + } + this.processOperator(cm, vim, command); + if (!visualMode) { + this.processMotion(cm, vim, command); + } + }, + processAction: function(cm, vim, command) { + var inputState = vim.inputState; + var repeat = inputState.getRepeat(); + var repeatIsExplicit = !!repeat; + var actionArgs = copyArgs(command.actionArgs) || {}; + if (inputState.selectedCharacter) { + actionArgs.selectedCharacter = inputState.selectedCharacter; + } + // Actions may or may not have motions and operators. Do these first. + if (command.operator) { + this.processOperator(cm, vim, command); + } + if (command.motion) { + this.processMotion(cm, vim, command); + } + if (command.motion || command.operator) { + this.evalInput(cm, vim); + } + actionArgs.repeat = repeat || 1; + actionArgs.repeatIsExplicit = repeatIsExplicit; + actionArgs.registerName = inputState.registerName; + clearInputState(cm); + vim.lastMotion = null; + if (command.isEdit) { + this.recordLastEdit(vim, inputState, command); + } + actions[command.action](cm, actionArgs, vim); + }, + processSearch: function(cm, vim, command) { + if (!cm.getSearchCursor) { + // Search depends on SearchCursor. + return; + } + var forward = command.searchArgs.forward; + var wholeWordOnly = command.searchArgs.wholeWordOnly; + getSearchState(cm).setReversed(!forward); + var promptPrefix = (forward) ? '/' : '?'; + var originalQuery = getSearchState(cm).getQuery(); + var originalScrollPos = cm.getScrollInfo(); + function handleQuery(query, ignoreCase, smartCase) { + vimGlobalState.searchHistoryController.pushInput(query); + vimGlobalState.searchHistoryController.reset(); + try { + updateSearchQuery(cm, query, ignoreCase, smartCase); + } catch (e) { + showConfirm(cm, 'Invalid regex: ' + query); + clearInputState(cm); + return; + } + commandDispatcher.processMotion(cm, vim, { + type: 'motion', + motion: 'findNext', + motionArgs: { forward: true, toJumplist: command.searchArgs.toJumplist } + }); + } + function onPromptClose(query) { + cm.scrollTo(originalScrollPos.left, originalScrollPos.top); + handleQuery(query, true /** ignoreCase */, true /** smartCase */); + var macroModeState = vimGlobalState.macroModeState; + if (macroModeState.isRecording) { + logSearchQuery(macroModeState, query); + } + } + function onPromptKeyUp(e, query, close) { + var keyName = CodeMirror.keyName(e), up, offset; + if (keyName == 'Up' || keyName == 'Down') { + up = keyName == 'Up' ? true : false; + offset = e.target ? e.target.selectionEnd : 0; + query = vimGlobalState.searchHistoryController.nextMatch(query, up) || ''; + close(query); + if (offset && e.target) e.target.selectionEnd = e.target.selectionStart = Math.min(offset, e.target.value.length); + } else { + if ( keyName != 'Left' && keyName != 'Right' && keyName != 'Ctrl' && keyName != 'Alt' && keyName != 'Shift') + vimGlobalState.searchHistoryController.reset(); + } + var parsedQuery; + try { + parsedQuery = updateSearchQuery(cm, query, + true /** ignoreCase */, true /** smartCase */); + } catch (e) { + // Swallow bad regexes for incremental search. + } + if (parsedQuery) { + cm.scrollIntoView(findNext(cm, !forward, parsedQuery), 30); + } else { + clearSearchHighlight(cm); + cm.scrollTo(originalScrollPos.left, originalScrollPos.top); + } + } + function onPromptKeyDown(e, query, close) { + var keyName = CodeMirror.keyName(e); + if (keyName == 'Esc' || keyName == 'Ctrl-C' || keyName == 'Ctrl-[' || + (keyName == 'Backspace' && query == '')) { + vimGlobalState.searchHistoryController.pushInput(query); + vimGlobalState.searchHistoryController.reset(); + updateSearchQuery(cm, originalQuery); + clearSearchHighlight(cm); + cm.scrollTo(originalScrollPos.left, originalScrollPos.top); + CodeMirror.e_stop(e); + clearInputState(cm); + close(); + cm.focus(); + } else if (keyName == 'Up' || keyName == 'Down') { + CodeMirror.e_stop(e); + } else if (keyName == 'Ctrl-U') { + // Ctrl-U clears input. + CodeMirror.e_stop(e); + close(''); + } + } + switch (command.searchArgs.querySrc) { + case 'prompt': + var macroModeState = vimGlobalState.macroModeState; + if (macroModeState.isPlaying) { + var query = macroModeState.replaySearchQueries.shift(); + handleQuery(query, true /** ignoreCase */, false /** smartCase */); + } else { + showPrompt(cm, { + onClose: onPromptClose, + prefix: promptPrefix, + desc: '(JavaScript regexp)', + onKeyUp: onPromptKeyUp, + onKeyDown: onPromptKeyDown + }); + } + break; + case 'wordUnderCursor': + var word = expandWordUnderCursor(cm, false /** inclusive */, + true /** forward */, false /** bigWord */, + true /** noSymbol */); + var isKeyword = true; + if (!word) { + word = expandWordUnderCursor(cm, false /** inclusive */, + true /** forward */, false /** bigWord */, + false /** noSymbol */); + isKeyword = false; + } + if (!word) { + return; + } + var query = cm.getLine(word.start.line).substring(word.start.ch, + word.end.ch); + if (isKeyword && wholeWordOnly) { + query = '\\b' + query + '\\b'; + } else { + query = escapeRegex(query); + } + + // cachedCursor is used to save the old position of the cursor + // when * or # causes vim to seek for the nearest word and shift + // the cursor before entering the motion. + vimGlobalState.jumpList.cachedCursor = cm.getCursor(); + cm.setCursor(word.start); + + handleQuery(query, true /** ignoreCase */, false /** smartCase */); + break; + } + }, + processEx: function(cm, vim, command) { + function onPromptClose(input) { + // Give the prompt some time to close so that if processCommand shows + // an error, the elements don't overlap. + vimGlobalState.exCommandHistoryController.pushInput(input); + vimGlobalState.exCommandHistoryController.reset(); + exCommandDispatcher.processCommand(cm, input); + clearInputState(cm); + } + function onPromptKeyDown(e, input, close) { + var keyName = CodeMirror.keyName(e), up, offset; + if (keyName == 'Esc' || keyName == 'Ctrl-C' || keyName == 'Ctrl-[' || + (keyName == 'Backspace' && input == '')) { + vimGlobalState.exCommandHistoryController.pushInput(input); + vimGlobalState.exCommandHistoryController.reset(); + CodeMirror.e_stop(e); + clearInputState(cm); + close(); + cm.focus(); + } + if (keyName == 'Up' || keyName == 'Down') { + CodeMirror.e_stop(e); + up = keyName == 'Up' ? true : false; + offset = e.target ? e.target.selectionEnd : 0; + input = vimGlobalState.exCommandHistoryController.nextMatch(input, up) || ''; + close(input); + if (offset && e.target) e.target.selectionEnd = e.target.selectionStart = Math.min(offset, e.target.value.length); + } else if (keyName == 'Ctrl-U') { + // Ctrl-U clears input. + CodeMirror.e_stop(e); + close(''); + } else { + if ( keyName != 'Left' && keyName != 'Right' && keyName != 'Ctrl' && keyName != 'Alt' && keyName != 'Shift') + vimGlobalState.exCommandHistoryController.reset(); + } + } + if (command.type == 'keyToEx') { + // Handle user defined Ex to Ex mappings + exCommandDispatcher.processCommand(cm, command.exArgs.input); + } else { + if (vim.visualMode) { + showPrompt(cm, { onClose: onPromptClose, prefix: ':', value: '\'<,\'>', + onKeyDown: onPromptKeyDown, selectValueOnOpen: false}); + } else { + showPrompt(cm, { onClose: onPromptClose, prefix: ':', + onKeyDown: onPromptKeyDown}); + } + } + }, + evalInput: function(cm, vim) { + // If the motion command is set, execute both the operator and motion. + // Otherwise return. + var inputState = vim.inputState; + var motion = inputState.motion; + var motionArgs = inputState.motionArgs || {}; + var operator = inputState.operator; + var operatorArgs = inputState.operatorArgs || {}; + var registerName = inputState.registerName; + var sel = vim.sel; + // TODO: Make sure cm and vim selections are identical outside visual mode. + var origHead = copyCursor(vim.visualMode ? clipCursorToContent(cm, sel.head): cm.getCursor('head')); + var origAnchor = copyCursor(vim.visualMode ? clipCursorToContent(cm, sel.anchor) : cm.getCursor('anchor')); + var oldHead = copyCursor(origHead); + var oldAnchor = copyCursor(origAnchor); + var newHead, newAnchor; + var repeat; + if (operator) { + this.recordLastEdit(vim, inputState); + } + if (inputState.repeatOverride !== undefined) { + // If repeatOverride is specified, that takes precedence over the + // input state's repeat. Used by Ex mode and can be user defined. + repeat = inputState.repeatOverride; + } else { + repeat = inputState.getRepeat(); + } + if (repeat > 0 && motionArgs.explicitRepeat) { + motionArgs.repeatIsExplicit = true; + } else if (motionArgs.noRepeat || + (!motionArgs.explicitRepeat && repeat === 0)) { + repeat = 1; + motionArgs.repeatIsExplicit = false; + } + if (inputState.selectedCharacter) { + // If there is a character input, stick it in all of the arg arrays. + motionArgs.selectedCharacter = operatorArgs.selectedCharacter = + inputState.selectedCharacter; + } + motionArgs.repeat = repeat; + clearInputState(cm); + if (motion) { + var motionResult = motions[motion](cm, origHead, motionArgs, vim, inputState); + vim.lastMotion = motions[motion]; + if (!motionResult) { + return; + } + if (motionArgs.toJumplist) { + var jumpList = vimGlobalState.jumpList; + // if the current motion is # or *, use cachedCursor + var cachedCursor = jumpList.cachedCursor; + if (cachedCursor) { + recordJumpPosition(cm, cachedCursor, motionResult); + delete jumpList.cachedCursor; + } else { + recordJumpPosition(cm, origHead, motionResult); + } + } + if (motionResult instanceof Array) { + newAnchor = motionResult[0]; + newHead = motionResult[1]; + } else { + newHead = motionResult; + } + // TODO: Handle null returns from motion commands better. + if (!newHead) { + newHead = copyCursor(origHead); + } + if (vim.visualMode) { + if (!(vim.visualBlock && newHead.ch === Infinity)) { + newHead = clipCursorToContent(cm, newHead); + } + if (newAnchor) { + newAnchor = clipCursorToContent(cm, newAnchor); + } + newAnchor = newAnchor || oldAnchor; + sel.anchor = newAnchor; + sel.head = newHead; + updateCmSelection(cm); + updateMark(cm, vim, '<', + cursorIsBefore(newAnchor, newHead) ? newAnchor + : newHead); + updateMark(cm, vim, '>', + cursorIsBefore(newAnchor, newHead) ? newHead + : newAnchor); + } else if (!operator) { + newHead = clipCursorToContent(cm, newHead); + cm.setCursor(newHead.line, newHead.ch); + } + } + if (operator) { + if (operatorArgs.lastSel) { + // Replaying a visual mode operation + newAnchor = oldAnchor; + var lastSel = operatorArgs.lastSel; + var lineOffset = Math.abs(lastSel.head.line - lastSel.anchor.line); + var chOffset = Math.abs(lastSel.head.ch - lastSel.anchor.ch); + if (lastSel.visualLine) { + // Linewise Visual mode: The same number of lines. + newHead = new Pos(oldAnchor.line + lineOffset, oldAnchor.ch); + } else if (lastSel.visualBlock) { + // Blockwise Visual mode: The same number of lines and columns. + newHead = new Pos(oldAnchor.line + lineOffset, oldAnchor.ch + chOffset); + } else if (lastSel.head.line == lastSel.anchor.line) { + // Normal Visual mode within one line: The same number of characters. + newHead = new Pos(oldAnchor.line, oldAnchor.ch + chOffset); + } else { + // Normal Visual mode with several lines: The same number of lines, in the + // last line the same number of characters as in the last line the last time. + newHead = new Pos(oldAnchor.line + lineOffset, oldAnchor.ch); + } + vim.visualMode = true; + vim.visualLine = lastSel.visualLine; + vim.visualBlock = lastSel.visualBlock; + sel = vim.sel = { + anchor: newAnchor, + head: newHead + }; + updateCmSelection(cm); + } else if (vim.visualMode) { + operatorArgs.lastSel = { + anchor: copyCursor(sel.anchor), + head: copyCursor(sel.head), + visualBlock: vim.visualBlock, + visualLine: vim.visualLine + }; + } + var curStart, curEnd, linewise, mode; + var cmSel; + if (vim.visualMode) { + // Init visual op + curStart = cursorMin(sel.head, sel.anchor); + curEnd = cursorMax(sel.head, sel.anchor); + linewise = vim.visualLine || operatorArgs.linewise; + mode = vim.visualBlock ? 'block' : + linewise ? 'line' : + 'char'; + cmSel = makeCmSelection(cm, { + anchor: curStart, + head: curEnd + }, mode); + if (linewise) { + var ranges = cmSel.ranges; + if (mode == 'block') { + // Linewise operators in visual block mode extend to end of line + for (var i = 0; i < ranges.length; i++) { + ranges[i].head.ch = lineLength(cm, ranges[i].head.line); + } + } else if (mode == 'line') { + ranges[0].head = new Pos(ranges[0].head.line + 1, 0); + } + } + } else { + // Init motion op + curStart = copyCursor(newAnchor || oldAnchor); + curEnd = copyCursor(newHead || oldHead); + if (cursorIsBefore(curEnd, curStart)) { + var tmp = curStart; + curStart = curEnd; + curEnd = tmp; + } + linewise = motionArgs.linewise || operatorArgs.linewise; + if (linewise) { + // Expand selection to entire line. + expandSelectionToLine(cm, curStart, curEnd); + } else if (motionArgs.forward) { + // Clip to trailing newlines only if the motion goes forward. + clipToLine(cm, curStart, curEnd); + } + mode = 'char'; + var exclusive = !motionArgs.inclusive || linewise; + cmSel = makeCmSelection(cm, { + anchor: curStart, + head: curEnd + }, mode, exclusive); + } + cm.setSelections(cmSel.ranges, cmSel.primary); + vim.lastMotion = null; + operatorArgs.repeat = repeat; // For indent in visual mode. + operatorArgs.registerName = registerName; + // Keep track of linewise as it affects how paste and change behave. + operatorArgs.linewise = linewise; + var operatorMoveTo = operators[operator]( + cm, operatorArgs, cmSel.ranges, oldAnchor, newHead); + if (vim.visualMode) { + exitVisualMode(cm, operatorMoveTo != null); + } + if (operatorMoveTo) { + cm.setCursor(operatorMoveTo); + } + } + }, + recordLastEdit: function(vim, inputState, actionCommand) { + var macroModeState = vimGlobalState.macroModeState; + if (macroModeState.isPlaying) { return; } + vim.lastEditInputState = inputState; + vim.lastEditActionCommand = actionCommand; + macroModeState.lastInsertModeChanges.changes = []; + macroModeState.lastInsertModeChanges.expectCursorActivityForChange = false; + macroModeState.lastInsertModeChanges.visualBlock = vim.visualBlock ? vim.sel.head.line - vim.sel.anchor.line : 0; + } + }; + + /** + * typedef {Object{line:number,ch:number}} Cursor An object containing the + * position of the cursor. + */ + // All of the functions below return Cursor objects. + var motions = { + moveToTopLine: function(cm, _head, motionArgs) { + var line = getUserVisibleLines(cm).top + motionArgs.repeat -1; + return new Pos(line, findFirstNonWhiteSpaceCharacter(cm.getLine(line))); + }, + moveToMiddleLine: function(cm) { + var range = getUserVisibleLines(cm); + var line = Math.floor((range.top + range.bottom) * 0.5); + return new Pos(line, findFirstNonWhiteSpaceCharacter(cm.getLine(line))); + }, + moveToBottomLine: function(cm, _head, motionArgs) { + var line = getUserVisibleLines(cm).bottom - motionArgs.repeat +1; + return new Pos(line, findFirstNonWhiteSpaceCharacter(cm.getLine(line))); + }, + expandToLine: function(_cm, head, motionArgs) { + // Expands forward to end of line, and then to next line if repeat is + // >1. Does not handle backward motion! + var cur = head; + return new Pos(cur.line + motionArgs.repeat - 1, Infinity); + }, + findNext: function(cm, _head, motionArgs) { + var state = getSearchState(cm); + var query = state.getQuery(); + if (!query) { + return; + } + var prev = !motionArgs.forward; + // If search is initiated with ? instead of /, negate direction. + prev = (state.isReversed()) ? !prev : prev; + highlightSearchMatches(cm, query); + return findNext(cm, prev/** prev */, query, motionArgs.repeat); + }, + /** + * Find and select the next occurrence of the search query. If the cursor is currently + * within a match, then find and select the current match. Otherwise, find the next occurrence in the + * appropriate direction. + * + * This differs from `findNext` in the following ways: + * + * 1. Instead of only returning the "from", this returns a "from", "to" range. + * 2. If the cursor is currently inside a search match, this selects the current match + * instead of the next match. + * 3. If there is no associated operator, this will turn on visual mode. + */ + findAndSelectNextInclusive: function(cm, _head, motionArgs, vim, prevInputState) { + var state = getSearchState(cm); + var query = state.getQuery(); + + if (!query) { + return; + } + + var prev = !motionArgs.forward; + prev = (state.isReversed()) ? !prev : prev; + + // next: [from, to] | null + var next = findNextFromAndToInclusive(cm, prev, query, motionArgs.repeat, vim); + + // No matches. + if (!next) { + return; + } + + // If there's an operator that will be executed, return the selection. + if (prevInputState.operator) { + return next; + } + + // At this point, we know that there is no accompanying operator -- let's + // deal with visual mode in order to select an appropriate match. + + var from = next[0]; + // For whatever reason, when we use the "to" as returned by searchcursor.js directly, + // the resulting selection is extended by 1 char. Let's shrink it so that only the + // match is selected. + var to = new Pos(next[1].line, next[1].ch - 1); + + if (vim.visualMode) { + // If we were in visualLine or visualBlock mode, get out of it. + if (vim.visualLine || vim.visualBlock) { + vim.visualLine = false; + vim.visualBlock = false; + CodeMirror.signal(cm, "vim-mode-change", {mode: "visual", subMode: ""}); + } + + // If we're currently in visual mode, we should extend the selection to include + // the search result. + var anchor = vim.sel.anchor; + if (anchor) { + if (state.isReversed()) { + if (motionArgs.forward) { + return [anchor, from]; + } + + return [anchor, to]; + } else { + if (motionArgs.forward) { + return [anchor, to]; + } + + return [anchor, from]; + } + } + } else { + // Let's turn visual mode on. + vim.visualMode = true; + vim.visualLine = false; + vim.visualBlock = false; + CodeMirror.signal(cm, "vim-mode-change", {mode: "visual", subMode: ""}); + } + + return prev ? [to, from] : [from, to]; + }, + goToMark: function(cm, _head, motionArgs, vim) { + var pos = getMarkPos(cm, vim, motionArgs.selectedCharacter); + if (pos) { + return motionArgs.linewise ? { line: pos.line, ch: findFirstNonWhiteSpaceCharacter(cm.getLine(pos.line)) } : pos; + } + return null; + }, + moveToOtherHighlightedEnd: function(cm, _head, motionArgs, vim) { + if (vim.visualBlock && motionArgs.sameLine) { + var sel = vim.sel; + return [ + clipCursorToContent(cm, new Pos(sel.anchor.line, sel.head.ch)), + clipCursorToContent(cm, new Pos(sel.head.line, sel.anchor.ch)) + ]; + } else { + return ([vim.sel.head, vim.sel.anchor]); + } + }, + jumpToMark: function(cm, head, motionArgs, vim) { + var best = head; + for (var i = 0; i < motionArgs.repeat; i++) { + var cursor = best; + for (var key in vim.marks) { + if (!isLowerCase(key)) { + continue; + } + var mark = vim.marks[key].find(); + var isWrongDirection = (motionArgs.forward) ? + cursorIsBefore(mark, cursor) : cursorIsBefore(cursor, mark); + + if (isWrongDirection) { + continue; + } + if (motionArgs.linewise && (mark.line == cursor.line)) { + continue; + } + + var equal = cursorEqual(cursor, best); + var between = (motionArgs.forward) ? + cursorIsBetween(cursor, mark, best) : + cursorIsBetween(best, mark, cursor); + + if (equal || between) { + best = mark; + } + } + } + + if (motionArgs.linewise) { + // Vim places the cursor on the first non-whitespace character of + // the line if there is one, else it places the cursor at the end + // of the line, regardless of whether a mark was found. + best = new Pos(best.line, findFirstNonWhiteSpaceCharacter(cm.getLine(best.line))); + } + return best; + }, + moveByCharacters: function(_cm, head, motionArgs) { + var cur = head; + var repeat = motionArgs.repeat; + var ch = motionArgs.forward ? cur.ch + repeat : cur.ch - repeat; + return new Pos(cur.line, ch); + }, + moveByLines: function(cm, head, motionArgs, vim) { + var cur = head; + var endCh = cur.ch; + // Depending what our last motion was, we may want to do different + // things. If our last motion was moving vertically, we want to + // preserve the HPos from our last horizontal move. If our last motion + // was going to the end of a line, moving vertically we should go to + // the end of the line, etc. + switch (vim.lastMotion) { + case this.moveByLines: + case this.moveByDisplayLines: + case this.moveByScroll: + case this.moveToColumn: + case this.moveToEol: + endCh = vim.lastHPos; + break; + default: + vim.lastHPos = endCh; + } + var repeat = motionArgs.repeat+(motionArgs.repeatOffset||0); + var line = motionArgs.forward ? cur.line + repeat : cur.line - repeat; + var first = cm.firstLine(); + var last = cm.lastLine(); + var posV = cm.findPosV(cur, (motionArgs.forward ? repeat : -repeat), 'line', vim.lastHSPos); + var hasMarkedText = motionArgs.forward ? posV.line > line : posV.line < line; + if (hasMarkedText) { + line = posV.line; + endCh = posV.ch; + } + // Vim go to line begin or line end when cursor at first/last line and + // move to previous/next line is triggered. + if (line < first && cur.line == first){ + return this.moveToStartOfLine(cm, head, motionArgs, vim); + } else if (line > last && cur.line == last){ + return moveToEol(cm, head, motionArgs, vim, true); + } + if (motionArgs.toFirstChar){ + endCh=findFirstNonWhiteSpaceCharacter(cm.getLine(line)); + vim.lastHPos = endCh; + } + vim.lastHSPos = cm.charCoords(new Pos(line, endCh),'div').left; + return new Pos(line, endCh); + }, + moveByDisplayLines: function(cm, head, motionArgs, vim) { + var cur = head; + switch (vim.lastMotion) { + case this.moveByDisplayLines: + case this.moveByScroll: + case this.moveByLines: + case this.moveToColumn: + case this.moveToEol: + break; + default: + vim.lastHSPos = cm.charCoords(cur,'div').left; + } + var repeat = motionArgs.repeat; + var res=cm.findPosV(cur,(motionArgs.forward ? repeat : -repeat),'line',vim.lastHSPos); + if (res.hitSide) { + if (motionArgs.forward) { + var lastCharCoords = cm.charCoords(res, 'div'); + var goalCoords = { top: lastCharCoords.top + 8, left: vim.lastHSPos }; + var res = cm.coordsChar(goalCoords, 'div'); + } else { + var resCoords = cm.charCoords(new Pos(cm.firstLine(), 0), 'div'); + resCoords.left = vim.lastHSPos; + res = cm.coordsChar(resCoords, 'div'); + } + } + vim.lastHPos = res.ch; + return res; + }, + moveByPage: function(cm, head, motionArgs) { + // CodeMirror only exposes functions that move the cursor page down, so + // doing this bad hack to move the cursor and move it back. evalInput + // will move the cursor to where it should be in the end. + var curStart = head; + var repeat = motionArgs.repeat; + return cm.findPosV(curStart, (motionArgs.forward ? repeat : -repeat), 'page'); + }, + moveByParagraph: function(cm, head, motionArgs) { + var dir = motionArgs.forward ? 1 : -1; + return findParagraph(cm, head, motionArgs.repeat, dir); + }, + moveBySentence: function(cm, head, motionArgs) { + var dir = motionArgs.forward ? 1 : -1; + return findSentence(cm, head, motionArgs.repeat, dir); + }, + moveByScroll: function(cm, head, motionArgs, vim) { + var scrollbox = cm.getScrollInfo(); + var curEnd = null; + var repeat = motionArgs.repeat; + if (!repeat) { + repeat = scrollbox.clientHeight / (2 * cm.defaultTextHeight()); + } + var orig = cm.charCoords(head, 'local'); + motionArgs.repeat = repeat; + curEnd = motions.moveByDisplayLines(cm, head, motionArgs, vim); + if (!curEnd) { + return null; + } + var dest = cm.charCoords(curEnd, 'local'); + cm.scrollTo(null, scrollbox.top + dest.top - orig.top); + return curEnd; + }, + moveByWords: function(cm, head, motionArgs) { + return moveToWord(cm, head, motionArgs.repeat, !!motionArgs.forward, + !!motionArgs.wordEnd, !!motionArgs.bigWord); + }, + moveTillCharacter: function(cm, _head, motionArgs) { + var repeat = motionArgs.repeat; + var curEnd = moveToCharacter(cm, repeat, motionArgs.forward, + motionArgs.selectedCharacter); + var increment = motionArgs.forward ? -1 : 1; + recordLastCharacterSearch(increment, motionArgs); + if (!curEnd) return null; + curEnd.ch += increment; + return curEnd; + }, + moveToCharacter: function(cm, head, motionArgs) { + var repeat = motionArgs.repeat; + recordLastCharacterSearch(0, motionArgs); + return moveToCharacter(cm, repeat, motionArgs.forward, + motionArgs.selectedCharacter) || head; + }, + moveToSymbol: function(cm, head, motionArgs) { + var repeat = motionArgs.repeat; + return findSymbol(cm, repeat, motionArgs.forward, + motionArgs.selectedCharacter) || head; + }, + moveToColumn: function(cm, head, motionArgs, vim) { + var repeat = motionArgs.repeat; + // repeat is equivalent to which column we want to move to! + vim.lastHPos = repeat - 1; + vim.lastHSPos = cm.charCoords(head,'div').left; + return moveToColumn(cm, repeat); + }, + moveToEol: function(cm, head, motionArgs, vim) { + return moveToEol(cm, head, motionArgs, vim, false); + }, + moveToFirstNonWhiteSpaceCharacter: function(cm, head) { + // Go to the start of the line where the text begins, or the end for + // whitespace-only lines + var cursor = head; + return new Pos(cursor.line, + findFirstNonWhiteSpaceCharacter(cm.getLine(cursor.line))); + }, + moveToMatchedSymbol: function(cm, head) { + var cursor = head; + var line = cursor.line; + var ch = cursor.ch; + var lineText = cm.getLine(line); + var symbol; + for (; ch < lineText.length; ch++) { + symbol = lineText.charAt(ch); + if (symbol && isMatchableSymbol(symbol)) { + var style = cm.getTokenTypeAt(new Pos(line, ch + 1)); + if (style !== "string" && style !== "comment") { + break; + } + } + } + if (ch < lineText.length) { + // Only include angle brackets in analysis if they are being matched. + var re = (ch === '<' || ch === '>') ? /[(){}[\]<>]/ : /[(){}[\]]/; + var matched = cm.findMatchingBracket(new Pos(line, ch), {bracketRegex: re}); + return matched.to; + } else { + return cursor; + } + }, + moveToStartOfLine: function(_cm, head) { + return new Pos(head.line, 0); + }, + moveToLineOrEdgeOfDocument: function(cm, _head, motionArgs) { + var lineNum = motionArgs.forward ? cm.lastLine() : cm.firstLine(); + if (motionArgs.repeatIsExplicit) { + lineNum = motionArgs.repeat - cm.getOption('firstLineNumber'); + } + return new Pos(lineNum, + findFirstNonWhiteSpaceCharacter(cm.getLine(lineNum))); + }, + moveToStartOfDisplayLine: function(cm) { + cm.execCommand("goLineLeft"); + return cm.getCursor(); + }, + moveToEndOfDisplayLine: function(cm) { + cm.execCommand("goLineRight"); + var head = cm.getCursor(); + if (head.sticky == "before") head.ch--; + return head; + }, + textObjectManipulation: function(cm, head, motionArgs, vim) { + // TODO: lots of possible exceptions that can be thrown here. Try da( + // outside of a () block. + var mirroredPairs = {'(': ')', ')': '(', + '{': '}', '}': '{', + '[': ']', ']': '[', + '<': '>', '>': '<'}; + var selfPaired = {'\'': true, '"': true, '`': true}; + + var character = motionArgs.selectedCharacter; + // 'b' refers to '()' block. + // 'B' refers to '{}' block. + if (character == 'b') { + character = '('; + } else if (character == 'B') { + character = '{'; + } + + // Inclusive is the difference between a and i + // TODO: Instead of using the additional text object map to perform text + // object operations, merge the map into the defaultKeyMap and use + // motionArgs to define behavior. Define separate entries for 'aw', + // 'iw', 'a[', 'i[', etc. + var inclusive = !motionArgs.textObjectInner; + + var tmp; + if (mirroredPairs[character]) { + tmp = selectCompanionObject(cm, head, character, inclusive); + } else if (selfPaired[character]) { + tmp = findBeginningAndEnd(cm, head, character, inclusive); + } else if (character === 'W') { + tmp = expandWordUnderCursor(cm, inclusive, true /** forward */, + true /** bigWord */); + } else if (character === 'w') { + tmp = expandWordUnderCursor(cm, inclusive, true /** forward */, + false /** bigWord */); + } else if (character === 'p') { + tmp = findParagraph(cm, head, motionArgs.repeat, 0, inclusive); + motionArgs.linewise = true; + if (vim.visualMode) { + if (!vim.visualLine) { vim.visualLine = true; } + } else { + var operatorArgs = vim.inputState.operatorArgs; + if (operatorArgs) { operatorArgs.linewise = true; } + tmp.end.line--; + } + } else if (character === 't') { + tmp = expandTagUnderCursor(cm, head, inclusive); + } else if (character === 's') { + // account for cursor on end of sentence symbol + var content = cm.getLine(head.line); + if (head.ch > 0 && isEndOfSentenceSymbol(content[head.ch])) { + head.ch -= 1; + } + var end = getSentence(cm, head, motionArgs.repeat, 1, inclusive); + var start = getSentence(cm, head, motionArgs.repeat, -1, inclusive); + // closer vim behaviour, 'a' only takes the space after the sentence if there is one before and after + if (isWhiteSpaceString(cm.getLine(start.line)[start.ch]) + && isWhiteSpaceString(cm.getLine(end.line)[end.ch -1])) { + start = {line: start.line, ch: start.ch + 1}; + } + tmp = {start: start, end: end}; + } else { + // No text object defined for this, don't move. + return null; + } + + if (!cm.state.vim.visualMode) { + return [tmp.start, tmp.end]; + } else { + return expandSelection(cm, tmp.start, tmp.end); + } + }, + + repeatLastCharacterSearch: function(cm, head, motionArgs) { + var lastSearch = vimGlobalState.lastCharacterSearch; + var repeat = motionArgs.repeat; + var forward = motionArgs.forward === lastSearch.forward; + var increment = (lastSearch.increment ? 1 : 0) * (forward ? -1 : 1); + cm.moveH(-increment, 'char'); + motionArgs.inclusive = forward ? true : false; + var curEnd = moveToCharacter(cm, repeat, forward, lastSearch.selectedCharacter); + if (!curEnd) { + cm.moveH(increment, 'char'); + return head; + } + curEnd.ch += increment; + return curEnd; + } + }; + + function defineMotion(name, fn) { + motions[name] = fn; + } + + function fillArray(val, times) { + var arr = []; + for (var i = 0; i < times; i++) { + arr.push(val); + } + return arr; + } + /** + * An operator acts on a text selection. It receives the list of selections + * as input. The corresponding CodeMirror selection is guaranteed to + * match the input selection. + */ + var operators = { + change: function(cm, args, ranges) { + var finalHead, text; + var vim = cm.state.vim; + var anchor = ranges[0].anchor, + head = ranges[0].head; + if (!vim.visualMode) { + text = cm.getRange(anchor, head); + var lastState = vim.lastEditInputState || {}; + if (lastState.motion == "moveByWords" && !isWhiteSpaceString(text)) { + // Exclude trailing whitespace if the range is not all whitespace. + var match = (/\s+$/).exec(text); + if (match && lastState.motionArgs && lastState.motionArgs.forward) { + head = offsetCursor(head, 0, - match[0].length); + text = text.slice(0, - match[0].length); + } + } + var prevLineEnd = new Pos(anchor.line - 1, Number.MAX_VALUE); + var wasLastLine = cm.firstLine() == cm.lastLine(); + if (head.line > cm.lastLine() && args.linewise && !wasLastLine) { + cm.replaceRange('', prevLineEnd, head); + } else { + cm.replaceRange('', anchor, head); + } + if (args.linewise) { + // Push the next line back down, if there is a next line. + if (!wasLastLine) { + cm.setCursor(prevLineEnd); + CodeMirror.commands.newlineAndIndent(cm); + } + // make sure cursor ends up at the end of the line. + anchor.ch = Number.MAX_VALUE; + } + finalHead = anchor; + } else if (args.fullLine) { + head.ch = Number.MAX_VALUE; + head.line--; + cm.setSelection(anchor, head); + text = cm.getSelection(); + cm.replaceSelection(""); + finalHead = anchor; + } else { + text = cm.getSelection(); + var replacement = fillArray('', ranges.length); + cm.replaceSelections(replacement); + finalHead = cursorMin(ranges[0].head, ranges[0].anchor); + } + vimGlobalState.registerController.pushText( + args.registerName, 'change', text, + args.linewise, ranges.length > 1); + actions.enterInsertMode(cm, {head: finalHead}, cm.state.vim); + }, + // delete is a javascript keyword. + 'delete': function(cm, args, ranges) { + var finalHead, text; + var vim = cm.state.vim; + if (!vim.visualBlock) { + var anchor = ranges[0].anchor, + head = ranges[0].head; + if (args.linewise && + head.line != cm.firstLine() && + anchor.line == cm.lastLine() && + anchor.line == head.line - 1) { + // Special case for dd on last line (and first line). + if (anchor.line == cm.firstLine()) { + anchor.ch = 0; + } else { + anchor = new Pos(anchor.line - 1, lineLength(cm, anchor.line - 1)); + } + } + text = cm.getRange(anchor, head); + cm.replaceRange('', anchor, head); + finalHead = anchor; + if (args.linewise) { + finalHead = motions.moveToFirstNonWhiteSpaceCharacter(cm, anchor); + } + } else { + text = cm.getSelection(); + var replacement = fillArray('', ranges.length); + cm.replaceSelections(replacement); + finalHead = cursorMin(ranges[0].head, ranges[0].anchor); + } + vimGlobalState.registerController.pushText( + args.registerName, 'delete', text, + args.linewise, vim.visualBlock); + return clipCursorToContent(cm, finalHead); + }, + indent: function(cm, args, ranges) { + var vim = cm.state.vim; + if (cm.indentMore) { + var repeat = (vim.visualMode) ? args.repeat : 1; + for (var j = 0; j < repeat; j++) { + if (args.indentRight) cm.indentMore(); + else cm.indentLess(); + } + } else { + var startLine = ranges[0].anchor.line; + var endLine = vim.visualBlock ? + ranges[ranges.length - 1].anchor.line : + ranges[0].head.line; + // In visual mode, n> shifts the selection right n times, instead of + // shifting n lines right once. + var repeat = (vim.visualMode) ? args.repeat : 1; + if (args.linewise) { + // The only way to delete a newline is to delete until the start of + // the next line, so in linewise mode evalInput will include the next + // line. We don't want this in indent, so we go back a line. + endLine--; + } + for (var i = startLine; i <= endLine; i++) { + for (var j = 0; j < repeat; j++) { + cm.indentLine(i, args.indentRight); + } + } + } + return motions.moveToFirstNonWhiteSpaceCharacter(cm, ranges[0].anchor); + }, + indentAuto: function(cm, _args, ranges) { + cm.execCommand("indentAuto"); + return motions.moveToFirstNonWhiteSpaceCharacter(cm, ranges[0].anchor); + }, + changeCase: function(cm, args, ranges, oldAnchor, newHead) { + var selections = cm.getSelections(); + var swapped = []; + var toLower = args.toLower; + for (var j = 0; j < selections.length; j++) { + var toSwap = selections[j]; + var text = ''; + if (toLower === true) { + text = toSwap.toLowerCase(); + } else if (toLower === false) { + text = toSwap.toUpperCase(); + } else { + for (var i = 0; i < toSwap.length; i++) { + var character = toSwap.charAt(i); + text += isUpperCase(character) ? character.toLowerCase() : + character.toUpperCase(); + } + } + swapped.push(text); + } + cm.replaceSelections(swapped); + if (args.shouldMoveCursor){ + return newHead; + } else if (!cm.state.vim.visualMode && args.linewise && ranges[0].anchor.line + 1 == ranges[0].head.line) { + return motions.moveToFirstNonWhiteSpaceCharacter(cm, oldAnchor); + } else if (args.linewise){ + return oldAnchor; + } else { + return cursorMin(ranges[0].anchor, ranges[0].head); + } + }, + yank: function(cm, args, ranges, oldAnchor) { + var vim = cm.state.vim; + var text = cm.getSelection(); + var endPos = vim.visualMode + ? cursorMin(vim.sel.anchor, vim.sel.head, ranges[0].head, ranges[0].anchor) + : oldAnchor; + vimGlobalState.registerController.pushText( + args.registerName, 'yank', + text, args.linewise, vim.visualBlock); + return endPos; + } + }; + + function defineOperator(name, fn) { + operators[name] = fn; + } + + var actions = { + jumpListWalk: function(cm, actionArgs, vim) { + if (vim.visualMode) { + return; + } + var repeat = actionArgs.repeat; + var forward = actionArgs.forward; + var jumpList = vimGlobalState.jumpList; + + var mark = jumpList.move(cm, forward ? repeat : -repeat); + var markPos = mark ? mark.find() : undefined; + markPos = markPos ? markPos : cm.getCursor(); + cm.setCursor(markPos); + }, + scroll: function(cm, actionArgs, vim) { + if (vim.visualMode) { + return; + } + var repeat = actionArgs.repeat || 1; + var lineHeight = cm.defaultTextHeight(); + var top = cm.getScrollInfo().top; + var delta = lineHeight * repeat; + var newPos = actionArgs.forward ? top + delta : top - delta; + var cursor = copyCursor(cm.getCursor()); + var cursorCoords = cm.charCoords(cursor, 'local'); + if (actionArgs.forward) { + if (newPos > cursorCoords.top) { + cursor.line += (newPos - cursorCoords.top) / lineHeight; + cursor.line = Math.ceil(cursor.line); + cm.setCursor(cursor); + cursorCoords = cm.charCoords(cursor, 'local'); + cm.scrollTo(null, cursorCoords.top); + } else { + // Cursor stays within bounds. Just reposition the scroll window. + cm.scrollTo(null, newPos); + } + } else { + var newBottom = newPos + cm.getScrollInfo().clientHeight; + if (newBottom < cursorCoords.bottom) { + cursor.line -= (cursorCoords.bottom - newBottom) / lineHeight; + cursor.line = Math.floor(cursor.line); + cm.setCursor(cursor); + cursorCoords = cm.charCoords(cursor, 'local'); + cm.scrollTo( + null, cursorCoords.bottom - cm.getScrollInfo().clientHeight); + } else { + // Cursor stays within bounds. Just reposition the scroll window. + cm.scrollTo(null, newPos); + } + } + }, + scrollToCursor: function(cm, actionArgs) { + var lineNum = cm.getCursor().line; + var charCoords = cm.charCoords(new Pos(lineNum, 0), 'local'); + var height = cm.getScrollInfo().clientHeight; + var y = charCoords.top; + switch (actionArgs.position) { + case 'center': y = charCoords.bottom - height / 2; + break; + case 'bottom': + var lineLastCharPos = new Pos(lineNum, cm.getLine(lineNum).length - 1); + var lineLastCharCoords = cm.charCoords(lineLastCharPos, 'local'); + var lineHeight = lineLastCharCoords.bottom - y; + y = y - height + lineHeight; + break; + } + cm.scrollTo(null, y); + }, + replayMacro: function(cm, actionArgs, vim) { + var registerName = actionArgs.selectedCharacter; + var repeat = actionArgs.repeat; + var macroModeState = vimGlobalState.macroModeState; + if (registerName == '@') { + registerName = macroModeState.latestRegister; + } else { + macroModeState.latestRegister = registerName; + } + while(repeat--){ + executeMacroRegister(cm, vim, macroModeState, registerName); + } + }, + enterMacroRecordMode: function(cm, actionArgs) { + var macroModeState = vimGlobalState.macroModeState; + var registerName = actionArgs.selectedCharacter; + if (vimGlobalState.registerController.isValidRegister(registerName)) { + macroModeState.enterMacroRecordMode(cm, registerName); + } + }, + toggleOverwrite: function(cm) { + if (!cm.state.overwrite) { + cm.toggleOverwrite(true); + cm.setOption('keyMap', 'vim-replace'); + CodeMirror.signal(cm, "vim-mode-change", {mode: "replace"}); + } else { + cm.toggleOverwrite(false); + cm.setOption('keyMap', 'vim-insert'); + CodeMirror.signal(cm, "vim-mode-change", {mode: "insert"}); + } + }, + enterInsertMode: function(cm, actionArgs, vim) { + if (cm.getOption('readOnly')) { return; } + vim.insertMode = true; + vim.insertModeRepeat = actionArgs && actionArgs.repeat || 1; + var insertAt = (actionArgs) ? actionArgs.insertAt : null; + var sel = vim.sel; + var head = actionArgs.head || cm.getCursor('head'); + var height = cm.listSelections().length; + if (insertAt == 'eol') { + head = new Pos(head.line, lineLength(cm, head.line)); + } else if (insertAt == 'bol') { + head = new Pos(head.line, 0); + } else if (insertAt == 'charAfter') { + head = offsetCursor(head, 0, 1); + } else if (insertAt == 'firstNonBlank') { + head = motions.moveToFirstNonWhiteSpaceCharacter(cm, head); + } else if (insertAt == 'startOfSelectedArea') { + if (!vim.visualMode) + return; + if (!vim.visualBlock) { + if (sel.head.line < sel.anchor.line) { + head = sel.head; + } else { + head = new Pos(sel.anchor.line, 0); + } + } else { + head = new Pos( + Math.min(sel.head.line, sel.anchor.line), + Math.min(sel.head.ch, sel.anchor.ch)); + height = Math.abs(sel.head.line - sel.anchor.line) + 1; + } + } else if (insertAt == 'endOfSelectedArea') { + if (!vim.visualMode) + return; + if (!vim.visualBlock) { + if (sel.head.line >= sel.anchor.line) { + head = offsetCursor(sel.head, 0, 1); + } else { + head = new Pos(sel.anchor.line, 0); + } + } else { + head = new Pos( + Math.min(sel.head.line, sel.anchor.line), + Math.max(sel.head.ch, sel.anchor.ch) + 1); + height = Math.abs(sel.head.line - sel.anchor.line) + 1; + } + } else if (insertAt == 'inplace') { + if (vim.visualMode){ + return; + } + } else if (insertAt == 'lastEdit') { + head = getLastEditPos(cm) || head; + } + cm.setOption('disableInput', false); + if (actionArgs && actionArgs.replace) { + // Handle Replace-mode as a special case of insert mode. + cm.toggleOverwrite(true); + cm.setOption('keyMap', 'vim-replace'); + CodeMirror.signal(cm, "vim-mode-change", {mode: "replace"}); + } else { + cm.toggleOverwrite(false); + cm.setOption('keyMap', 'vim-insert'); + CodeMirror.signal(cm, "vim-mode-change", {mode: "insert"}); + } + if (!vimGlobalState.macroModeState.isPlaying) { + // Only record if not replaying. + cm.on('change', onChange); + CodeMirror.on(cm.getInputField(), 'keydown', onKeyEventTargetKeyDown); + } + if (vim.visualMode) { + exitVisualMode(cm); + } + selectForInsert(cm, head, height); + }, + toggleVisualMode: function(cm, actionArgs, vim) { + var repeat = actionArgs.repeat; + var anchor = cm.getCursor(); + var head; + // TODO: The repeat should actually select number of characters/lines + // equal to the repeat times the size of the previous visual + // operation. + if (!vim.visualMode) { + // Entering visual mode + vim.visualMode = true; + vim.visualLine = !!actionArgs.linewise; + vim.visualBlock = !!actionArgs.blockwise; + head = clipCursorToContent( + cm, new Pos(anchor.line, anchor.ch + repeat - 1)); + vim.sel = { + anchor: anchor, + head: head + }; + CodeMirror.signal(cm, "vim-mode-change", {mode: "visual", subMode: vim.visualLine ? "linewise" : vim.visualBlock ? "blockwise" : ""}); + updateCmSelection(cm); + updateMark(cm, vim, '<', cursorMin(anchor, head)); + updateMark(cm, vim, '>', cursorMax(anchor, head)); + } else if (vim.visualLine ^ actionArgs.linewise || + vim.visualBlock ^ actionArgs.blockwise) { + // Toggling between modes + vim.visualLine = !!actionArgs.linewise; + vim.visualBlock = !!actionArgs.blockwise; + CodeMirror.signal(cm, "vim-mode-change", {mode: "visual", subMode: vim.visualLine ? "linewise" : vim.visualBlock ? "blockwise" : ""}); + updateCmSelection(cm); + } else { + exitVisualMode(cm); + } + }, + reselectLastSelection: function(cm, _actionArgs, vim) { + var lastSelection = vim.lastSelection; + if (vim.visualMode) { + updateLastSelection(cm, vim); + } + if (lastSelection) { + var anchor = lastSelection.anchorMark.find(); + var head = lastSelection.headMark.find(); + if (!anchor || !head) { + // If the marks have been destroyed due to edits, do nothing. + return; + } + vim.sel = { + anchor: anchor, + head: head + }; + vim.visualMode = true; + vim.visualLine = lastSelection.visualLine; + vim.visualBlock = lastSelection.visualBlock; + updateCmSelection(cm); + updateMark(cm, vim, '<', cursorMin(anchor, head)); + updateMark(cm, vim, '>', cursorMax(anchor, head)); + CodeMirror.signal(cm, 'vim-mode-change', { + mode: 'visual', + subMode: vim.visualLine ? 'linewise' : + vim.visualBlock ? 'blockwise' : ''}); + } + }, + joinLines: function(cm, actionArgs, vim) { + var curStart, curEnd; + if (vim.visualMode) { + curStart = cm.getCursor('anchor'); + curEnd = cm.getCursor('head'); + if (cursorIsBefore(curEnd, curStart)) { + var tmp = curEnd; + curEnd = curStart; + curStart = tmp; + } + curEnd.ch = lineLength(cm, curEnd.line) - 1; + } else { + // Repeat is the number of lines to join. Minimum 2 lines. + var repeat = Math.max(actionArgs.repeat, 2); + curStart = cm.getCursor(); + curEnd = clipCursorToContent(cm, new Pos(curStart.line + repeat - 1, + Infinity)); + } + var finalCh = 0; + for (var i = curStart.line; i < curEnd.line; i++) { + finalCh = lineLength(cm, curStart.line); + var tmp = new Pos(curStart.line + 1, + lineLength(cm, curStart.line + 1)); + var text = cm.getRange(curStart, tmp); + text = actionArgs.keepSpaces + ? text.replace(/\n\r?/g, '') + : text.replace(/\n\s*/g, ' '); + cm.replaceRange(text, curStart, tmp); + } + var curFinalPos = new Pos(curStart.line, finalCh); + if (vim.visualMode) { + exitVisualMode(cm, false); + } + cm.setCursor(curFinalPos); + }, + newLineAndEnterInsertMode: function(cm, actionArgs, vim) { + vim.insertMode = true; + var insertAt = copyCursor(cm.getCursor()); + if (insertAt.line === cm.firstLine() && !actionArgs.after) { + // Special case for inserting newline before start of document. + cm.replaceRange('\n', new Pos(cm.firstLine(), 0)); + cm.setCursor(cm.firstLine(), 0); + } else { + insertAt.line = (actionArgs.after) ? insertAt.line : + insertAt.line - 1; + insertAt.ch = lineLength(cm, insertAt.line); + cm.setCursor(insertAt); + var newlineFn = CodeMirror.commands.newlineAndIndentContinueComment || + CodeMirror.commands.newlineAndIndent; + newlineFn(cm); + } + this.enterInsertMode(cm, { repeat: actionArgs.repeat }, vim); + }, + paste: function(cm, actionArgs, vim) { + var cur = copyCursor(cm.getCursor()); + var register = vimGlobalState.registerController.getRegister( + actionArgs.registerName); + var text = register.toString(); + if (!text) { + return; + } + if (actionArgs.matchIndent) { + var tabSize = cm.getOption("tabSize"); + // length that considers tabs and tabSize + var whitespaceLength = function(str) { + var tabs = (str.split("\t").length - 1); + var spaces = (str.split(" ").length - 1); + return tabs * tabSize + spaces * 1; + }; + var currentLine = cm.getLine(cm.getCursor().line); + var indent = whitespaceLength(currentLine.match(/^\s*/)[0]); + // chomp last newline b/c don't want it to match /^\s*/gm + var chompedText = text.replace(/\n$/, ''); + var wasChomped = text !== chompedText; + var firstIndent = whitespaceLength(text.match(/^\s*/)[0]); + var text = chompedText.replace(/^\s*/gm, function(wspace) { + var newIndent = indent + (whitespaceLength(wspace) - firstIndent); + if (newIndent < 0) { + return ""; + } + else if (cm.getOption("indentWithTabs")) { + var quotient = Math.floor(newIndent / tabSize); + return Array(quotient + 1).join('\t'); + } + else { + return Array(newIndent + 1).join(' '); + } + }); + text += wasChomped ? "\n" : ""; + } + if (actionArgs.repeat > 1) { + var text = Array(actionArgs.repeat + 1).join(text); + } + var linewise = register.linewise; + var blockwise = register.blockwise; + if (blockwise) { + text = text.split('\n'); + if (linewise) { + text.pop(); + } + for (var i = 0; i < text.length; i++) { + text[i] = (text[i] == '') ? ' ' : text[i]; + } + cur.ch += actionArgs.after ? 1 : 0; + cur.ch = Math.min(lineLength(cm, cur.line), cur.ch); + } else if (linewise) { + if(vim.visualMode) { + text = vim.visualLine ? text.slice(0, -1) : '\n' + text.slice(0, text.length - 1) + '\n'; + } else if (actionArgs.after) { + // Move the newline at the end to the start instead, and paste just + // before the newline character of the line we are on right now. + text = '\n' + text.slice(0, text.length - 1); + cur.ch = lineLength(cm, cur.line); + } else { + cur.ch = 0; + } + } else { + cur.ch += actionArgs.after ? 1 : 0; + } + var curPosFinal; + var idx; + if (vim.visualMode) { + // save the pasted text for reselection if the need arises + vim.lastPastedText = text; + var lastSelectionCurEnd; + var selectedArea = getSelectedAreaRange(cm, vim); + var selectionStart = selectedArea[0]; + var selectionEnd = selectedArea[1]; + var selectedText = cm.getSelection(); + var selections = cm.listSelections(); + var emptyStrings = new Array(selections.length).join('1').split('1'); + // save the curEnd marker before it get cleared due to cm.replaceRange. + if (vim.lastSelection) { + lastSelectionCurEnd = vim.lastSelection.headMark.find(); + } + // push the previously selected text to unnamed register + vimGlobalState.registerController.unnamedRegister.setText(selectedText); + if (blockwise) { + // first delete the selected text + cm.replaceSelections(emptyStrings); + // Set new selections as per the block length of the yanked text + selectionEnd = new Pos(selectionStart.line + text.length-1, selectionStart.ch); + cm.setCursor(selectionStart); + selectBlock(cm, selectionEnd); + cm.replaceSelections(text); + curPosFinal = selectionStart; + } else if (vim.visualBlock) { + cm.replaceSelections(emptyStrings); + cm.setCursor(selectionStart); + cm.replaceRange(text, selectionStart, selectionStart); + curPosFinal = selectionStart; + } else { + cm.replaceRange(text, selectionStart, selectionEnd); + curPosFinal = cm.posFromIndex(cm.indexFromPos(selectionStart) + text.length - 1); + } + // restore the the curEnd marker + if(lastSelectionCurEnd) { + vim.lastSelection.headMark = cm.setBookmark(lastSelectionCurEnd); + } + if (linewise) { + curPosFinal.ch=0; + } + } else { + if (blockwise) { + cm.setCursor(cur); + for (var i = 0; i < text.length; i++) { + var line = cur.line+i; + if (line > cm.lastLine()) { + cm.replaceRange('\n', new Pos(line, 0)); + } + var lastCh = lineLength(cm, line); + if (lastCh < cur.ch) { + extendLineToColumn(cm, line, cur.ch); + } + } + cm.setCursor(cur); + selectBlock(cm, new Pos(cur.line + text.length-1, cur.ch)); + cm.replaceSelections(text); + curPosFinal = cur; + } else { + cm.replaceRange(text, cur); + // Now fine tune the cursor to where we want it. + if (linewise && actionArgs.after) { + curPosFinal = new Pos( + cur.line + 1, + findFirstNonWhiteSpaceCharacter(cm.getLine(cur.line + 1))); + } else if (linewise && !actionArgs.after) { + curPosFinal = new Pos( + cur.line, + findFirstNonWhiteSpaceCharacter(cm.getLine(cur.line))); + } else if (!linewise && actionArgs.after) { + idx = cm.indexFromPos(cur); + curPosFinal = cm.posFromIndex(idx + text.length - 1); + } else { + idx = cm.indexFromPos(cur); + curPosFinal = cm.posFromIndex(idx + text.length); + } + } + } + if (vim.visualMode) { + exitVisualMode(cm, false); + } + cm.setCursor(curPosFinal); + }, + undo: function(cm, actionArgs) { + cm.operation(function() { + repeatFn(cm, CodeMirror.commands.undo, actionArgs.repeat)(); + cm.setCursor(cm.getCursor('anchor')); + }); + }, + redo: function(cm, actionArgs) { + repeatFn(cm, CodeMirror.commands.redo, actionArgs.repeat)(); + }, + setRegister: function(_cm, actionArgs, vim) { + vim.inputState.registerName = actionArgs.selectedCharacter; + }, + setMark: function(cm, actionArgs, vim) { + var markName = actionArgs.selectedCharacter; + updateMark(cm, vim, markName, cm.getCursor()); + }, + replace: function(cm, actionArgs, vim) { + var replaceWith = actionArgs.selectedCharacter; + var curStart = cm.getCursor(); + var replaceTo; + var curEnd; + var selections = cm.listSelections(); + if (vim.visualMode) { + curStart = cm.getCursor('start'); + curEnd = cm.getCursor('end'); + } else { + var line = cm.getLine(curStart.line); + replaceTo = curStart.ch + actionArgs.repeat; + if (replaceTo > line.length) { + replaceTo=line.length; + } + curEnd = new Pos(curStart.line, replaceTo); + } + if (replaceWith=='\n') { + if (!vim.visualMode) cm.replaceRange('', curStart, curEnd); + // special case, where vim help says to replace by just one line-break + (CodeMirror.commands.newlineAndIndentContinueComment || CodeMirror.commands.newlineAndIndent)(cm); + } else { + var replaceWithStr = cm.getRange(curStart, curEnd); + //replace all characters in range by selected, but keep linebreaks + replaceWithStr = replaceWithStr.replace(/[^\n]/g, replaceWith); + if (vim.visualBlock) { + // Tabs are split in visua block before replacing + var spaces = new Array(cm.getOption("tabSize")+1).join(' '); + replaceWithStr = cm.getSelection(); + replaceWithStr = replaceWithStr.replace(/\t/g, spaces).replace(/[^\n]/g, replaceWith).split('\n'); + cm.replaceSelections(replaceWithStr); + } else { + cm.replaceRange(replaceWithStr, curStart, curEnd); + } + if (vim.visualMode) { + curStart = cursorIsBefore(selections[0].anchor, selections[0].head) ? + selections[0].anchor : selections[0].head; + cm.setCursor(curStart); + exitVisualMode(cm, false); + } else { + cm.setCursor(offsetCursor(curEnd, 0, -1)); + } + } + }, + incrementNumberToken: function(cm, actionArgs) { + var cur = cm.getCursor(); + var lineStr = cm.getLine(cur.line); + var re = /(-?)(?:(0x)([\da-f]+)|(0b|0|)(\d+))/gi; + var match; + var start; + var end; + var numberStr; + while ((match = re.exec(lineStr)) !== null) { + start = match.index; + end = start + match[0].length; + if (cur.ch < end)break; + } + if (!actionArgs.backtrack && (end <= cur.ch))return; + if (match) { + var baseStr = match[2] || match[4]; + var digits = match[3] || match[5]; + var increment = actionArgs.increase ? 1 : -1; + var base = {'0b': 2, '0': 8, '': 10, '0x': 16}[baseStr.toLowerCase()]; + var number = parseInt(match[1] + digits, base) + (increment * actionArgs.repeat); + numberStr = number.toString(base); + var zeroPadding = baseStr ? new Array(digits.length - numberStr.length + 1 + match[1].length).join('0') : ''; + if (numberStr.charAt(0) === '-') { + numberStr = '-' + baseStr + zeroPadding + numberStr.substr(1); + } else { + numberStr = baseStr + zeroPadding + numberStr; + } + var from = new Pos(cur.line, start); + var to = new Pos(cur.line, end); + cm.replaceRange(numberStr, from, to); + } else { + return; + } + cm.setCursor(new Pos(cur.line, start + numberStr.length - 1)); + }, + repeatLastEdit: function(cm, actionArgs, vim) { + var lastEditInputState = vim.lastEditInputState; + if (!lastEditInputState) { return; } + var repeat = actionArgs.repeat; + if (repeat && actionArgs.repeatIsExplicit) { + vim.lastEditInputState.repeatOverride = repeat; + } else { + repeat = vim.lastEditInputState.repeatOverride || repeat; + } + repeatLastEdit(cm, vim, repeat, false /** repeatForInsert */); + }, + indent: function(cm, actionArgs) { + cm.indentLine(cm.getCursor().line, actionArgs.indentRight); + }, + exitInsertMode: exitInsertMode + }; + + function defineAction(name, fn) { + actions[name] = fn; + } + + /* + * Below are miscellaneous utility functions used by vim.js + */ + + /** + * Clips cursor to ensure that line is within the buffer's range + * If includeLineBreak is true, then allow cur.ch == lineLength. + */ + function clipCursorToContent(cm, cur) { + var vim = cm.state.vim; + var includeLineBreak = vim.insertMode || vim.visualMode; + var line = Math.min(Math.max(cm.firstLine(), cur.line), cm.lastLine() ); + var maxCh = lineLength(cm, line) - 1 + !!includeLineBreak; + var ch = Math.min(Math.max(0, cur.ch), maxCh); + return new Pos(line, ch); + } + function copyArgs(args) { + var ret = {}; + for (var prop in args) { + if (args.hasOwnProperty(prop)) { + ret[prop] = args[prop]; + } + } + return ret; + } + function offsetCursor(cur, offsetLine, offsetCh) { + if (typeof offsetLine === 'object') { + offsetCh = offsetLine.ch; + offsetLine = offsetLine.line; + } + return new Pos(cur.line + offsetLine, cur.ch + offsetCh); + } + function commandMatches(keys, keyMap, context, inputState) { + // Partial matches are not applied. They inform the key handler + // that the current key sequence is a subsequence of a valid key + // sequence, so that the key buffer is not cleared. + var match, partial = [], full = []; + for (var i = 0; i < keyMap.length; i++) { + var command = keyMap[i]; + if (context == 'insert' && command.context != 'insert' || + command.context && command.context != context || + inputState.operator && command.type == 'action' || + !(match = commandMatch(keys, command.keys))) { continue; } + if (match == 'partial') { partial.push(command); } + if (match == 'full') { full.push(command); } + } + return { + partial: partial.length && partial, + full: full.length && full + }; + } + function commandMatch(pressed, mapped) { + if (mapped.slice(-11) == '') { + // Last character matches anything. + var prefixLen = mapped.length - 11; + var pressedPrefix = pressed.slice(0, prefixLen); + var mappedPrefix = mapped.slice(0, prefixLen); + return pressedPrefix == mappedPrefix && pressed.length > prefixLen ? 'full' : + mappedPrefix.indexOf(pressedPrefix) == 0 ? 'partial' : false; + } else { + return pressed == mapped ? 'full' : + mapped.indexOf(pressed) == 0 ? 'partial' : false; + } + } + function lastChar(keys) { + var match = /^.*(<[^>]+>)$/.exec(keys); + var selectedCharacter = match ? match[1] : keys.slice(-1); + if (selectedCharacter.length > 1){ + switch(selectedCharacter){ + case '': + selectedCharacter='\n'; + break; + case '': + selectedCharacter=' '; + break; + default: + selectedCharacter=''; + break; + } + } + return selectedCharacter; + } + function repeatFn(cm, fn, repeat) { + return function() { + for (var i = 0; i < repeat; i++) { + fn(cm); + } + }; + } + function copyCursor(cur) { + return new Pos(cur.line, cur.ch); + } + function cursorEqual(cur1, cur2) { + return cur1.ch == cur2.ch && cur1.line == cur2.line; + } + function cursorIsBefore(cur1, cur2) { + if (cur1.line < cur2.line) { + return true; + } + if (cur1.line == cur2.line && cur1.ch < cur2.ch) { + return true; + } + return false; + } + function cursorMin(cur1, cur2) { + if (arguments.length > 2) { + cur2 = cursorMin.apply(undefined, Array.prototype.slice.call(arguments, 1)); + } + return cursorIsBefore(cur1, cur2) ? cur1 : cur2; + } + function cursorMax(cur1, cur2) { + if (arguments.length > 2) { + cur2 = cursorMax.apply(undefined, Array.prototype.slice.call(arguments, 1)); + } + return cursorIsBefore(cur1, cur2) ? cur2 : cur1; + } + function cursorIsBetween(cur1, cur2, cur3) { + // returns true if cur2 is between cur1 and cur3. + var cur1before2 = cursorIsBefore(cur1, cur2); + var cur2before3 = cursorIsBefore(cur2, cur3); + return cur1before2 && cur2before3; + } + function lineLength(cm, lineNum) { + return cm.getLine(lineNum).length; + } + function trim(s) { + if (s.trim) { + return s.trim(); + } + return s.replace(/^\s+|\s+$/g, ''); + } + function escapeRegex(s) { + return s.replace(/([.?*+$\[\]\/\\(){}|\-])/g, '\\$1'); + } + function extendLineToColumn(cm, lineNum, column) { + var endCh = lineLength(cm, lineNum); + var spaces = new Array(column-endCh+1).join(' '); + cm.setCursor(new Pos(lineNum, endCh)); + cm.replaceRange(spaces, cm.getCursor()); + } + // This functions selects a rectangular block + // of text with selectionEnd as any of its corner + // Height of block: + // Difference in selectionEnd.line and first/last selection.line + // Width of the block: + // Distance between selectionEnd.ch and any(first considered here) selection.ch + function selectBlock(cm, selectionEnd) { + var selections = [], ranges = cm.listSelections(); + var head = copyCursor(cm.clipPos(selectionEnd)); + var isClipped = !cursorEqual(selectionEnd, head); + var curHead = cm.getCursor('head'); + var primIndex = getIndex(ranges, curHead); + var wasClipped = cursorEqual(ranges[primIndex].head, ranges[primIndex].anchor); + var max = ranges.length - 1; + var index = max - primIndex > primIndex ? max : 0; + var base = ranges[index].anchor; + + var firstLine = Math.min(base.line, head.line); + var lastLine = Math.max(base.line, head.line); + var baseCh = base.ch, headCh = head.ch; + + var dir = ranges[index].head.ch - baseCh; + var newDir = headCh - baseCh; + if (dir > 0 && newDir <= 0) { + baseCh++; + if (!isClipped) { headCh--; } + } else if (dir < 0 && newDir >= 0) { + baseCh--; + if (!wasClipped) { headCh++; } + } else if (dir < 0 && newDir == -1) { + baseCh--; + headCh++; + } + for (var line = firstLine; line <= lastLine; line++) { + var range = {anchor: new Pos(line, baseCh), head: new Pos(line, headCh)}; + selections.push(range); + } + cm.setSelections(selections); + selectionEnd.ch = headCh; + base.ch = baseCh; + return base; + } + function selectForInsert(cm, head, height) { + var sel = []; + for (var i = 0; i < height; i++) { + var lineHead = offsetCursor(head, i, 0); + sel.push({anchor: lineHead, head: lineHead}); + } + cm.setSelections(sel, 0); + } + // getIndex returns the index of the cursor in the selections. + function getIndex(ranges, cursor, end) { + for (var i = 0; i < ranges.length; i++) { + var atAnchor = end != 'head' && cursorEqual(ranges[i].anchor, cursor); + var atHead = end != 'anchor' && cursorEqual(ranges[i].head, cursor); + if (atAnchor || atHead) { + return i; + } + } + return -1; + } + function getSelectedAreaRange(cm, vim) { + var lastSelection = vim.lastSelection; + var getCurrentSelectedAreaRange = function() { + var selections = cm.listSelections(); + var start = selections[0]; + var end = selections[selections.length-1]; + var selectionStart = cursorIsBefore(start.anchor, start.head) ? start.anchor : start.head; + var selectionEnd = cursorIsBefore(end.anchor, end.head) ? end.head : end.anchor; + return [selectionStart, selectionEnd]; + }; + var getLastSelectedAreaRange = function() { + var selectionStart = cm.getCursor(); + var selectionEnd = cm.getCursor(); + var block = lastSelection.visualBlock; + if (block) { + var width = block.width; + var height = block.height; + selectionEnd = new Pos(selectionStart.line + height, selectionStart.ch + width); + var selections = []; + // selectBlock creates a 'proper' rectangular block. + // We do not want that in all cases, so we manually set selections. + for (var i = selectionStart.line; i < selectionEnd.line; i++) { + var anchor = new Pos(i, selectionStart.ch); + var head = new Pos(i, selectionEnd.ch); + var range = {anchor: anchor, head: head}; + selections.push(range); + } + cm.setSelections(selections); + } else { + var start = lastSelection.anchorMark.find(); + var end = lastSelection.headMark.find(); + var line = end.line - start.line; + var ch = end.ch - start.ch; + selectionEnd = {line: selectionEnd.line + line, ch: line ? selectionEnd.ch : ch + selectionEnd.ch}; + if (lastSelection.visualLine) { + selectionStart = new Pos(selectionStart.line, 0); + selectionEnd = new Pos(selectionEnd.line, lineLength(cm, selectionEnd.line)); + } + cm.setSelection(selectionStart, selectionEnd); + } + return [selectionStart, selectionEnd]; + }; + if (!vim.visualMode) { + // In case of replaying the action. + return getLastSelectedAreaRange(); + } else { + return getCurrentSelectedAreaRange(); + } + } + // Updates the previous selection with the current selection's values. This + // should only be called in visual mode. + function updateLastSelection(cm, vim) { + var anchor = vim.sel.anchor; + var head = vim.sel.head; + // To accommodate the effect of lastPastedText in the last selection + if (vim.lastPastedText) { + head = cm.posFromIndex(cm.indexFromPos(anchor) + vim.lastPastedText.length); + vim.lastPastedText = null; + } + vim.lastSelection = {'anchorMark': cm.setBookmark(anchor), + 'headMark': cm.setBookmark(head), + 'anchor': copyCursor(anchor), + 'head': copyCursor(head), + 'visualMode': vim.visualMode, + 'visualLine': vim.visualLine, + 'visualBlock': vim.visualBlock}; + } + function expandSelection(cm, start, end) { + var sel = cm.state.vim.sel; + var head = sel.head; + var anchor = sel.anchor; + var tmp; + if (cursorIsBefore(end, start)) { + tmp = end; + end = start; + start = tmp; + } + if (cursorIsBefore(head, anchor)) { + head = cursorMin(start, head); + anchor = cursorMax(anchor, end); + } else { + anchor = cursorMin(start, anchor); + head = cursorMax(head, end); + head = offsetCursor(head, 0, -1); + if (head.ch == -1 && head.line != cm.firstLine()) { + head = new Pos(head.line - 1, lineLength(cm, head.line - 1)); + } + } + return [anchor, head]; + } + /** + * Updates the CodeMirror selection to match the provided vim selection. + * If no arguments are given, it uses the current vim selection state. + */ + function updateCmSelection(cm, sel, mode) { + var vim = cm.state.vim; + sel = sel || vim.sel; + var mode = mode || + vim.visualLine ? 'line' : vim.visualBlock ? 'block' : 'char'; + var cmSel = makeCmSelection(cm, sel, mode); + cm.setSelections(cmSel.ranges, cmSel.primary); + } + function makeCmSelection(cm, sel, mode, exclusive) { + var head = copyCursor(sel.head); + var anchor = copyCursor(sel.anchor); + if (mode == 'char') { + var headOffset = !exclusive && !cursorIsBefore(sel.head, sel.anchor) ? 1 : 0; + var anchorOffset = cursorIsBefore(sel.head, sel.anchor) ? 1 : 0; + head = offsetCursor(sel.head, 0, headOffset); + anchor = offsetCursor(sel.anchor, 0, anchorOffset); + return { + ranges: [{anchor: anchor, head: head}], + primary: 0 + }; + } else if (mode == 'line') { + if (!cursorIsBefore(sel.head, sel.anchor)) { + anchor.ch = 0; + + var lastLine = cm.lastLine(); + if (head.line > lastLine) { + head.line = lastLine; + } + head.ch = lineLength(cm, head.line); + } else { + head.ch = 0; + anchor.ch = lineLength(cm, anchor.line); + } + return { + ranges: [{anchor: anchor, head: head}], + primary: 0 + }; + } else if (mode == 'block') { + var top = Math.min(anchor.line, head.line), + fromCh = anchor.ch, + bottom = Math.max(anchor.line, head.line), + toCh = head.ch; + if (fromCh < toCh) { toCh += 1; } + else { fromCh += 1; } var height = bottom - top + 1; + var primary = head.line == top ? 0 : height - 1; + var ranges = []; + for (var i = 0; i < height; i++) { + ranges.push({ + anchor: new Pos(top + i, fromCh), + head: new Pos(top + i, toCh) + }); + } + return { + ranges: ranges, + primary: primary + }; + } + } + function getHead(cm) { + var cur = cm.getCursor('head'); + if (cm.getSelection().length == 1) { + // Small corner case when only 1 character is selected. The "real" + // head is the left of head and anchor. + cur = cursorMin(cur, cm.getCursor('anchor')); + } + return cur; + } + + /** + * If moveHead is set to false, the CodeMirror selection will not be + * touched. The caller assumes the responsibility of putting the cursor + * in the right place. + */ + function exitVisualMode(cm, moveHead) { + var vim = cm.state.vim; + if (moveHead !== false) { + cm.setCursor(clipCursorToContent(cm, vim.sel.head)); + } + updateLastSelection(cm, vim); + vim.visualMode = false; + vim.visualLine = false; + vim.visualBlock = false; + if (!vim.insertMode) CodeMirror.signal(cm, "vim-mode-change", {mode: "normal"}); + } + + // Remove any trailing newlines from the selection. For + // example, with the caret at the start of the last word on the line, + // 'dw' should word, but not the newline, while 'w' should advance the + // caret to the first character of the next line. + function clipToLine(cm, curStart, curEnd) { + var selection = cm.getRange(curStart, curEnd); + // Only clip if the selection ends with trailing newline + whitespace + if (/\n\s*$/.test(selection)) { + var lines = selection.split('\n'); + // We know this is all whitespace. + lines.pop(); + + // Cases: + // 1. Last word is an empty line - do not clip the trailing '\n' + // 2. Last word is not an empty line - clip the trailing '\n' + var line; + // Find the line containing the last word, and clip all whitespace up + // to it. + for (var line = lines.pop(); lines.length > 0 && line && isWhiteSpaceString(line); line = lines.pop()) { + curEnd.line--; + curEnd.ch = 0; + } + // If the last word is not an empty line, clip an additional newline + if (line) { + curEnd.line--; + curEnd.ch = lineLength(cm, curEnd.line); + } else { + curEnd.ch = 0; + } + } + } + + // Expand the selection to line ends. + function expandSelectionToLine(_cm, curStart, curEnd) { + curStart.ch = 0; + curEnd.ch = 0; + curEnd.line++; + } + + function findFirstNonWhiteSpaceCharacter(text) { + if (!text) { + return 0; + } + var firstNonWS = text.search(/\S/); + return firstNonWS == -1 ? text.length : firstNonWS; + } + + function expandWordUnderCursor(cm, inclusive, _forward, bigWord, noSymbol) { + var cur = getHead(cm); + var line = cm.getLine(cur.line); + var idx = cur.ch; + + // Seek to first word or non-whitespace character, depending on if + // noSymbol is true. + var test = noSymbol ? wordCharTest[0] : bigWordCharTest [0]; + while (!test(line.charAt(idx))) { + idx++; + if (idx >= line.length) { return null; } + } + + if (bigWord) { + test = bigWordCharTest[0]; + } else { + test = wordCharTest[0]; + if (!test(line.charAt(idx))) { + test = wordCharTest[1]; + } + } + + var end = idx, start = idx; + while (test(line.charAt(end)) && end < line.length) { end++; } + while (test(line.charAt(start)) && start >= 0) { start--; } + start++; + + if (inclusive) { + // If present, include all whitespace after word. + // Otherwise, include all whitespace before word, except indentation. + var wordEnd = end; + while (/\s/.test(line.charAt(end)) && end < line.length) { end++; } + if (wordEnd == end) { + var wordStart = start; + while (/\s/.test(line.charAt(start - 1)) && start > 0) { start--; } + if (!start) { start = wordStart; } + } + } + return { start: new Pos(cur.line, start), end: new Pos(cur.line, end) }; + } + + /** + * Depends on the following: + * + * - editor mode should be htmlmixedmode / xml + * - mode/xml/xml.js should be loaded + * - addon/fold/xml-fold.js should be loaded + * + * If any of the above requirements are not true, this function noops. + * + * This is _NOT_ a 100% accurate implementation of vim tag text objects. + * The following caveats apply (based off cursory testing, I'm sure there + * are other discrepancies): + * + * - Does not work inside comments: + * ``` + * + * ``` + * - Does not work when tags have different cases: + * ``` + *
broken
+ * ``` + * - Does not work when cursor is inside a broken tag: + * ``` + *
+ * ``` + */ + function expandTagUnderCursor(cm, head, inclusive) { + var cur = head; + if (!CodeMirror.findMatchingTag || !CodeMirror.findEnclosingTag) { + return { start: cur, end: cur }; + } + + var tags = CodeMirror.findMatchingTag(cm, head) || CodeMirror.findEnclosingTag(cm, head); + if (!tags || !tags.open || !tags.close) { + return { start: cur, end: cur }; + } + + if (inclusive) { + return { start: tags.open.from, end: tags.close.to }; + } + return { start: tags.open.to, end: tags.close.from }; + } + + function recordJumpPosition(cm, oldCur, newCur) { + if (!cursorEqual(oldCur, newCur)) { + vimGlobalState.jumpList.add(cm, oldCur, newCur); + } + } + + function recordLastCharacterSearch(increment, args) { + vimGlobalState.lastCharacterSearch.increment = increment; + vimGlobalState.lastCharacterSearch.forward = args.forward; + vimGlobalState.lastCharacterSearch.selectedCharacter = args.selectedCharacter; + } + + var symbolToMode = { + '(': 'bracket', ')': 'bracket', '{': 'bracket', '}': 'bracket', + '[': 'section', ']': 'section', + '*': 'comment', '/': 'comment', + 'm': 'method', 'M': 'method', + '#': 'preprocess' + }; + var findSymbolModes = { + bracket: { + isComplete: function(state) { + if (state.nextCh === state.symb) { + state.depth++; + if (state.depth >= 1)return true; + } else if (state.nextCh === state.reverseSymb) { + state.depth--; + } + return false; + } + }, + section: { + init: function(state) { + state.curMoveThrough = true; + state.symb = (state.forward ? ']' : '[') === state.symb ? '{' : '}'; + }, + isComplete: function(state) { + return state.index === 0 && state.nextCh === state.symb; + } + }, + comment: { + isComplete: function(state) { + var found = state.lastCh === '*' && state.nextCh === '/'; + state.lastCh = state.nextCh; + return found; + } + }, + // TODO: The original Vim implementation only operates on level 1 and 2. + // The current implementation doesn't check for code block level and + // therefore it operates on any levels. + method: { + init: function(state) { + state.symb = (state.symb === 'm' ? '{' : '}'); + state.reverseSymb = state.symb === '{' ? '}' : '{'; + }, + isComplete: function(state) { + if (state.nextCh === state.symb)return true; + return false; + } + }, + preprocess: { + init: function(state) { + state.index = 0; + }, + isComplete: function(state) { + if (state.nextCh === '#') { + var token = state.lineText.match(/^#(\w+)/)[1]; + if (token === 'endif') { + if (state.forward && state.depth === 0) { + return true; + } + state.depth++; + } else if (token === 'if') { + if (!state.forward && state.depth === 0) { + return true; + } + state.depth--; + } + if (token === 'else' && state.depth === 0)return true; + } + return false; + } + } + }; + function findSymbol(cm, repeat, forward, symb) { + var cur = copyCursor(cm.getCursor()); + var increment = forward ? 1 : -1; + var endLine = forward ? cm.lineCount() : -1; + var curCh = cur.ch; + var line = cur.line; + var lineText = cm.getLine(line); + var state = { + lineText: lineText, + nextCh: lineText.charAt(curCh), + lastCh: null, + index: curCh, + symb: symb, + reverseSymb: (forward ? { ')': '(', '}': '{' } : { '(': ')', '{': '}' })[symb], + forward: forward, + depth: 0, + curMoveThrough: false + }; + var mode = symbolToMode[symb]; + if (!mode)return cur; + var init = findSymbolModes[mode].init; + var isComplete = findSymbolModes[mode].isComplete; + if (init) { init(state); } + while (line !== endLine && repeat) { + state.index += increment; + state.nextCh = state.lineText.charAt(state.index); + if (!state.nextCh) { + line += increment; + state.lineText = cm.getLine(line) || ''; + if (increment > 0) { + state.index = 0; + } else { + var lineLen = state.lineText.length; + state.index = (lineLen > 0) ? (lineLen-1) : 0; + } + state.nextCh = state.lineText.charAt(state.index); + } + if (isComplete(state)) { + cur.line = line; + cur.ch = state.index; + repeat--; + } + } + if (state.nextCh || state.curMoveThrough) { + return new Pos(line, state.index); + } + return cur; + } + + /* + * Returns the boundaries of the next word. If the cursor in the middle of + * the word, then returns the boundaries of the current word, starting at + * the cursor. If the cursor is at the start/end of a word, and we are going + * forward/backward, respectively, find the boundaries of the next word. + * + * @param {CodeMirror} cm CodeMirror object. + * @param {Cursor} cur The cursor position. + * @param {boolean} forward True to search forward. False to search + * backward. + * @param {boolean} bigWord True if punctuation count as part of the word. + * False if only [a-zA-Z0-9] characters count as part of the word. + * @param {boolean} emptyLineIsWord True if empty lines should be treated + * as words. + * @return {Object{from:number, to:number, line: number}} The boundaries of + * the word, or null if there are no more words. + */ + function findWord(cm, cur, forward, bigWord, emptyLineIsWord) { + var lineNum = cur.line; + var pos = cur.ch; + var line = cm.getLine(lineNum); + var dir = forward ? 1 : -1; + var charTests = bigWord ? bigWordCharTest: wordCharTest; + + if (emptyLineIsWord && line == '') { + lineNum += dir; + line = cm.getLine(lineNum); + if (!isLine(cm, lineNum)) { + return null; + } + pos = (forward) ? 0 : line.length; + } + + while (true) { + if (emptyLineIsWord && line == '') { + return { from: 0, to: 0, line: lineNum }; + } + var stop = (dir > 0) ? line.length : -1; + var wordStart = stop, wordEnd = stop; + // Find bounds of next word. + while (pos != stop) { + var foundWord = false; + for (var i = 0; i < charTests.length && !foundWord; ++i) { + if (charTests[i](line.charAt(pos))) { + wordStart = pos; + // Advance to end of word. + while (pos != stop && charTests[i](line.charAt(pos))) { + pos += dir; + } + wordEnd = pos; + foundWord = wordStart != wordEnd; + if (wordStart == cur.ch && lineNum == cur.line && + wordEnd == wordStart + dir) { + // We started at the end of a word. Find the next one. + continue; + } else { + return { + from: Math.min(wordStart, wordEnd + 1), + to: Math.max(wordStart, wordEnd), + line: lineNum }; + } + } + } + if (!foundWord) { + pos += dir; + } + } + // Advance to next/prev line. + lineNum += dir; + if (!isLine(cm, lineNum)) { + return null; + } + line = cm.getLine(lineNum); + pos = (dir > 0) ? 0 : line.length; + } + } + + /** + * @param {CodeMirror} cm CodeMirror object. + * @param {Pos} cur The position to start from. + * @param {int} repeat Number of words to move past. + * @param {boolean} forward True to search forward. False to search + * backward. + * @param {boolean} wordEnd True to move to end of word. False to move to + * beginning of word. + * @param {boolean} bigWord True if punctuation count as part of the word. + * False if only alphabet characters count as part of the word. + * @return {Cursor} The position the cursor should move to. + */ + function moveToWord(cm, cur, repeat, forward, wordEnd, bigWord) { + var curStart = copyCursor(cur); + var words = []; + if (forward && !wordEnd || !forward && wordEnd) { + repeat++; + } + // For 'e', empty lines are not considered words, go figure. + var emptyLineIsWord = !(forward && wordEnd); + for (var i = 0; i < repeat; i++) { + var word = findWord(cm, cur, forward, bigWord, emptyLineIsWord); + if (!word) { + var eodCh = lineLength(cm, cm.lastLine()); + words.push(forward + ? {line: cm.lastLine(), from: eodCh, to: eodCh} + : {line: 0, from: 0, to: 0}); + break; + } + words.push(word); + cur = new Pos(word.line, forward ? (word.to - 1) : word.from); + } + var shortCircuit = words.length != repeat; + var firstWord = words[0]; + var lastWord = words.pop(); + if (forward && !wordEnd) { + // w + if (!shortCircuit && (firstWord.from != curStart.ch || firstWord.line != curStart.line)) { + // We did not start in the middle of a word. Discard the extra word at the end. + lastWord = words.pop(); + } + return new Pos(lastWord.line, lastWord.from); + } else if (forward && wordEnd) { + return new Pos(lastWord.line, lastWord.to - 1); + } else if (!forward && wordEnd) { + // ge + if (!shortCircuit && (firstWord.to != curStart.ch || firstWord.line != curStart.line)) { + // We did not start in the middle of a word. Discard the extra word at the end. + lastWord = words.pop(); + } + return new Pos(lastWord.line, lastWord.to); + } else { + // b + return new Pos(lastWord.line, lastWord.from); + } + } + + function moveToEol(cm, head, motionArgs, vim, keepHPos) { + var cur = head; + var retval= new Pos(cur.line + motionArgs.repeat - 1, Infinity); + var end=cm.clipPos(retval); + end.ch--; + if (!keepHPos) { + vim.lastHPos = Infinity; + vim.lastHSPos = cm.charCoords(end,'div').left; + } + return retval; + } + + function moveToCharacter(cm, repeat, forward, character) { + var cur = cm.getCursor(); + var start = cur.ch; + var idx; + for (var i = 0; i < repeat; i ++) { + var line = cm.getLine(cur.line); + idx = charIdxInLine(start, line, character, forward, true); + if (idx == -1) { + return null; + } + start = idx; + } + return new Pos(cm.getCursor().line, idx); + } + + function moveToColumn(cm, repeat) { + // repeat is always >= 1, so repeat - 1 always corresponds + // to the column we want to go to. + var line = cm.getCursor().line; + return clipCursorToContent(cm, new Pos(line, repeat - 1)); + } + + function updateMark(cm, vim, markName, pos) { + if (!inArray(markName, validMarks)) { + return; + } + if (vim.marks[markName]) { + vim.marks[markName].clear(); + } + vim.marks[markName] = cm.setBookmark(pos); + } + + function charIdxInLine(start, line, character, forward, includeChar) { + // Search for char in line. + // motion_options: {forward, includeChar} + // If includeChar = true, include it too. + // If forward = true, search forward, else search backwards. + // If char is not found on this line, do nothing + var idx; + if (forward) { + idx = line.indexOf(character, start + 1); + if (idx != -1 && !includeChar) { + idx -= 1; + } + } else { + idx = line.lastIndexOf(character, start - 1); + if (idx != -1 && !includeChar) { + idx += 1; + } + } + return idx; + } + + function findParagraph(cm, head, repeat, dir, inclusive) { + var line = head.line; + var min = cm.firstLine(); + var max = cm.lastLine(); + var start, end, i = line; + function isEmpty(i) { return !cm.getLine(i); } + function isBoundary(i, dir, any) { + if (any) { return isEmpty(i) != isEmpty(i + dir); } + return !isEmpty(i) && isEmpty(i + dir); + } + if (dir) { + while (min <= i && i <= max && repeat > 0) { + if (isBoundary(i, dir)) { repeat--; } + i += dir; + } + return new Pos(i, 0); + } + + var vim = cm.state.vim; + if (vim.visualLine && isBoundary(line, 1, true)) { + var anchor = vim.sel.anchor; + if (isBoundary(anchor.line, -1, true)) { + if (!inclusive || anchor.line != line) { + line += 1; + } + } + } + var startState = isEmpty(line); + for (i = line; i <= max && repeat; i++) { + if (isBoundary(i, 1, true)) { + if (!inclusive || isEmpty(i) != startState) { + repeat--; + } + } + } + end = new Pos(i, 0); + // select boundary before paragraph for the last one + if (i > max && !startState) { startState = true; } + else { inclusive = false; } + for (i = line; i > min; i--) { + if (!inclusive || isEmpty(i) == startState || i == line) { + if (isBoundary(i, -1, true)) { break; } + } + } + start = new Pos(i, 0); + return { start: start, end: end }; + } + function getSentence(cm, cur, repeat, dir, inclusive /*includes whitespace*/) { + /* + Takes an index object + { + line: the line string, + ln: line number, + pos: index in line, + dir: direction of traversal (-1 or 1) + } + and modifies the pos member to represent the + next valid position or sets the line to null if there are + no more valid positions. + */ + function nextChar(curr) { + if (curr.pos + curr.dir < 0 || curr.pos + curr.dir >= curr.line.length) { + curr.line = null; + } + else { + curr.pos += curr.dir; + } + } + /* + Performs one iteration of traversal in forward direction + Returns an index object of the new location + */ + function forward(cm, ln, pos, dir) { + var line = cm.getLine(ln); + + var curr = { + line: line, + ln: ln, + pos: pos, + dir: dir, + }; + + if (curr.line === "") { + return { ln: curr.ln, pos: curr.pos }; + } + + var lastSentencePos = curr.pos; + + // Move one step to skip character we start on + nextChar(curr); + + while (curr.line !== null) { + lastSentencePos = curr.pos; + if (isEndOfSentenceSymbol(curr.line[curr.pos])) { + if (!inclusive) { + return { ln: curr.ln, pos: curr.pos + 1 }; + } else { + nextChar(curr); + while (curr.line !== null ) { + if (isWhiteSpaceString(curr.line[curr.pos])) { + lastSentencePos = curr.pos; + nextChar(curr); + } else { + break; + } + } + return { ln: curr.ln, pos: lastSentencePos + 1, }; + } + } + nextChar(curr); + } + return { ln: curr.ln, pos: lastSentencePos + 1 }; + } + + /* + Performs one iteration of traversal in reverse direction + Returns an index object of the new location + */ + function reverse(cm, ln, pos, dir) { + var line = cm.getLine(ln); + + var curr = { + line: line, + ln: ln, + pos: pos, + dir: dir, + }; + + if (curr.line === "") { + return { ln: curr.ln, pos: curr.pos }; + } + + var lastSentencePos = curr.pos; + + // Move one step to skip character we start on + nextChar(curr); + + while (curr.line !== null) { + if (!isWhiteSpaceString(curr.line[curr.pos]) && !isEndOfSentenceSymbol(curr.line[curr.pos])) { + lastSentencePos = curr.pos; + } + + else if (isEndOfSentenceSymbol(curr.line[curr.pos]) ) { + if (!inclusive) { + return { ln: curr.ln, pos: lastSentencePos }; + } else { + if (isWhiteSpaceString(curr.line[curr.pos + 1])) { + return { ln: curr.ln, pos: curr.pos + 1, }; + } else { + return {ln: curr.ln, pos: lastSentencePos}; + } + } + } + + nextChar(curr); + } + curr.line = line; + if (inclusive && isWhiteSpaceString(curr.line[curr.pos])) { + return { ln: curr.ln, pos: curr.pos }; + } else { + return { ln: curr.ln, pos: lastSentencePos }; + } + + } + + var curr_index = { + ln: cur.line, + pos: cur.ch, + }; + + while (repeat > 0) { + if (dir < 0) { + curr_index = reverse(cm, curr_index.ln, curr_index.pos, dir); + } + else { + curr_index = forward(cm, curr_index.ln, curr_index.pos, dir); + } + repeat--; + } + + return new Pos(curr_index.ln, curr_index.pos); + } + + function findSentence(cm, cur, repeat, dir) { + + /* + Takes an index object + { + line: the line string, + ln: line number, + pos: index in line, + dir: direction of traversal (-1 or 1) + } + and modifies the line, ln, and pos members to represent the + next valid position or sets them to null if there are + no more valid positions. + */ + function nextChar(cm, idx) { + if (idx.pos + idx.dir < 0 || idx.pos + idx.dir >= idx.line.length) { + idx.ln += idx.dir; + if (!isLine(cm, idx.ln)) { + idx.line = null; + idx.ln = null; + idx.pos = null; + return; + } + idx.line = cm.getLine(idx.ln); + idx.pos = (idx.dir > 0) ? 0 : idx.line.length - 1; + } + else { + idx.pos += idx.dir; + } + } + + /* + Performs one iteration of traversal in forward direction + Returns an index object of the new location + */ + function forward(cm, ln, pos, dir) { + var line = cm.getLine(ln); + var stop = (line === ""); + + var curr = { + line: line, + ln: ln, + pos: pos, + dir: dir, + }; + + var last_valid = { + ln: curr.ln, + pos: curr.pos, + }; + + var skip_empty_lines = (curr.line === ""); + + // Move one step to skip character we start on + nextChar(cm, curr); + + while (curr.line !== null) { + last_valid.ln = curr.ln; + last_valid.pos = curr.pos; + + if (curr.line === "" && !skip_empty_lines) { + return { ln: curr.ln, pos: curr.pos, }; + } + else if (stop && curr.line !== "" && !isWhiteSpaceString(curr.line[curr.pos])) { + return { ln: curr.ln, pos: curr.pos, }; + } + else if (isEndOfSentenceSymbol(curr.line[curr.pos]) + && !stop + && (curr.pos === curr.line.length - 1 + || isWhiteSpaceString(curr.line[curr.pos + 1]))) { + stop = true; + } + + nextChar(cm, curr); + } + + /* + Set the position to the last non whitespace character on the last + valid line in the case that we reach the end of the document. + */ + var line = cm.getLine(last_valid.ln); + last_valid.pos = 0; + for(var i = line.length - 1; i >= 0; --i) { + if (!isWhiteSpaceString(line[i])) { + last_valid.pos = i; + break; + } + } + + return last_valid; + + } + + /* + Performs one iteration of traversal in reverse direction + Returns an index object of the new location + */ + function reverse(cm, ln, pos, dir) { + var line = cm.getLine(ln); + + var curr = { + line: line, + ln: ln, + pos: pos, + dir: dir, + }; + + var last_valid = { + ln: curr.ln, + pos: null, + }; + + var skip_empty_lines = (curr.line === ""); + + // Move one step to skip character we start on + nextChar(cm, curr); + + while (curr.line !== null) { + + if (curr.line === "" && !skip_empty_lines) { + if (last_valid.pos !== null) { + return last_valid; + } + else { + return { ln: curr.ln, pos: curr.pos }; + } + } + else if (isEndOfSentenceSymbol(curr.line[curr.pos]) + && last_valid.pos !== null + && !(curr.ln === last_valid.ln && curr.pos + 1 === last_valid.pos)) { + return last_valid; + } + else if (curr.line !== "" && !isWhiteSpaceString(curr.line[curr.pos])) { + skip_empty_lines = false; + last_valid = { ln: curr.ln, pos: curr.pos }; + } + + nextChar(cm, curr); + } + + /* + Set the position to the first non whitespace character on the last + valid line in the case that we reach the beginning of the document. + */ + var line = cm.getLine(last_valid.ln); + last_valid.pos = 0; + for(var i = 0; i < line.length; ++i) { + if (!isWhiteSpaceString(line[i])) { + last_valid.pos = i; + break; + } + } + return last_valid; + } + + var curr_index = { + ln: cur.line, + pos: cur.ch, + }; + + while (repeat > 0) { + if (dir < 0) { + curr_index = reverse(cm, curr_index.ln, curr_index.pos, dir); + } + else { + curr_index = forward(cm, curr_index.ln, curr_index.pos, dir); + } + repeat--; + } + + return new Pos(curr_index.ln, curr_index.pos); + } + + // TODO: perhaps this finagling of start and end positions belongs + // in codemirror/replaceRange? + function selectCompanionObject(cm, head, symb, inclusive) { + var cur = head, start, end; + + var bracketRegexp = ({ + '(': /[()]/, ')': /[()]/, + '[': /[[\]]/, ']': /[[\]]/, + '{': /[{}]/, '}': /[{}]/, + '<': /[<>]/, '>': /[<>]/})[symb]; + var openSym = ({ + '(': '(', ')': '(', + '[': '[', ']': '[', + '{': '{', '}': '{', + '<': '<', '>': '<'})[symb]; + var curChar = cm.getLine(cur.line).charAt(cur.ch); + // Due to the behavior of scanForBracket, we need to add an offset if the + // cursor is on a matching open bracket. + var offset = curChar === openSym ? 1 : 0; + + start = cm.scanForBracket(new Pos(cur.line, cur.ch + offset), -1, undefined, {'bracketRegex': bracketRegexp}); + end = cm.scanForBracket(new Pos(cur.line, cur.ch + offset), 1, undefined, {'bracketRegex': bracketRegexp}); + + if (!start || !end) { + return { start: cur, end: cur }; + } + + start = start.pos; + end = end.pos; + + if ((start.line == end.line && start.ch > end.ch) + || (start.line > end.line)) { + var tmp = start; + start = end; + end = tmp; + } + + if (inclusive) { + end.ch += 1; + } else { + start.ch += 1; + } + + return { start: start, end: end }; + } + + // Takes in a symbol and a cursor and tries to simulate text objects that + // have identical opening and closing symbols + // TODO support across multiple lines + function findBeginningAndEnd(cm, head, symb, inclusive) { + var cur = copyCursor(head); + var line = cm.getLine(cur.line); + var chars = line.split(''); + var start, end, i, len; + var firstIndex = chars.indexOf(symb); + + // the decision tree is to always look backwards for the beginning first, + // but if the cursor is in front of the first instance of the symb, + // then move the cursor forward + if (cur.ch < firstIndex) { + cur.ch = firstIndex; + // Why is this line even here??? + // cm.setCursor(cur.line, firstIndex+1); + } + // otherwise if the cursor is currently on the closing symbol + else if (firstIndex < cur.ch && chars[cur.ch] == symb) { + end = cur.ch; // assign end to the current cursor + --cur.ch; // make sure to look backwards + } + + // if we're currently on the symbol, we've got a start + if (chars[cur.ch] == symb && !end) { + start = cur.ch + 1; // assign start to ahead of the cursor + } else { + // go backwards to find the start + for (i = cur.ch; i > -1 && !start; i--) { + if (chars[i] == symb) { + start = i + 1; + } + } + } + + // look forwards for the end symbol + if (start && !end) { + for (i = start, len = chars.length; i < len && !end; i++) { + if (chars[i] == symb) { + end = i; + } + } + } + + // nothing found + if (!start || !end) { + return { start: cur, end: cur }; + } + + // include the symbols + if (inclusive) { + --start; ++end; + } + + return { + start: new Pos(cur.line, start), + end: new Pos(cur.line, end) + }; + } + + // Search functions + defineOption('pcre', true, 'boolean'); + function SearchState() {} + SearchState.prototype = { + getQuery: function() { + return vimGlobalState.query; + }, + setQuery: function(query) { + vimGlobalState.query = query; + }, + getOverlay: function() { + return this.searchOverlay; + }, + setOverlay: function(overlay) { + this.searchOverlay = overlay; + }, + isReversed: function() { + return vimGlobalState.isReversed; + }, + setReversed: function(reversed) { + vimGlobalState.isReversed = reversed; + }, + getScrollbarAnnotate: function() { + return this.annotate; + }, + setScrollbarAnnotate: function(annotate) { + this.annotate = annotate; + } + }; + function getSearchState(cm) { + var vim = cm.state.vim; + return vim.searchState_ || (vim.searchState_ = new SearchState()); + } + function splitBySlash(argString) { + return splitBySeparator(argString, '/'); + } + + function findUnescapedSlashes(argString) { + return findUnescapedSeparators(argString, '/'); + } + + function splitBySeparator(argString, separator) { + var slashes = findUnescapedSeparators(argString, separator) || []; + if (!slashes.length) return []; + var tokens = []; + // in case of strings like foo/bar + if (slashes[0] !== 0) return; + for (var i = 0; i < slashes.length; i++) { + if (typeof slashes[i] == 'number') + tokens.push(argString.substring(slashes[i] + 1, slashes[i+1])); + } + return tokens; + } + + function findUnescapedSeparators(str, separator) { + if (!separator) + separator = '/'; + + var escapeNextChar = false; + var slashes = []; + for (var i = 0; i < str.length; i++) { + var c = str.charAt(i); + if (!escapeNextChar && c == separator) { + slashes.push(i); + } + escapeNextChar = !escapeNextChar && (c == '\\'); + } + return slashes; + } + + // Translates a search string from ex (vim) syntax into javascript form. + function translateRegex(str) { + // When these match, add a '\' if unescaped or remove one if escaped. + var specials = '|(){'; + // Remove, but never add, a '\' for these. + var unescape = '}'; + var escapeNextChar = false; + var out = []; + for (var i = -1; i < str.length; i++) { + var c = str.charAt(i) || ''; + var n = str.charAt(i+1) || ''; + var specialComesNext = (n && specials.indexOf(n) != -1); + if (escapeNextChar) { + if (c !== '\\' || !specialComesNext) { + out.push(c); + } + escapeNextChar = false; + } else { + if (c === '\\') { + escapeNextChar = true; + // Treat the unescape list as special for removing, but not adding '\'. + if (n && unescape.indexOf(n) != -1) { + specialComesNext = true; + } + // Not passing this test means removing a '\'. + if (!specialComesNext || n === '\\') { + out.push(c); + } + } else { + out.push(c); + if (specialComesNext && n !== '\\') { + out.push('\\'); + } + } + } + } + return out.join(''); + } + + // Translates the replace part of a search and replace from ex (vim) syntax into + // javascript form. Similar to translateRegex, but additionally fixes back references + // (translates '\[0..9]' to '$[0..9]') and follows different rules for escaping '$'. + var charUnescapes = {'\\n': '\n', '\\r': '\r', '\\t': '\t'}; + function translateRegexReplace(str) { + var escapeNextChar = false; + var out = []; + for (var i = -1; i < str.length; i++) { + var c = str.charAt(i) || ''; + var n = str.charAt(i+1) || ''; + if (charUnescapes[c + n]) { + out.push(charUnescapes[c+n]); + i++; + } else if (escapeNextChar) { + // At any point in the loop, escapeNextChar is true if the previous + // character was a '\' and was not escaped. + out.push(c); + escapeNextChar = false; + } else { + if (c === '\\') { + escapeNextChar = true; + if ((isNumber(n) || n === '$')) { + out.push('$'); + } else if (n !== '/' && n !== '\\') { + out.push('\\'); + } + } else { + if (c === '$') { + out.push('$'); + } + out.push(c); + if (n === '/') { + out.push('\\'); + } + } + } + } + return out.join(''); + } + + // Unescape \ and / in the replace part, for PCRE mode. + var unescapes = {'\\/': '/', '\\\\': '\\', '\\n': '\n', '\\r': '\r', '\\t': '\t', '\\&':'&'}; + function unescapeRegexReplace(str) { + var stream = new CodeMirror.StringStream(str); + var output = []; + while (!stream.eol()) { + // Search for \. + while (stream.peek() && stream.peek() != '\\') { + output.push(stream.next()); + } + var matched = false; + for (var matcher in unescapes) { + if (stream.match(matcher, true)) { + matched = true; + output.push(unescapes[matcher]); + break; + } + } + if (!matched) { + // Don't change anything + output.push(stream.next()); + } + } + return output.join(''); + } + + /** + * Extract the regular expression from the query and return a Regexp object. + * Returns null if the query is blank. + * If ignoreCase is passed in, the Regexp object will have the 'i' flag set. + * If smartCase is passed in, and the query contains upper case letters, + * then ignoreCase is overridden, and the 'i' flag will not be set. + * If the query contains the /i in the flag part of the regular expression, + * then both ignoreCase and smartCase are ignored, and 'i' will be passed + * through to the Regex object. + */ + function parseQuery(query, ignoreCase, smartCase) { + // First update the last search register + var lastSearchRegister = vimGlobalState.registerController.getRegister('/'); + lastSearchRegister.setText(query); + // Check if the query is already a regex. + if (query instanceof RegExp) { return query; } + // First try to extract regex + flags from the input. If no flags found, + // extract just the regex. IE does not accept flags directly defined in + // the regex string in the form /regex/flags + var slashes = findUnescapedSlashes(query); + var regexPart; + var forceIgnoreCase; + if (!slashes.length) { + // Query looks like 'regexp' + regexPart = query; + } else { + // Query looks like 'regexp/...' + regexPart = query.substring(0, slashes[0]); + var flagsPart = query.substring(slashes[0]); + forceIgnoreCase = (flagsPart.indexOf('i') != -1); + } + if (!regexPart) { + return null; + } + if (!getOption('pcre')) { + regexPart = translateRegex(regexPart); + } + if (smartCase) { + ignoreCase = (/^[^A-Z]*$/).test(regexPart); + } + var regexp = new RegExp(regexPart, + (ignoreCase || forceIgnoreCase) ? 'im' : 'm'); + return regexp; + } + + /** + * dom - Document Object Manipulator + * Usage: + * dom(''|[, ...{|<$styles>}||'']) + * Examples: + * dom('div', {id:'xyz'}, dom('p', 'CM rocks!', {$color:'red'})) + * dom(document.head, dom('script', 'alert("hello!")')) + * Not supported: + * dom('p', ['arrays are objects'], Error('objects specify attributes')) + */ + function dom(n) { + if (typeof n === 'string') n = document.createElement(n); + for (var a, i = 1; i < arguments.length; i++) { + if (!(a = arguments[i])) continue; + if (typeof a !== 'object') a = document.createTextNode(a); + if (a.nodeType) n.appendChild(a); + else for (var key in a) { + if (!Object.prototype.hasOwnProperty.call(a, key)) continue; + if (key[0] === '$') n.style[key.slice(1)] = a[key]; + else n.setAttribute(key, a[key]); + } + } + return n; + } + + function showConfirm(cm, template) { + var pre = dom('div', {$color: 'red', $whiteSpace: 'pre', class: 'cm-vim-message'}, template); + if (cm.openNotification) { + cm.openNotification(pre, {bottom: true, duration: 5000}); + } else { + alert(pre.innerText); + } + } + + function makePrompt(prefix, desc) { + return dom(document.createDocumentFragment(), + dom('span', {$fontFamily: 'monospace', $whiteSpace: 'pre'}, + prefix, + dom('input', {type: 'text', autocorrect: 'off', + autocapitalize: 'off', spellcheck: 'false'})), + desc && dom('span', {$color: '#888'}, desc)); + } + + function showPrompt(cm, options) { + var template = makePrompt(options.prefix, options.desc); + if (cm.openDialog) { + cm.openDialog(template, options.onClose, { + onKeyDown: options.onKeyDown, onKeyUp: options.onKeyUp, + bottom: true, selectValueOnOpen: false, value: options.value + }); + } + else { + var shortText = ''; + if (typeof options.prefix != "string" && options.prefix) shortText += options.prefix.textContent; + if (options.desc) shortText += " " + options.desc; + options.onClose(prompt(shortText, '')); + } + } + + function regexEqual(r1, r2) { + if (r1 instanceof RegExp && r2 instanceof RegExp) { + var props = ['global', 'multiline', 'ignoreCase', 'source']; + for (var i = 0; i < props.length; i++) { + var prop = props[i]; + if (r1[prop] !== r2[prop]) { + return false; + } + } + return true; + } + return false; + } + // Returns true if the query is valid. + function updateSearchQuery(cm, rawQuery, ignoreCase, smartCase) { + if (!rawQuery) { + return; + } + var state = getSearchState(cm); + var query = parseQuery(rawQuery, !!ignoreCase, !!smartCase); + if (!query) { + return; + } + highlightSearchMatches(cm, query); + if (regexEqual(query, state.getQuery())) { + return query; + } + state.setQuery(query); + return query; + } + function searchOverlay(query) { + if (query.source.charAt(0) == '^') { + var matchSol = true; + } + return { + token: function(stream) { + if (matchSol && !stream.sol()) { + stream.skipToEnd(); + return; + } + var match = stream.match(query, false); + if (match) { + if (match[0].length == 0) { + // Matched empty string, skip to next. + stream.next(); + return 'searching'; + } + if (!stream.sol()) { + // Backtrack 1 to match \b + stream.backUp(1); + if (!query.exec(stream.next() + match[0])) { + stream.next(); + return null; + } + } + stream.match(query); + return 'searching'; + } + while (!stream.eol()) { + stream.next(); + if (stream.match(query, false)) break; + } + }, + query: query + }; + } + var highlightTimeout = 0; + function highlightSearchMatches(cm, query) { + clearTimeout(highlightTimeout); + highlightTimeout = setTimeout(function() { + if (!cm.state.vim) return; + var searchState = getSearchState(cm); + var overlay = searchState.getOverlay(); + if (!overlay || query != overlay.query) { + if (overlay) { + cm.removeOverlay(overlay); + } + overlay = searchOverlay(query); + cm.addOverlay(overlay); + if (cm.showMatchesOnScrollbar) { + if (searchState.getScrollbarAnnotate()) { + searchState.getScrollbarAnnotate().clear(); + } + searchState.setScrollbarAnnotate(cm.showMatchesOnScrollbar(query)); + } + searchState.setOverlay(overlay); + } + }, 50); + } + function findNext(cm, prev, query, repeat) { + if (repeat === undefined) { repeat = 1; } + return cm.operation(function() { + var pos = cm.getCursor(); + var cursor = cm.getSearchCursor(query, pos); + for (var i = 0; i < repeat; i++) { + var found = cursor.find(prev); + if (i == 0 && found && cursorEqual(cursor.from(), pos)) { + var lastEndPos = prev ? cursor.from() : cursor.to(); + found = cursor.find(prev); + if (found && !found[0] && cursorEqual(cursor.from(), lastEndPos)) { + if (cm.getLine(lastEndPos.line).length == lastEndPos.ch) + found = cursor.find(prev); + } + } + if (!found) { + // SearchCursor may have returned null because it hit EOF, wrap + // around and try again. + cursor = cm.getSearchCursor(query, + (prev) ? new Pos(cm.lastLine()) : new Pos(cm.firstLine(), 0) ); + if (!cursor.find(prev)) { + return; + } + } + } + return cursor.from(); + }); + } + /** + * Pretty much the same as `findNext`, except for the following differences: + * + * 1. Before starting the search, move to the previous search. This way if our cursor is + * already inside a match, we should return the current match. + * 2. Rather than only returning the cursor's from, we return the cursor's from and to as a tuple. + */ + function findNextFromAndToInclusive(cm, prev, query, repeat, vim) { + if (repeat === undefined) { repeat = 1; } + return cm.operation(function() { + var pos = cm.getCursor(); + var cursor = cm.getSearchCursor(query, pos); + + // Go back one result to ensure that if the cursor is currently a match, we keep it. + var found = cursor.find(!prev); + + // If we haven't moved, go back one more (similar to if i==0 logic in findNext). + if (!vim.visualMode && found && cursorEqual(cursor.from(), pos)) { + cursor.find(!prev); + } + + for (var i = 0; i < repeat; i++) { + found = cursor.find(prev); + if (!found) { + // SearchCursor may have returned null because it hit EOF, wrap + // around and try again. + cursor = cm.getSearchCursor(query, + (prev) ? new Pos(cm.lastLine()) : new Pos(cm.firstLine(), 0) ); + if (!cursor.find(prev)) { + return; + } + } + } + return [cursor.from(), cursor.to()]; + }); + } + function clearSearchHighlight(cm) { + var state = getSearchState(cm); + cm.removeOverlay(getSearchState(cm).getOverlay()); + state.setOverlay(null); + if (state.getScrollbarAnnotate()) { + state.getScrollbarAnnotate().clear(); + state.setScrollbarAnnotate(null); + } + } + /** + * Check if pos is in the specified range, INCLUSIVE. + * Range can be specified with 1 or 2 arguments. + * If the first range argument is an array, treat it as an array of line + * numbers. Match pos against any of the lines. + * If the first range argument is a number, + * if there is only 1 range argument, check if pos has the same line + * number + * if there are 2 range arguments, then check if pos is in between the two + * range arguments. + */ + function isInRange(pos, start, end) { + if (typeof pos != 'number') { + // Assume it is a cursor position. Get the line number. + pos = pos.line; + } + if (start instanceof Array) { + return inArray(pos, start); + } else { + if (typeof end == 'number') { + return (pos >= start && pos <= end); + } else { + return pos == start; + } + } + } + function getUserVisibleLines(cm) { + var scrollInfo = cm.getScrollInfo(); + var occludeToleranceTop = 6; + var occludeToleranceBottom = 10; + var from = cm.coordsChar({left:0, top: occludeToleranceTop + scrollInfo.top}, 'local'); + var bottomY = scrollInfo.clientHeight - occludeToleranceBottom + scrollInfo.top; + var to = cm.coordsChar({left:0, top: bottomY}, 'local'); + return {top: from.line, bottom: to.line}; + } + + function getMarkPos(cm, vim, markName) { + if (markName == '\'' || markName == '`') { + return vimGlobalState.jumpList.find(cm, -1) || new Pos(0, 0); + } else if (markName == '.') { + return getLastEditPos(cm); + } + + var mark = vim.marks[markName]; + return mark && mark.find(); + } + + function getLastEditPos(cm) { + var done = cm.doc.history.done; + for (var i = done.length; i--;) { + if (done[i].changes) { + return copyCursor(done[i].changes[0].to); + } + } + } + + var ExCommandDispatcher = function() { + this.buildCommandMap_(); + }; + ExCommandDispatcher.prototype = { + processCommand: function(cm, input, opt_params) { + var that = this; + cm.operation(function () { + cm.curOp.isVimOp = true; + that._processCommand(cm, input, opt_params); + }); + }, + _processCommand: function(cm, input, opt_params) { + var vim = cm.state.vim; + var commandHistoryRegister = vimGlobalState.registerController.getRegister(':'); + var previousCommand = commandHistoryRegister.toString(); + if (vim.visualMode) { + exitVisualMode(cm); + } + var inputStream = new CodeMirror.StringStream(input); + // update ": with the latest command whether valid or invalid + commandHistoryRegister.setText(input); + var params = opt_params || {}; + params.input = input; + try { + this.parseInput_(cm, inputStream, params); + } catch(e) { + showConfirm(cm, e.toString()); + throw e; + } + var command; + var commandName; + if (!params.commandName) { + // If only a line range is defined, move to the line. + if (params.line !== undefined) { + commandName = 'move'; + } + } else { + command = this.matchCommand_(params.commandName); + if (command) { + commandName = command.name; + if (command.excludeFromCommandHistory) { + commandHistoryRegister.setText(previousCommand); + } + this.parseCommandArgs_(inputStream, params, command); + if (command.type == 'exToKey') { + // Handle Ex to Key mapping. + for (var i = 0; i < command.toKeys.length; i++) { + vimApi.handleKey(cm, command.toKeys[i], 'mapping'); + } + return; + } else if (command.type == 'exToEx') { + // Handle Ex to Ex mapping. + this.processCommand(cm, command.toInput); + return; + } + } + } + if (!commandName) { + showConfirm(cm, 'Not an editor command ":' + input + '"'); + return; + } + try { + exCommands[commandName](cm, params); + // Possibly asynchronous commands (e.g. substitute, which might have a + // user confirmation), are responsible for calling the callback when + // done. All others have it taken care of for them here. + if ((!command || !command.possiblyAsync) && params.callback) { + params.callback(); + } + } catch(e) { + showConfirm(cm, e.toString()); + throw e; + } + }, + parseInput_: function(cm, inputStream, result) { + inputStream.eatWhile(':'); + // Parse range. + if (inputStream.eat('%')) { + result.line = cm.firstLine(); + result.lineEnd = cm.lastLine(); + } else { + result.line = this.parseLineSpec_(cm, inputStream); + if (result.line !== undefined && inputStream.eat(',')) { + result.lineEnd = this.parseLineSpec_(cm, inputStream); + } + } + + // Parse command name. + var commandMatch = inputStream.match(/^(\w+|!!|@@|[!#&*<=>@~])/); + if (commandMatch) { + result.commandName = commandMatch[1]; + } else { + result.commandName = inputStream.match(/.*/)[0]; + } + + return result; + }, + parseLineSpec_: function(cm, inputStream) { + var numberMatch = inputStream.match(/^(\d+)/); + if (numberMatch) { + // Absolute line number plus offset (N+M or N-M) is probably a typo, + // not something the user actually wanted. (NB: vim does allow this.) + return parseInt(numberMatch[1], 10) - 1; + } + switch (inputStream.next()) { + case '.': + return this.parseLineSpecOffset_(inputStream, cm.getCursor().line); + case '$': + return this.parseLineSpecOffset_(inputStream, cm.lastLine()); + case '\'': + var markName = inputStream.next(); + var markPos = getMarkPos(cm, cm.state.vim, markName); + if (!markPos) throw new Error('Mark not set'); + return this.parseLineSpecOffset_(inputStream, markPos.line); + case '-': + case '+': + inputStream.backUp(1); + // Offset is relative to current line if not otherwise specified. + return this.parseLineSpecOffset_(inputStream, cm.getCursor().line); + default: + inputStream.backUp(1); + return undefined; + } + }, + parseLineSpecOffset_: function(inputStream, line) { + var offsetMatch = inputStream.match(/^([+-])?(\d+)/); + if (offsetMatch) { + var offset = parseInt(offsetMatch[2], 10); + if (offsetMatch[1] == "-") { + line -= offset; + } else { + line += offset; + } + } + return line; + }, + parseCommandArgs_: function(inputStream, params, command) { + if (inputStream.eol()) { + return; + } + params.argString = inputStream.match(/.*/)[0]; + // Parse command-line arguments + var delim = command.argDelimiter || /\s+/; + var args = trim(params.argString).split(delim); + if (args.length && args[0]) { + params.args = args; + } + }, + matchCommand_: function(commandName) { + // Return the command in the command map that matches the shortest + // prefix of the passed in command name. The match is guaranteed to be + // unambiguous if the defaultExCommandMap's shortNames are set up + // correctly. (see @code{defaultExCommandMap}). + for (var i = commandName.length; i > 0; i--) { + var prefix = commandName.substring(0, i); + if (this.commandMap_[prefix]) { + var command = this.commandMap_[prefix]; + if (command.name.indexOf(commandName) === 0) { + return command; + } + } + } + return null; + }, + buildCommandMap_: function() { + this.commandMap_ = {}; + for (var i = 0; i < defaultExCommandMap.length; i++) { + var command = defaultExCommandMap[i]; + var key = command.shortName || command.name; + this.commandMap_[key] = command; + } + }, + map: function(lhs, rhs, ctx) { + if (lhs != ':' && lhs.charAt(0) == ':') { + if (ctx) { throw Error('Mode not supported for ex mappings'); } + var commandName = lhs.substring(1); + if (rhs != ':' && rhs.charAt(0) == ':') { + // Ex to Ex mapping + this.commandMap_[commandName] = { + name: commandName, + type: 'exToEx', + toInput: rhs.substring(1), + user: true + }; + } else { + // Ex to key mapping + this.commandMap_[commandName] = { + name: commandName, + type: 'exToKey', + toKeys: rhs, + user: true + }; + } + } else { + if (rhs != ':' && rhs.charAt(0) == ':') { + // Key to Ex mapping. + var mapping = { + keys: lhs, + type: 'keyToEx', + exArgs: { input: rhs.substring(1) } + }; + if (ctx) { mapping.context = ctx; } + defaultKeymap.unshift(mapping); + } else { + // Key to key mapping + var mapping = { + keys: lhs, + type: 'keyToKey', + toKeys: rhs + }; + if (ctx) { mapping.context = ctx; } + defaultKeymap.unshift(mapping); + } + } + }, + unmap: function(lhs, ctx) { + if (lhs != ':' && lhs.charAt(0) == ':') { + // Ex to Ex or Ex to key mapping + if (ctx) { throw Error('Mode not supported for ex mappings'); } + var commandName = lhs.substring(1); + if (this.commandMap_[commandName] && this.commandMap_[commandName].user) { + delete this.commandMap_[commandName]; + return true; + } + } else { + // Key to Ex or key to key mapping + var keys = lhs; + for (var i = 0; i < defaultKeymap.length; i++) { + if (keys == defaultKeymap[i].keys + && defaultKeymap[i].context === ctx) { + defaultKeymap.splice(i, 1); + return true; + } + } + } + } + }; + + var exCommands = { + colorscheme: function(cm, params) { + if (!params.args || params.args.length < 1) { + showConfirm(cm, cm.getOption('theme')); + return; + } + cm.setOption('theme', params.args[0]); + }, + map: function(cm, params, ctx) { + var mapArgs = params.args; + if (!mapArgs || mapArgs.length < 2) { + if (cm) { + showConfirm(cm, 'Invalid mapping: ' + params.input); + } + return; + } + exCommandDispatcher.map(mapArgs[0], mapArgs[1], ctx); + }, + imap: function(cm, params) { this.map(cm, params, 'insert'); }, + nmap: function(cm, params) { this.map(cm, params, 'normal'); }, + vmap: function(cm, params) { this.map(cm, params, 'visual'); }, + unmap: function(cm, params, ctx) { + var mapArgs = params.args; + if (!mapArgs || mapArgs.length < 1 || !exCommandDispatcher.unmap(mapArgs[0], ctx)) { + if (cm) { + showConfirm(cm, 'No such mapping: ' + params.input); + } + } + }, + move: function(cm, params) { + commandDispatcher.processCommand(cm, cm.state.vim, { + type: 'motion', + motion: 'moveToLineOrEdgeOfDocument', + motionArgs: { forward: false, explicitRepeat: true, + linewise: true }, + repeatOverride: params.line+1}); + }, + set: function(cm, params) { + var setArgs = params.args; + // Options passed through to the setOption/getOption calls. May be passed in by the + // local/global versions of the set command + var setCfg = params.setCfg || {}; + if (!setArgs || setArgs.length < 1) { + if (cm) { + showConfirm(cm, 'Invalid mapping: ' + params.input); + } + return; + } + var expr = setArgs[0].split('='); + var optionName = expr[0]; + var value = expr[1]; + var forceGet = false; + + if (optionName.charAt(optionName.length - 1) == '?') { + // If post-fixed with ?, then the set is actually a get. + if (value) { throw Error('Trailing characters: ' + params.argString); } + optionName = optionName.substring(0, optionName.length - 1); + forceGet = true; + } + if (value === undefined && optionName.substring(0, 2) == 'no') { + // To set boolean options to false, the option name is prefixed with + // 'no'. + optionName = optionName.substring(2); + value = false; + } + + var optionIsBoolean = options[optionName] && options[optionName].type == 'boolean'; + if (optionIsBoolean && value == undefined) { + // Calling set with a boolean option sets it to true. + value = true; + } + // If no value is provided, then we assume this is a get. + if (!optionIsBoolean && value === undefined || forceGet) { + var oldValue = getOption(optionName, cm, setCfg); + if (oldValue instanceof Error) { + showConfirm(cm, oldValue.message); + } else if (oldValue === true || oldValue === false) { + showConfirm(cm, ' ' + (oldValue ? '' : 'no') + optionName); + } else { + showConfirm(cm, ' ' + optionName + '=' + oldValue); + } + } else { + var setOptionReturn = setOption(optionName, value, cm, setCfg); + if (setOptionReturn instanceof Error) { + showConfirm(cm, setOptionReturn.message); + } + } + }, + setlocal: function (cm, params) { + // setCfg is passed through to setOption + params.setCfg = {scope: 'local'}; + this.set(cm, params); + }, + setglobal: function (cm, params) { + // setCfg is passed through to setOption + params.setCfg = {scope: 'global'}; + this.set(cm, params); + }, + registers: function(cm, params) { + var regArgs = params.args; + var registers = vimGlobalState.registerController.registers; + var regInfo = '----------Registers----------\n\n'; + if (!regArgs) { + for (var registerName in registers) { + var text = registers[registerName].toString(); + if (text.length) { + regInfo += '"' + registerName + ' ' + text + '\n'; + } + } + } else { + var registerName; + regArgs = regArgs.join(''); + for (var i = 0; i < regArgs.length; i++) { + registerName = regArgs.charAt(i); + if (!vimGlobalState.registerController.isValidRegister(registerName)) { + continue; + } + var register = registers[registerName] || new Register(); + regInfo += '"' + registerName + ' ' + register.toString() + '\n'; + } + } + showConfirm(cm, regInfo); + }, + sort: function(cm, params) { + var reverse, ignoreCase, unique, number, pattern; + function parseArgs() { + if (params.argString) { + var args = new CodeMirror.StringStream(params.argString); + if (args.eat('!')) { reverse = true; } + if (args.eol()) { return; } + if (!args.eatSpace()) { return 'Invalid arguments'; } + var opts = args.match(/([dinuox]+)?\s*(\/.+\/)?\s*/); + if (!opts && !args.eol()) { return 'Invalid arguments'; } + if (opts[1]) { + ignoreCase = opts[1].indexOf('i') != -1; + unique = opts[1].indexOf('u') != -1; + var decimal = opts[1].indexOf('d') != -1 || opts[1].indexOf('n') != -1 && 1; + var hex = opts[1].indexOf('x') != -1 && 1; + var octal = opts[1].indexOf('o') != -1 && 1; + if (decimal + hex + octal > 1) { return 'Invalid arguments'; } + number = decimal && 'decimal' || hex && 'hex' || octal && 'octal'; + } + if (opts[2]) { + pattern = new RegExp(opts[2].substr(1, opts[2].length - 2), ignoreCase ? 'i' : ''); + } + } + } + var err = parseArgs(); + if (err) { + showConfirm(cm, err + ': ' + params.argString); + return; + } + var lineStart = params.line || cm.firstLine(); + var lineEnd = params.lineEnd || params.line || cm.lastLine(); + if (lineStart == lineEnd) { return; } + var curStart = new Pos(lineStart, 0); + var curEnd = new Pos(lineEnd, lineLength(cm, lineEnd)); + var text = cm.getRange(curStart, curEnd).split('\n'); + var numberRegex = pattern ? pattern : + (number == 'decimal') ? /(-?)([\d]+)/ : + (number == 'hex') ? /(-?)(?:0x)?([0-9a-f]+)/i : + (number == 'octal') ? /([0-7]+)/ : null; + var radix = (number == 'decimal') ? 10 : (number == 'hex') ? 16 : (number == 'octal') ? 8 : null; + var numPart = [], textPart = []; + if (number || pattern) { + for (var i = 0; i < text.length; i++) { + var matchPart = pattern ? text[i].match(pattern) : null; + if (matchPart && matchPart[0] != '') { + numPart.push(matchPart); + } else if (!pattern && numberRegex.exec(text[i])) { + numPart.push(text[i]); + } else { + textPart.push(text[i]); + } + } + } else { + textPart = text; + } + function compareFn(a, b) { + if (reverse) { var tmp; tmp = a; a = b; b = tmp; } + if (ignoreCase) { a = a.toLowerCase(); b = b.toLowerCase(); } + var anum = number && numberRegex.exec(a); + var bnum = number && numberRegex.exec(b); + if (!anum) { return a < b ? -1 : 1; } + anum = parseInt((anum[1] + anum[2]).toLowerCase(), radix); + bnum = parseInt((bnum[1] + bnum[2]).toLowerCase(), radix); + return anum - bnum; + } + function comparePatternFn(a, b) { + if (reverse) { var tmp; tmp = a; a = b; b = tmp; } + if (ignoreCase) { a[0] = a[0].toLowerCase(); b[0] = b[0].toLowerCase(); } + return (a[0] < b[0]) ? -1 : 1; + } + numPart.sort(pattern ? comparePatternFn : compareFn); + if (pattern) { + for (var i = 0; i < numPart.length; i++) { + numPart[i] = numPart[i].input; + } + } else if (!number) { textPart.sort(compareFn); } + text = (!reverse) ? textPart.concat(numPart) : numPart.concat(textPart); + if (unique) { // Remove duplicate lines + var textOld = text; + var lastLine; + text = []; + for (var i = 0; i < textOld.length; i++) { + if (textOld[i] != lastLine) { + text.push(textOld[i]); + } + lastLine = textOld[i]; + } + } + cm.replaceRange(text.join('\n'), curStart, curEnd); + }, + vglobal: function(cm, params) { + // global inspects params.commandName + this.global(cm, params); + }, + global: function(cm, params) { + // a global command is of the form + // :[range]g/pattern/[cmd] + // argString holds the string /pattern/[cmd] + var argString = params.argString; + if (!argString) { + showConfirm(cm, 'Regular Expression missing from global'); + return; + } + var inverted = params.commandName[0] === 'v'; + // range is specified here + var lineStart = (params.line !== undefined) ? params.line : cm.firstLine(); + var lineEnd = params.lineEnd || params.line || cm.lastLine(); + // get the tokens from argString + var tokens = splitBySlash(argString); + var regexPart = argString, cmd; + if (tokens.length) { + regexPart = tokens[0]; + cmd = tokens.slice(1, tokens.length).join('/'); + } + if (regexPart) { + // If regex part is empty, then use the previous query. Otherwise + // use the regex part as the new query. + try { + updateSearchQuery(cm, regexPart, true /** ignoreCase */, + true /** smartCase */); + } catch (e) { + showConfirm(cm, 'Invalid regex: ' + regexPart); + return; + } + } + // now that we have the regexPart, search for regex matches in the + // specified range of lines + var query = getSearchState(cm).getQuery(); + var matchedLines = []; + for (var i = lineStart; i <= lineEnd; i++) { + var line = cm.getLineHandle(i); + var matched = query.test(line.text); + if (matched !== inverted) { + matchedLines.push(cmd ? line : line.text); + } + } + // if there is no [cmd], just display the list of matched lines + if (!cmd) { + showConfirm(cm, matchedLines.join('\n')); + return; + } + var index = 0; + var nextCommand = function() { + if (index < matchedLines.length) { + var line = matchedLines[index++]; + var lineNum = cm.getLineNumber(line); + if (lineNum == null) { + nextCommand(); + return; + } + var command = (lineNum + 1) + cmd; + exCommandDispatcher.processCommand(cm, command, { + callback: nextCommand + }); + } + }; + nextCommand(); + }, + substitute: function(cm, params) { + if (!cm.getSearchCursor) { + throw new Error('Search feature not available. Requires searchcursor.js or ' + + 'any other getSearchCursor implementation.'); + } + var argString = params.argString; + var tokens = argString ? splitBySeparator(argString, argString[0]) : []; + var regexPart, replacePart = '', trailing, flagsPart, count; + var confirm = false; // Whether to confirm each replace. + var global = false; // True to replace all instances on a line, false to replace only 1. + if (tokens.length) { + regexPart = tokens[0]; + if (getOption('pcre') && regexPart !== '') { + regexPart = new RegExp(regexPart).source; //normalize not escaped characters + } + replacePart = tokens[1]; + if (replacePart !== undefined) { + if (getOption('pcre')) { + replacePart = unescapeRegexReplace(replacePart.replace(/([^\\])&/g,"$1$$&")); + } else { + replacePart = translateRegexReplace(replacePart); + } + vimGlobalState.lastSubstituteReplacePart = replacePart; + } + trailing = tokens[2] ? tokens[2].split(' ') : []; + } else { + // either the argString is empty or its of the form ' hello/world' + // actually splitBySlash returns a list of tokens + // only if the string starts with a '/' + if (argString && argString.length) { + showConfirm(cm, 'Substitutions should be of the form ' + + ':s/pattern/replace/'); + return; + } + } + // After the 3rd slash, we can have flags followed by a space followed + // by count. + if (trailing) { + flagsPart = trailing[0]; + count = parseInt(trailing[1]); + if (flagsPart) { + if (flagsPart.indexOf('c') != -1) { + confirm = true; + } + if (flagsPart.indexOf('g') != -1) { + global = true; + } + if (getOption('pcre')) { + regexPart = regexPart + '/' + flagsPart; + } else { + regexPart = regexPart.replace(/\//g, "\\/") + '/' + flagsPart; + } + } + } + if (regexPart) { + // If regex part is empty, then use the previous query. Otherwise use + // the regex part as the new query. + try { + updateSearchQuery(cm, regexPart, true /** ignoreCase */, + true /** smartCase */); + } catch (e) { + showConfirm(cm, 'Invalid regex: ' + regexPart); + return; + } + } + replacePart = replacePart || vimGlobalState.lastSubstituteReplacePart; + if (replacePart === undefined) { + showConfirm(cm, 'No previous substitute regular expression'); + return; + } + var state = getSearchState(cm); + var query = state.getQuery(); + var lineStart = (params.line !== undefined) ? params.line : cm.getCursor().line; + var lineEnd = params.lineEnd || lineStart; + if (lineStart == cm.firstLine() && lineEnd == cm.lastLine()) { + lineEnd = Infinity; + } + if (count) { + lineStart = lineEnd; + lineEnd = lineStart + count - 1; + } + var startPos = clipCursorToContent(cm, new Pos(lineStart, 0)); + var cursor = cm.getSearchCursor(query, startPos); + doReplace(cm, confirm, global, lineStart, lineEnd, cursor, query, replacePart, params.callback); + }, + redo: CodeMirror.commands.redo, + undo: CodeMirror.commands.undo, + write: function(cm) { + if (CodeMirror.commands.save) { + // If a save command is defined, call it. + CodeMirror.commands.save(cm); + } else if (cm.save) { + // Saves to text area if no save command is defined and cm.save() is available. + cm.save(); + } + }, + nohlsearch: function(cm) { + clearSearchHighlight(cm); + }, + yank: function (cm) { + var cur = copyCursor(cm.getCursor()); + var line = cur.line; + var lineText = cm.getLine(line); + vimGlobalState.registerController.pushText( + '0', 'yank', lineText, true, true); + }, + delmarks: function(cm, params) { + if (!params.argString || !trim(params.argString)) { + showConfirm(cm, 'Argument required'); + return; + } + + var state = cm.state.vim; + var stream = new CodeMirror.StringStream(trim(params.argString)); + while (!stream.eol()) { + stream.eatSpace(); + + // Record the streams position at the beginning of the loop for use + // in error messages. + var count = stream.pos; + + if (!stream.match(/[a-zA-Z]/, false)) { + showConfirm(cm, 'Invalid argument: ' + params.argString.substring(count)); + return; + } + + var sym = stream.next(); + // Check if this symbol is part of a range + if (stream.match('-', true)) { + // This symbol is part of a range. + + // The range must terminate at an alphabetic character. + if (!stream.match(/[a-zA-Z]/, false)) { + showConfirm(cm, 'Invalid argument: ' + params.argString.substring(count)); + return; + } + + var startMark = sym; + var finishMark = stream.next(); + // The range must terminate at an alphabetic character which + // shares the same case as the start of the range. + if (isLowerCase(startMark) && isLowerCase(finishMark) || + isUpperCase(startMark) && isUpperCase(finishMark)) { + var start = startMark.charCodeAt(0); + var finish = finishMark.charCodeAt(0); + if (start >= finish) { + showConfirm(cm, 'Invalid argument: ' + params.argString.substring(count)); + return; + } + + // Because marks are always ASCII values, and we have + // determined that they are the same case, we can use + // their char codes to iterate through the defined range. + for (var j = 0; j <= finish - start; j++) { + var mark = String.fromCharCode(start + j); + delete state.marks[mark]; + } + } else { + showConfirm(cm, 'Invalid argument: ' + startMark + '-'); + return; + } + } else { + // This symbol is a valid mark, and is not part of a range. + delete state.marks[sym]; + } + } + } + }; + + var exCommandDispatcher = new ExCommandDispatcher(); + + /** + * @param {CodeMirror} cm CodeMirror instance we are in. + * @param {boolean} confirm Whether to confirm each replace. + * @param {Cursor} lineStart Line to start replacing from. + * @param {Cursor} lineEnd Line to stop replacing at. + * @param {RegExp} query Query for performing matches with. + * @param {string} replaceWith Text to replace matches with. May contain $1, + * $2, etc for replacing captured groups using JavaScript replace. + * @param {function()} callback A callback for when the replace is done. + */ + function doReplace(cm, confirm, global, lineStart, lineEnd, searchCursor, query, + replaceWith, callback) { + // Set up all the functions. + cm.state.vim.exMode = true; + var done = false; + var lastPos, modifiedLineNumber, joined; + function replaceAll() { + cm.operation(function() { + while (!done) { + replace(); + next(); + } + stop(); + }); + } + function replace() { + var text = cm.getRange(searchCursor.from(), searchCursor.to()); + var newText = text.replace(query, replaceWith); + var unmodifiedLineNumber = searchCursor.to().line; + searchCursor.replace(newText); + modifiedLineNumber = searchCursor.to().line; + lineEnd += modifiedLineNumber - unmodifiedLineNumber; + joined = modifiedLineNumber < unmodifiedLineNumber; + } + function findNextValidMatch() { + var lastMatchTo = lastPos && copyCursor(searchCursor.to()); + var match = searchCursor.findNext(); + if (match && !match[0] && lastMatchTo && cursorEqual(searchCursor.from(), lastMatchTo)) { + match = searchCursor.findNext(); + } + return match; + } + function next() { + // The below only loops to skip over multiple occurrences on the same + // line when 'global' is not true. + while(findNextValidMatch() && + isInRange(searchCursor.from(), lineStart, lineEnd)) { + if (!global && searchCursor.from().line == modifiedLineNumber && !joined) { + continue; + } + cm.scrollIntoView(searchCursor.from(), 30); + cm.setSelection(searchCursor.from(), searchCursor.to()); + lastPos = searchCursor.from(); + done = false; + return; + } + done = true; + } + function stop(close) { + if (close) { close(); } + cm.focus(); + if (lastPos) { + cm.setCursor(lastPos); + var vim = cm.state.vim; + vim.exMode = false; + vim.lastHPos = vim.lastHSPos = lastPos.ch; + } + if (callback) { callback(); } + } + function onPromptKeyDown(e, _value, close) { + // Swallow all keys. + CodeMirror.e_stop(e); + var keyName = CodeMirror.keyName(e); + switch (keyName) { + case 'Y': + replace(); next(); break; + case 'N': + next(); break; + case 'A': + // replaceAll contains a call to close of its own. We don't want it + // to fire too early or multiple times. + var savedCallback = callback; + callback = undefined; + cm.operation(replaceAll); + callback = savedCallback; + break; + case 'L': + replace(); + // fall through and exit. + case 'Q': + case 'Esc': + case 'Ctrl-C': + case 'Ctrl-[': + stop(close); + break; + } + if (done) { stop(close); } + return true; + } + + // Actually do replace. + next(); + if (done) { + showConfirm(cm, 'No matches for ' + query.source); + return; + } + if (!confirm) { + replaceAll(); + if (callback) { callback(); } + return; + } + showPrompt(cm, { + prefix: dom('span', 'replace with ', dom('strong', replaceWith), ' (y/n/a/q/l)'), + onKeyDown: onPromptKeyDown + }); + } + + CodeMirror.keyMap.vim = { + attach: attachVimMap, + detach: detachVimMap, + call: cmKey + }; + + function exitInsertMode(cm) { + var vim = cm.state.vim; + var macroModeState = vimGlobalState.macroModeState; + var insertModeChangeRegister = vimGlobalState.registerController.getRegister('.'); + var isPlaying = macroModeState.isPlaying; + var lastChange = macroModeState.lastInsertModeChanges; + if (!isPlaying) { + cm.off('change', onChange); + CodeMirror.off(cm.getInputField(), 'keydown', onKeyEventTargetKeyDown); + } + if (!isPlaying && vim.insertModeRepeat > 1) { + // Perform insert mode repeat for commands like 3,a and 3,o. + repeatLastEdit(cm, vim, vim.insertModeRepeat - 1, + true /** repeatForInsert */); + vim.lastEditInputState.repeatOverride = vim.insertModeRepeat; + } + delete vim.insertModeRepeat; + vim.insertMode = false; + cm.setCursor(cm.getCursor().line, cm.getCursor().ch-1); + cm.setOption('keyMap', 'vim'); + cm.setOption('disableInput', true); + cm.toggleOverwrite(false); // exit replace mode if we were in it. + // update the ". register before exiting insert mode + insertModeChangeRegister.setText(lastChange.changes.join('')); + CodeMirror.signal(cm, "vim-mode-change", {mode: "normal"}); + if (macroModeState.isRecording) { + logInsertModeChange(macroModeState); + } + } + + function _mapCommand(command) { + defaultKeymap.unshift(command); + } + + function mapCommand(keys, type, name, args, extra) { + var command = {keys: keys, type: type}; + command[type] = name; + command[type + "Args"] = args; + for (var key in extra) + command[key] = extra[key]; + _mapCommand(command); + } + + // The timeout in milliseconds for the two-character ESC keymap should be + // adjusted according to your typing speed to prevent false positives. + defineOption('insertModeEscKeysTimeout', 200, 'number'); + + CodeMirror.keyMap['vim-insert'] = { + // TODO: override navigation keys so that Esc will cancel automatic + // indentation from o, O, i_ + fallthrough: ['default'], + attach: attachVimMap, + detach: detachVimMap, + call: cmKey + }; + + CodeMirror.keyMap['vim-replace'] = { + 'Backspace': 'goCharLeft', + fallthrough: ['vim-insert'], + attach: attachVimMap, + detach: detachVimMap, + call: cmKey + }; + + function executeMacroRegister(cm, vim, macroModeState, registerName) { + var register = vimGlobalState.registerController.getRegister(registerName); + if (registerName == ':') { + // Read-only register containing last Ex command. + if (register.keyBuffer[0]) { + exCommandDispatcher.processCommand(cm, register.keyBuffer[0]); + } + macroModeState.isPlaying = false; + return; + } + var keyBuffer = register.keyBuffer; + var imc = 0; + macroModeState.isPlaying = true; + macroModeState.replaySearchQueries = register.searchQueries.slice(0); + for (var i = 0; i < keyBuffer.length; i++) { + var text = keyBuffer[i]; + var match, key; + while (text) { + // Pull off one command key, which is either a single character + // or a special sequence wrapped in '<' and '>', e.g. ''. + match = (/<\w+-.+?>|<\w+>|./).exec(text); + key = match[0]; + text = text.substring(match.index + key.length); + vimApi.handleKey(cm, key, 'macro'); + if (vim.insertMode) { + var changes = register.insertModeChanges[imc++].changes; + vimGlobalState.macroModeState.lastInsertModeChanges.changes = + changes; + repeatInsertModeChanges(cm, changes, 1); + exitInsertMode(cm); + } + } + } + macroModeState.isPlaying = false; + } + + function logKey(macroModeState, key) { + if (macroModeState.isPlaying) { return; } + var registerName = macroModeState.latestRegister; + var register = vimGlobalState.registerController.getRegister(registerName); + if (register) { + register.pushText(key); + } + } + + function logInsertModeChange(macroModeState) { + if (macroModeState.isPlaying) { return; } + var registerName = macroModeState.latestRegister; + var register = vimGlobalState.registerController.getRegister(registerName); + if (register && register.pushInsertModeChanges) { + register.pushInsertModeChanges(macroModeState.lastInsertModeChanges); + } + } + + function logSearchQuery(macroModeState, query) { + if (macroModeState.isPlaying) { return; } + var registerName = macroModeState.latestRegister; + var register = vimGlobalState.registerController.getRegister(registerName); + if (register && register.pushSearchQuery) { + register.pushSearchQuery(query); + } + } + + /** + * Listens for changes made in insert mode. + * Should only be active in insert mode. + */ + function onChange(cm, changeObj) { + var macroModeState = vimGlobalState.macroModeState; + var lastChange = macroModeState.lastInsertModeChanges; + if (!macroModeState.isPlaying) { + while(changeObj) { + lastChange.expectCursorActivityForChange = true; + if (lastChange.ignoreCount > 1) { + lastChange.ignoreCount--; + } else if (changeObj.origin == '+input' || changeObj.origin == 'paste' + || changeObj.origin === undefined /* only in testing */) { + var selectionCount = cm.listSelections().length; + if (selectionCount > 1) + lastChange.ignoreCount = selectionCount; + var text = changeObj.text.join('\n'); + if (lastChange.maybeReset) { + lastChange.changes = []; + lastChange.maybeReset = false; + } + if (text) { + if (cm.state.overwrite && !/\n/.test(text)) { + lastChange.changes.push([text]); + } else { + lastChange.changes.push(text); + } + } + } + // Change objects may be chained with next. + changeObj = changeObj.next; + } + } + } + + /** + * Listens for any kind of cursor activity on CodeMirror. + */ + function onCursorActivity(cm) { + var vim = cm.state.vim; + if (vim.insertMode) { + // Tracking cursor activity in insert mode (for macro support). + var macroModeState = vimGlobalState.macroModeState; + if (macroModeState.isPlaying) { return; } + var lastChange = macroModeState.lastInsertModeChanges; + if (lastChange.expectCursorActivityForChange) { + lastChange.expectCursorActivityForChange = false; + } else { + // Cursor moved outside the context of an edit. Reset the change. + lastChange.maybeReset = true; + } + } else if (!cm.curOp.isVimOp) { + handleExternalSelection(cm, vim); + } + } + function handleExternalSelection(cm, vim) { + var anchor = cm.getCursor('anchor'); + var head = cm.getCursor('head'); + // Enter or exit visual mode to match mouse selection. + if (vim.visualMode && !cm.somethingSelected()) { + exitVisualMode(cm, false); + } else if (!vim.visualMode && !vim.insertMode && cm.somethingSelected()) { + vim.visualMode = true; + vim.visualLine = false; + CodeMirror.signal(cm, "vim-mode-change", {mode: "visual"}); + } + if (vim.visualMode) { + // Bind CodeMirror selection model to vim selection model. + // Mouse selections are considered visual characterwise. + var headOffset = !cursorIsBefore(head, anchor) ? -1 : 0; + var anchorOffset = cursorIsBefore(head, anchor) ? -1 : 0; + head = offsetCursor(head, 0, headOffset); + anchor = offsetCursor(anchor, 0, anchorOffset); + vim.sel = { + anchor: anchor, + head: head + }; + updateMark(cm, vim, '<', cursorMin(head, anchor)); + updateMark(cm, vim, '>', cursorMax(head, anchor)); + } else if (!vim.insertMode) { + // Reset lastHPos if selection was modified by something outside of vim mode e.g. by mouse. + vim.lastHPos = cm.getCursor().ch; + } + } + + /** Wrapper for special keys pressed in insert mode */ + function InsertModeKey(keyName) { + this.keyName = keyName; + } + + /** + * Handles raw key down events from the text area. + * - Should only be active in insert mode. + * - For recording deletes in insert mode. + */ + function onKeyEventTargetKeyDown(e) { + var macroModeState = vimGlobalState.macroModeState; + var lastChange = macroModeState.lastInsertModeChanges; + var keyName = CodeMirror.keyName(e); + if (!keyName) { return; } + function onKeyFound() { + if (lastChange.maybeReset) { + lastChange.changes = []; + lastChange.maybeReset = false; + } + lastChange.changes.push(new InsertModeKey(keyName)); + return true; + } + if (keyName.indexOf('Delete') != -1 || keyName.indexOf('Backspace') != -1) { + CodeMirror.lookupKey(keyName, 'vim-insert', onKeyFound); + } + } + + /** + * Repeats the last edit, which includes exactly 1 command and at most 1 + * insert. Operator and motion commands are read from lastEditInputState, + * while action commands are read from lastEditActionCommand. + * + * If repeatForInsert is true, then the function was called by + * exitInsertMode to repeat the insert mode changes the user just made. The + * corresponding enterInsertMode call was made with a count. + */ + function repeatLastEdit(cm, vim, repeat, repeatForInsert) { + var macroModeState = vimGlobalState.macroModeState; + macroModeState.isPlaying = true; + var isAction = !!vim.lastEditActionCommand; + var cachedInputState = vim.inputState; + function repeatCommand() { + if (isAction) { + commandDispatcher.processAction(cm, vim, vim.lastEditActionCommand); + } else { + commandDispatcher.evalInput(cm, vim); + } + } + function repeatInsert(repeat) { + if (macroModeState.lastInsertModeChanges.changes.length > 0) { + // For some reason, repeat cw in desktop VIM does not repeat + // insert mode changes. Will conform to that behavior. + repeat = !vim.lastEditActionCommand ? 1 : repeat; + var changeObject = macroModeState.lastInsertModeChanges; + repeatInsertModeChanges(cm, changeObject.changes, repeat); + } + } + vim.inputState = vim.lastEditInputState; + if (isAction && vim.lastEditActionCommand.interlaceInsertRepeat) { + // o and O repeat have to be interlaced with insert repeats so that the + // insertions appear on separate lines instead of the last line. + for (var i = 0; i < repeat; i++) { + repeatCommand(); + repeatInsert(1); + } + } else { + if (!repeatForInsert) { + // Hack to get the cursor to end up at the right place. If I is + // repeated in insert mode repeat, cursor will be 1 insert + // change set left of where it should be. + repeatCommand(); + } + repeatInsert(repeat); + } + vim.inputState = cachedInputState; + if (vim.insertMode && !repeatForInsert) { + // Don't exit insert mode twice. If repeatForInsert is set, then we + // were called by an exitInsertMode call lower on the stack. + exitInsertMode(cm); + } + macroModeState.isPlaying = false; + } + + function repeatInsertModeChanges(cm, changes, repeat) { + function keyHandler(binding) { + if (typeof binding == 'string') { + CodeMirror.commands[binding](cm); + } else { + binding(cm); + } + return true; + } + var head = cm.getCursor('head'); + var visualBlock = vimGlobalState.macroModeState.lastInsertModeChanges.visualBlock; + if (visualBlock) { + // Set up block selection again for repeating the changes. + selectForInsert(cm, head, visualBlock + 1); + repeat = cm.listSelections().length; + cm.setCursor(head); + } + for (var i = 0; i < repeat; i++) { + if (visualBlock) { + cm.setCursor(offsetCursor(head, i, 0)); + } + for (var j = 0; j < changes.length; j++) { + var change = changes[j]; + if (change instanceof InsertModeKey) { + CodeMirror.lookupKey(change.keyName, 'vim-insert', keyHandler); + } else if (typeof change == "string") { + cm.replaceSelection(change); + } else { + var start = cm.getCursor(); + var end = offsetCursor(start, 0, change[0].length); + cm.replaceRange(change[0], start, end); + cm.setCursor(end); + } + } + } + if (visualBlock) { + cm.setCursor(offsetCursor(head, 0, 1)); + } + } + + // multiselect support + function cloneVimState(state) { + var n = new state.constructor(); + Object.keys(state).forEach(function(key) { + var o = state[key]; + if (Array.isArray(o)) + o = o.slice(); + else if (o && typeof o == "object" && o.constructor != Object) + o = cloneVimState(o); + n[key] = o; + }); + if (state.sel) { + n.sel = { + head: state.sel.head && copyCursor(state.sel.head), + anchor: state.sel.anchor && copyCursor(state.sel.anchor) + }; + } + return n; + } + function multiSelectHandleKey(cm, key, origin) { + var isHandled = false; + var vim = vimApi.maybeInitVimState_(cm); + var visualBlock = vim.visualBlock || vim.wasInVisualBlock; + + var wasMultiselect = cm.isInMultiSelectMode(); + if (vim.wasInVisualBlock && !wasMultiselect) { + vim.wasInVisualBlock = false; + } else if (wasMultiselect && vim.visualBlock) { + vim.wasInVisualBlock = true; + } + + if (key == '' && !vim.insertMode && !vim.visualMode && wasMultiselect && vim.status == "") { + // allow editor to exit multiselect + clearInputState(cm); + } else if (visualBlock || !wasMultiselect || cm.inVirtualSelectionMode) { + isHandled = vimApi.handleKey(cm, key, origin); + } else { + var old = cloneVimState(vim); + + cm.operation(function() { + cm.curOp.isVimOp = true; + cm.forEachSelection(function() { + var head = cm.getCursor("head"); + var anchor = cm.getCursor("anchor"); + var headOffset = !cursorIsBefore(head, anchor) ? -1 : 0; + var anchorOffset = cursorIsBefore(head, anchor) ? -1 : 0; + head = offsetCursor(head, 0, headOffset); + anchor = offsetCursor(anchor, 0, anchorOffset); + cm.state.vim.sel.head = head; + cm.state.vim.sel.anchor = anchor; + + isHandled = vimApi.handleKey(cm, key, origin); + if (cm.virtualSelection) { + cm.state.vim = cloneVimState(old); + } + }); + if (cm.curOp.cursorActivity && !isHandled) + cm.curOp.cursorActivity = false; + cm.state.vim = vim; + }, true); + } + // some commands may bring visualMode and selection out of sync + if (isHandled && !vim.visualMode && !vim.insert && vim.visualMode != cm.somethingSelected()) { + handleExternalSelection(cm, vim); + } + return isHandled; + } + resetVimGlobalState(); + + return vimApi; +} + +function initVim(CodeMirror5) { + CodeMirror5.Vim = initVim$1(CodeMirror5); + return CodeMirror5.Vim; +} + + + + CodeMirror.Vim = initVim(CodeMirror); + }); + \ No newline at end of file diff --git a/web/static/js/lib/codemirror.js b/web/static/js/lib/codemirror.js new file mode 100644 index 0000000..7687cd0 --- /dev/null +++ b/web/static/js/lib/codemirror.js @@ -0,0 +1,9884 @@ +// CodeMirror, copyright (c) by Marijn Haverbeke and others +// Distributed under an MIT license: https://codemirror.net/5/LICENSE + +// This is CodeMirror (https://codemirror.net/5), a code editor +// implemented in JavaScript on top of the browser's DOM. +// +// You can find some technical background for some of the code below +// at http://marijnhaverbeke.nl/blog/#cm-internals . + +(function (global, factory) { + typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory() : + typeof define === 'function' && define.amd ? define(factory) : + (global = global || self, global.CodeMirror = factory()); +}(this, (function () { 'use strict'; + + // Kludges for bugs and behavior differences that can't be feature + // detected are enabled based on userAgent etc sniffing. + var userAgent = navigator.userAgent; + var platform = navigator.platform; + + var gecko = /gecko\/\d/i.test(userAgent); + var ie_upto10 = /MSIE \d/.test(userAgent); + var ie_11up = /Trident\/(?:[7-9]|\d{2,})\..*rv:(\d+)/.exec(userAgent); + var edge = /Edge\/(\d+)/.exec(userAgent); + var ie = ie_upto10 || ie_11up || edge; + var ie_version = ie && (ie_upto10 ? document.documentMode || 6 : +(edge || ie_11up)[1]); + var webkit = !edge && /WebKit\//.test(userAgent); + var qtwebkit = webkit && /Qt\/\d+\.\d+/.test(userAgent); + var chrome = !edge && /Chrome\/(\d+)/.exec(userAgent); + var chrome_version = chrome && +chrome[1]; + var presto = /Opera\//.test(userAgent); + var safari = /Apple Computer/.test(navigator.vendor); + var mac_geMountainLion = /Mac OS X 1\d\D([8-9]|\d\d)\D/.test(userAgent); + var phantom = /PhantomJS/.test(userAgent); + + var ios = safari && (/Mobile\/\w+/.test(userAgent) || navigator.maxTouchPoints > 2); + var android = /Android/.test(userAgent); + // This is woefully incomplete. Suggestions for alternative methods welcome. + var mobile = ios || android || /webOS|BlackBerry|Opera Mini|Opera Mobi|IEMobile/i.test(userAgent); + var mac = ios || /Mac/.test(platform); + var chromeOS = /\bCrOS\b/.test(userAgent); + var windows = /win/i.test(platform); + + var presto_version = presto && userAgent.match(/Version\/(\d*\.\d*)/); + if (presto_version) { presto_version = Number(presto_version[1]); } + if (presto_version && presto_version >= 15) { presto = false; webkit = true; } + // Some browsers use the wrong event properties to signal cmd/ctrl on OS X + var flipCtrlCmd = mac && (qtwebkit || presto && (presto_version == null || presto_version < 12.11)); + var captureRightClick = gecko || (ie && ie_version >= 9); + + function classTest(cls) { return new RegExp("(^|\\s)" + cls + "(?:$|\\s)\\s*") } + + var rmClass = function(node, cls) { + var current = node.className; + var match = classTest(cls).exec(current); + if (match) { + var after = current.slice(match.index + match[0].length); + node.className = current.slice(0, match.index) + (after ? match[1] + after : ""); + } + }; + + function removeChildren(e) { + for (var count = e.childNodes.length; count > 0; --count) + { e.removeChild(e.firstChild); } + return e + } + + function removeChildrenAndAdd(parent, e) { + return removeChildren(parent).appendChild(e) + } + + function elt(tag, content, className, style) { + var e = document.createElement(tag); + if (className) { e.className = className; } + if (style) { e.style.cssText = style; } + if (typeof content == "string") { e.appendChild(document.createTextNode(content)); } + else if (content) { for (var i = 0; i < content.length; ++i) { e.appendChild(content[i]); } } + return e + } + // wrapper for elt, which removes the elt from the accessibility tree + function eltP(tag, content, className, style) { + var e = elt(tag, content, className, style); + e.setAttribute("role", "presentation"); + return e + } + + var range; + if (document.createRange) { range = function(node, start, end, endNode) { + var r = document.createRange(); + r.setEnd(endNode || node, end); + r.setStart(node, start); + return r + }; } + else { range = function(node, start, end) { + var r = document.body.createTextRange(); + try { r.moveToElementText(node.parentNode); } + catch(e) { return r } + r.collapse(true); + r.moveEnd("character", end); + r.moveStart("character", start); + return r + }; } + + function contains(parent, child) { + if (child.nodeType == 3) // Android browser always returns false when child is a textnode + { child = child.parentNode; } + if (parent.contains) + { return parent.contains(child) } + do { + if (child.nodeType == 11) { child = child.host; } + if (child == parent) { return true } + } while (child = child.parentNode) + } + + function activeElt(rootNode) { + // IE and Edge may throw an "Unspecified Error" when accessing document.activeElement. + // IE < 10 will throw when accessed while the page is loading or in an iframe. + // IE > 9 and Edge will throw when accessed in an iframe if document.body is unavailable. + var doc = rootNode.ownerDocument || rootNode; + var activeElement; + try { + activeElement = rootNode.activeElement; + } catch(e) { + activeElement = doc.body || null; + } + while (activeElement && activeElement.shadowRoot && activeElement.shadowRoot.activeElement) + { activeElement = activeElement.shadowRoot.activeElement; } + return activeElement + } + + function addClass(node, cls) { + var current = node.className; + if (!classTest(cls).test(current)) { node.className += (current ? " " : "") + cls; } + } + function joinClasses(a, b) { + var as = a.split(" "); + for (var i = 0; i < as.length; i++) + { if (as[i] && !classTest(as[i]).test(b)) { b += " " + as[i]; } } + return b + } + + var selectInput = function(node) { node.select(); }; + if (ios) // Mobile Safari apparently has a bug where select() is broken. + { selectInput = function(node) { node.selectionStart = 0; node.selectionEnd = node.value.length; }; } + else if (ie) // Suppress mysterious IE10 errors + { selectInput = function(node) { try { node.select(); } catch(_e) {} }; } + + function doc(cm) { return cm.display.wrapper.ownerDocument } + + function root(cm) { + return rootNode(cm.display.wrapper) + } + + function rootNode(element) { + // Detect modern browsers (2017+). + return element.getRootNode ? element.getRootNode() : element.ownerDocument + } + + function win(cm) { return doc(cm).defaultView } + + function bind(f) { + var args = Array.prototype.slice.call(arguments, 1); + return function(){return f.apply(null, args)} + } + + function copyObj(obj, target, overwrite) { + if (!target) { target = {}; } + for (var prop in obj) + { if (obj.hasOwnProperty(prop) && (overwrite !== false || !target.hasOwnProperty(prop))) + { target[prop] = obj[prop]; } } + return target + } + + // Counts the column offset in a string, taking tabs into account. + // Used mostly to find indentation. + function countColumn(string, end, tabSize, startIndex, startValue) { + if (end == null) { + end = string.search(/[^\s\u00a0]/); + if (end == -1) { end = string.length; } + } + for (var i = startIndex || 0, n = startValue || 0;;) { + var nextTab = string.indexOf("\t", i); + if (nextTab < 0 || nextTab >= end) + { return n + (end - i) } + n += nextTab - i; + n += tabSize - (n % tabSize); + i = nextTab + 1; + } + } + + var Delayed = function() { + this.id = null; + this.f = null; + this.time = 0; + this.handler = bind(this.onTimeout, this); + }; + Delayed.prototype.onTimeout = function (self) { + self.id = 0; + if (self.time <= +new Date) { + self.f(); + } else { + setTimeout(self.handler, self.time - +new Date); + } + }; + Delayed.prototype.set = function (ms, f) { + this.f = f; + var time = +new Date + ms; + if (!this.id || time < this.time) { + clearTimeout(this.id); + this.id = setTimeout(this.handler, ms); + this.time = time; + } + }; + + function indexOf(array, elt) { + for (var i = 0; i < array.length; ++i) + { if (array[i] == elt) { return i } } + return -1 + } + + // Number of pixels added to scroller and sizer to hide scrollbar + var scrollerGap = 50; + + // Returned or thrown by various protocols to signal 'I'm not + // handling this'. + var Pass = {toString: function(){return "CodeMirror.Pass"}}; + + // Reused option objects for setSelection & friends + var sel_dontScroll = {scroll: false}, sel_mouse = {origin: "*mouse"}, sel_move = {origin: "+move"}; + + // The inverse of countColumn -- find the offset that corresponds to + // a particular column. + function findColumn(string, goal, tabSize) { + for (var pos = 0, col = 0;;) { + var nextTab = string.indexOf("\t", pos); + if (nextTab == -1) { nextTab = string.length; } + var skipped = nextTab - pos; + if (nextTab == string.length || col + skipped >= goal) + { return pos + Math.min(skipped, goal - col) } + col += nextTab - pos; + col += tabSize - (col % tabSize); + pos = nextTab + 1; + if (col >= goal) { return pos } + } + } + + var spaceStrs = [""]; + function spaceStr(n) { + while (spaceStrs.length <= n) + { spaceStrs.push(lst(spaceStrs) + " "); } + return spaceStrs[n] + } + + function lst(arr) { return arr[arr.length-1] } + + function map(array, f) { + var out = []; + for (var i = 0; i < array.length; i++) { out[i] = f(array[i], i); } + return out + } + + function insertSorted(array, value, score) { + var pos = 0, priority = score(value); + while (pos < array.length && score(array[pos]) <= priority) { pos++; } + array.splice(pos, 0, value); + } + + function nothing() {} + + function createObj(base, props) { + var inst; + if (Object.create) { + inst = Object.create(base); + } else { + nothing.prototype = base; + inst = new nothing(); + } + if (props) { copyObj(props, inst); } + return inst + } + + var nonASCIISingleCaseWordChar = /[\u00df\u0587\u0590-\u05f4\u0600-\u06ff\u3040-\u309f\u30a0-\u30ff\u3400-\u4db5\u4e00-\u9fcc\uac00-\ud7af]/; + function isWordCharBasic(ch) { + return /\w/.test(ch) || ch > "\x80" && + (ch.toUpperCase() != ch.toLowerCase() || nonASCIISingleCaseWordChar.test(ch)) + } + function isWordChar(ch, helper) { + if (!helper) { return isWordCharBasic(ch) } + if (helper.source.indexOf("\\w") > -1 && isWordCharBasic(ch)) { return true } + return helper.test(ch) + } + + function isEmpty(obj) { + for (var n in obj) { if (obj.hasOwnProperty(n) && obj[n]) { return false } } + return true + } + + // Extending unicode characters. A series of a non-extending char + + // any number of extending chars is treated as a single unit as far + // as editing and measuring is concerned. This is not fully correct, + // since some scripts/fonts/browsers also treat other configurations + // of code points as a group. + var extendingChars = /[\u0300-\u036f\u0483-\u0489\u0591-\u05bd\u05bf\u05c1\u05c2\u05c4\u05c5\u05c7\u0610-\u061a\u064b-\u065e\u0670\u06d6-\u06dc\u06de-\u06e4\u06e7\u06e8\u06ea-\u06ed\u0711\u0730-\u074a\u07a6-\u07b0\u07eb-\u07f3\u0816-\u0819\u081b-\u0823\u0825-\u0827\u0829-\u082d\u0900-\u0902\u093c\u0941-\u0948\u094d\u0951-\u0955\u0962\u0963\u0981\u09bc\u09be\u09c1-\u09c4\u09cd\u09d7\u09e2\u09e3\u0a01\u0a02\u0a3c\u0a41\u0a42\u0a47\u0a48\u0a4b-\u0a4d\u0a51\u0a70\u0a71\u0a75\u0a81\u0a82\u0abc\u0ac1-\u0ac5\u0ac7\u0ac8\u0acd\u0ae2\u0ae3\u0b01\u0b3c\u0b3e\u0b3f\u0b41-\u0b44\u0b4d\u0b56\u0b57\u0b62\u0b63\u0b82\u0bbe\u0bc0\u0bcd\u0bd7\u0c3e-\u0c40\u0c46-\u0c48\u0c4a-\u0c4d\u0c55\u0c56\u0c62\u0c63\u0cbc\u0cbf\u0cc2\u0cc6\u0ccc\u0ccd\u0cd5\u0cd6\u0ce2\u0ce3\u0d3e\u0d41-\u0d44\u0d4d\u0d57\u0d62\u0d63\u0dca\u0dcf\u0dd2-\u0dd4\u0dd6\u0ddf\u0e31\u0e34-\u0e3a\u0e47-\u0e4e\u0eb1\u0eb4-\u0eb9\u0ebb\u0ebc\u0ec8-\u0ecd\u0f18\u0f19\u0f35\u0f37\u0f39\u0f71-\u0f7e\u0f80-\u0f84\u0f86\u0f87\u0f90-\u0f97\u0f99-\u0fbc\u0fc6\u102d-\u1030\u1032-\u1037\u1039\u103a\u103d\u103e\u1058\u1059\u105e-\u1060\u1071-\u1074\u1082\u1085\u1086\u108d\u109d\u135f\u1712-\u1714\u1732-\u1734\u1752\u1753\u1772\u1773\u17b7-\u17bd\u17c6\u17c9-\u17d3\u17dd\u180b-\u180d\u18a9\u1920-\u1922\u1927\u1928\u1932\u1939-\u193b\u1a17\u1a18\u1a56\u1a58-\u1a5e\u1a60\u1a62\u1a65-\u1a6c\u1a73-\u1a7c\u1a7f\u1b00-\u1b03\u1b34\u1b36-\u1b3a\u1b3c\u1b42\u1b6b-\u1b73\u1b80\u1b81\u1ba2-\u1ba5\u1ba8\u1ba9\u1c2c-\u1c33\u1c36\u1c37\u1cd0-\u1cd2\u1cd4-\u1ce0\u1ce2-\u1ce8\u1ced\u1dc0-\u1de6\u1dfd-\u1dff\u200c\u200d\u20d0-\u20f0\u2cef-\u2cf1\u2de0-\u2dff\u302a-\u302f\u3099\u309a\ua66f-\ua672\ua67c\ua67d\ua6f0\ua6f1\ua802\ua806\ua80b\ua825\ua826\ua8c4\ua8e0-\ua8f1\ua926-\ua92d\ua947-\ua951\ua980-\ua982\ua9b3\ua9b6-\ua9b9\ua9bc\uaa29-\uaa2e\uaa31\uaa32\uaa35\uaa36\uaa43\uaa4c\uaab0\uaab2-\uaab4\uaab7\uaab8\uaabe\uaabf\uaac1\uabe5\uabe8\uabed\udc00-\udfff\ufb1e\ufe00-\ufe0f\ufe20-\ufe26\uff9e\uff9f]/; + function isExtendingChar(ch) { return ch.charCodeAt(0) >= 768 && extendingChars.test(ch) } + + // Returns a number from the range [`0`; `str.length`] unless `pos` is outside that range. + function skipExtendingChars(str, pos, dir) { + while ((dir < 0 ? pos > 0 : pos < str.length) && isExtendingChar(str.charAt(pos))) { pos += dir; } + return pos + } + + // Returns the value from the range [`from`; `to`] that satisfies + // `pred` and is closest to `from`. Assumes that at least `to` + // satisfies `pred`. Supports `from` being greater than `to`. + function findFirst(pred, from, to) { + // At any point we are certain `to` satisfies `pred`, don't know + // whether `from` does. + var dir = from > to ? -1 : 1; + for (;;) { + if (from == to) { return from } + var midF = (from + to) / 2, mid = dir < 0 ? Math.ceil(midF) : Math.floor(midF); + if (mid == from) { return pred(mid) ? from : to } + if (pred(mid)) { to = mid; } + else { from = mid + dir; } + } + } + + // BIDI HELPERS + + function iterateBidiSections(order, from, to, f) { + if (!order) { return f(from, to, "ltr", 0) } + var found = false; + for (var i = 0; i < order.length; ++i) { + var part = order[i]; + if (part.from < to && part.to > from || from == to && part.to == from) { + f(Math.max(part.from, from), Math.min(part.to, to), part.level == 1 ? "rtl" : "ltr", i); + found = true; + } + } + if (!found) { f(from, to, "ltr"); } + } + + var bidiOther = null; + function getBidiPartAt(order, ch, sticky) { + var found; + bidiOther = null; + for (var i = 0; i < order.length; ++i) { + var cur = order[i]; + if (cur.from < ch && cur.to > ch) { return i } + if (cur.to == ch) { + if (cur.from != cur.to && sticky == "before") { found = i; } + else { bidiOther = i; } + } + if (cur.from == ch) { + if (cur.from != cur.to && sticky != "before") { found = i; } + else { bidiOther = i; } + } + } + return found != null ? found : bidiOther + } + + // Bidirectional ordering algorithm + // See http://unicode.org/reports/tr9/tr9-13.html for the algorithm + // that this (partially) implements. + + // One-char codes used for character types: + // L (L): Left-to-Right + // R (R): Right-to-Left + // r (AL): Right-to-Left Arabic + // 1 (EN): European Number + // + (ES): European Number Separator + // % (ET): European Number Terminator + // n (AN): Arabic Number + // , (CS): Common Number Separator + // m (NSM): Non-Spacing Mark + // b (BN): Boundary Neutral + // s (B): Paragraph Separator + // t (S): Segment Separator + // w (WS): Whitespace + // N (ON): Other Neutrals + + // Returns null if characters are ordered as they appear + // (left-to-right), or an array of sections ({from, to, level} + // objects) in the order in which they occur visually. + var bidiOrdering = (function() { + // Character types for codepoints 0 to 0xff + var lowTypes = "bbbbbbbbbtstwsbbbbbbbbbbbbbbssstwNN%%%NNNNNN,N,N1111111111NNNNNNNLLLLLLLLLLLLLLLLLLLLLLLLLLNNNNNNLLLLLLLLLLLLLLLLLLLLLLLLLLNNNNbbbbbbsbbbbbbbbbbbbbbbbbbbbbbbbbb,N%%%%NNNNLNNNNN%%11NLNNN1LNNNNNLLLLLLLLLLLLLLLLLLLLLLLNLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLN"; + // Character types for codepoints 0x600 to 0x6f9 + var arabicTypes = "nnnnnnNNr%%r,rNNmmmmmmmmmmmrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrmmmmmmmmmmmmmmmmmmmmmnnnnnnnnnn%nnrrrmrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrmmmmmmmnNmmmmmmrrmmNmmmmrr1111111111"; + function charType(code) { + if (code <= 0xf7) { return lowTypes.charAt(code) } + else if (0x590 <= code && code <= 0x5f4) { return "R" } + else if (0x600 <= code && code <= 0x6f9) { return arabicTypes.charAt(code - 0x600) } + else if (0x6ee <= code && code <= 0x8ac) { return "r" } + else if (0x2000 <= code && code <= 0x200b) { return "w" } + else if (code == 0x200c) { return "b" } + else { return "L" } + } + + var bidiRE = /[\u0590-\u05f4\u0600-\u06ff\u0700-\u08ac]/; + var isNeutral = /[stwN]/, isStrong = /[LRr]/, countsAsLeft = /[Lb1n]/, countsAsNum = /[1n]/; + + function BidiSpan(level, from, to) { + this.level = level; + this.from = from; this.to = to; + } + + return function(str, direction) { + var outerType = direction == "ltr" ? "L" : "R"; + + if (str.length == 0 || direction == "ltr" && !bidiRE.test(str)) { return false } + var len = str.length, types = []; + for (var i = 0; i < len; ++i) + { types.push(charType(str.charCodeAt(i))); } + + // W1. Examine each non-spacing mark (NSM) in the level run, and + // change the type of the NSM to the type of the previous + // character. If the NSM is at the start of the level run, it will + // get the type of sor. + for (var i$1 = 0, prev = outerType; i$1 < len; ++i$1) { + var type = types[i$1]; + if (type == "m") { types[i$1] = prev; } + else { prev = type; } + } + + // W2. Search backwards from each instance of a European number + // until the first strong type (R, L, AL, or sor) is found. If an + // AL is found, change the type of the European number to Arabic + // number. + // W3. Change all ALs to R. + for (var i$2 = 0, cur = outerType; i$2 < len; ++i$2) { + var type$1 = types[i$2]; + if (type$1 == "1" && cur == "r") { types[i$2] = "n"; } + else if (isStrong.test(type$1)) { cur = type$1; if (type$1 == "r") { types[i$2] = "R"; } } + } + + // W4. A single European separator between two European numbers + // changes to a European number. A single common separator between + // two numbers of the same type changes to that type. + for (var i$3 = 1, prev$1 = types[0]; i$3 < len - 1; ++i$3) { + var type$2 = types[i$3]; + if (type$2 == "+" && prev$1 == "1" && types[i$3+1] == "1") { types[i$3] = "1"; } + else if (type$2 == "," && prev$1 == types[i$3+1] && + (prev$1 == "1" || prev$1 == "n")) { types[i$3] = prev$1; } + prev$1 = type$2; + } + + // W5. A sequence of European terminators adjacent to European + // numbers changes to all European numbers. + // W6. Otherwise, separators and terminators change to Other + // Neutral. + for (var i$4 = 0; i$4 < len; ++i$4) { + var type$3 = types[i$4]; + if (type$3 == ",") { types[i$4] = "N"; } + else if (type$3 == "%") { + var end = (void 0); + for (end = i$4 + 1; end < len && types[end] == "%"; ++end) {} + var replace = (i$4 && types[i$4-1] == "!") || (end < len && types[end] == "1") ? "1" : "N"; + for (var j = i$4; j < end; ++j) { types[j] = replace; } + i$4 = end - 1; + } + } + + // W7. Search backwards from each instance of a European number + // until the first strong type (R, L, or sor) is found. If an L is + // found, then change the type of the European number to L. + for (var i$5 = 0, cur$1 = outerType; i$5 < len; ++i$5) { + var type$4 = types[i$5]; + if (cur$1 == "L" && type$4 == "1") { types[i$5] = "L"; } + else if (isStrong.test(type$4)) { cur$1 = type$4; } + } + + // N1. A sequence of neutrals takes the direction of the + // surrounding strong text if the text on both sides has the same + // direction. European and Arabic numbers act as if they were R in + // terms of their influence on neutrals. Start-of-level-run (sor) + // and end-of-level-run (eor) are used at level run boundaries. + // N2. Any remaining neutrals take the embedding direction. + for (var i$6 = 0; i$6 < len; ++i$6) { + if (isNeutral.test(types[i$6])) { + var end$1 = (void 0); + for (end$1 = i$6 + 1; end$1 < len && isNeutral.test(types[end$1]); ++end$1) {} + var before = (i$6 ? types[i$6-1] : outerType) == "L"; + var after = (end$1 < len ? types[end$1] : outerType) == "L"; + var replace$1 = before == after ? (before ? "L" : "R") : outerType; + for (var j$1 = i$6; j$1 < end$1; ++j$1) { types[j$1] = replace$1; } + i$6 = end$1 - 1; + } + } + + // Here we depart from the documented algorithm, in order to avoid + // building up an actual levels array. Since there are only three + // levels (0, 1, 2) in an implementation that doesn't take + // explicit embedding into account, we can build up the order on + // the fly, without following the level-based algorithm. + var order = [], m; + for (var i$7 = 0; i$7 < len;) { + if (countsAsLeft.test(types[i$7])) { + var start = i$7; + for (++i$7; i$7 < len && countsAsLeft.test(types[i$7]); ++i$7) {} + order.push(new BidiSpan(0, start, i$7)); + } else { + var pos = i$7, at = order.length, isRTL = direction == "rtl" ? 1 : 0; + for (++i$7; i$7 < len && types[i$7] != "L"; ++i$7) {} + for (var j$2 = pos; j$2 < i$7;) { + if (countsAsNum.test(types[j$2])) { + if (pos < j$2) { order.splice(at, 0, new BidiSpan(1, pos, j$2)); at += isRTL; } + var nstart = j$2; + for (++j$2; j$2 < i$7 && countsAsNum.test(types[j$2]); ++j$2) {} + order.splice(at, 0, new BidiSpan(2, nstart, j$2)); + at += isRTL; + pos = j$2; + } else { ++j$2; } + } + if (pos < i$7) { order.splice(at, 0, new BidiSpan(1, pos, i$7)); } + } + } + if (direction == "ltr") { + if (order[0].level == 1 && (m = str.match(/^\s+/))) { + order[0].from = m[0].length; + order.unshift(new BidiSpan(0, 0, m[0].length)); + } + if (lst(order).level == 1 && (m = str.match(/\s+$/))) { + lst(order).to -= m[0].length; + order.push(new BidiSpan(0, len - m[0].length, len)); + } + } + + return direction == "rtl" ? order.reverse() : order + } + })(); + + // Get the bidi ordering for the given line (and cache it). Returns + // false for lines that are fully left-to-right, and an array of + // BidiSpan objects otherwise. + function getOrder(line, direction) { + var order = line.order; + if (order == null) { order = line.order = bidiOrdering(line.text, direction); } + return order + } + + // EVENT HANDLING + + // Lightweight event framework. on/off also work on DOM nodes, + // registering native DOM handlers. + + var noHandlers = []; + + var on = function(emitter, type, f) { + if (emitter.addEventListener) { + emitter.addEventListener(type, f, false); + } else if (emitter.attachEvent) { + emitter.attachEvent("on" + type, f); + } else { + var map = emitter._handlers || (emitter._handlers = {}); + map[type] = (map[type] || noHandlers).concat(f); + } + }; + + function getHandlers(emitter, type) { + return emitter._handlers && emitter._handlers[type] || noHandlers + } + + function off(emitter, type, f) { + if (emitter.removeEventListener) { + emitter.removeEventListener(type, f, false); + } else if (emitter.detachEvent) { + emitter.detachEvent("on" + type, f); + } else { + var map = emitter._handlers, arr = map && map[type]; + if (arr) { + var index = indexOf(arr, f); + if (index > -1) + { map[type] = arr.slice(0, index).concat(arr.slice(index + 1)); } + } + } + } + + function signal(emitter, type /*, values...*/) { + var handlers = getHandlers(emitter, type); + if (!handlers.length) { return } + var args = Array.prototype.slice.call(arguments, 2); + for (var i = 0; i < handlers.length; ++i) { handlers[i].apply(null, args); } + } + + // The DOM events that CodeMirror handles can be overridden by + // registering a (non-DOM) handler on the editor for the event name, + // and preventDefault-ing the event in that handler. + function signalDOMEvent(cm, e, override) { + if (typeof e == "string") + { e = {type: e, preventDefault: function() { this.defaultPrevented = true; }}; } + signal(cm, override || e.type, cm, e); + return e_defaultPrevented(e) || e.codemirrorIgnore + } + + function signalCursorActivity(cm) { + var arr = cm._handlers && cm._handlers.cursorActivity; + if (!arr) { return } + var set = cm.curOp.cursorActivityHandlers || (cm.curOp.cursorActivityHandlers = []); + for (var i = 0; i < arr.length; ++i) { if (indexOf(set, arr[i]) == -1) + { set.push(arr[i]); } } + } + + function hasHandler(emitter, type) { + return getHandlers(emitter, type).length > 0 + } + + // Add on and off methods to a constructor's prototype, to make + // registering events on such objects more convenient. + function eventMixin(ctor) { + ctor.prototype.on = function(type, f) {on(this, type, f);}; + ctor.prototype.off = function(type, f) {off(this, type, f);}; + } + + // Due to the fact that we still support jurassic IE versions, some + // compatibility wrappers are needed. + + function e_preventDefault(e) { + if (e.preventDefault) { e.preventDefault(); } + else { e.returnValue = false; } + } + function e_stopPropagation(e) { + if (e.stopPropagation) { e.stopPropagation(); } + else { e.cancelBubble = true; } + } + function e_defaultPrevented(e) { + return e.defaultPrevented != null ? e.defaultPrevented : e.returnValue == false + } + function e_stop(e) {e_preventDefault(e); e_stopPropagation(e);} + + function e_target(e) {return e.target || e.srcElement} + function e_button(e) { + var b = e.which; + if (b == null) { + if (e.button & 1) { b = 1; } + else if (e.button & 2) { b = 3; } + else if (e.button & 4) { b = 2; } + } + if (mac && e.ctrlKey && b == 1) { b = 3; } + return b + } + + // Detect drag-and-drop + var dragAndDrop = function() { + // There is *some* kind of drag-and-drop support in IE6-8, but I + // couldn't get it to work yet. + if (ie && ie_version < 9) { return false } + var div = elt('div'); + return "draggable" in div || "dragDrop" in div + }(); + + var zwspSupported; + function zeroWidthElement(measure) { + if (zwspSupported == null) { + var test = elt("span", "\u200b"); + removeChildrenAndAdd(measure, elt("span", [test, document.createTextNode("x")])); + if (measure.firstChild.offsetHeight != 0) + { zwspSupported = test.offsetWidth <= 1 && test.offsetHeight > 2 && !(ie && ie_version < 8); } + } + var node = zwspSupported ? elt("span", "\u200b") : + elt("span", "\u00a0", null, "display: inline-block; width: 1px; margin-right: -1px"); + node.setAttribute("cm-text", ""); + return node + } + + // Feature-detect IE's crummy client rect reporting for bidi text + var badBidiRects; + function hasBadBidiRects(measure) { + if (badBidiRects != null) { return badBidiRects } + var txt = removeChildrenAndAdd(measure, document.createTextNode("A\u062eA")); + var r0 = range(txt, 0, 1).getBoundingClientRect(); + var r1 = range(txt, 1, 2).getBoundingClientRect(); + removeChildren(measure); + if (!r0 || r0.left == r0.right) { return false } // Safari returns null in some cases (#2780) + return badBidiRects = (r1.right - r0.right < 3) + } + + // See if "".split is the broken IE version, if so, provide an + // alternative way to split lines. + var splitLinesAuto = "\n\nb".split(/\n/).length != 3 ? function (string) { + var pos = 0, result = [], l = string.length; + while (pos <= l) { + var nl = string.indexOf("\n", pos); + if (nl == -1) { nl = string.length; } + var line = string.slice(pos, string.charAt(nl - 1) == "\r" ? nl - 1 : nl); + var rt = line.indexOf("\r"); + if (rt != -1) { + result.push(line.slice(0, rt)); + pos += rt + 1; + } else { + result.push(line); + pos = nl + 1; + } + } + return result + } : function (string) { return string.split(/\r\n?|\n/); }; + + var hasSelection = window.getSelection ? function (te) { + try { return te.selectionStart != te.selectionEnd } + catch(e) { return false } + } : function (te) { + var range; + try {range = te.ownerDocument.selection.createRange();} + catch(e) {} + if (!range || range.parentElement() != te) { return false } + return range.compareEndPoints("StartToEnd", range) != 0 + }; + + var hasCopyEvent = (function () { + var e = elt("div"); + if ("oncopy" in e) { return true } + e.setAttribute("oncopy", "return;"); + return typeof e.oncopy == "function" + })(); + + var badZoomedRects = null; + function hasBadZoomedRects(measure) { + if (badZoomedRects != null) { return badZoomedRects } + var node = removeChildrenAndAdd(measure, elt("span", "x")); + var normal = node.getBoundingClientRect(); + var fromRange = range(node, 0, 1).getBoundingClientRect(); + return badZoomedRects = Math.abs(normal.left - fromRange.left) > 1 + } + + // Known modes, by name and by MIME + var modes = {}, mimeModes = {}; + + // Extra arguments are stored as the mode's dependencies, which is + // used by (legacy) mechanisms like loadmode.js to automatically + // load a mode. (Preferred mechanism is the require/define calls.) + function defineMode(name, mode) { + if (arguments.length > 2) + { mode.dependencies = Array.prototype.slice.call(arguments, 2); } + modes[name] = mode; + } + + function defineMIME(mime, spec) { + mimeModes[mime] = spec; + } + + // Given a MIME type, a {name, ...options} config object, or a name + // string, return a mode config object. + function resolveMode(spec) { + if (typeof spec == "string" && mimeModes.hasOwnProperty(spec)) { + spec = mimeModes[spec]; + } else if (spec && typeof spec.name == "string" && mimeModes.hasOwnProperty(spec.name)) { + var found = mimeModes[spec.name]; + if (typeof found == "string") { found = {name: found}; } + spec = createObj(found, spec); + spec.name = found.name; + } else if (typeof spec == "string" && /^[\w\-]+\/[\w\-]+\+xml$/.test(spec)) { + return resolveMode("application/xml") + } else if (typeof spec == "string" && /^[\w\-]+\/[\w\-]+\+json$/.test(spec)) { + return resolveMode("application/json") + } + if (typeof spec == "string") { return {name: spec} } + else { return spec || {name: "null"} } + } + + // Given a mode spec (anything that resolveMode accepts), find and + // initialize an actual mode object. + function getMode(options, spec) { + spec = resolveMode(spec); + var mfactory = modes[spec.name]; + if (!mfactory) { return getMode(options, "text/plain") } + var modeObj = mfactory(options, spec); + if (modeExtensions.hasOwnProperty(spec.name)) { + var exts = modeExtensions[spec.name]; + for (var prop in exts) { + if (!exts.hasOwnProperty(prop)) { continue } + if (modeObj.hasOwnProperty(prop)) { modeObj["_" + prop] = modeObj[prop]; } + modeObj[prop] = exts[prop]; + } + } + modeObj.name = spec.name; + if (spec.helperType) { modeObj.helperType = spec.helperType; } + if (spec.modeProps) { for (var prop$1 in spec.modeProps) + { modeObj[prop$1] = spec.modeProps[prop$1]; } } + + return modeObj + } + + // This can be used to attach properties to mode objects from + // outside the actual mode definition. + var modeExtensions = {}; + function extendMode(mode, properties) { + var exts = modeExtensions.hasOwnProperty(mode) ? modeExtensions[mode] : (modeExtensions[mode] = {}); + copyObj(properties, exts); + } + + function copyState(mode, state) { + if (state === true) { return state } + if (mode.copyState) { return mode.copyState(state) } + var nstate = {}; + for (var n in state) { + var val = state[n]; + if (val instanceof Array) { val = val.concat([]); } + nstate[n] = val; + } + return nstate + } + + // Given a mode and a state (for that mode), find the inner mode and + // state at the position that the state refers to. + function innerMode(mode, state) { + var info; + while (mode.innerMode) { + info = mode.innerMode(state); + if (!info || info.mode == mode) { break } + state = info.state; + mode = info.mode; + } + return info || {mode: mode, state: state} + } + + function startState(mode, a1, a2) { + return mode.startState ? mode.startState(a1, a2) : true + } + + // STRING STREAM + + // Fed to the mode parsers, provides helper functions to make + // parsers more succinct. + + var StringStream = function(string, tabSize, lineOracle) { + this.pos = this.start = 0; + this.string = string; + this.tabSize = tabSize || 8; + this.lastColumnPos = this.lastColumnValue = 0; + this.lineStart = 0; + this.lineOracle = lineOracle; + }; + + StringStream.prototype.eol = function () {return this.pos >= this.string.length}; + StringStream.prototype.sol = function () {return this.pos == this.lineStart}; + StringStream.prototype.peek = function () {return this.string.charAt(this.pos) || undefined}; + StringStream.prototype.next = function () { + if (this.pos < this.string.length) + { return this.string.charAt(this.pos++) } + }; + StringStream.prototype.eat = function (match) { + var ch = this.string.charAt(this.pos); + var ok; + if (typeof match == "string") { ok = ch == match; } + else { ok = ch && (match.test ? match.test(ch) : match(ch)); } + if (ok) {++this.pos; return ch} + }; + StringStream.prototype.eatWhile = function (match) { + var start = this.pos; + while (this.eat(match)){} + return this.pos > start + }; + StringStream.prototype.eatSpace = function () { + var start = this.pos; + while (/[\s\u00a0]/.test(this.string.charAt(this.pos))) { ++this.pos; } + return this.pos > start + }; + StringStream.prototype.skipToEnd = function () {this.pos = this.string.length;}; + StringStream.prototype.skipTo = function (ch) { + var found = this.string.indexOf(ch, this.pos); + if (found > -1) {this.pos = found; return true} + }; + StringStream.prototype.backUp = function (n) {this.pos -= n;}; + StringStream.prototype.column = function () { + if (this.lastColumnPos < this.start) { + this.lastColumnValue = countColumn(this.string, this.start, this.tabSize, this.lastColumnPos, this.lastColumnValue); + this.lastColumnPos = this.start; + } + return this.lastColumnValue - (this.lineStart ? countColumn(this.string, this.lineStart, this.tabSize) : 0) + }; + StringStream.prototype.indentation = function () { + return countColumn(this.string, null, this.tabSize) - + (this.lineStart ? countColumn(this.string, this.lineStart, this.tabSize) : 0) + }; + StringStream.prototype.match = function (pattern, consume, caseInsensitive) { + if (typeof pattern == "string") { + var cased = function (str) { return caseInsensitive ? str.toLowerCase() : str; }; + var substr = this.string.substr(this.pos, pattern.length); + if (cased(substr) == cased(pattern)) { + if (consume !== false) { this.pos += pattern.length; } + return true + } + } else { + var match = this.string.slice(this.pos).match(pattern); + if (match && match.index > 0) { return null } + if (match && consume !== false) { this.pos += match[0].length; } + return match + } + }; + StringStream.prototype.current = function (){return this.string.slice(this.start, this.pos)}; + StringStream.prototype.hideFirstChars = function (n, inner) { + this.lineStart += n; + try { return inner() } + finally { this.lineStart -= n; } + }; + StringStream.prototype.lookAhead = function (n) { + var oracle = this.lineOracle; + return oracle && oracle.lookAhead(n) + }; + StringStream.prototype.baseToken = function () { + var oracle = this.lineOracle; + return oracle && oracle.baseToken(this.pos) + }; + + // Find the line object corresponding to the given line number. + function getLine(doc, n) { + n -= doc.first; + if (n < 0 || n >= doc.size) { throw new Error("There is no line " + (n + doc.first) + " in the document.") } + var chunk = doc; + while (!chunk.lines) { + for (var i = 0;; ++i) { + var child = chunk.children[i], sz = child.chunkSize(); + if (n < sz) { chunk = child; break } + n -= sz; + } + } + return chunk.lines[n] + } + + // Get the part of a document between two positions, as an array of + // strings. + function getBetween(doc, start, end) { + var out = [], n = start.line; + doc.iter(start.line, end.line + 1, function (line) { + var text = line.text; + if (n == end.line) { text = text.slice(0, end.ch); } + if (n == start.line) { text = text.slice(start.ch); } + out.push(text); + ++n; + }); + return out + } + // Get the lines between from and to, as array of strings. + function getLines(doc, from, to) { + var out = []; + doc.iter(from, to, function (line) { out.push(line.text); }); // iter aborts when callback returns truthy value + return out + } + + // Update the height of a line, propagating the height change + // upwards to parent nodes. + function updateLineHeight(line, height) { + var diff = height - line.height; + if (diff) { for (var n = line; n; n = n.parent) { n.height += diff; } } + } + + // Given a line object, find its line number by walking up through + // its parent links. + function lineNo(line) { + if (line.parent == null) { return null } + var cur = line.parent, no = indexOf(cur.lines, line); + for (var chunk = cur.parent; chunk; cur = chunk, chunk = chunk.parent) { + for (var i = 0;; ++i) { + if (chunk.children[i] == cur) { break } + no += chunk.children[i].chunkSize(); + } + } + return no + cur.first + } + + // Find the line at the given vertical position, using the height + // information in the document tree. + function lineAtHeight(chunk, h) { + var n = chunk.first; + outer: do { + for (var i$1 = 0; i$1 < chunk.children.length; ++i$1) { + var child = chunk.children[i$1], ch = child.height; + if (h < ch) { chunk = child; continue outer } + h -= ch; + n += child.chunkSize(); + } + return n + } while (!chunk.lines) + var i = 0; + for (; i < chunk.lines.length; ++i) { + var line = chunk.lines[i], lh = line.height; + if (h < lh) { break } + h -= lh; + } + return n + i + } + + function isLine(doc, l) {return l >= doc.first && l < doc.first + doc.size} + + function lineNumberFor(options, i) { + return String(options.lineNumberFormatter(i + options.firstLineNumber)) + } + + // A Pos instance represents a position within the text. + function Pos(line, ch, sticky) { + if ( sticky === void 0 ) sticky = null; + + if (!(this instanceof Pos)) { return new Pos(line, ch, sticky) } + this.line = line; + this.ch = ch; + this.sticky = sticky; + } + + // Compare two positions, return 0 if they are the same, a negative + // number when a is less, and a positive number otherwise. + function cmp(a, b) { return a.line - b.line || a.ch - b.ch } + + function equalCursorPos(a, b) { return a.sticky == b.sticky && cmp(a, b) == 0 } + + function copyPos(x) {return Pos(x.line, x.ch)} + function maxPos(a, b) { return cmp(a, b) < 0 ? b : a } + function minPos(a, b) { return cmp(a, b) < 0 ? a : b } + + // Most of the external API clips given positions to make sure they + // actually exist within the document. + function clipLine(doc, n) {return Math.max(doc.first, Math.min(n, doc.first + doc.size - 1))} + function clipPos(doc, pos) { + if (pos.line < doc.first) { return Pos(doc.first, 0) } + var last = doc.first + doc.size - 1; + if (pos.line > last) { return Pos(last, getLine(doc, last).text.length) } + return clipToLen(pos, getLine(doc, pos.line).text.length) + } + function clipToLen(pos, linelen) { + var ch = pos.ch; + if (ch == null || ch > linelen) { return Pos(pos.line, linelen) } + else if (ch < 0) { return Pos(pos.line, 0) } + else { return pos } + } + function clipPosArray(doc, array) { + var out = []; + for (var i = 0; i < array.length; i++) { out[i] = clipPos(doc, array[i]); } + return out + } + + var SavedContext = function(state, lookAhead) { + this.state = state; + this.lookAhead = lookAhead; + }; + + var Context = function(doc, state, line, lookAhead) { + this.state = state; + this.doc = doc; + this.line = line; + this.maxLookAhead = lookAhead || 0; + this.baseTokens = null; + this.baseTokenPos = 1; + }; + + Context.prototype.lookAhead = function (n) { + var line = this.doc.getLine(this.line + n); + if (line != null && n > this.maxLookAhead) { this.maxLookAhead = n; } + return line + }; + + Context.prototype.baseToken = function (n) { + if (!this.baseTokens) { return null } + while (this.baseTokens[this.baseTokenPos] <= n) + { this.baseTokenPos += 2; } + var type = this.baseTokens[this.baseTokenPos + 1]; + return {type: type && type.replace(/( |^)overlay .*/, ""), + size: this.baseTokens[this.baseTokenPos] - n} + }; + + Context.prototype.nextLine = function () { + this.line++; + if (this.maxLookAhead > 0) { this.maxLookAhead--; } + }; + + Context.fromSaved = function (doc, saved, line) { + if (saved instanceof SavedContext) + { return new Context(doc, copyState(doc.mode, saved.state), line, saved.lookAhead) } + else + { return new Context(doc, copyState(doc.mode, saved), line) } + }; + + Context.prototype.save = function (copy) { + var state = copy !== false ? copyState(this.doc.mode, this.state) : this.state; + return this.maxLookAhead > 0 ? new SavedContext(state, this.maxLookAhead) : state + }; + + + // Compute a style array (an array starting with a mode generation + // -- for invalidation -- followed by pairs of end positions and + // style strings), which is used to highlight the tokens on the + // line. + function highlightLine(cm, line, context, forceToEnd) { + // A styles array always starts with a number identifying the + // mode/overlays that it is based on (for easy invalidation). + var st = [cm.state.modeGen], lineClasses = {}; + // Compute the base array of styles + runMode(cm, line.text, cm.doc.mode, context, function (end, style) { return st.push(end, style); }, + lineClasses, forceToEnd); + var state = context.state; + + // Run overlays, adjust style array. + var loop = function ( o ) { + context.baseTokens = st; + var overlay = cm.state.overlays[o], i = 1, at = 0; + context.state = true; + runMode(cm, line.text, overlay.mode, context, function (end, style) { + var start = i; + // Ensure there's a token end at the current position, and that i points at it + while (at < end) { + var i_end = st[i]; + if (i_end > end) + { st.splice(i, 1, end, st[i+1], i_end); } + i += 2; + at = Math.min(end, i_end); + } + if (!style) { return } + if (overlay.opaque) { + st.splice(start, i - start, end, "overlay " + style); + i = start + 2; + } else { + for (; start < i; start += 2) { + var cur = st[start+1]; + st[start+1] = (cur ? cur + " " : "") + "overlay " + style; + } + } + }, lineClasses); + context.state = state; + context.baseTokens = null; + context.baseTokenPos = 1; + }; + + for (var o = 0; o < cm.state.overlays.length; ++o) loop( o ); + + return {styles: st, classes: lineClasses.bgClass || lineClasses.textClass ? lineClasses : null} + } + + function getLineStyles(cm, line, updateFrontier) { + if (!line.styles || line.styles[0] != cm.state.modeGen) { + var context = getContextBefore(cm, lineNo(line)); + var resetState = line.text.length > cm.options.maxHighlightLength && copyState(cm.doc.mode, context.state); + var result = highlightLine(cm, line, context); + if (resetState) { context.state = resetState; } + line.stateAfter = context.save(!resetState); + line.styles = result.styles; + if (result.classes) { line.styleClasses = result.classes; } + else if (line.styleClasses) { line.styleClasses = null; } + if (updateFrontier === cm.doc.highlightFrontier) + { cm.doc.modeFrontier = Math.max(cm.doc.modeFrontier, ++cm.doc.highlightFrontier); } + } + return line.styles + } + + function getContextBefore(cm, n, precise) { + var doc = cm.doc, display = cm.display; + if (!doc.mode.startState) { return new Context(doc, true, n) } + var start = findStartLine(cm, n, precise); + var saved = start > doc.first && getLine(doc, start - 1).stateAfter; + var context = saved ? Context.fromSaved(doc, saved, start) : new Context(doc, startState(doc.mode), start); + + doc.iter(start, n, function (line) { + processLine(cm, line.text, context); + var pos = context.line; + line.stateAfter = pos == n - 1 || pos % 5 == 0 || pos >= display.viewFrom && pos < display.viewTo ? context.save() : null; + context.nextLine(); + }); + if (precise) { doc.modeFrontier = context.line; } + return context + } + + // Lightweight form of highlight -- proceed over this line and + // update state, but don't save a style array. Used for lines that + // aren't currently visible. + function processLine(cm, text, context, startAt) { + var mode = cm.doc.mode; + var stream = new StringStream(text, cm.options.tabSize, context); + stream.start = stream.pos = startAt || 0; + if (text == "") { callBlankLine(mode, context.state); } + while (!stream.eol()) { + readToken(mode, stream, context.state); + stream.start = stream.pos; + } + } + + function callBlankLine(mode, state) { + if (mode.blankLine) { return mode.blankLine(state) } + if (!mode.innerMode) { return } + var inner = innerMode(mode, state); + if (inner.mode.blankLine) { return inner.mode.blankLine(inner.state) } + } + + function readToken(mode, stream, state, inner) { + for (var i = 0; i < 10; i++) { + if (inner) { inner[0] = innerMode(mode, state).mode; } + var style = mode.token(stream, state); + if (stream.pos > stream.start) { return style } + } + throw new Error("Mode " + mode.name + " failed to advance stream.") + } + + var Token = function(stream, type, state) { + this.start = stream.start; this.end = stream.pos; + this.string = stream.current(); + this.type = type || null; + this.state = state; + }; + + // Utility for getTokenAt and getLineTokens + function takeToken(cm, pos, precise, asArray) { + var doc = cm.doc, mode = doc.mode, style; + pos = clipPos(doc, pos); + var line = getLine(doc, pos.line), context = getContextBefore(cm, pos.line, precise); + var stream = new StringStream(line.text, cm.options.tabSize, context), tokens; + if (asArray) { tokens = []; } + while ((asArray || stream.pos < pos.ch) && !stream.eol()) { + stream.start = stream.pos; + style = readToken(mode, stream, context.state); + if (asArray) { tokens.push(new Token(stream, style, copyState(doc.mode, context.state))); } + } + return asArray ? tokens : new Token(stream, style, context.state) + } + + function extractLineClasses(type, output) { + if (type) { for (;;) { + var lineClass = type.match(/(?:^|\s+)line-(background-)?(\S+)/); + if (!lineClass) { break } + type = type.slice(0, lineClass.index) + type.slice(lineClass.index + lineClass[0].length); + var prop = lineClass[1] ? "bgClass" : "textClass"; + if (output[prop] == null) + { output[prop] = lineClass[2]; } + else if (!(new RegExp("(?:^|\\s)" + lineClass[2] + "(?:$|\\s)")).test(output[prop])) + { output[prop] += " " + lineClass[2]; } + } } + return type + } + + // Run the given mode's parser over a line, calling f for each token. + function runMode(cm, text, mode, context, f, lineClasses, forceToEnd) { + var flattenSpans = mode.flattenSpans; + if (flattenSpans == null) { flattenSpans = cm.options.flattenSpans; } + var curStart = 0, curStyle = null; + var stream = new StringStream(text, cm.options.tabSize, context), style; + var inner = cm.options.addModeClass && [null]; + if (text == "") { extractLineClasses(callBlankLine(mode, context.state), lineClasses); } + while (!stream.eol()) { + if (stream.pos > cm.options.maxHighlightLength) { + flattenSpans = false; + if (forceToEnd) { processLine(cm, text, context, stream.pos); } + stream.pos = text.length; + style = null; + } else { + style = extractLineClasses(readToken(mode, stream, context.state, inner), lineClasses); + } + if (inner) { + var mName = inner[0].name; + if (mName) { style = "m-" + (style ? mName + " " + style : mName); } + } + if (!flattenSpans || curStyle != style) { + while (curStart < stream.start) { + curStart = Math.min(stream.start, curStart + 5000); + f(curStart, curStyle); + } + curStyle = style; + } + stream.start = stream.pos; + } + while (curStart < stream.pos) { + // Webkit seems to refuse to render text nodes longer than 57444 + // characters, and returns inaccurate measurements in nodes + // starting around 5000 chars. + var pos = Math.min(stream.pos, curStart + 5000); + f(pos, curStyle); + curStart = pos; + } + } + + // Finds the line to start with when starting a parse. Tries to + // find a line with a stateAfter, so that it can start with a + // valid state. If that fails, it returns the line with the + // smallest indentation, which tends to need the least context to + // parse correctly. + function findStartLine(cm, n, precise) { + var minindent, minline, doc = cm.doc; + var lim = precise ? -1 : n - (cm.doc.mode.innerMode ? 1000 : 100); + for (var search = n; search > lim; --search) { + if (search <= doc.first) { return doc.first } + var line = getLine(doc, search - 1), after = line.stateAfter; + if (after && (!precise || search + (after instanceof SavedContext ? after.lookAhead : 0) <= doc.modeFrontier)) + { return search } + var indented = countColumn(line.text, null, cm.options.tabSize); + if (minline == null || minindent > indented) { + minline = search - 1; + minindent = indented; + } + } + return minline + } + + function retreatFrontier(doc, n) { + doc.modeFrontier = Math.min(doc.modeFrontier, n); + if (doc.highlightFrontier < n - 10) { return } + var start = doc.first; + for (var line = n - 1; line > start; line--) { + var saved = getLine(doc, line).stateAfter; + // change is on 3 + // state on line 1 looked ahead 2 -- so saw 3 + // test 1 + 2 < 3 should cover this + if (saved && (!(saved instanceof SavedContext) || line + saved.lookAhead < n)) { + start = line + 1; + break + } + } + doc.highlightFrontier = Math.min(doc.highlightFrontier, start); + } + + // Optimize some code when these features are not used. + var sawReadOnlySpans = false, sawCollapsedSpans = false; + + function seeReadOnlySpans() { + sawReadOnlySpans = true; + } + + function seeCollapsedSpans() { + sawCollapsedSpans = true; + } + + // TEXTMARKER SPANS + + function MarkedSpan(marker, from, to) { + this.marker = marker; + this.from = from; this.to = to; + } + + // Search an array of spans for a span matching the given marker. + function getMarkedSpanFor(spans, marker) { + if (spans) { for (var i = 0; i < spans.length; ++i) { + var span = spans[i]; + if (span.marker == marker) { return span } + } } + } + + // Remove a span from an array, returning undefined if no spans are + // left (we don't store arrays for lines without spans). + function removeMarkedSpan(spans, span) { + var r; + for (var i = 0; i < spans.length; ++i) + { if (spans[i] != span) { (r || (r = [])).push(spans[i]); } } + return r + } + + // Add a span to a line. + function addMarkedSpan(line, span, op) { + var inThisOp = op && window.WeakSet && (op.markedSpans || (op.markedSpans = new WeakSet)); + if (inThisOp && line.markedSpans && inThisOp.has(line.markedSpans)) { + line.markedSpans.push(span); + } else { + line.markedSpans = line.markedSpans ? line.markedSpans.concat([span]) : [span]; + if (inThisOp) { inThisOp.add(line.markedSpans); } + } + span.marker.attachLine(line); + } + + // Used for the algorithm that adjusts markers for a change in the + // document. These functions cut an array of spans at a given + // character position, returning an array of remaining chunks (or + // undefined if nothing remains). + function markedSpansBefore(old, startCh, isInsert) { + var nw; + if (old) { for (var i = 0; i < old.length; ++i) { + var span = old[i], marker = span.marker; + var startsBefore = span.from == null || (marker.inclusiveLeft ? span.from <= startCh : span.from < startCh); + if (startsBefore || span.from == startCh && marker.type == "bookmark" && (!isInsert || !span.marker.insertLeft)) { + var endsAfter = span.to == null || (marker.inclusiveRight ? span.to >= startCh : span.to > startCh) + ;(nw || (nw = [])).push(new MarkedSpan(marker, span.from, endsAfter ? null : span.to)); + } + } } + return nw + } + function markedSpansAfter(old, endCh, isInsert) { + var nw; + if (old) { for (var i = 0; i < old.length; ++i) { + var span = old[i], marker = span.marker; + var endsAfter = span.to == null || (marker.inclusiveRight ? span.to >= endCh : span.to > endCh); + if (endsAfter || span.from == endCh && marker.type == "bookmark" && (!isInsert || span.marker.insertLeft)) { + var startsBefore = span.from == null || (marker.inclusiveLeft ? span.from <= endCh : span.from < endCh) + ;(nw || (nw = [])).push(new MarkedSpan(marker, startsBefore ? null : span.from - endCh, + span.to == null ? null : span.to - endCh)); + } + } } + return nw + } + + // Given a change object, compute the new set of marker spans that + // cover the line in which the change took place. Removes spans + // entirely within the change, reconnects spans belonging to the + // same marker that appear on both sides of the change, and cuts off + // spans partially within the change. Returns an array of span + // arrays with one element for each line in (after) the change. + function stretchSpansOverChange(doc, change) { + if (change.full) { return null } + var oldFirst = isLine(doc, change.from.line) && getLine(doc, change.from.line).markedSpans; + var oldLast = isLine(doc, change.to.line) && getLine(doc, change.to.line).markedSpans; + if (!oldFirst && !oldLast) { return null } + + var startCh = change.from.ch, endCh = change.to.ch, isInsert = cmp(change.from, change.to) == 0; + // Get the spans that 'stick out' on both sides + var first = markedSpansBefore(oldFirst, startCh, isInsert); + var last = markedSpansAfter(oldLast, endCh, isInsert); + + // Next, merge those two ends + var sameLine = change.text.length == 1, offset = lst(change.text).length + (sameLine ? startCh : 0); + if (first) { + // Fix up .to properties of first + for (var i = 0; i < first.length; ++i) { + var span = first[i]; + if (span.to == null) { + var found = getMarkedSpanFor(last, span.marker); + if (!found) { span.to = startCh; } + else if (sameLine) { span.to = found.to == null ? null : found.to + offset; } + } + } + } + if (last) { + // Fix up .from in last (or move them into first in case of sameLine) + for (var i$1 = 0; i$1 < last.length; ++i$1) { + var span$1 = last[i$1]; + if (span$1.to != null) { span$1.to += offset; } + if (span$1.from == null) { + var found$1 = getMarkedSpanFor(first, span$1.marker); + if (!found$1) { + span$1.from = offset; + if (sameLine) { (first || (first = [])).push(span$1); } + } + } else { + span$1.from += offset; + if (sameLine) { (first || (first = [])).push(span$1); } + } + } + } + // Make sure we didn't create any zero-length spans + if (first) { first = clearEmptySpans(first); } + if (last && last != first) { last = clearEmptySpans(last); } + + var newMarkers = [first]; + if (!sameLine) { + // Fill gap with whole-line-spans + var gap = change.text.length - 2, gapMarkers; + if (gap > 0 && first) + { for (var i$2 = 0; i$2 < first.length; ++i$2) + { if (first[i$2].to == null) + { (gapMarkers || (gapMarkers = [])).push(new MarkedSpan(first[i$2].marker, null, null)); } } } + for (var i$3 = 0; i$3 < gap; ++i$3) + { newMarkers.push(gapMarkers); } + newMarkers.push(last); + } + return newMarkers + } + + // Remove spans that are empty and don't have a clearWhenEmpty + // option of false. + function clearEmptySpans(spans) { + for (var i = 0; i < spans.length; ++i) { + var span = spans[i]; + if (span.from != null && span.from == span.to && span.marker.clearWhenEmpty !== false) + { spans.splice(i--, 1); } + } + if (!spans.length) { return null } + return spans + } + + // Used to 'clip' out readOnly ranges when making a change. + function removeReadOnlyRanges(doc, from, to) { + var markers = null; + doc.iter(from.line, to.line + 1, function (line) { + if (line.markedSpans) { for (var i = 0; i < line.markedSpans.length; ++i) { + var mark = line.markedSpans[i].marker; + if (mark.readOnly && (!markers || indexOf(markers, mark) == -1)) + { (markers || (markers = [])).push(mark); } + } } + }); + if (!markers) { return null } + var parts = [{from: from, to: to}]; + for (var i = 0; i < markers.length; ++i) { + var mk = markers[i], m = mk.find(0); + for (var j = 0; j < parts.length; ++j) { + var p = parts[j]; + if (cmp(p.to, m.from) < 0 || cmp(p.from, m.to) > 0) { continue } + var newParts = [j, 1], dfrom = cmp(p.from, m.from), dto = cmp(p.to, m.to); + if (dfrom < 0 || !mk.inclusiveLeft && !dfrom) + { newParts.push({from: p.from, to: m.from}); } + if (dto > 0 || !mk.inclusiveRight && !dto) + { newParts.push({from: m.to, to: p.to}); } + parts.splice.apply(parts, newParts); + j += newParts.length - 3; + } + } + return parts + } + + // Connect or disconnect spans from a line. + function detachMarkedSpans(line) { + var spans = line.markedSpans; + if (!spans) { return } + for (var i = 0; i < spans.length; ++i) + { spans[i].marker.detachLine(line); } + line.markedSpans = null; + } + function attachMarkedSpans(line, spans) { + if (!spans) { return } + for (var i = 0; i < spans.length; ++i) + { spans[i].marker.attachLine(line); } + line.markedSpans = spans; + } + + // Helpers used when computing which overlapping collapsed span + // counts as the larger one. + function extraLeft(marker) { return marker.inclusiveLeft ? -1 : 0 } + function extraRight(marker) { return marker.inclusiveRight ? 1 : 0 } + + // Returns a number indicating which of two overlapping collapsed + // spans is larger (and thus includes the other). Falls back to + // comparing ids when the spans cover exactly the same range. + function compareCollapsedMarkers(a, b) { + var lenDiff = a.lines.length - b.lines.length; + if (lenDiff != 0) { return lenDiff } + var aPos = a.find(), bPos = b.find(); + var fromCmp = cmp(aPos.from, bPos.from) || extraLeft(a) - extraLeft(b); + if (fromCmp) { return -fromCmp } + var toCmp = cmp(aPos.to, bPos.to) || extraRight(a) - extraRight(b); + if (toCmp) { return toCmp } + return b.id - a.id + } + + // Find out whether a line ends or starts in a collapsed span. If + // so, return the marker for that span. + function collapsedSpanAtSide(line, start) { + var sps = sawCollapsedSpans && line.markedSpans, found; + if (sps) { for (var sp = (void 0), i = 0; i < sps.length; ++i) { + sp = sps[i]; + if (sp.marker.collapsed && (start ? sp.from : sp.to) == null && + (!found || compareCollapsedMarkers(found, sp.marker) < 0)) + { found = sp.marker; } + } } + return found + } + function collapsedSpanAtStart(line) { return collapsedSpanAtSide(line, true) } + function collapsedSpanAtEnd(line) { return collapsedSpanAtSide(line, false) } + + function collapsedSpanAround(line, ch) { + var sps = sawCollapsedSpans && line.markedSpans, found; + if (sps) { for (var i = 0; i < sps.length; ++i) { + var sp = sps[i]; + if (sp.marker.collapsed && (sp.from == null || sp.from < ch) && (sp.to == null || sp.to > ch) && + (!found || compareCollapsedMarkers(found, sp.marker) < 0)) { found = sp.marker; } + } } + return found + } + + // Test whether there exists a collapsed span that partially + // overlaps (covers the start or end, but not both) of a new span. + // Such overlap is not allowed. + function conflictingCollapsedRange(doc, lineNo, from, to, marker) { + var line = getLine(doc, lineNo); + var sps = sawCollapsedSpans && line.markedSpans; + if (sps) { for (var i = 0; i < sps.length; ++i) { + var sp = sps[i]; + if (!sp.marker.collapsed) { continue } + var found = sp.marker.find(0); + var fromCmp = cmp(found.from, from) || extraLeft(sp.marker) - extraLeft(marker); + var toCmp = cmp(found.to, to) || extraRight(sp.marker) - extraRight(marker); + if (fromCmp >= 0 && toCmp <= 0 || fromCmp <= 0 && toCmp >= 0) { continue } + if (fromCmp <= 0 && (sp.marker.inclusiveRight && marker.inclusiveLeft ? cmp(found.to, from) >= 0 : cmp(found.to, from) > 0) || + fromCmp >= 0 && (sp.marker.inclusiveRight && marker.inclusiveLeft ? cmp(found.from, to) <= 0 : cmp(found.from, to) < 0)) + { return true } + } } + } + + // A visual line is a line as drawn on the screen. Folding, for + // example, can cause multiple logical lines to appear on the same + // visual line. This finds the start of the visual line that the + // given line is part of (usually that is the line itself). + function visualLine(line) { + var merged; + while (merged = collapsedSpanAtStart(line)) + { line = merged.find(-1, true).line; } + return line + } + + function visualLineEnd(line) { + var merged; + while (merged = collapsedSpanAtEnd(line)) + { line = merged.find(1, true).line; } + return line + } + + // Returns an array of logical lines that continue the visual line + // started by the argument, or undefined if there are no such lines. + function visualLineContinued(line) { + var merged, lines; + while (merged = collapsedSpanAtEnd(line)) { + line = merged.find(1, true).line + ;(lines || (lines = [])).push(line); + } + return lines + } + + // Get the line number of the start of the visual line that the + // given line number is part of. + function visualLineNo(doc, lineN) { + var line = getLine(doc, lineN), vis = visualLine(line); + if (line == vis) { return lineN } + return lineNo(vis) + } + + // Get the line number of the start of the next visual line after + // the given line. + function visualLineEndNo(doc, lineN) { + if (lineN > doc.lastLine()) { return lineN } + var line = getLine(doc, lineN), merged; + if (!lineIsHidden(doc, line)) { return lineN } + while (merged = collapsedSpanAtEnd(line)) + { line = merged.find(1, true).line; } + return lineNo(line) + 1 + } + + // Compute whether a line is hidden. Lines count as hidden when they + // are part of a visual line that starts with another line, or when + // they are entirely covered by collapsed, non-widget span. + function lineIsHidden(doc, line) { + var sps = sawCollapsedSpans && line.markedSpans; + if (sps) { for (var sp = (void 0), i = 0; i < sps.length; ++i) { + sp = sps[i]; + if (!sp.marker.collapsed) { continue } + if (sp.from == null) { return true } + if (sp.marker.widgetNode) { continue } + if (sp.from == 0 && sp.marker.inclusiveLeft && lineIsHiddenInner(doc, line, sp)) + { return true } + } } + } + function lineIsHiddenInner(doc, line, span) { + if (span.to == null) { + var end = span.marker.find(1, true); + return lineIsHiddenInner(doc, end.line, getMarkedSpanFor(end.line.markedSpans, span.marker)) + } + if (span.marker.inclusiveRight && span.to == line.text.length) + { return true } + for (var sp = (void 0), i = 0; i < line.markedSpans.length; ++i) { + sp = line.markedSpans[i]; + if (sp.marker.collapsed && !sp.marker.widgetNode && sp.from == span.to && + (sp.to == null || sp.to != span.from) && + (sp.marker.inclusiveLeft || span.marker.inclusiveRight) && + lineIsHiddenInner(doc, line, sp)) { return true } + } + } + + // Find the height above the given line. + function heightAtLine(lineObj) { + lineObj = visualLine(lineObj); + + var h = 0, chunk = lineObj.parent; + for (var i = 0; i < chunk.lines.length; ++i) { + var line = chunk.lines[i]; + if (line == lineObj) { break } + else { h += line.height; } + } + for (var p = chunk.parent; p; chunk = p, p = chunk.parent) { + for (var i$1 = 0; i$1 < p.children.length; ++i$1) { + var cur = p.children[i$1]; + if (cur == chunk) { break } + else { h += cur.height; } + } + } + return h + } + + // Compute the character length of a line, taking into account + // collapsed ranges (see markText) that might hide parts, and join + // other lines onto it. + function lineLength(line) { + if (line.height == 0) { return 0 } + var len = line.text.length, merged, cur = line; + while (merged = collapsedSpanAtStart(cur)) { + var found = merged.find(0, true); + cur = found.from.line; + len += found.from.ch - found.to.ch; + } + cur = line; + while (merged = collapsedSpanAtEnd(cur)) { + var found$1 = merged.find(0, true); + len -= cur.text.length - found$1.from.ch; + cur = found$1.to.line; + len += cur.text.length - found$1.to.ch; + } + return len + } + + // Find the longest line in the document. + function findMaxLine(cm) { + var d = cm.display, doc = cm.doc; + d.maxLine = getLine(doc, doc.first); + d.maxLineLength = lineLength(d.maxLine); + d.maxLineChanged = true; + doc.iter(function (line) { + var len = lineLength(line); + if (len > d.maxLineLength) { + d.maxLineLength = len; + d.maxLine = line; + } + }); + } + + // LINE DATA STRUCTURE + + // Line objects. These hold state related to a line, including + // highlighting info (the styles array). + var Line = function(text, markedSpans, estimateHeight) { + this.text = text; + attachMarkedSpans(this, markedSpans); + this.height = estimateHeight ? estimateHeight(this) : 1; + }; + + Line.prototype.lineNo = function () { return lineNo(this) }; + eventMixin(Line); + + // Change the content (text, markers) of a line. Automatically + // invalidates cached information and tries to re-estimate the + // line's height. + function updateLine(line, text, markedSpans, estimateHeight) { + line.text = text; + if (line.stateAfter) { line.stateAfter = null; } + if (line.styles) { line.styles = null; } + if (line.order != null) { line.order = null; } + detachMarkedSpans(line); + attachMarkedSpans(line, markedSpans); + var estHeight = estimateHeight ? estimateHeight(line) : 1; + if (estHeight != line.height) { updateLineHeight(line, estHeight); } + } + + // Detach a line from the document tree and its markers. + function cleanUpLine(line) { + line.parent = null; + detachMarkedSpans(line); + } + + // Convert a style as returned by a mode (either null, or a string + // containing one or more styles) to a CSS style. This is cached, + // and also looks for line-wide styles. + var styleToClassCache = {}, styleToClassCacheWithMode = {}; + function interpretTokenStyle(style, options) { + if (!style || /^\s*$/.test(style)) { return null } + var cache = options.addModeClass ? styleToClassCacheWithMode : styleToClassCache; + return cache[style] || + (cache[style] = style.replace(/\S+/g, "cm-$&")) + } + + // Render the DOM representation of the text of a line. Also builds + // up a 'line map', which points at the DOM nodes that represent + // specific stretches of text, and is used by the measuring code. + // The returned object contains the DOM node, this map, and + // information about line-wide styles that were set by the mode. + function buildLineContent(cm, lineView) { + // The padding-right forces the element to have a 'border', which + // is needed on Webkit to be able to get line-level bounding + // rectangles for it (in measureChar). + var content = eltP("span", null, null, webkit ? "padding-right: .1px" : null); + var builder = {pre: eltP("pre", [content], "CodeMirror-line"), content: content, + col: 0, pos: 0, cm: cm, + trailingSpace: false, + splitSpaces: cm.getOption("lineWrapping")}; + lineView.measure = {}; + + // Iterate over the logical lines that make up this visual line. + for (var i = 0; i <= (lineView.rest ? lineView.rest.length : 0); i++) { + var line = i ? lineView.rest[i - 1] : lineView.line, order = (void 0); + builder.pos = 0; + builder.addToken = buildToken; + // Optionally wire in some hacks into the token-rendering + // algorithm, to deal with browser quirks. + if (hasBadBidiRects(cm.display.measure) && (order = getOrder(line, cm.doc.direction))) + { builder.addToken = buildTokenBadBidi(builder.addToken, order); } + builder.map = []; + var allowFrontierUpdate = lineView != cm.display.externalMeasured && lineNo(line); + insertLineContent(line, builder, getLineStyles(cm, line, allowFrontierUpdate)); + if (line.styleClasses) { + if (line.styleClasses.bgClass) + { builder.bgClass = joinClasses(line.styleClasses.bgClass, builder.bgClass || ""); } + if (line.styleClasses.textClass) + { builder.textClass = joinClasses(line.styleClasses.textClass, builder.textClass || ""); } + } + + // Ensure at least a single node is present, for measuring. + if (builder.map.length == 0) + { builder.map.push(0, 0, builder.content.appendChild(zeroWidthElement(cm.display.measure))); } + + // Store the map and a cache object for the current logical line + if (i == 0) { + lineView.measure.map = builder.map; + lineView.measure.cache = {}; + } else { + (lineView.measure.maps || (lineView.measure.maps = [])).push(builder.map) + ;(lineView.measure.caches || (lineView.measure.caches = [])).push({}); + } + } + + // See issue #2901 + if (webkit) { + var last = builder.content.lastChild; + if (/\bcm-tab\b/.test(last.className) || (last.querySelector && last.querySelector(".cm-tab"))) + { builder.content.className = "cm-tab-wrap-hack"; } + } + + signal(cm, "renderLine", cm, lineView.line, builder.pre); + if (builder.pre.className) + { builder.textClass = joinClasses(builder.pre.className, builder.textClass || ""); } + + return builder + } + + function defaultSpecialCharPlaceholder(ch) { + var token = elt("span", "\u2022", "cm-invalidchar"); + token.title = "\\u" + ch.charCodeAt(0).toString(16); + token.setAttribute("aria-label", token.title); + return token + } + + // Build up the DOM representation for a single token, and add it to + // the line map. Takes care to render special characters separately. + function buildToken(builder, text, style, startStyle, endStyle, css, attributes) { + if (!text) { return } + var displayText = builder.splitSpaces ? splitSpaces(text, builder.trailingSpace) : text; + var special = builder.cm.state.specialChars, mustWrap = false; + var content; + if (!special.test(text)) { + builder.col += text.length; + content = document.createTextNode(displayText); + builder.map.push(builder.pos, builder.pos + text.length, content); + if (ie && ie_version < 9) { mustWrap = true; } + builder.pos += text.length; + } else { + content = document.createDocumentFragment(); + var pos = 0; + while (true) { + special.lastIndex = pos; + var m = special.exec(text); + var skipped = m ? m.index - pos : text.length - pos; + if (skipped) { + var txt = document.createTextNode(displayText.slice(pos, pos + skipped)); + if (ie && ie_version < 9) { content.appendChild(elt("span", [txt])); } + else { content.appendChild(txt); } + builder.map.push(builder.pos, builder.pos + skipped, txt); + builder.col += skipped; + builder.pos += skipped; + } + if (!m) { break } + pos += skipped + 1; + var txt$1 = (void 0); + if (m[0] == "\t") { + var tabSize = builder.cm.options.tabSize, tabWidth = tabSize - builder.col % tabSize; + txt$1 = content.appendChild(elt("span", spaceStr(tabWidth), "cm-tab")); + txt$1.setAttribute("role", "presentation"); + txt$1.setAttribute("cm-text", "\t"); + builder.col += tabWidth; + } else if (m[0] == "\r" || m[0] == "\n") { + txt$1 = content.appendChild(elt("span", m[0] == "\r" ? "\u240d" : "\u2424", "cm-invalidchar")); + txt$1.setAttribute("cm-text", m[0]); + builder.col += 1; + } else { + txt$1 = builder.cm.options.specialCharPlaceholder(m[0]); + txt$1.setAttribute("cm-text", m[0]); + if (ie && ie_version < 9) { content.appendChild(elt("span", [txt$1])); } + else { content.appendChild(txt$1); } + builder.col += 1; + } + builder.map.push(builder.pos, builder.pos + 1, txt$1); + builder.pos++; + } + } + builder.trailingSpace = displayText.charCodeAt(text.length - 1) == 32; + if (style || startStyle || endStyle || mustWrap || css || attributes) { + var fullStyle = style || ""; + if (startStyle) { fullStyle += startStyle; } + if (endStyle) { fullStyle += endStyle; } + var token = elt("span", [content], fullStyle, css); + if (attributes) { + for (var attr in attributes) { if (attributes.hasOwnProperty(attr) && attr != "style" && attr != "class") + { token.setAttribute(attr, attributes[attr]); } } + } + return builder.content.appendChild(token) + } + builder.content.appendChild(content); + } + + // Change some spaces to NBSP to prevent the browser from collapsing + // trailing spaces at the end of a line when rendering text (issue #1362). + function splitSpaces(text, trailingBefore) { + if (text.length > 1 && !/ /.test(text)) { return text } + var spaceBefore = trailingBefore, result = ""; + for (var i = 0; i < text.length; i++) { + var ch = text.charAt(i); + if (ch == " " && spaceBefore && (i == text.length - 1 || text.charCodeAt(i + 1) == 32)) + { ch = "\u00a0"; } + result += ch; + spaceBefore = ch == " "; + } + return result + } + + // Work around nonsense dimensions being reported for stretches of + // right-to-left text. + function buildTokenBadBidi(inner, order) { + return function (builder, text, style, startStyle, endStyle, css, attributes) { + style = style ? style + " cm-force-border" : "cm-force-border"; + var start = builder.pos, end = start + text.length; + for (;;) { + // Find the part that overlaps with the start of this text + var part = (void 0); + for (var i = 0; i < order.length; i++) { + part = order[i]; + if (part.to > start && part.from <= start) { break } + } + if (part.to >= end) { return inner(builder, text, style, startStyle, endStyle, css, attributes) } + inner(builder, text.slice(0, part.to - start), style, startStyle, null, css, attributes); + startStyle = null; + text = text.slice(part.to - start); + start = part.to; + } + } + } + + function buildCollapsedSpan(builder, size, marker, ignoreWidget) { + var widget = !ignoreWidget && marker.widgetNode; + if (widget) { builder.map.push(builder.pos, builder.pos + size, widget); } + if (!ignoreWidget && builder.cm.display.input.needsContentAttribute) { + if (!widget) + { widget = builder.content.appendChild(document.createElement("span")); } + widget.setAttribute("cm-marker", marker.id); + } + if (widget) { + builder.cm.display.input.setUneditable(widget); + builder.content.appendChild(widget); + } + builder.pos += size; + builder.trailingSpace = false; + } + + // Outputs a number of spans to make up a line, taking highlighting + // and marked text into account. + function insertLineContent(line, builder, styles) { + var spans = line.markedSpans, allText = line.text, at = 0; + if (!spans) { + for (var i$1 = 1; i$1 < styles.length; i$1+=2) + { builder.addToken(builder, allText.slice(at, at = styles[i$1]), interpretTokenStyle(styles[i$1+1], builder.cm.options)); } + return + } + + var len = allText.length, pos = 0, i = 1, text = "", style, css; + var nextChange = 0, spanStyle, spanEndStyle, spanStartStyle, collapsed, attributes; + for (;;) { + if (nextChange == pos) { // Update current marker set + spanStyle = spanEndStyle = spanStartStyle = css = ""; + attributes = null; + collapsed = null; nextChange = Infinity; + var foundBookmarks = [], endStyles = (void 0); + for (var j = 0; j < spans.length; ++j) { + var sp = spans[j], m = sp.marker; + if (m.type == "bookmark" && sp.from == pos && m.widgetNode) { + foundBookmarks.push(m); + } else if (sp.from <= pos && (sp.to == null || sp.to > pos || m.collapsed && sp.to == pos && sp.from == pos)) { + if (sp.to != null && sp.to != pos && nextChange > sp.to) { + nextChange = sp.to; + spanEndStyle = ""; + } + if (m.className) { spanStyle += " " + m.className; } + if (m.css) { css = (css ? css + ";" : "") + m.css; } + if (m.startStyle && sp.from == pos) { spanStartStyle += " " + m.startStyle; } + if (m.endStyle && sp.to == nextChange) { (endStyles || (endStyles = [])).push(m.endStyle, sp.to); } + // support for the old title property + // https://github.com/codemirror/CodeMirror/pull/5673 + if (m.title) { (attributes || (attributes = {})).title = m.title; } + if (m.attributes) { + for (var attr in m.attributes) + { (attributes || (attributes = {}))[attr] = m.attributes[attr]; } + } + if (m.collapsed && (!collapsed || compareCollapsedMarkers(collapsed.marker, m) < 0)) + { collapsed = sp; } + } else if (sp.from > pos && nextChange > sp.from) { + nextChange = sp.from; + } + } + if (endStyles) { for (var j$1 = 0; j$1 < endStyles.length; j$1 += 2) + { if (endStyles[j$1 + 1] == nextChange) { spanEndStyle += " " + endStyles[j$1]; } } } + + if (!collapsed || collapsed.from == pos) { for (var j$2 = 0; j$2 < foundBookmarks.length; ++j$2) + { buildCollapsedSpan(builder, 0, foundBookmarks[j$2]); } } + if (collapsed && (collapsed.from || 0) == pos) { + buildCollapsedSpan(builder, (collapsed.to == null ? len + 1 : collapsed.to) - pos, + collapsed.marker, collapsed.from == null); + if (collapsed.to == null) { return } + if (collapsed.to == pos) { collapsed = false; } + } + } + if (pos >= len) { break } + + var upto = Math.min(len, nextChange); + while (true) { + if (text) { + var end = pos + text.length; + if (!collapsed) { + var tokenText = end > upto ? text.slice(0, upto - pos) : text; + builder.addToken(builder, tokenText, style ? style + spanStyle : spanStyle, + spanStartStyle, pos + tokenText.length == nextChange ? spanEndStyle : "", css, attributes); + } + if (end >= upto) {text = text.slice(upto - pos); pos = upto; break} + pos = end; + spanStartStyle = ""; + } + text = allText.slice(at, at = styles[i++]); + style = interpretTokenStyle(styles[i++], builder.cm.options); + } + } + } + + + // These objects are used to represent the visible (currently drawn) + // part of the document. A LineView may correspond to multiple + // logical lines, if those are connected by collapsed ranges. + function LineView(doc, line, lineN) { + // The starting line + this.line = line; + // Continuing lines, if any + this.rest = visualLineContinued(line); + // Number of logical lines in this visual line + this.size = this.rest ? lineNo(lst(this.rest)) - lineN + 1 : 1; + this.node = this.text = null; + this.hidden = lineIsHidden(doc, line); + } + + // Create a range of LineView objects for the given lines. + function buildViewArray(cm, from, to) { + var array = [], nextPos; + for (var pos = from; pos < to; pos = nextPos) { + var view = new LineView(cm.doc, getLine(cm.doc, pos), pos); + nextPos = pos + view.size; + array.push(view); + } + return array + } + + var operationGroup = null; + + function pushOperation(op) { + if (operationGroup) { + operationGroup.ops.push(op); + } else { + op.ownsGroup = operationGroup = { + ops: [op], + delayedCallbacks: [] + }; + } + } + + function fireCallbacksForOps(group) { + // Calls delayed callbacks and cursorActivity handlers until no + // new ones appear + var callbacks = group.delayedCallbacks, i = 0; + do { + for (; i < callbacks.length; i++) + { callbacks[i].call(null); } + for (var j = 0; j < group.ops.length; j++) { + var op = group.ops[j]; + if (op.cursorActivityHandlers) + { while (op.cursorActivityCalled < op.cursorActivityHandlers.length) + { op.cursorActivityHandlers[op.cursorActivityCalled++].call(null, op.cm); } } + } + } while (i < callbacks.length) + } + + function finishOperation(op, endCb) { + var group = op.ownsGroup; + if (!group) { return } + + try { fireCallbacksForOps(group); } + finally { + operationGroup = null; + endCb(group); + } + } + + var orphanDelayedCallbacks = null; + + // Often, we want to signal events at a point where we are in the + // middle of some work, but don't want the handler to start calling + // other methods on the editor, which might be in an inconsistent + // state or simply not expect any other events to happen. + // signalLater looks whether there are any handlers, and schedules + // them to be executed when the last operation ends, or, if no + // operation is active, when a timeout fires. + function signalLater(emitter, type /*, values...*/) { + var arr = getHandlers(emitter, type); + if (!arr.length) { return } + var args = Array.prototype.slice.call(arguments, 2), list; + if (operationGroup) { + list = operationGroup.delayedCallbacks; + } else if (orphanDelayedCallbacks) { + list = orphanDelayedCallbacks; + } else { + list = orphanDelayedCallbacks = []; + setTimeout(fireOrphanDelayed, 0); + } + var loop = function ( i ) { + list.push(function () { return arr[i].apply(null, args); }); + }; + + for (var i = 0; i < arr.length; ++i) + loop( i ); + } + + function fireOrphanDelayed() { + var delayed = orphanDelayedCallbacks; + orphanDelayedCallbacks = null; + for (var i = 0; i < delayed.length; ++i) { delayed[i](); } + } + + // When an aspect of a line changes, a string is added to + // lineView.changes. This updates the relevant part of the line's + // DOM structure. + function updateLineForChanges(cm, lineView, lineN, dims) { + for (var j = 0; j < lineView.changes.length; j++) { + var type = lineView.changes[j]; + if (type == "text") { updateLineText(cm, lineView); } + else if (type == "gutter") { updateLineGutter(cm, lineView, lineN, dims); } + else if (type == "class") { updateLineClasses(cm, lineView); } + else if (type == "widget") { updateLineWidgets(cm, lineView, dims); } + } + lineView.changes = null; + } + + // Lines with gutter elements, widgets or a background class need to + // be wrapped, and have the extra elements added to the wrapper div + function ensureLineWrapped(lineView) { + if (lineView.node == lineView.text) { + lineView.node = elt("div", null, null, "position: relative"); + if (lineView.text.parentNode) + { lineView.text.parentNode.replaceChild(lineView.node, lineView.text); } + lineView.node.appendChild(lineView.text); + if (ie && ie_version < 8) { lineView.node.style.zIndex = 2; } + } + return lineView.node + } + + function updateLineBackground(cm, lineView) { + var cls = lineView.bgClass ? lineView.bgClass + " " + (lineView.line.bgClass || "") : lineView.line.bgClass; + if (cls) { cls += " CodeMirror-linebackground"; } + if (lineView.background) { + if (cls) { lineView.background.className = cls; } + else { lineView.background.parentNode.removeChild(lineView.background); lineView.background = null; } + } else if (cls) { + var wrap = ensureLineWrapped(lineView); + lineView.background = wrap.insertBefore(elt("div", null, cls), wrap.firstChild); + cm.display.input.setUneditable(lineView.background); + } + } + + // Wrapper around buildLineContent which will reuse the structure + // in display.externalMeasured when possible. + function getLineContent(cm, lineView) { + var ext = cm.display.externalMeasured; + if (ext && ext.line == lineView.line) { + cm.display.externalMeasured = null; + lineView.measure = ext.measure; + return ext.built + } + return buildLineContent(cm, lineView) + } + + // Redraw the line's text. Interacts with the background and text + // classes because the mode may output tokens that influence these + // classes. + function updateLineText(cm, lineView) { + var cls = lineView.text.className; + var built = getLineContent(cm, lineView); + if (lineView.text == lineView.node) { lineView.node = built.pre; } + lineView.text.parentNode.replaceChild(built.pre, lineView.text); + lineView.text = built.pre; + if (built.bgClass != lineView.bgClass || built.textClass != lineView.textClass) { + lineView.bgClass = built.bgClass; + lineView.textClass = built.textClass; + updateLineClasses(cm, lineView); + } else if (cls) { + lineView.text.className = cls; + } + } + + function updateLineClasses(cm, lineView) { + updateLineBackground(cm, lineView); + if (lineView.line.wrapClass) + { ensureLineWrapped(lineView).className = lineView.line.wrapClass; } + else if (lineView.node != lineView.text) + { lineView.node.className = ""; } + var textClass = lineView.textClass ? lineView.textClass + " " + (lineView.line.textClass || "") : lineView.line.textClass; + lineView.text.className = textClass || ""; + } + + function updateLineGutter(cm, lineView, lineN, dims) { + if (lineView.gutter) { + lineView.node.removeChild(lineView.gutter); + lineView.gutter = null; + } + if (lineView.gutterBackground) { + lineView.node.removeChild(lineView.gutterBackground); + lineView.gutterBackground = null; + } + if (lineView.line.gutterClass) { + var wrap = ensureLineWrapped(lineView); + lineView.gutterBackground = elt("div", null, "CodeMirror-gutter-background " + lineView.line.gutterClass, + ("left: " + (cm.options.fixedGutter ? dims.fixedPos : -dims.gutterTotalWidth) + "px; width: " + (dims.gutterTotalWidth) + "px")); + cm.display.input.setUneditable(lineView.gutterBackground); + wrap.insertBefore(lineView.gutterBackground, lineView.text); + } + var markers = lineView.line.gutterMarkers; + if (cm.options.lineNumbers || markers) { + var wrap$1 = ensureLineWrapped(lineView); + var gutterWrap = lineView.gutter = elt("div", null, "CodeMirror-gutter-wrapper", ("left: " + (cm.options.fixedGutter ? dims.fixedPos : -dims.gutterTotalWidth) + "px")); + gutterWrap.setAttribute("aria-hidden", "true"); + cm.display.input.setUneditable(gutterWrap); + wrap$1.insertBefore(gutterWrap, lineView.text); + if (lineView.line.gutterClass) + { gutterWrap.className += " " + lineView.line.gutterClass; } + if (cm.options.lineNumbers && (!markers || !markers["CodeMirror-linenumbers"])) + { lineView.lineNumber = gutterWrap.appendChild( + elt("div", lineNumberFor(cm.options, lineN), + "CodeMirror-linenumber CodeMirror-gutter-elt", + ("left: " + (dims.gutterLeft["CodeMirror-linenumbers"]) + "px; width: " + (cm.display.lineNumInnerWidth) + "px"))); } + if (markers) { for (var k = 0; k < cm.display.gutterSpecs.length; ++k) { + var id = cm.display.gutterSpecs[k].className, found = markers.hasOwnProperty(id) && markers[id]; + if (found) + { gutterWrap.appendChild(elt("div", [found], "CodeMirror-gutter-elt", + ("left: " + (dims.gutterLeft[id]) + "px; width: " + (dims.gutterWidth[id]) + "px"))); } + } } + } + } + + function updateLineWidgets(cm, lineView, dims) { + if (lineView.alignable) { lineView.alignable = null; } + var isWidget = classTest("CodeMirror-linewidget"); + for (var node = lineView.node.firstChild, next = (void 0); node; node = next) { + next = node.nextSibling; + if (isWidget.test(node.className)) { lineView.node.removeChild(node); } + } + insertLineWidgets(cm, lineView, dims); + } + + // Build a line's DOM representation from scratch + function buildLineElement(cm, lineView, lineN, dims) { + var built = getLineContent(cm, lineView); + lineView.text = lineView.node = built.pre; + if (built.bgClass) { lineView.bgClass = built.bgClass; } + if (built.textClass) { lineView.textClass = built.textClass; } + + updateLineClasses(cm, lineView); + updateLineGutter(cm, lineView, lineN, dims); + insertLineWidgets(cm, lineView, dims); + return lineView.node + } + + // A lineView may contain multiple logical lines (when merged by + // collapsed spans). The widgets for all of them need to be drawn. + function insertLineWidgets(cm, lineView, dims) { + insertLineWidgetsFor(cm, lineView.line, lineView, dims, true); + if (lineView.rest) { for (var i = 0; i < lineView.rest.length; i++) + { insertLineWidgetsFor(cm, lineView.rest[i], lineView, dims, false); } } + } + + function insertLineWidgetsFor(cm, line, lineView, dims, allowAbove) { + if (!line.widgets) { return } + var wrap = ensureLineWrapped(lineView); + for (var i = 0, ws = line.widgets; i < ws.length; ++i) { + var widget = ws[i], node = elt("div", [widget.node], "CodeMirror-linewidget" + (widget.className ? " " + widget.className : "")); + if (!widget.handleMouseEvents) { node.setAttribute("cm-ignore-events", "true"); } + positionLineWidget(widget, node, lineView, dims); + cm.display.input.setUneditable(node); + if (allowAbove && widget.above) + { wrap.insertBefore(node, lineView.gutter || lineView.text); } + else + { wrap.appendChild(node); } + signalLater(widget, "redraw"); + } + } + + function positionLineWidget(widget, node, lineView, dims) { + if (widget.noHScroll) { + (lineView.alignable || (lineView.alignable = [])).push(node); + var width = dims.wrapperWidth; + node.style.left = dims.fixedPos + "px"; + if (!widget.coverGutter) { + width -= dims.gutterTotalWidth; + node.style.paddingLeft = dims.gutterTotalWidth + "px"; + } + node.style.width = width + "px"; + } + if (widget.coverGutter) { + node.style.zIndex = 5; + node.style.position = "relative"; + if (!widget.noHScroll) { node.style.marginLeft = -dims.gutterTotalWidth + "px"; } + } + } + + function widgetHeight(widget) { + if (widget.height != null) { return widget.height } + var cm = widget.doc.cm; + if (!cm) { return 0 } + if (!contains(document.body, widget.node)) { + var parentStyle = "position: relative;"; + if (widget.coverGutter) + { parentStyle += "margin-left: -" + cm.display.gutters.offsetWidth + "px;"; } + if (widget.noHScroll) + { parentStyle += "width: " + cm.display.wrapper.clientWidth + "px;"; } + removeChildrenAndAdd(cm.display.measure, elt("div", [widget.node], null, parentStyle)); + } + return widget.height = widget.node.parentNode.offsetHeight + } + + // Return true when the given mouse event happened in a widget + function eventInWidget(display, e) { + for (var n = e_target(e); n != display.wrapper; n = n.parentNode) { + if (!n || (n.nodeType == 1 && n.getAttribute("cm-ignore-events") == "true") || + (n.parentNode == display.sizer && n != display.mover)) + { return true } + } + } + + // POSITION MEASUREMENT + + function paddingTop(display) {return display.lineSpace.offsetTop} + function paddingVert(display) {return display.mover.offsetHeight - display.lineSpace.offsetHeight} + function paddingH(display) { + if (display.cachedPaddingH) { return display.cachedPaddingH } + var e = removeChildrenAndAdd(display.measure, elt("pre", "x", "CodeMirror-line-like")); + var style = window.getComputedStyle ? window.getComputedStyle(e) : e.currentStyle; + var data = {left: parseInt(style.paddingLeft), right: parseInt(style.paddingRight)}; + if (!isNaN(data.left) && !isNaN(data.right)) { display.cachedPaddingH = data; } + return data + } + + function scrollGap(cm) { return scrollerGap - cm.display.nativeBarWidth } + function displayWidth(cm) { + return cm.display.scroller.clientWidth - scrollGap(cm) - cm.display.barWidth + } + function displayHeight(cm) { + return cm.display.scroller.clientHeight - scrollGap(cm) - cm.display.barHeight + } + + // Ensure the lineView.wrapping.heights array is populated. This is + // an array of bottom offsets for the lines that make up a drawn + // line. When lineWrapping is on, there might be more than one + // height. + function ensureLineHeights(cm, lineView, rect) { + var wrapping = cm.options.lineWrapping; + var curWidth = wrapping && displayWidth(cm); + if (!lineView.measure.heights || wrapping && lineView.measure.width != curWidth) { + var heights = lineView.measure.heights = []; + if (wrapping) { + lineView.measure.width = curWidth; + var rects = lineView.text.firstChild.getClientRects(); + for (var i = 0; i < rects.length - 1; i++) { + var cur = rects[i], next = rects[i + 1]; + if (Math.abs(cur.bottom - next.bottom) > 2) + { heights.push((cur.bottom + next.top) / 2 - rect.top); } + } + } + heights.push(rect.bottom - rect.top); + } + } + + // Find a line map (mapping character offsets to text nodes) and a + // measurement cache for the given line number. (A line view might + // contain multiple lines when collapsed ranges are present.) + function mapFromLineView(lineView, line, lineN) { + if (lineView.line == line) + { return {map: lineView.measure.map, cache: lineView.measure.cache} } + if (lineView.rest) { + for (var i = 0; i < lineView.rest.length; i++) + { if (lineView.rest[i] == line) + { return {map: lineView.measure.maps[i], cache: lineView.measure.caches[i]} } } + for (var i$1 = 0; i$1 < lineView.rest.length; i$1++) + { if (lineNo(lineView.rest[i$1]) > lineN) + { return {map: lineView.measure.maps[i$1], cache: lineView.measure.caches[i$1], before: true} } } + } + } + + // Render a line into the hidden node display.externalMeasured. Used + // when measurement is needed for a line that's not in the viewport. + function updateExternalMeasurement(cm, line) { + line = visualLine(line); + var lineN = lineNo(line); + var view = cm.display.externalMeasured = new LineView(cm.doc, line, lineN); + view.lineN = lineN; + var built = view.built = buildLineContent(cm, view); + view.text = built.pre; + removeChildrenAndAdd(cm.display.lineMeasure, built.pre); + return view + } + + // Get a {top, bottom, left, right} box (in line-local coordinates) + // for a given character. + function measureChar(cm, line, ch, bias) { + return measureCharPrepared(cm, prepareMeasureForLine(cm, line), ch, bias) + } + + // Find a line view that corresponds to the given line number. + function findViewForLine(cm, lineN) { + if (lineN >= cm.display.viewFrom && lineN < cm.display.viewTo) + { return cm.display.view[findViewIndex(cm, lineN)] } + var ext = cm.display.externalMeasured; + if (ext && lineN >= ext.lineN && lineN < ext.lineN + ext.size) + { return ext } + } + + // Measurement can be split in two steps, the set-up work that + // applies to the whole line, and the measurement of the actual + // character. Functions like coordsChar, that need to do a lot of + // measurements in a row, can thus ensure that the set-up work is + // only done once. + function prepareMeasureForLine(cm, line) { + var lineN = lineNo(line); + var view = findViewForLine(cm, lineN); + if (view && !view.text) { + view = null; + } else if (view && view.changes) { + updateLineForChanges(cm, view, lineN, getDimensions(cm)); + cm.curOp.forceUpdate = true; + } + if (!view) + { view = updateExternalMeasurement(cm, line); } + + var info = mapFromLineView(view, line, lineN); + return { + line: line, view: view, rect: null, + map: info.map, cache: info.cache, before: info.before, + hasHeights: false + } + } + + // Given a prepared measurement object, measures the position of an + // actual character (or fetches it from the cache). + function measureCharPrepared(cm, prepared, ch, bias, varHeight) { + if (prepared.before) { ch = -1; } + var key = ch + (bias || ""), found; + if (prepared.cache.hasOwnProperty(key)) { + found = prepared.cache[key]; + } else { + if (!prepared.rect) + { prepared.rect = prepared.view.text.getBoundingClientRect(); } + if (!prepared.hasHeights) { + ensureLineHeights(cm, prepared.view, prepared.rect); + prepared.hasHeights = true; + } + found = measureCharInner(cm, prepared, ch, bias); + if (!found.bogus) { prepared.cache[key] = found; } + } + return {left: found.left, right: found.right, + top: varHeight ? found.rtop : found.top, + bottom: varHeight ? found.rbottom : found.bottom} + } + + var nullRect = {left: 0, right: 0, top: 0, bottom: 0}; + + function nodeAndOffsetInLineMap(map, ch, bias) { + var node, start, end, collapse, mStart, mEnd; + // First, search the line map for the text node corresponding to, + // or closest to, the target character. + for (var i = 0; i < map.length; i += 3) { + mStart = map[i]; + mEnd = map[i + 1]; + if (ch < mStart) { + start = 0; end = 1; + collapse = "left"; + } else if (ch < mEnd) { + start = ch - mStart; + end = start + 1; + } else if (i == map.length - 3 || ch == mEnd && map[i + 3] > ch) { + end = mEnd - mStart; + start = end - 1; + if (ch >= mEnd) { collapse = "right"; } + } + if (start != null) { + node = map[i + 2]; + if (mStart == mEnd && bias == (node.insertLeft ? "left" : "right")) + { collapse = bias; } + if (bias == "left" && start == 0) + { while (i && map[i - 2] == map[i - 3] && map[i - 1].insertLeft) { + node = map[(i -= 3) + 2]; + collapse = "left"; + } } + if (bias == "right" && start == mEnd - mStart) + { while (i < map.length - 3 && map[i + 3] == map[i + 4] && !map[i + 5].insertLeft) { + node = map[(i += 3) + 2]; + collapse = "right"; + } } + break + } + } + return {node: node, start: start, end: end, collapse: collapse, coverStart: mStart, coverEnd: mEnd} + } + + function getUsefulRect(rects, bias) { + var rect = nullRect; + if (bias == "left") { for (var i = 0; i < rects.length; i++) { + if ((rect = rects[i]).left != rect.right) { break } + } } else { for (var i$1 = rects.length - 1; i$1 >= 0; i$1--) { + if ((rect = rects[i$1]).left != rect.right) { break } + } } + return rect + } + + function measureCharInner(cm, prepared, ch, bias) { + var place = nodeAndOffsetInLineMap(prepared.map, ch, bias); + var node = place.node, start = place.start, end = place.end, collapse = place.collapse; + + var rect; + if (node.nodeType == 3) { // If it is a text node, use a range to retrieve the coordinates. + for (var i$1 = 0; i$1 < 4; i$1++) { // Retry a maximum of 4 times when nonsense rectangles are returned + while (start && isExtendingChar(prepared.line.text.charAt(place.coverStart + start))) { --start; } + while (place.coverStart + end < place.coverEnd && isExtendingChar(prepared.line.text.charAt(place.coverStart + end))) { ++end; } + if (ie && ie_version < 9 && start == 0 && end == place.coverEnd - place.coverStart) + { rect = node.parentNode.getBoundingClientRect(); } + else + { rect = getUsefulRect(range(node, start, end).getClientRects(), bias); } + if (rect.left || rect.right || start == 0) { break } + end = start; + start = start - 1; + collapse = "right"; + } + if (ie && ie_version < 11) { rect = maybeUpdateRectForZooming(cm.display.measure, rect); } + } else { // If it is a widget, simply get the box for the whole widget. + if (start > 0) { collapse = bias = "right"; } + var rects; + if (cm.options.lineWrapping && (rects = node.getClientRects()).length > 1) + { rect = rects[bias == "right" ? rects.length - 1 : 0]; } + else + { rect = node.getBoundingClientRect(); } + } + if (ie && ie_version < 9 && !start && (!rect || !rect.left && !rect.right)) { + var rSpan = node.parentNode.getClientRects()[0]; + if (rSpan) + { rect = {left: rSpan.left, right: rSpan.left + charWidth(cm.display), top: rSpan.top, bottom: rSpan.bottom}; } + else + { rect = nullRect; } + } + + var rtop = rect.top - prepared.rect.top, rbot = rect.bottom - prepared.rect.top; + var mid = (rtop + rbot) / 2; + var heights = prepared.view.measure.heights; + var i = 0; + for (; i < heights.length - 1; i++) + { if (mid < heights[i]) { break } } + var top = i ? heights[i - 1] : 0, bot = heights[i]; + var result = {left: (collapse == "right" ? rect.right : rect.left) - prepared.rect.left, + right: (collapse == "left" ? rect.left : rect.right) - prepared.rect.left, + top: top, bottom: bot}; + if (!rect.left && !rect.right) { result.bogus = true; } + if (!cm.options.singleCursorHeightPerLine) { result.rtop = rtop; result.rbottom = rbot; } + + return result + } + + // Work around problem with bounding client rects on ranges being + // returned incorrectly when zoomed on IE10 and below. + function maybeUpdateRectForZooming(measure, rect) { + if (!window.screen || screen.logicalXDPI == null || + screen.logicalXDPI == screen.deviceXDPI || !hasBadZoomedRects(measure)) + { return rect } + var scaleX = screen.logicalXDPI / screen.deviceXDPI; + var scaleY = screen.logicalYDPI / screen.deviceYDPI; + return {left: rect.left * scaleX, right: rect.right * scaleX, + top: rect.top * scaleY, bottom: rect.bottom * scaleY} + } + + function clearLineMeasurementCacheFor(lineView) { + if (lineView.measure) { + lineView.measure.cache = {}; + lineView.measure.heights = null; + if (lineView.rest) { for (var i = 0; i < lineView.rest.length; i++) + { lineView.measure.caches[i] = {}; } } + } + } + + function clearLineMeasurementCache(cm) { + cm.display.externalMeasure = null; + removeChildren(cm.display.lineMeasure); + for (var i = 0; i < cm.display.view.length; i++) + { clearLineMeasurementCacheFor(cm.display.view[i]); } + } + + function clearCaches(cm) { + clearLineMeasurementCache(cm); + cm.display.cachedCharWidth = cm.display.cachedTextHeight = cm.display.cachedPaddingH = null; + if (!cm.options.lineWrapping) { cm.display.maxLineChanged = true; } + cm.display.lineNumChars = null; + } + + function pageScrollX(doc) { + // Work around https://bugs.chromium.org/p/chromium/issues/detail?id=489206 + // which causes page_Offset and bounding client rects to use + // different reference viewports and invalidate our calculations. + if (chrome && android) { return -(doc.body.getBoundingClientRect().left - parseInt(getComputedStyle(doc.body).marginLeft)) } + return doc.defaultView.pageXOffset || (doc.documentElement || doc.body).scrollLeft + } + function pageScrollY(doc) { + if (chrome && android) { return -(doc.body.getBoundingClientRect().top - parseInt(getComputedStyle(doc.body).marginTop)) } + return doc.defaultView.pageYOffset || (doc.documentElement || doc.body).scrollTop + } + + function widgetTopHeight(lineObj) { + var ref = visualLine(lineObj); + var widgets = ref.widgets; + var height = 0; + if (widgets) { for (var i = 0; i < widgets.length; ++i) { if (widgets[i].above) + { height += widgetHeight(widgets[i]); } } } + return height + } + + // Converts a {top, bottom, left, right} box from line-local + // coordinates into another coordinate system. Context may be one of + // "line", "div" (display.lineDiv), "local"./null (editor), "window", + // or "page". + function intoCoordSystem(cm, lineObj, rect, context, includeWidgets) { + if (!includeWidgets) { + var height = widgetTopHeight(lineObj); + rect.top += height; rect.bottom += height; + } + if (context == "line") { return rect } + if (!context) { context = "local"; } + var yOff = heightAtLine(lineObj); + if (context == "local") { yOff += paddingTop(cm.display); } + else { yOff -= cm.display.viewOffset; } + if (context == "page" || context == "window") { + var lOff = cm.display.lineSpace.getBoundingClientRect(); + yOff += lOff.top + (context == "window" ? 0 : pageScrollY(doc(cm))); + var xOff = lOff.left + (context == "window" ? 0 : pageScrollX(doc(cm))); + rect.left += xOff; rect.right += xOff; + } + rect.top += yOff; rect.bottom += yOff; + return rect + } + + // Coverts a box from "div" coords to another coordinate system. + // Context may be "window", "page", "div", or "local"./null. + function fromCoordSystem(cm, coords, context) { + if (context == "div") { return coords } + var left = coords.left, top = coords.top; + // First move into "page" coordinate system + if (context == "page") { + left -= pageScrollX(doc(cm)); + top -= pageScrollY(doc(cm)); + } else if (context == "local" || !context) { + var localBox = cm.display.sizer.getBoundingClientRect(); + left += localBox.left; + top += localBox.top; + } + + var lineSpaceBox = cm.display.lineSpace.getBoundingClientRect(); + return {left: left - lineSpaceBox.left, top: top - lineSpaceBox.top} + } + + function charCoords(cm, pos, context, lineObj, bias) { + if (!lineObj) { lineObj = getLine(cm.doc, pos.line); } + return intoCoordSystem(cm, lineObj, measureChar(cm, lineObj, pos.ch, bias), context) + } + + // Returns a box for a given cursor position, which may have an + // 'other' property containing the position of the secondary cursor + // on a bidi boundary. + // A cursor Pos(line, char, "before") is on the same visual line as `char - 1` + // and after `char - 1` in writing order of `char - 1` + // A cursor Pos(line, char, "after") is on the same visual line as `char` + // and before `char` in writing order of `char` + // Examples (upper-case letters are RTL, lower-case are LTR): + // Pos(0, 1, ...) + // before after + // ab a|b a|b + // aB a|B aB| + // Ab |Ab A|b + // AB B|A B|A + // Every position after the last character on a line is considered to stick + // to the last character on the line. + function cursorCoords(cm, pos, context, lineObj, preparedMeasure, varHeight) { + lineObj = lineObj || getLine(cm.doc, pos.line); + if (!preparedMeasure) { preparedMeasure = prepareMeasureForLine(cm, lineObj); } + function get(ch, right) { + var m = measureCharPrepared(cm, preparedMeasure, ch, right ? "right" : "left", varHeight); + if (right) { m.left = m.right; } else { m.right = m.left; } + return intoCoordSystem(cm, lineObj, m, context) + } + var order = getOrder(lineObj, cm.doc.direction), ch = pos.ch, sticky = pos.sticky; + if (ch >= lineObj.text.length) { + ch = lineObj.text.length; + sticky = "before"; + } else if (ch <= 0) { + ch = 0; + sticky = "after"; + } + if (!order) { return get(sticky == "before" ? ch - 1 : ch, sticky == "before") } + + function getBidi(ch, partPos, invert) { + var part = order[partPos], right = part.level == 1; + return get(invert ? ch - 1 : ch, right != invert) + } + var partPos = getBidiPartAt(order, ch, sticky); + var other = bidiOther; + var val = getBidi(ch, partPos, sticky == "before"); + if (other != null) { val.other = getBidi(ch, other, sticky != "before"); } + return val + } + + // Used to cheaply estimate the coordinates for a position. Used for + // intermediate scroll updates. + function estimateCoords(cm, pos) { + var left = 0; + pos = clipPos(cm.doc, pos); + if (!cm.options.lineWrapping) { left = charWidth(cm.display) * pos.ch; } + var lineObj = getLine(cm.doc, pos.line); + var top = heightAtLine(lineObj) + paddingTop(cm.display); + return {left: left, right: left, top: top, bottom: top + lineObj.height} + } + + // Positions returned by coordsChar contain some extra information. + // xRel is the relative x position of the input coordinates compared + // to the found position (so xRel > 0 means the coordinates are to + // the right of the character position, for example). When outside + // is true, that means the coordinates lie outside the line's + // vertical range. + function PosWithInfo(line, ch, sticky, outside, xRel) { + var pos = Pos(line, ch, sticky); + pos.xRel = xRel; + if (outside) { pos.outside = outside; } + return pos + } + + // Compute the character position closest to the given coordinates. + // Input must be lineSpace-local ("div" coordinate system). + function coordsChar(cm, x, y) { + var doc = cm.doc; + y += cm.display.viewOffset; + if (y < 0) { return PosWithInfo(doc.first, 0, null, -1, -1) } + var lineN = lineAtHeight(doc, y), last = doc.first + doc.size - 1; + if (lineN > last) + { return PosWithInfo(doc.first + doc.size - 1, getLine(doc, last).text.length, null, 1, 1) } + if (x < 0) { x = 0; } + + var lineObj = getLine(doc, lineN); + for (;;) { + var found = coordsCharInner(cm, lineObj, lineN, x, y); + var collapsed = collapsedSpanAround(lineObj, found.ch + (found.xRel > 0 || found.outside > 0 ? 1 : 0)); + if (!collapsed) { return found } + var rangeEnd = collapsed.find(1); + if (rangeEnd.line == lineN) { return rangeEnd } + lineObj = getLine(doc, lineN = rangeEnd.line); + } + } + + function wrappedLineExtent(cm, lineObj, preparedMeasure, y) { + y -= widgetTopHeight(lineObj); + var end = lineObj.text.length; + var begin = findFirst(function (ch) { return measureCharPrepared(cm, preparedMeasure, ch - 1).bottom <= y; }, end, 0); + end = findFirst(function (ch) { return measureCharPrepared(cm, preparedMeasure, ch).top > y; }, begin, end); + return {begin: begin, end: end} + } + + function wrappedLineExtentChar(cm, lineObj, preparedMeasure, target) { + if (!preparedMeasure) { preparedMeasure = prepareMeasureForLine(cm, lineObj); } + var targetTop = intoCoordSystem(cm, lineObj, measureCharPrepared(cm, preparedMeasure, target), "line").top; + return wrappedLineExtent(cm, lineObj, preparedMeasure, targetTop) + } + + // Returns true if the given side of a box is after the given + // coordinates, in top-to-bottom, left-to-right order. + function boxIsAfter(box, x, y, left) { + return box.bottom <= y ? false : box.top > y ? true : (left ? box.left : box.right) > x + } + + function coordsCharInner(cm, lineObj, lineNo, x, y) { + // Move y into line-local coordinate space + y -= heightAtLine(lineObj); + var preparedMeasure = prepareMeasureForLine(cm, lineObj); + // When directly calling `measureCharPrepared`, we have to adjust + // for the widgets at this line. + var widgetHeight = widgetTopHeight(lineObj); + var begin = 0, end = lineObj.text.length, ltr = true; + + var order = getOrder(lineObj, cm.doc.direction); + // If the line isn't plain left-to-right text, first figure out + // which bidi section the coordinates fall into. + if (order) { + var part = (cm.options.lineWrapping ? coordsBidiPartWrapped : coordsBidiPart) + (cm, lineObj, lineNo, preparedMeasure, order, x, y); + ltr = part.level != 1; + // The awkward -1 offsets are needed because findFirst (called + // on these below) will treat its first bound as inclusive, + // second as exclusive, but we want to actually address the + // characters in the part's range + begin = ltr ? part.from : part.to - 1; + end = ltr ? part.to : part.from - 1; + } + + // A binary search to find the first character whose bounding box + // starts after the coordinates. If we run across any whose box wrap + // the coordinates, store that. + var chAround = null, boxAround = null; + var ch = findFirst(function (ch) { + var box = measureCharPrepared(cm, preparedMeasure, ch); + box.top += widgetHeight; box.bottom += widgetHeight; + if (!boxIsAfter(box, x, y, false)) { return false } + if (box.top <= y && box.left <= x) { + chAround = ch; + boxAround = box; + } + return true + }, begin, end); + + var baseX, sticky, outside = false; + // If a box around the coordinates was found, use that + if (boxAround) { + // Distinguish coordinates nearer to the left or right side of the box + var atLeft = x - boxAround.left < boxAround.right - x, atStart = atLeft == ltr; + ch = chAround + (atStart ? 0 : 1); + sticky = atStart ? "after" : "before"; + baseX = atLeft ? boxAround.left : boxAround.right; + } else { + // (Adjust for extended bound, if necessary.) + if (!ltr && (ch == end || ch == begin)) { ch++; } + // To determine which side to associate with, get the box to the + // left of the character and compare it's vertical position to the + // coordinates + sticky = ch == 0 ? "after" : ch == lineObj.text.length ? "before" : + (measureCharPrepared(cm, preparedMeasure, ch - (ltr ? 1 : 0)).bottom + widgetHeight <= y) == ltr ? + "after" : "before"; + // Now get accurate coordinates for this place, in order to get a + // base X position + var coords = cursorCoords(cm, Pos(lineNo, ch, sticky), "line", lineObj, preparedMeasure); + baseX = coords.left; + outside = y < coords.top ? -1 : y >= coords.bottom ? 1 : 0; + } + + ch = skipExtendingChars(lineObj.text, ch, 1); + return PosWithInfo(lineNo, ch, sticky, outside, x - baseX) + } + + function coordsBidiPart(cm, lineObj, lineNo, preparedMeasure, order, x, y) { + // Bidi parts are sorted left-to-right, and in a non-line-wrapping + // situation, we can take this ordering to correspond to the visual + // ordering. This finds the first part whose end is after the given + // coordinates. + var index = findFirst(function (i) { + var part = order[i], ltr = part.level != 1; + return boxIsAfter(cursorCoords(cm, Pos(lineNo, ltr ? part.to : part.from, ltr ? "before" : "after"), + "line", lineObj, preparedMeasure), x, y, true) + }, 0, order.length - 1); + var part = order[index]; + // If this isn't the first part, the part's start is also after + // the coordinates, and the coordinates aren't on the same line as + // that start, move one part back. + if (index > 0) { + var ltr = part.level != 1; + var start = cursorCoords(cm, Pos(lineNo, ltr ? part.from : part.to, ltr ? "after" : "before"), + "line", lineObj, preparedMeasure); + if (boxIsAfter(start, x, y, true) && start.top > y) + { part = order[index - 1]; } + } + return part + } + + function coordsBidiPartWrapped(cm, lineObj, _lineNo, preparedMeasure, order, x, y) { + // In a wrapped line, rtl text on wrapping boundaries can do things + // that don't correspond to the ordering in our `order` array at + // all, so a binary search doesn't work, and we want to return a + // part that only spans one line so that the binary search in + // coordsCharInner is safe. As such, we first find the extent of the + // wrapped line, and then do a flat search in which we discard any + // spans that aren't on the line. + var ref = wrappedLineExtent(cm, lineObj, preparedMeasure, y); + var begin = ref.begin; + var end = ref.end; + if (/\s/.test(lineObj.text.charAt(end - 1))) { end--; } + var part = null, closestDist = null; + for (var i = 0; i < order.length; i++) { + var p = order[i]; + if (p.from >= end || p.to <= begin) { continue } + var ltr = p.level != 1; + var endX = measureCharPrepared(cm, preparedMeasure, ltr ? Math.min(end, p.to) - 1 : Math.max(begin, p.from)).right; + // Weigh against spans ending before this, so that they are only + // picked if nothing ends after + var dist = endX < x ? x - endX + 1e9 : endX - x; + if (!part || closestDist > dist) { + part = p; + closestDist = dist; + } + } + if (!part) { part = order[order.length - 1]; } + // Clip the part to the wrapped line. + if (part.from < begin) { part = {from: begin, to: part.to, level: part.level}; } + if (part.to > end) { part = {from: part.from, to: end, level: part.level}; } + return part + } + + var measureText; + // Compute the default text height. + function textHeight(display) { + if (display.cachedTextHeight != null) { return display.cachedTextHeight } + if (measureText == null) { + measureText = elt("pre", null, "CodeMirror-line-like"); + // Measure a bunch of lines, for browsers that compute + // fractional heights. + for (var i = 0; i < 49; ++i) { + measureText.appendChild(document.createTextNode("x")); + measureText.appendChild(elt("br")); + } + measureText.appendChild(document.createTextNode("x")); + } + removeChildrenAndAdd(display.measure, measureText); + var height = measureText.offsetHeight / 50; + if (height > 3) { display.cachedTextHeight = height; } + removeChildren(display.measure); + return height || 1 + } + + // Compute the default character width. + function charWidth(display) { + if (display.cachedCharWidth != null) { return display.cachedCharWidth } + var anchor = elt("span", "xxxxxxxxxx"); + var pre = elt("pre", [anchor], "CodeMirror-line-like"); + removeChildrenAndAdd(display.measure, pre); + var rect = anchor.getBoundingClientRect(), width = (rect.right - rect.left) / 10; + if (width > 2) { display.cachedCharWidth = width; } + return width || 10 + } + + // Do a bulk-read of the DOM positions and sizes needed to draw the + // view, so that we don't interleave reading and writing to the DOM. + function getDimensions(cm) { + var d = cm.display, left = {}, width = {}; + var gutterLeft = d.gutters.clientLeft; + for (var n = d.gutters.firstChild, i = 0; n; n = n.nextSibling, ++i) { + var id = cm.display.gutterSpecs[i].className; + left[id] = n.offsetLeft + n.clientLeft + gutterLeft; + width[id] = n.clientWidth; + } + return {fixedPos: compensateForHScroll(d), + gutterTotalWidth: d.gutters.offsetWidth, + gutterLeft: left, + gutterWidth: width, + wrapperWidth: d.wrapper.clientWidth} + } + + // Computes display.scroller.scrollLeft + display.gutters.offsetWidth, + // but using getBoundingClientRect to get a sub-pixel-accurate + // result. + function compensateForHScroll(display) { + return display.scroller.getBoundingClientRect().left - display.sizer.getBoundingClientRect().left + } + + // Returns a function that estimates the height of a line, to use as + // first approximation until the line becomes visible (and is thus + // properly measurable). + function estimateHeight(cm) { + var th = textHeight(cm.display), wrapping = cm.options.lineWrapping; + var perLine = wrapping && Math.max(5, cm.display.scroller.clientWidth / charWidth(cm.display) - 3); + return function (line) { + if (lineIsHidden(cm.doc, line)) { return 0 } + + var widgetsHeight = 0; + if (line.widgets) { for (var i = 0; i < line.widgets.length; i++) { + if (line.widgets[i].height) { widgetsHeight += line.widgets[i].height; } + } } + + if (wrapping) + { return widgetsHeight + (Math.ceil(line.text.length / perLine) || 1) * th } + else + { return widgetsHeight + th } + } + } + + function estimateLineHeights(cm) { + var doc = cm.doc, est = estimateHeight(cm); + doc.iter(function (line) { + var estHeight = est(line); + if (estHeight != line.height) { updateLineHeight(line, estHeight); } + }); + } + + // Given a mouse event, find the corresponding position. If liberal + // is false, it checks whether a gutter or scrollbar was clicked, + // and returns null if it was. forRect is used by rectangular + // selections, and tries to estimate a character position even for + // coordinates beyond the right of the text. + function posFromMouse(cm, e, liberal, forRect) { + var display = cm.display; + if (!liberal && e_target(e).getAttribute("cm-not-content") == "true") { return null } + + var x, y, space = display.lineSpace.getBoundingClientRect(); + // Fails unpredictably on IE[67] when mouse is dragged around quickly. + try { x = e.clientX - space.left; y = e.clientY - space.top; } + catch (e$1) { return null } + var coords = coordsChar(cm, x, y), line; + if (forRect && coords.xRel > 0 && (line = getLine(cm.doc, coords.line).text).length == coords.ch) { + var colDiff = countColumn(line, line.length, cm.options.tabSize) - line.length; + coords = Pos(coords.line, Math.max(0, Math.round((x - paddingH(cm.display).left) / charWidth(cm.display)) - colDiff)); + } + return coords + } + + // Find the view element corresponding to a given line. Return null + // when the line isn't visible. + function findViewIndex(cm, n) { + if (n >= cm.display.viewTo) { return null } + n -= cm.display.viewFrom; + if (n < 0) { return null } + var view = cm.display.view; + for (var i = 0; i < view.length; i++) { + n -= view[i].size; + if (n < 0) { return i } + } + } + + // Updates the display.view data structure for a given change to the + // document. From and to are in pre-change coordinates. Lendiff is + // the amount of lines added or subtracted by the change. This is + // used for changes that span multiple lines, or change the way + // lines are divided into visual lines. regLineChange (below) + // registers single-line changes. + function regChange(cm, from, to, lendiff) { + if (from == null) { from = cm.doc.first; } + if (to == null) { to = cm.doc.first + cm.doc.size; } + if (!lendiff) { lendiff = 0; } + + var display = cm.display; + if (lendiff && to < display.viewTo && + (display.updateLineNumbers == null || display.updateLineNumbers > from)) + { display.updateLineNumbers = from; } + + cm.curOp.viewChanged = true; + + if (from >= display.viewTo) { // Change after + if (sawCollapsedSpans && visualLineNo(cm.doc, from) < display.viewTo) + { resetView(cm); } + } else if (to <= display.viewFrom) { // Change before + if (sawCollapsedSpans && visualLineEndNo(cm.doc, to + lendiff) > display.viewFrom) { + resetView(cm); + } else { + display.viewFrom += lendiff; + display.viewTo += lendiff; + } + } else if (from <= display.viewFrom && to >= display.viewTo) { // Full overlap + resetView(cm); + } else if (from <= display.viewFrom) { // Top overlap + var cut = viewCuttingPoint(cm, to, to + lendiff, 1); + if (cut) { + display.view = display.view.slice(cut.index); + display.viewFrom = cut.lineN; + display.viewTo += lendiff; + } else { + resetView(cm); + } + } else if (to >= display.viewTo) { // Bottom overlap + var cut$1 = viewCuttingPoint(cm, from, from, -1); + if (cut$1) { + display.view = display.view.slice(0, cut$1.index); + display.viewTo = cut$1.lineN; + } else { + resetView(cm); + } + } else { // Gap in the middle + var cutTop = viewCuttingPoint(cm, from, from, -1); + var cutBot = viewCuttingPoint(cm, to, to + lendiff, 1); + if (cutTop && cutBot) { + display.view = display.view.slice(0, cutTop.index) + .concat(buildViewArray(cm, cutTop.lineN, cutBot.lineN)) + .concat(display.view.slice(cutBot.index)); + display.viewTo += lendiff; + } else { + resetView(cm); + } + } + + var ext = display.externalMeasured; + if (ext) { + if (to < ext.lineN) + { ext.lineN += lendiff; } + else if (from < ext.lineN + ext.size) + { display.externalMeasured = null; } + } + } + + // Register a change to a single line. Type must be one of "text", + // "gutter", "class", "widget" + function regLineChange(cm, line, type) { + cm.curOp.viewChanged = true; + var display = cm.display, ext = cm.display.externalMeasured; + if (ext && line >= ext.lineN && line < ext.lineN + ext.size) + { display.externalMeasured = null; } + + if (line < display.viewFrom || line >= display.viewTo) { return } + var lineView = display.view[findViewIndex(cm, line)]; + if (lineView.node == null) { return } + var arr = lineView.changes || (lineView.changes = []); + if (indexOf(arr, type) == -1) { arr.push(type); } + } + + // Clear the view. + function resetView(cm) { + cm.display.viewFrom = cm.display.viewTo = cm.doc.first; + cm.display.view = []; + cm.display.viewOffset = 0; + } + + function viewCuttingPoint(cm, oldN, newN, dir) { + var index = findViewIndex(cm, oldN), diff, view = cm.display.view; + if (!sawCollapsedSpans || newN == cm.doc.first + cm.doc.size) + { return {index: index, lineN: newN} } + var n = cm.display.viewFrom; + for (var i = 0; i < index; i++) + { n += view[i].size; } + if (n != oldN) { + if (dir > 0) { + if (index == view.length - 1) { return null } + diff = (n + view[index].size) - oldN; + index++; + } else { + diff = n - oldN; + } + oldN += diff; newN += diff; + } + while (visualLineNo(cm.doc, newN) != newN) { + if (index == (dir < 0 ? 0 : view.length - 1)) { return null } + newN += dir * view[index - (dir < 0 ? 1 : 0)].size; + index += dir; + } + return {index: index, lineN: newN} + } + + // Force the view to cover a given range, adding empty view element + // or clipping off existing ones as needed. + function adjustView(cm, from, to) { + var display = cm.display, view = display.view; + if (view.length == 0 || from >= display.viewTo || to <= display.viewFrom) { + display.view = buildViewArray(cm, from, to); + display.viewFrom = from; + } else { + if (display.viewFrom > from) + { display.view = buildViewArray(cm, from, display.viewFrom).concat(display.view); } + else if (display.viewFrom < from) + { display.view = display.view.slice(findViewIndex(cm, from)); } + display.viewFrom = from; + if (display.viewTo < to) + { display.view = display.view.concat(buildViewArray(cm, display.viewTo, to)); } + else if (display.viewTo > to) + { display.view = display.view.slice(0, findViewIndex(cm, to)); } + } + display.viewTo = to; + } + + // Count the number of lines in the view whose DOM representation is + // out of date (or nonexistent). + function countDirtyView(cm) { + var view = cm.display.view, dirty = 0; + for (var i = 0; i < view.length; i++) { + var lineView = view[i]; + if (!lineView.hidden && (!lineView.node || lineView.changes)) { ++dirty; } + } + return dirty + } + + function updateSelection(cm) { + cm.display.input.showSelection(cm.display.input.prepareSelection()); + } + + function prepareSelection(cm, primary) { + if ( primary === void 0 ) primary = true; + + var doc = cm.doc, result = {}; + var curFragment = result.cursors = document.createDocumentFragment(); + var selFragment = result.selection = document.createDocumentFragment(); + + var customCursor = cm.options.$customCursor; + if (customCursor) { primary = true; } + for (var i = 0; i < doc.sel.ranges.length; i++) { + if (!primary && i == doc.sel.primIndex) { continue } + var range = doc.sel.ranges[i]; + if (range.from().line >= cm.display.viewTo || range.to().line < cm.display.viewFrom) { continue } + var collapsed = range.empty(); + if (customCursor) { + var head = customCursor(cm, range); + if (head) { drawSelectionCursor(cm, head, curFragment); } + } else if (collapsed || cm.options.showCursorWhenSelecting) { + drawSelectionCursor(cm, range.head, curFragment); + } + if (!collapsed) + { drawSelectionRange(cm, range, selFragment); } + } + return result + } + + // Draws a cursor for the given range + function drawSelectionCursor(cm, head, output) { + var pos = cursorCoords(cm, head, "div", null, null, !cm.options.singleCursorHeightPerLine); + + var cursor = output.appendChild(elt("div", "\u00a0", "CodeMirror-cursor")); + cursor.style.left = pos.left + "px"; + cursor.style.top = pos.top + "px"; + cursor.style.height = Math.max(0, pos.bottom - pos.top) * cm.options.cursorHeight + "px"; + + if (/\bcm-fat-cursor\b/.test(cm.getWrapperElement().className)) { + var charPos = charCoords(cm, head, "div", null, null); + var width = charPos.right - charPos.left; + cursor.style.width = (width > 0 ? width : cm.defaultCharWidth()) + "px"; + } + + if (pos.other) { + // Secondary cursor, shown when on a 'jump' in bi-directional text + var otherCursor = output.appendChild(elt("div", "\u00a0", "CodeMirror-cursor CodeMirror-secondarycursor")); + otherCursor.style.display = ""; + otherCursor.style.left = pos.other.left + "px"; + otherCursor.style.top = pos.other.top + "px"; + otherCursor.style.height = (pos.other.bottom - pos.other.top) * .85 + "px"; + } + } + + function cmpCoords(a, b) { return a.top - b.top || a.left - b.left } + + // Draws the given range as a highlighted selection + function drawSelectionRange(cm, range, output) { + var display = cm.display, doc = cm.doc; + var fragment = document.createDocumentFragment(); + var padding = paddingH(cm.display), leftSide = padding.left; + var rightSide = Math.max(display.sizerWidth, displayWidth(cm) - display.sizer.offsetLeft) - padding.right; + var docLTR = doc.direction == "ltr"; + + function add(left, top, width, bottom) { + if (top < 0) { top = 0; } + top = Math.round(top); + bottom = Math.round(bottom); + fragment.appendChild(elt("div", null, "CodeMirror-selected", ("position: absolute; left: " + left + "px;\n top: " + top + "px; width: " + (width == null ? rightSide - left : width) + "px;\n height: " + (bottom - top) + "px"))); + } + + function drawForLine(line, fromArg, toArg) { + var lineObj = getLine(doc, line); + var lineLen = lineObj.text.length; + var start, end; + function coords(ch, bias) { + return charCoords(cm, Pos(line, ch), "div", lineObj, bias) + } + + function wrapX(pos, dir, side) { + var extent = wrappedLineExtentChar(cm, lineObj, null, pos); + var prop = (dir == "ltr") == (side == "after") ? "left" : "right"; + var ch = side == "after" ? extent.begin : extent.end - (/\s/.test(lineObj.text.charAt(extent.end - 1)) ? 2 : 1); + return coords(ch, prop)[prop] + } + + var order = getOrder(lineObj, doc.direction); + iterateBidiSections(order, fromArg || 0, toArg == null ? lineLen : toArg, function (from, to, dir, i) { + var ltr = dir == "ltr"; + var fromPos = coords(from, ltr ? "left" : "right"); + var toPos = coords(to - 1, ltr ? "right" : "left"); + + var openStart = fromArg == null && from == 0, openEnd = toArg == null && to == lineLen; + var first = i == 0, last = !order || i == order.length - 1; + if (toPos.top - fromPos.top <= 3) { // Single line + var openLeft = (docLTR ? openStart : openEnd) && first; + var openRight = (docLTR ? openEnd : openStart) && last; + var left = openLeft ? leftSide : (ltr ? fromPos : toPos).left; + var right = openRight ? rightSide : (ltr ? toPos : fromPos).right; + add(left, fromPos.top, right - left, fromPos.bottom); + } else { // Multiple lines + var topLeft, topRight, botLeft, botRight; + if (ltr) { + topLeft = docLTR && openStart && first ? leftSide : fromPos.left; + topRight = docLTR ? rightSide : wrapX(from, dir, "before"); + botLeft = docLTR ? leftSide : wrapX(to, dir, "after"); + botRight = docLTR && openEnd && last ? rightSide : toPos.right; + } else { + topLeft = !docLTR ? leftSide : wrapX(from, dir, "before"); + topRight = !docLTR && openStart && first ? rightSide : fromPos.right; + botLeft = !docLTR && openEnd && last ? leftSide : toPos.left; + botRight = !docLTR ? rightSide : wrapX(to, dir, "after"); + } + add(topLeft, fromPos.top, topRight - topLeft, fromPos.bottom); + if (fromPos.bottom < toPos.top) { add(leftSide, fromPos.bottom, null, toPos.top); } + add(botLeft, toPos.top, botRight - botLeft, toPos.bottom); + } + + if (!start || cmpCoords(fromPos, start) < 0) { start = fromPos; } + if (cmpCoords(toPos, start) < 0) { start = toPos; } + if (!end || cmpCoords(fromPos, end) < 0) { end = fromPos; } + if (cmpCoords(toPos, end) < 0) { end = toPos; } + }); + return {start: start, end: end} + } + + var sFrom = range.from(), sTo = range.to(); + if (sFrom.line == sTo.line) { + drawForLine(sFrom.line, sFrom.ch, sTo.ch); + } else { + var fromLine = getLine(doc, sFrom.line), toLine = getLine(doc, sTo.line); + var singleVLine = visualLine(fromLine) == visualLine(toLine); + var leftEnd = drawForLine(sFrom.line, sFrom.ch, singleVLine ? fromLine.text.length + 1 : null).end; + var rightStart = drawForLine(sTo.line, singleVLine ? 0 : null, sTo.ch).start; + if (singleVLine) { + if (leftEnd.top < rightStart.top - 2) { + add(leftEnd.right, leftEnd.top, null, leftEnd.bottom); + add(leftSide, rightStart.top, rightStart.left, rightStart.bottom); + } else { + add(leftEnd.right, leftEnd.top, rightStart.left - leftEnd.right, leftEnd.bottom); + } + } + if (leftEnd.bottom < rightStart.top) + { add(leftSide, leftEnd.bottom, null, rightStart.top); } + } + + output.appendChild(fragment); + } + + // Cursor-blinking + function restartBlink(cm) { + if (!cm.state.focused) { return } + var display = cm.display; + clearInterval(display.blinker); + var on = true; + display.cursorDiv.style.visibility = ""; + if (cm.options.cursorBlinkRate > 0) + { display.blinker = setInterval(function () { + if (!cm.hasFocus()) { onBlur(cm); } + display.cursorDiv.style.visibility = (on = !on) ? "" : "hidden"; + }, cm.options.cursorBlinkRate); } + else if (cm.options.cursorBlinkRate < 0) + { display.cursorDiv.style.visibility = "hidden"; } + } + + function ensureFocus(cm) { + if (!cm.hasFocus()) { + cm.display.input.focus(); + if (!cm.state.focused) { onFocus(cm); } + } + } + + function delayBlurEvent(cm) { + cm.state.delayingBlurEvent = true; + setTimeout(function () { if (cm.state.delayingBlurEvent) { + cm.state.delayingBlurEvent = false; + if (cm.state.focused) { onBlur(cm); } + } }, 100); + } + + function onFocus(cm, e) { + if (cm.state.delayingBlurEvent && !cm.state.draggingText) { cm.state.delayingBlurEvent = false; } + + if (cm.options.readOnly == "nocursor") { return } + if (!cm.state.focused) { + signal(cm, "focus", cm, e); + cm.state.focused = true; + addClass(cm.display.wrapper, "CodeMirror-focused"); + // This test prevents this from firing when a context + // menu is closed (since the input reset would kill the + // select-all detection hack) + if (!cm.curOp && cm.display.selForContextMenu != cm.doc.sel) { + cm.display.input.reset(); + if (webkit) { setTimeout(function () { return cm.display.input.reset(true); }, 20); } // Issue #1730 + } + cm.display.input.receivedFocus(); + } + restartBlink(cm); + } + function onBlur(cm, e) { + if (cm.state.delayingBlurEvent) { return } + + if (cm.state.focused) { + signal(cm, "blur", cm, e); + cm.state.focused = false; + rmClass(cm.display.wrapper, "CodeMirror-focused"); + } + clearInterval(cm.display.blinker); + setTimeout(function () { if (!cm.state.focused) { cm.display.shift = false; } }, 150); + } + + // Read the actual heights of the rendered lines, and update their + // stored heights to match. + function updateHeightsInViewport(cm) { + var display = cm.display; + var prevBottom = display.lineDiv.offsetTop; + var viewTop = Math.max(0, display.scroller.getBoundingClientRect().top); + var oldHeight = display.lineDiv.getBoundingClientRect().top; + var mustScroll = 0; + for (var i = 0; i < display.view.length; i++) { + var cur = display.view[i], wrapping = cm.options.lineWrapping; + var height = (void 0), width = 0; + if (cur.hidden) { continue } + oldHeight += cur.line.height; + if (ie && ie_version < 8) { + var bot = cur.node.offsetTop + cur.node.offsetHeight; + height = bot - prevBottom; + prevBottom = bot; + } else { + var box = cur.node.getBoundingClientRect(); + height = box.bottom - box.top; + // Check that lines don't extend past the right of the current + // editor width + if (!wrapping && cur.text.firstChild) + { width = cur.text.firstChild.getBoundingClientRect().right - box.left - 1; } + } + var diff = cur.line.height - height; + if (diff > .005 || diff < -.005) { + if (oldHeight < viewTop) { mustScroll -= diff; } + updateLineHeight(cur.line, height); + updateWidgetHeight(cur.line); + if (cur.rest) { for (var j = 0; j < cur.rest.length; j++) + { updateWidgetHeight(cur.rest[j]); } } + } + if (width > cm.display.sizerWidth) { + var chWidth = Math.ceil(width / charWidth(cm.display)); + if (chWidth > cm.display.maxLineLength) { + cm.display.maxLineLength = chWidth; + cm.display.maxLine = cur.line; + cm.display.maxLineChanged = true; + } + } + } + if (Math.abs(mustScroll) > 2) { display.scroller.scrollTop += mustScroll; } + } + + // Read and store the height of line widgets associated with the + // given line. + function updateWidgetHeight(line) { + if (line.widgets) { for (var i = 0; i < line.widgets.length; ++i) { + var w = line.widgets[i], parent = w.node.parentNode; + if (parent) { w.height = parent.offsetHeight; } + } } + } + + // Compute the lines that are visible in a given viewport (defaults + // the the current scroll position). viewport may contain top, + // height, and ensure (see op.scrollToPos) properties. + function visibleLines(display, doc, viewport) { + var top = viewport && viewport.top != null ? Math.max(0, viewport.top) : display.scroller.scrollTop; + top = Math.floor(top - paddingTop(display)); + var bottom = viewport && viewport.bottom != null ? viewport.bottom : top + display.wrapper.clientHeight; + + var from = lineAtHeight(doc, top), to = lineAtHeight(doc, bottom); + // Ensure is a {from: {line, ch}, to: {line, ch}} object, and + // forces those lines into the viewport (if possible). + if (viewport && viewport.ensure) { + var ensureFrom = viewport.ensure.from.line, ensureTo = viewport.ensure.to.line; + if (ensureFrom < from) { + from = ensureFrom; + to = lineAtHeight(doc, heightAtLine(getLine(doc, ensureFrom)) + display.wrapper.clientHeight); + } else if (Math.min(ensureTo, doc.lastLine()) >= to) { + from = lineAtHeight(doc, heightAtLine(getLine(doc, ensureTo)) - display.wrapper.clientHeight); + to = ensureTo; + } + } + return {from: from, to: Math.max(to, from + 1)} + } + + // SCROLLING THINGS INTO VIEW + + // If an editor sits on the top or bottom of the window, partially + // scrolled out of view, this ensures that the cursor is visible. + function maybeScrollWindow(cm, rect) { + if (signalDOMEvent(cm, "scrollCursorIntoView")) { return } + + var display = cm.display, box = display.sizer.getBoundingClientRect(), doScroll = null; + var doc = display.wrapper.ownerDocument; + if (rect.top + box.top < 0) { doScroll = true; } + else if (rect.bottom + box.top > (doc.defaultView.innerHeight || doc.documentElement.clientHeight)) { doScroll = false; } + if (doScroll != null && !phantom) { + var scrollNode = elt("div", "\u200b", null, ("position: absolute;\n top: " + (rect.top - display.viewOffset - paddingTop(cm.display)) + "px;\n height: " + (rect.bottom - rect.top + scrollGap(cm) + display.barHeight) + "px;\n left: " + (rect.left) + "px; width: " + (Math.max(2, rect.right - rect.left)) + "px;")); + cm.display.lineSpace.appendChild(scrollNode); + scrollNode.scrollIntoView(doScroll); + cm.display.lineSpace.removeChild(scrollNode); + } + } + + // Scroll a given position into view (immediately), verifying that + // it actually became visible (as line heights are accurately + // measured, the position of something may 'drift' during drawing). + function scrollPosIntoView(cm, pos, end, margin) { + if (margin == null) { margin = 0; } + var rect; + if (!cm.options.lineWrapping && pos == end) { + // Set pos and end to the cursor positions around the character pos sticks to + // If pos.sticky == "before", that is around pos.ch - 1, otherwise around pos.ch + // If pos == Pos(_, 0, "before"), pos and end are unchanged + end = pos.sticky == "before" ? Pos(pos.line, pos.ch + 1, "before") : pos; + pos = pos.ch ? Pos(pos.line, pos.sticky == "before" ? pos.ch - 1 : pos.ch, "after") : pos; + } + for (var limit = 0; limit < 5; limit++) { + var changed = false; + var coords = cursorCoords(cm, pos); + var endCoords = !end || end == pos ? coords : cursorCoords(cm, end); + rect = {left: Math.min(coords.left, endCoords.left), + top: Math.min(coords.top, endCoords.top) - margin, + right: Math.max(coords.left, endCoords.left), + bottom: Math.max(coords.bottom, endCoords.bottom) + margin}; + var scrollPos = calculateScrollPos(cm, rect); + var startTop = cm.doc.scrollTop, startLeft = cm.doc.scrollLeft; + if (scrollPos.scrollTop != null) { + updateScrollTop(cm, scrollPos.scrollTop); + if (Math.abs(cm.doc.scrollTop - startTop) > 1) { changed = true; } + } + if (scrollPos.scrollLeft != null) { + setScrollLeft(cm, scrollPos.scrollLeft); + if (Math.abs(cm.doc.scrollLeft - startLeft) > 1) { changed = true; } + } + if (!changed) { break } + } + return rect + } + + // Scroll a given set of coordinates into view (immediately). + function scrollIntoView(cm, rect) { + var scrollPos = calculateScrollPos(cm, rect); + if (scrollPos.scrollTop != null) { updateScrollTop(cm, scrollPos.scrollTop); } + if (scrollPos.scrollLeft != null) { setScrollLeft(cm, scrollPos.scrollLeft); } + } + + // Calculate a new scroll position needed to scroll the given + // rectangle into view. Returns an object with scrollTop and + // scrollLeft properties. When these are undefined, the + // vertical/horizontal position does not need to be adjusted. + function calculateScrollPos(cm, rect) { + var display = cm.display, snapMargin = textHeight(cm.display); + if (rect.top < 0) { rect.top = 0; } + var screentop = cm.curOp && cm.curOp.scrollTop != null ? cm.curOp.scrollTop : display.scroller.scrollTop; + var screen = displayHeight(cm), result = {}; + if (rect.bottom - rect.top > screen) { rect.bottom = rect.top + screen; } + var docBottom = cm.doc.height + paddingVert(display); + var atTop = rect.top < snapMargin, atBottom = rect.bottom > docBottom - snapMargin; + if (rect.top < screentop) { + result.scrollTop = atTop ? 0 : rect.top; + } else if (rect.bottom > screentop + screen) { + var newTop = Math.min(rect.top, (atBottom ? docBottom : rect.bottom) - screen); + if (newTop != screentop) { result.scrollTop = newTop; } + } + + var gutterSpace = cm.options.fixedGutter ? 0 : display.gutters.offsetWidth; + var screenleft = cm.curOp && cm.curOp.scrollLeft != null ? cm.curOp.scrollLeft : display.scroller.scrollLeft - gutterSpace; + var screenw = displayWidth(cm) - display.gutters.offsetWidth; + var tooWide = rect.right - rect.left > screenw; + if (tooWide) { rect.right = rect.left + screenw; } + if (rect.left < 10) + { result.scrollLeft = 0; } + else if (rect.left < screenleft) + { result.scrollLeft = Math.max(0, rect.left + gutterSpace - (tooWide ? 0 : 10)); } + else if (rect.right > screenw + screenleft - 3) + { result.scrollLeft = rect.right + (tooWide ? 0 : 10) - screenw; } + return result + } + + // Store a relative adjustment to the scroll position in the current + // operation (to be applied when the operation finishes). + function addToScrollTop(cm, top) { + if (top == null) { return } + resolveScrollToPos(cm); + cm.curOp.scrollTop = (cm.curOp.scrollTop == null ? cm.doc.scrollTop : cm.curOp.scrollTop) + top; + } + + // Make sure that at the end of the operation the current cursor is + // shown. + function ensureCursorVisible(cm) { + resolveScrollToPos(cm); + var cur = cm.getCursor(); + cm.curOp.scrollToPos = {from: cur, to: cur, margin: cm.options.cursorScrollMargin}; + } + + function scrollToCoords(cm, x, y) { + if (x != null || y != null) { resolveScrollToPos(cm); } + if (x != null) { cm.curOp.scrollLeft = x; } + if (y != null) { cm.curOp.scrollTop = y; } + } + + function scrollToRange(cm, range) { + resolveScrollToPos(cm); + cm.curOp.scrollToPos = range; + } + + // When an operation has its scrollToPos property set, and another + // scroll action is applied before the end of the operation, this + // 'simulates' scrolling that position into view in a cheap way, so + // that the effect of intermediate scroll commands is not ignored. + function resolveScrollToPos(cm) { + var range = cm.curOp.scrollToPos; + if (range) { + cm.curOp.scrollToPos = null; + var from = estimateCoords(cm, range.from), to = estimateCoords(cm, range.to); + scrollToCoordsRange(cm, from, to, range.margin); + } + } + + function scrollToCoordsRange(cm, from, to, margin) { + var sPos = calculateScrollPos(cm, { + left: Math.min(from.left, to.left), + top: Math.min(from.top, to.top) - margin, + right: Math.max(from.right, to.right), + bottom: Math.max(from.bottom, to.bottom) + margin + }); + scrollToCoords(cm, sPos.scrollLeft, sPos.scrollTop); + } + + // Sync the scrollable area and scrollbars, ensure the viewport + // covers the visible area. + function updateScrollTop(cm, val) { + if (Math.abs(cm.doc.scrollTop - val) < 2) { return } + if (!gecko) { updateDisplaySimple(cm, {top: val}); } + setScrollTop(cm, val, true); + if (gecko) { updateDisplaySimple(cm); } + startWorker(cm, 100); + } + + function setScrollTop(cm, val, forceScroll) { + val = Math.max(0, Math.min(cm.display.scroller.scrollHeight - cm.display.scroller.clientHeight, val)); + if (cm.display.scroller.scrollTop == val && !forceScroll) { return } + cm.doc.scrollTop = val; + cm.display.scrollbars.setScrollTop(val); + if (cm.display.scroller.scrollTop != val) { cm.display.scroller.scrollTop = val; } + } + + // Sync scroller and scrollbar, ensure the gutter elements are + // aligned. + function setScrollLeft(cm, val, isScroller, forceScroll) { + val = Math.max(0, Math.min(val, cm.display.scroller.scrollWidth - cm.display.scroller.clientWidth)); + if ((isScroller ? val == cm.doc.scrollLeft : Math.abs(cm.doc.scrollLeft - val) < 2) && !forceScroll) { return } + cm.doc.scrollLeft = val; + alignHorizontally(cm); + if (cm.display.scroller.scrollLeft != val) { cm.display.scroller.scrollLeft = val; } + cm.display.scrollbars.setScrollLeft(val); + } + + // SCROLLBARS + + // Prepare DOM reads needed to update the scrollbars. Done in one + // shot to minimize update/measure roundtrips. + function measureForScrollbars(cm) { + var d = cm.display, gutterW = d.gutters.offsetWidth; + var docH = Math.round(cm.doc.height + paddingVert(cm.display)); + return { + clientHeight: d.scroller.clientHeight, + viewHeight: d.wrapper.clientHeight, + scrollWidth: d.scroller.scrollWidth, clientWidth: d.scroller.clientWidth, + viewWidth: d.wrapper.clientWidth, + barLeft: cm.options.fixedGutter ? gutterW : 0, + docHeight: docH, + scrollHeight: docH + scrollGap(cm) + d.barHeight, + nativeBarWidth: d.nativeBarWidth, + gutterWidth: gutterW + } + } + + var NativeScrollbars = function(place, scroll, cm) { + this.cm = cm; + var vert = this.vert = elt("div", [elt("div", null, null, "min-width: 1px")], "CodeMirror-vscrollbar"); + var horiz = this.horiz = elt("div", [elt("div", null, null, "height: 100%; min-height: 1px")], "CodeMirror-hscrollbar"); + vert.tabIndex = horiz.tabIndex = -1; + place(vert); place(horiz); + + on(vert, "scroll", function () { + if (vert.clientHeight) { scroll(vert.scrollTop, "vertical"); } + }); + on(horiz, "scroll", function () { + if (horiz.clientWidth) { scroll(horiz.scrollLeft, "horizontal"); } + }); + + this.checkedZeroWidth = false; + // Need to set a minimum width to see the scrollbar on IE7 (but must not set it on IE8). + if (ie && ie_version < 8) { this.horiz.style.minHeight = this.vert.style.minWidth = "18px"; } + }; + + NativeScrollbars.prototype.update = function (measure) { + var needsH = measure.scrollWidth > measure.clientWidth + 1; + var needsV = measure.scrollHeight > measure.clientHeight + 1; + var sWidth = measure.nativeBarWidth; + + if (needsV) { + this.vert.style.display = "block"; + this.vert.style.bottom = needsH ? sWidth + "px" : "0"; + var totalHeight = measure.viewHeight - (needsH ? sWidth : 0); + // A bug in IE8 can cause this value to be negative, so guard it. + this.vert.firstChild.style.height = + Math.max(0, measure.scrollHeight - measure.clientHeight + totalHeight) + "px"; + } else { + this.vert.scrollTop = 0; + this.vert.style.display = ""; + this.vert.firstChild.style.height = "0"; + } + + if (needsH) { + this.horiz.style.display = "block"; + this.horiz.style.right = needsV ? sWidth + "px" : "0"; + this.horiz.style.left = measure.barLeft + "px"; + var totalWidth = measure.viewWidth - measure.barLeft - (needsV ? sWidth : 0); + this.horiz.firstChild.style.width = + Math.max(0, measure.scrollWidth - measure.clientWidth + totalWidth) + "px"; + } else { + this.horiz.style.display = ""; + this.horiz.firstChild.style.width = "0"; + } + + if (!this.checkedZeroWidth && measure.clientHeight > 0) { + if (sWidth == 0) { this.zeroWidthHack(); } + this.checkedZeroWidth = true; + } + + return {right: needsV ? sWidth : 0, bottom: needsH ? sWidth : 0} + }; + + NativeScrollbars.prototype.setScrollLeft = function (pos) { + if (this.horiz.scrollLeft != pos) { this.horiz.scrollLeft = pos; } + if (this.disableHoriz) { this.enableZeroWidthBar(this.horiz, this.disableHoriz, "horiz"); } + }; + + NativeScrollbars.prototype.setScrollTop = function (pos) { + if (this.vert.scrollTop != pos) { this.vert.scrollTop = pos; } + if (this.disableVert) { this.enableZeroWidthBar(this.vert, this.disableVert, "vert"); } + }; + + NativeScrollbars.prototype.zeroWidthHack = function () { + var w = mac && !mac_geMountainLion ? "12px" : "18px"; + this.horiz.style.height = this.vert.style.width = w; + this.horiz.style.visibility = this.vert.style.visibility = "hidden"; + this.disableHoriz = new Delayed; + this.disableVert = new Delayed; + }; + + NativeScrollbars.prototype.enableZeroWidthBar = function (bar, delay, type) { + bar.style.visibility = ""; + function maybeDisable() { + // To find out whether the scrollbar is still visible, we + // check whether the element under the pixel in the bottom + // right corner of the scrollbar box is the scrollbar box + // itself (when the bar is still visible) or its filler child + // (when the bar is hidden). If it is still visible, we keep + // it enabled, if it's hidden, we disable pointer events. + var box = bar.getBoundingClientRect(); + var elt = type == "vert" ? document.elementFromPoint(box.right - 1, (box.top + box.bottom) / 2) + : document.elementFromPoint((box.right + box.left) / 2, box.bottom - 1); + if (elt != bar) { bar.style.visibility = "hidden"; } + else { delay.set(1000, maybeDisable); } + } + delay.set(1000, maybeDisable); + }; + + NativeScrollbars.prototype.clear = function () { + var parent = this.horiz.parentNode; + parent.removeChild(this.horiz); + parent.removeChild(this.vert); + }; + + var NullScrollbars = function () {}; + + NullScrollbars.prototype.update = function () { return {bottom: 0, right: 0} }; + NullScrollbars.prototype.setScrollLeft = function () {}; + NullScrollbars.prototype.setScrollTop = function () {}; + NullScrollbars.prototype.clear = function () {}; + + function updateScrollbars(cm, measure) { + if (!measure) { measure = measureForScrollbars(cm); } + var startWidth = cm.display.barWidth, startHeight = cm.display.barHeight; + updateScrollbarsInner(cm, measure); + for (var i = 0; i < 4 && startWidth != cm.display.barWidth || startHeight != cm.display.barHeight; i++) { + if (startWidth != cm.display.barWidth && cm.options.lineWrapping) + { updateHeightsInViewport(cm); } + updateScrollbarsInner(cm, measureForScrollbars(cm)); + startWidth = cm.display.barWidth; startHeight = cm.display.barHeight; + } + } + + // Re-synchronize the fake scrollbars with the actual size of the + // content. + function updateScrollbarsInner(cm, measure) { + var d = cm.display; + var sizes = d.scrollbars.update(measure); + + d.sizer.style.paddingRight = (d.barWidth = sizes.right) + "px"; + d.sizer.style.paddingBottom = (d.barHeight = sizes.bottom) + "px"; + d.heightForcer.style.borderBottom = sizes.bottom + "px solid transparent"; + + if (sizes.right && sizes.bottom) { + d.scrollbarFiller.style.display = "block"; + d.scrollbarFiller.style.height = sizes.bottom + "px"; + d.scrollbarFiller.style.width = sizes.right + "px"; + } else { d.scrollbarFiller.style.display = ""; } + if (sizes.bottom && cm.options.coverGutterNextToScrollbar && cm.options.fixedGutter) { + d.gutterFiller.style.display = "block"; + d.gutterFiller.style.height = sizes.bottom + "px"; + d.gutterFiller.style.width = measure.gutterWidth + "px"; + } else { d.gutterFiller.style.display = ""; } + } + + var scrollbarModel = {"native": NativeScrollbars, "null": NullScrollbars}; + + function initScrollbars(cm) { + if (cm.display.scrollbars) { + cm.display.scrollbars.clear(); + if (cm.display.scrollbars.addClass) + { rmClass(cm.display.wrapper, cm.display.scrollbars.addClass); } + } + + cm.display.scrollbars = new scrollbarModel[cm.options.scrollbarStyle](function (node) { + cm.display.wrapper.insertBefore(node, cm.display.scrollbarFiller); + // Prevent clicks in the scrollbars from killing focus + on(node, "mousedown", function () { + if (cm.state.focused) { setTimeout(function () { return cm.display.input.focus(); }, 0); } + }); + node.setAttribute("cm-not-content", "true"); + }, function (pos, axis) { + if (axis == "horizontal") { setScrollLeft(cm, pos); } + else { updateScrollTop(cm, pos); } + }, cm); + if (cm.display.scrollbars.addClass) + { addClass(cm.display.wrapper, cm.display.scrollbars.addClass); } + } + + // Operations are used to wrap a series of changes to the editor + // state in such a way that each change won't have to update the + // cursor and display (which would be awkward, slow, and + // error-prone). Instead, display updates are batched and then all + // combined and executed at once. + + var nextOpId = 0; + // Start a new operation. + function startOperation(cm) { + cm.curOp = { + cm: cm, + viewChanged: false, // Flag that indicates that lines might need to be redrawn + startHeight: cm.doc.height, // Used to detect need to update scrollbar + forceUpdate: false, // Used to force a redraw + updateInput: 0, // Whether to reset the input textarea + typing: false, // Whether this reset should be careful to leave existing text (for compositing) + changeObjs: null, // Accumulated changes, for firing change events + cursorActivityHandlers: null, // Set of handlers to fire cursorActivity on + cursorActivityCalled: 0, // Tracks which cursorActivity handlers have been called already + selectionChanged: false, // Whether the selection needs to be redrawn + updateMaxLine: false, // Set when the widest line needs to be determined anew + scrollLeft: null, scrollTop: null, // Intermediate scroll position, not pushed to DOM yet + scrollToPos: null, // Used to scroll to a specific position + focus: false, + id: ++nextOpId, // Unique ID + markArrays: null // Used by addMarkedSpan + }; + pushOperation(cm.curOp); + } + + // Finish an operation, updating the display and signalling delayed events + function endOperation(cm) { + var op = cm.curOp; + if (op) { finishOperation(op, function (group) { + for (var i = 0; i < group.ops.length; i++) + { group.ops[i].cm.curOp = null; } + endOperations(group); + }); } + } + + // The DOM updates done when an operation finishes are batched so + // that the minimum number of relayouts are required. + function endOperations(group) { + var ops = group.ops; + for (var i = 0; i < ops.length; i++) // Read DOM + { endOperation_R1(ops[i]); } + for (var i$1 = 0; i$1 < ops.length; i$1++) // Write DOM (maybe) + { endOperation_W1(ops[i$1]); } + for (var i$2 = 0; i$2 < ops.length; i$2++) // Read DOM + { endOperation_R2(ops[i$2]); } + for (var i$3 = 0; i$3 < ops.length; i$3++) // Write DOM (maybe) + { endOperation_W2(ops[i$3]); } + for (var i$4 = 0; i$4 < ops.length; i$4++) // Read DOM + { endOperation_finish(ops[i$4]); } + } + + function endOperation_R1(op) { + var cm = op.cm, display = cm.display; + maybeClipScrollbars(cm); + if (op.updateMaxLine) { findMaxLine(cm); } + + op.mustUpdate = op.viewChanged || op.forceUpdate || op.scrollTop != null || + op.scrollToPos && (op.scrollToPos.from.line < display.viewFrom || + op.scrollToPos.to.line >= display.viewTo) || + display.maxLineChanged && cm.options.lineWrapping; + op.update = op.mustUpdate && + new DisplayUpdate(cm, op.mustUpdate && {top: op.scrollTop, ensure: op.scrollToPos}, op.forceUpdate); + } + + function endOperation_W1(op) { + op.updatedDisplay = op.mustUpdate && updateDisplayIfNeeded(op.cm, op.update); + } + + function endOperation_R2(op) { + var cm = op.cm, display = cm.display; + if (op.updatedDisplay) { updateHeightsInViewport(cm); } + + op.barMeasure = measureForScrollbars(cm); + + // If the max line changed since it was last measured, measure it, + // and ensure the document's width matches it. + // updateDisplay_W2 will use these properties to do the actual resizing + if (display.maxLineChanged && !cm.options.lineWrapping) { + op.adjustWidthTo = measureChar(cm, display.maxLine, display.maxLine.text.length).left + 3; + cm.display.sizerWidth = op.adjustWidthTo; + op.barMeasure.scrollWidth = + Math.max(display.scroller.clientWidth, display.sizer.offsetLeft + op.adjustWidthTo + scrollGap(cm) + cm.display.barWidth); + op.maxScrollLeft = Math.max(0, display.sizer.offsetLeft + op.adjustWidthTo - displayWidth(cm)); + } + + if (op.updatedDisplay || op.selectionChanged) + { op.preparedSelection = display.input.prepareSelection(); } + } + + function endOperation_W2(op) { + var cm = op.cm; + + if (op.adjustWidthTo != null) { + cm.display.sizer.style.minWidth = op.adjustWidthTo + "px"; + if (op.maxScrollLeft < cm.doc.scrollLeft) + { setScrollLeft(cm, Math.min(cm.display.scroller.scrollLeft, op.maxScrollLeft), true); } + cm.display.maxLineChanged = false; + } + + var takeFocus = op.focus && op.focus == activeElt(root(cm)); + if (op.preparedSelection) + { cm.display.input.showSelection(op.preparedSelection, takeFocus); } + if (op.updatedDisplay || op.startHeight != cm.doc.height) + { updateScrollbars(cm, op.barMeasure); } + if (op.updatedDisplay) + { setDocumentHeight(cm, op.barMeasure); } + + if (op.selectionChanged) { restartBlink(cm); } + + if (cm.state.focused && op.updateInput) + { cm.display.input.reset(op.typing); } + if (takeFocus) { ensureFocus(op.cm); } + } + + function endOperation_finish(op) { + var cm = op.cm, display = cm.display, doc = cm.doc; + + if (op.updatedDisplay) { postUpdateDisplay(cm, op.update); } + + // Abort mouse wheel delta measurement, when scrolling explicitly + if (display.wheelStartX != null && (op.scrollTop != null || op.scrollLeft != null || op.scrollToPos)) + { display.wheelStartX = display.wheelStartY = null; } + + // Propagate the scroll position to the actual DOM scroller + if (op.scrollTop != null) { setScrollTop(cm, op.scrollTop, op.forceScroll); } + + if (op.scrollLeft != null) { setScrollLeft(cm, op.scrollLeft, true, true); } + // If we need to scroll a specific position into view, do so. + if (op.scrollToPos) { + var rect = scrollPosIntoView(cm, clipPos(doc, op.scrollToPos.from), + clipPos(doc, op.scrollToPos.to), op.scrollToPos.margin); + maybeScrollWindow(cm, rect); + } + + // Fire events for markers that are hidden/unidden by editing or + // undoing + var hidden = op.maybeHiddenMarkers, unhidden = op.maybeUnhiddenMarkers; + if (hidden) { for (var i = 0; i < hidden.length; ++i) + { if (!hidden[i].lines.length) { signal(hidden[i], "hide"); } } } + if (unhidden) { for (var i$1 = 0; i$1 < unhidden.length; ++i$1) + { if (unhidden[i$1].lines.length) { signal(unhidden[i$1], "unhide"); } } } + + if (display.wrapper.offsetHeight) + { doc.scrollTop = cm.display.scroller.scrollTop; } + + // Fire change events, and delayed event handlers + if (op.changeObjs) + { signal(cm, "changes", cm, op.changeObjs); } + if (op.update) + { op.update.finish(); } + } + + // Run the given function in an operation + function runInOp(cm, f) { + if (cm.curOp) { return f() } + startOperation(cm); + try { return f() } + finally { endOperation(cm); } + } + // Wraps a function in an operation. Returns the wrapped function. + function operation(cm, f) { + return function() { + if (cm.curOp) { return f.apply(cm, arguments) } + startOperation(cm); + try { return f.apply(cm, arguments) } + finally { endOperation(cm); } + } + } + // Used to add methods to editor and doc instances, wrapping them in + // operations. + function methodOp(f) { + return function() { + if (this.curOp) { return f.apply(this, arguments) } + startOperation(this); + try { return f.apply(this, arguments) } + finally { endOperation(this); } + } + } + function docMethodOp(f) { + return function() { + var cm = this.cm; + if (!cm || cm.curOp) { return f.apply(this, arguments) } + startOperation(cm); + try { return f.apply(this, arguments) } + finally { endOperation(cm); } + } + } + + // HIGHLIGHT WORKER + + function startWorker(cm, time) { + if (cm.doc.highlightFrontier < cm.display.viewTo) + { cm.state.highlight.set(time, bind(highlightWorker, cm)); } + } + + function highlightWorker(cm) { + var doc = cm.doc; + if (doc.highlightFrontier >= cm.display.viewTo) { return } + var end = +new Date + cm.options.workTime; + var context = getContextBefore(cm, doc.highlightFrontier); + var changedLines = []; + + doc.iter(context.line, Math.min(doc.first + doc.size, cm.display.viewTo + 500), function (line) { + if (context.line >= cm.display.viewFrom) { // Visible + var oldStyles = line.styles; + var resetState = line.text.length > cm.options.maxHighlightLength ? copyState(doc.mode, context.state) : null; + var highlighted = highlightLine(cm, line, context, true); + if (resetState) { context.state = resetState; } + line.styles = highlighted.styles; + var oldCls = line.styleClasses, newCls = highlighted.classes; + if (newCls) { line.styleClasses = newCls; } + else if (oldCls) { line.styleClasses = null; } + var ischange = !oldStyles || oldStyles.length != line.styles.length || + oldCls != newCls && (!oldCls || !newCls || oldCls.bgClass != newCls.bgClass || oldCls.textClass != newCls.textClass); + for (var i = 0; !ischange && i < oldStyles.length; ++i) { ischange = oldStyles[i] != line.styles[i]; } + if (ischange) { changedLines.push(context.line); } + line.stateAfter = context.save(); + context.nextLine(); + } else { + if (line.text.length <= cm.options.maxHighlightLength) + { processLine(cm, line.text, context); } + line.stateAfter = context.line % 5 == 0 ? context.save() : null; + context.nextLine(); + } + if (+new Date > end) { + startWorker(cm, cm.options.workDelay); + return true + } + }); + doc.highlightFrontier = context.line; + doc.modeFrontier = Math.max(doc.modeFrontier, context.line); + if (changedLines.length) { runInOp(cm, function () { + for (var i = 0; i < changedLines.length; i++) + { regLineChange(cm, changedLines[i], "text"); } + }); } + } + + // DISPLAY DRAWING + + var DisplayUpdate = function(cm, viewport, force) { + var display = cm.display; + + this.viewport = viewport; + // Store some values that we'll need later (but don't want to force a relayout for) + this.visible = visibleLines(display, cm.doc, viewport); + this.editorIsHidden = !display.wrapper.offsetWidth; + this.wrapperHeight = display.wrapper.clientHeight; + this.wrapperWidth = display.wrapper.clientWidth; + this.oldDisplayWidth = displayWidth(cm); + this.force = force; + this.dims = getDimensions(cm); + this.events = []; + }; + + DisplayUpdate.prototype.signal = function (emitter, type) { + if (hasHandler(emitter, type)) + { this.events.push(arguments); } + }; + DisplayUpdate.prototype.finish = function () { + for (var i = 0; i < this.events.length; i++) + { signal.apply(null, this.events[i]); } + }; + + function maybeClipScrollbars(cm) { + var display = cm.display; + if (!display.scrollbarsClipped && display.scroller.offsetWidth) { + display.nativeBarWidth = display.scroller.offsetWidth - display.scroller.clientWidth; + display.heightForcer.style.height = scrollGap(cm) + "px"; + display.sizer.style.marginBottom = -display.nativeBarWidth + "px"; + display.sizer.style.borderRightWidth = scrollGap(cm) + "px"; + display.scrollbarsClipped = true; + } + } + + function selectionSnapshot(cm) { + if (cm.hasFocus()) { return null } + var active = activeElt(root(cm)); + if (!active || !contains(cm.display.lineDiv, active)) { return null } + var result = {activeElt: active}; + if (window.getSelection) { + var sel = win(cm).getSelection(); + if (sel.anchorNode && sel.extend && contains(cm.display.lineDiv, sel.anchorNode)) { + result.anchorNode = sel.anchorNode; + result.anchorOffset = sel.anchorOffset; + result.focusNode = sel.focusNode; + result.focusOffset = sel.focusOffset; + } + } + return result + } + + function restoreSelection(snapshot) { + if (!snapshot || !snapshot.activeElt || snapshot.activeElt == activeElt(rootNode(snapshot.activeElt))) { return } + snapshot.activeElt.focus(); + if (!/^(INPUT|TEXTAREA)$/.test(snapshot.activeElt.nodeName) && + snapshot.anchorNode && contains(document.body, snapshot.anchorNode) && contains(document.body, snapshot.focusNode)) { + var doc = snapshot.activeElt.ownerDocument; + var sel = doc.defaultView.getSelection(), range = doc.createRange(); + range.setEnd(snapshot.anchorNode, snapshot.anchorOffset); + range.collapse(false); + sel.removeAllRanges(); + sel.addRange(range); + sel.extend(snapshot.focusNode, snapshot.focusOffset); + } + } + + // Does the actual updating of the line display. Bails out + // (returning false) when there is nothing to be done and forced is + // false. + function updateDisplayIfNeeded(cm, update) { + var display = cm.display, doc = cm.doc; + + if (update.editorIsHidden) { + resetView(cm); + return false + } + + // Bail out if the visible area is already rendered and nothing changed. + if (!update.force && + update.visible.from >= display.viewFrom && update.visible.to <= display.viewTo && + (display.updateLineNumbers == null || display.updateLineNumbers >= display.viewTo) && + display.renderedView == display.view && countDirtyView(cm) == 0) + { return false } + + if (maybeUpdateLineNumberWidth(cm)) { + resetView(cm); + update.dims = getDimensions(cm); + } + + // Compute a suitable new viewport (from & to) + var end = doc.first + doc.size; + var from = Math.max(update.visible.from - cm.options.viewportMargin, doc.first); + var to = Math.min(end, update.visible.to + cm.options.viewportMargin); + if (display.viewFrom < from && from - display.viewFrom < 20) { from = Math.max(doc.first, display.viewFrom); } + if (display.viewTo > to && display.viewTo - to < 20) { to = Math.min(end, display.viewTo); } + if (sawCollapsedSpans) { + from = visualLineNo(cm.doc, from); + to = visualLineEndNo(cm.doc, to); + } + + var different = from != display.viewFrom || to != display.viewTo || + display.lastWrapHeight != update.wrapperHeight || display.lastWrapWidth != update.wrapperWidth; + adjustView(cm, from, to); + + display.viewOffset = heightAtLine(getLine(cm.doc, display.viewFrom)); + // Position the mover div to align with the current scroll position + cm.display.mover.style.top = display.viewOffset + "px"; + + var toUpdate = countDirtyView(cm); + if (!different && toUpdate == 0 && !update.force && display.renderedView == display.view && + (display.updateLineNumbers == null || display.updateLineNumbers >= display.viewTo)) + { return false } + + // For big changes, we hide the enclosing element during the + // update, since that speeds up the operations on most browsers. + var selSnapshot = selectionSnapshot(cm); + if (toUpdate > 4) { display.lineDiv.style.display = "none"; } + patchDisplay(cm, display.updateLineNumbers, update.dims); + if (toUpdate > 4) { display.lineDiv.style.display = ""; } + display.renderedView = display.view; + // There might have been a widget with a focused element that got + // hidden or updated, if so re-focus it. + restoreSelection(selSnapshot); + + // Prevent selection and cursors from interfering with the scroll + // width and height. + removeChildren(display.cursorDiv); + removeChildren(display.selectionDiv); + display.gutters.style.height = display.sizer.style.minHeight = 0; + + if (different) { + display.lastWrapHeight = update.wrapperHeight; + display.lastWrapWidth = update.wrapperWidth; + startWorker(cm, 400); + } + + display.updateLineNumbers = null; + + return true + } + + function postUpdateDisplay(cm, update) { + var viewport = update.viewport; + + for (var first = true;; first = false) { + if (!first || !cm.options.lineWrapping || update.oldDisplayWidth == displayWidth(cm)) { + // Clip forced viewport to actual scrollable area. + if (viewport && viewport.top != null) + { viewport = {top: Math.min(cm.doc.height + paddingVert(cm.display) - displayHeight(cm), viewport.top)}; } + // Updated line heights might result in the drawn area not + // actually covering the viewport. Keep looping until it does. + update.visible = visibleLines(cm.display, cm.doc, viewport); + if (update.visible.from >= cm.display.viewFrom && update.visible.to <= cm.display.viewTo) + { break } + } else if (first) { + update.visible = visibleLines(cm.display, cm.doc, viewport); + } + if (!updateDisplayIfNeeded(cm, update)) { break } + updateHeightsInViewport(cm); + var barMeasure = measureForScrollbars(cm); + updateSelection(cm); + updateScrollbars(cm, barMeasure); + setDocumentHeight(cm, barMeasure); + update.force = false; + } + + update.signal(cm, "update", cm); + if (cm.display.viewFrom != cm.display.reportedViewFrom || cm.display.viewTo != cm.display.reportedViewTo) { + update.signal(cm, "viewportChange", cm, cm.display.viewFrom, cm.display.viewTo); + cm.display.reportedViewFrom = cm.display.viewFrom; cm.display.reportedViewTo = cm.display.viewTo; + } + } + + function updateDisplaySimple(cm, viewport) { + var update = new DisplayUpdate(cm, viewport); + if (updateDisplayIfNeeded(cm, update)) { + updateHeightsInViewport(cm); + postUpdateDisplay(cm, update); + var barMeasure = measureForScrollbars(cm); + updateSelection(cm); + updateScrollbars(cm, barMeasure); + setDocumentHeight(cm, barMeasure); + update.finish(); + } + } + + // Sync the actual display DOM structure with display.view, removing + // nodes for lines that are no longer in view, and creating the ones + // that are not there yet, and updating the ones that are out of + // date. + function patchDisplay(cm, updateNumbersFrom, dims) { + var display = cm.display, lineNumbers = cm.options.lineNumbers; + var container = display.lineDiv, cur = container.firstChild; + + function rm(node) { + var next = node.nextSibling; + // Works around a throw-scroll bug in OS X Webkit + if (webkit && mac && cm.display.currentWheelTarget == node) + { node.style.display = "none"; } + else + { node.parentNode.removeChild(node); } + return next + } + + var view = display.view, lineN = display.viewFrom; + // Loop over the elements in the view, syncing cur (the DOM nodes + // in display.lineDiv) with the view as we go. + for (var i = 0; i < view.length; i++) { + var lineView = view[i]; + if (lineView.hidden) ; else if (!lineView.node || lineView.node.parentNode != container) { // Not drawn yet + var node = buildLineElement(cm, lineView, lineN, dims); + container.insertBefore(node, cur); + } else { // Already drawn + while (cur != lineView.node) { cur = rm(cur); } + var updateNumber = lineNumbers && updateNumbersFrom != null && + updateNumbersFrom <= lineN && lineView.lineNumber; + if (lineView.changes) { + if (indexOf(lineView.changes, "gutter") > -1) { updateNumber = false; } + updateLineForChanges(cm, lineView, lineN, dims); + } + if (updateNumber) { + removeChildren(lineView.lineNumber); + lineView.lineNumber.appendChild(document.createTextNode(lineNumberFor(cm.options, lineN))); + } + cur = lineView.node.nextSibling; + } + lineN += lineView.size; + } + while (cur) { cur = rm(cur); } + } + + function updateGutterSpace(display) { + var width = display.gutters.offsetWidth; + display.sizer.style.marginLeft = width + "px"; + // Send an event to consumers responding to changes in gutter width. + signalLater(display, "gutterChanged", display); + } + + function setDocumentHeight(cm, measure) { + cm.display.sizer.style.minHeight = measure.docHeight + "px"; + cm.display.heightForcer.style.top = measure.docHeight + "px"; + cm.display.gutters.style.height = (measure.docHeight + cm.display.barHeight + scrollGap(cm)) + "px"; + } + + // Re-align line numbers and gutter marks to compensate for + // horizontal scrolling. + function alignHorizontally(cm) { + var display = cm.display, view = display.view; + if (!display.alignWidgets && (!display.gutters.firstChild || !cm.options.fixedGutter)) { return } + var comp = compensateForHScroll(display) - display.scroller.scrollLeft + cm.doc.scrollLeft; + var gutterW = display.gutters.offsetWidth, left = comp + "px"; + for (var i = 0; i < view.length; i++) { if (!view[i].hidden) { + if (cm.options.fixedGutter) { + if (view[i].gutter) + { view[i].gutter.style.left = left; } + if (view[i].gutterBackground) + { view[i].gutterBackground.style.left = left; } + } + var align = view[i].alignable; + if (align) { for (var j = 0; j < align.length; j++) + { align[j].style.left = left; } } + } } + if (cm.options.fixedGutter) + { display.gutters.style.left = (comp + gutterW) + "px"; } + } + + // Used to ensure that the line number gutter is still the right + // size for the current document size. Returns true when an update + // is needed. + function maybeUpdateLineNumberWidth(cm) { + if (!cm.options.lineNumbers) { return false } + var doc = cm.doc, last = lineNumberFor(cm.options, doc.first + doc.size - 1), display = cm.display; + if (last.length != display.lineNumChars) { + var test = display.measure.appendChild(elt("div", [elt("div", last)], + "CodeMirror-linenumber CodeMirror-gutter-elt")); + var innerW = test.firstChild.offsetWidth, padding = test.offsetWidth - innerW; + display.lineGutter.style.width = ""; + display.lineNumInnerWidth = Math.max(innerW, display.lineGutter.offsetWidth - padding) + 1; + display.lineNumWidth = display.lineNumInnerWidth + padding; + display.lineNumChars = display.lineNumInnerWidth ? last.length : -1; + display.lineGutter.style.width = display.lineNumWidth + "px"; + updateGutterSpace(cm.display); + return true + } + return false + } + + function getGutters(gutters, lineNumbers) { + var result = [], sawLineNumbers = false; + for (var i = 0; i < gutters.length; i++) { + var name = gutters[i], style = null; + if (typeof name != "string") { style = name.style; name = name.className; } + if (name == "CodeMirror-linenumbers") { + if (!lineNumbers) { continue } + else { sawLineNumbers = true; } + } + result.push({className: name, style: style}); + } + if (lineNumbers && !sawLineNumbers) { result.push({className: "CodeMirror-linenumbers", style: null}); } + return result + } + + // Rebuild the gutter elements, ensure the margin to the left of the + // code matches their width. + function renderGutters(display) { + var gutters = display.gutters, specs = display.gutterSpecs; + removeChildren(gutters); + display.lineGutter = null; + for (var i = 0; i < specs.length; ++i) { + var ref = specs[i]; + var className = ref.className; + var style = ref.style; + var gElt = gutters.appendChild(elt("div", null, "CodeMirror-gutter " + className)); + if (style) { gElt.style.cssText = style; } + if (className == "CodeMirror-linenumbers") { + display.lineGutter = gElt; + gElt.style.width = (display.lineNumWidth || 1) + "px"; + } + } + gutters.style.display = specs.length ? "" : "none"; + updateGutterSpace(display); + } + + function updateGutters(cm) { + renderGutters(cm.display); + regChange(cm); + alignHorizontally(cm); + } + + // The display handles the DOM integration, both for input reading + // and content drawing. It holds references to DOM nodes and + // display-related state. + + function Display(place, doc, input, options) { + var d = this; + this.input = input; + + // Covers bottom-right square when both scrollbars are present. + d.scrollbarFiller = elt("div", null, "CodeMirror-scrollbar-filler"); + d.scrollbarFiller.setAttribute("cm-not-content", "true"); + // Covers bottom of gutter when coverGutterNextToScrollbar is on + // and h scrollbar is present. + d.gutterFiller = elt("div", null, "CodeMirror-gutter-filler"); + d.gutterFiller.setAttribute("cm-not-content", "true"); + // Will contain the actual code, positioned to cover the viewport. + d.lineDiv = eltP("div", null, "CodeMirror-code"); + // Elements are added to these to represent selection and cursors. + d.selectionDiv = elt("div", null, null, "position: relative; z-index: 1"); + d.cursorDiv = elt("div", null, "CodeMirror-cursors"); + // A visibility: hidden element used to find the size of things. + d.measure = elt("div", null, "CodeMirror-measure"); + // When lines outside of the viewport are measured, they are drawn in this. + d.lineMeasure = elt("div", null, "CodeMirror-measure"); + // Wraps everything that needs to exist inside the vertically-padded coordinate system + d.lineSpace = eltP("div", [d.measure, d.lineMeasure, d.selectionDiv, d.cursorDiv, d.lineDiv], + null, "position: relative; outline: none"); + var lines = eltP("div", [d.lineSpace], "CodeMirror-lines"); + // Moved around its parent to cover visible view. + d.mover = elt("div", [lines], null, "position: relative"); + // Set to the height of the document, allowing scrolling. + d.sizer = elt("div", [d.mover], "CodeMirror-sizer"); + d.sizerWidth = null; + // Behavior of elts with overflow: auto and padding is + // inconsistent across browsers. This is used to ensure the + // scrollable area is big enough. + d.heightForcer = elt("div", null, null, "position: absolute; height: " + scrollerGap + "px; width: 1px;"); + // Will contain the gutters, if any. + d.gutters = elt("div", null, "CodeMirror-gutters"); + d.lineGutter = null; + // Actual scrollable element. + d.scroller = elt("div", [d.sizer, d.heightForcer, d.gutters], "CodeMirror-scroll"); + d.scroller.setAttribute("tabIndex", "-1"); + // The element in which the editor lives. + d.wrapper = elt("div", [d.scrollbarFiller, d.gutterFiller, d.scroller], "CodeMirror"); + // See #6982. FIXME remove when this has been fixed for a while in Chrome + if (chrome && chrome_version >= 105) { d.wrapper.style.clipPath = "inset(0px)"; } + + // This attribute is respected by automatic translation systems such as Google Translate, + // and may also be respected by tools used by human translators. + d.wrapper.setAttribute('translate', 'no'); + + // Work around IE7 z-index bug (not perfect, hence IE7 not really being supported) + if (ie && ie_version < 8) { d.gutters.style.zIndex = -1; d.scroller.style.paddingRight = 0; } + if (!webkit && !(gecko && mobile)) { d.scroller.draggable = true; } + + if (place) { + if (place.appendChild) { place.appendChild(d.wrapper); } + else { place(d.wrapper); } + } + + // Current rendered range (may be bigger than the view window). + d.viewFrom = d.viewTo = doc.first; + d.reportedViewFrom = d.reportedViewTo = doc.first; + // Information about the rendered lines. + d.view = []; + d.renderedView = null; + // Holds info about a single rendered line when it was rendered + // for measurement, while not in view. + d.externalMeasured = null; + // Empty space (in pixels) above the view + d.viewOffset = 0; + d.lastWrapHeight = d.lastWrapWidth = 0; + d.updateLineNumbers = null; + + d.nativeBarWidth = d.barHeight = d.barWidth = 0; + d.scrollbarsClipped = false; + + // Used to only resize the line number gutter when necessary (when + // the amount of lines crosses a boundary that makes its width change) + d.lineNumWidth = d.lineNumInnerWidth = d.lineNumChars = null; + // Set to true when a non-horizontal-scrolling line widget is + // added. As an optimization, line widget aligning is skipped when + // this is false. + d.alignWidgets = false; + + d.cachedCharWidth = d.cachedTextHeight = d.cachedPaddingH = null; + + // Tracks the maximum line length so that the horizontal scrollbar + // can be kept static when scrolling. + d.maxLine = null; + d.maxLineLength = 0; + d.maxLineChanged = false; + + // Used for measuring wheel scrolling granularity + d.wheelDX = d.wheelDY = d.wheelStartX = d.wheelStartY = null; + + // True when shift is held down. + d.shift = false; + + // Used to track whether anything happened since the context menu + // was opened. + d.selForContextMenu = null; + + d.activeTouch = null; + + d.gutterSpecs = getGutters(options.gutters, options.lineNumbers); + renderGutters(d); + + input.init(d); + } + + // Since the delta values reported on mouse wheel events are + // unstandardized between browsers and even browser versions, and + // generally horribly unpredictable, this code starts by measuring + // the scroll effect that the first few mouse wheel events have, + // and, from that, detects the way it can convert deltas to pixel + // offsets afterwards. + // + // The reason we want to know the amount a wheel event will scroll + // is that it gives us a chance to update the display before the + // actual scrolling happens, reducing flickering. + + var wheelSamples = 0, wheelPixelsPerUnit = null; + // Fill in a browser-detected starting value on browsers where we + // know one. These don't have to be accurate -- the result of them + // being wrong would just be a slight flicker on the first wheel + // scroll (if it is large enough). + if (ie) { wheelPixelsPerUnit = -.53; } + else if (gecko) { wheelPixelsPerUnit = 15; } + else if (chrome) { wheelPixelsPerUnit = -.7; } + else if (safari) { wheelPixelsPerUnit = -1/3; } + + function wheelEventDelta(e) { + var dx = e.wheelDeltaX, dy = e.wheelDeltaY; + if (dx == null && e.detail && e.axis == e.HORIZONTAL_AXIS) { dx = e.detail; } + if (dy == null && e.detail && e.axis == e.VERTICAL_AXIS) { dy = e.detail; } + else if (dy == null) { dy = e.wheelDelta; } + return {x: dx, y: dy} + } + function wheelEventPixels(e) { + var delta = wheelEventDelta(e); + delta.x *= wheelPixelsPerUnit; + delta.y *= wheelPixelsPerUnit; + return delta + } + + function onScrollWheel(cm, e) { + // On Chrome 102, viewport updates somehow stop wheel-based + // scrolling. Turning off pointer events during the scroll seems + // to avoid the issue. + if (chrome && chrome_version == 102) { + if (cm.display.chromeScrollHack == null) { cm.display.sizer.style.pointerEvents = "none"; } + else { clearTimeout(cm.display.chromeScrollHack); } + cm.display.chromeScrollHack = setTimeout(function () { + cm.display.chromeScrollHack = null; + cm.display.sizer.style.pointerEvents = ""; + }, 100); + } + var delta = wheelEventDelta(e), dx = delta.x, dy = delta.y; + var pixelsPerUnit = wheelPixelsPerUnit; + if (e.deltaMode === 0) { + dx = e.deltaX; + dy = e.deltaY; + pixelsPerUnit = 1; + } + + var display = cm.display, scroll = display.scroller; + // Quit if there's nothing to scroll here + var canScrollX = scroll.scrollWidth > scroll.clientWidth; + var canScrollY = scroll.scrollHeight > scroll.clientHeight; + if (!(dx && canScrollX || dy && canScrollY)) { return } + + // Webkit browsers on OS X abort momentum scrolls when the target + // of the scroll event is removed from the scrollable element. + // This hack (see related code in patchDisplay) makes sure the + // element is kept around. + if (dy && mac && webkit) { + outer: for (var cur = e.target, view = display.view; cur != scroll; cur = cur.parentNode) { + for (var i = 0; i < view.length; i++) { + if (view[i].node == cur) { + cm.display.currentWheelTarget = cur; + break outer + } + } + } + } + + // On some browsers, horizontal scrolling will cause redraws to + // happen before the gutter has been realigned, causing it to + // wriggle around in a most unseemly way. When we have an + // estimated pixels/delta value, we just handle horizontal + // scrolling entirely here. It'll be slightly off from native, but + // better than glitching out. + if (dx && !gecko && !presto && pixelsPerUnit != null) { + if (dy && canScrollY) + { updateScrollTop(cm, Math.max(0, scroll.scrollTop + dy * pixelsPerUnit)); } + setScrollLeft(cm, Math.max(0, scroll.scrollLeft + dx * pixelsPerUnit)); + // Only prevent default scrolling if vertical scrolling is + // actually possible. Otherwise, it causes vertical scroll + // jitter on OSX trackpads when deltaX is small and deltaY + // is large (issue #3579) + if (!dy || (dy && canScrollY)) + { e_preventDefault(e); } + display.wheelStartX = null; // Abort measurement, if in progress + return + } + + // 'Project' the visible viewport to cover the area that is being + // scrolled into view (if we know enough to estimate it). + if (dy && pixelsPerUnit != null) { + var pixels = dy * pixelsPerUnit; + var top = cm.doc.scrollTop, bot = top + display.wrapper.clientHeight; + if (pixels < 0) { top = Math.max(0, top + pixels - 50); } + else { bot = Math.min(cm.doc.height, bot + pixels + 50); } + updateDisplaySimple(cm, {top: top, bottom: bot}); + } + + if (wheelSamples < 20 && e.deltaMode !== 0) { + if (display.wheelStartX == null) { + display.wheelStartX = scroll.scrollLeft; display.wheelStartY = scroll.scrollTop; + display.wheelDX = dx; display.wheelDY = dy; + setTimeout(function () { + if (display.wheelStartX == null) { return } + var movedX = scroll.scrollLeft - display.wheelStartX; + var movedY = scroll.scrollTop - display.wheelStartY; + var sample = (movedY && display.wheelDY && movedY / display.wheelDY) || + (movedX && display.wheelDX && movedX / display.wheelDX); + display.wheelStartX = display.wheelStartY = null; + if (!sample) { return } + wheelPixelsPerUnit = (wheelPixelsPerUnit * wheelSamples + sample) / (wheelSamples + 1); + ++wheelSamples; + }, 200); + } else { + display.wheelDX += dx; display.wheelDY += dy; + } + } + } + + // Selection objects are immutable. A new one is created every time + // the selection changes. A selection is one or more non-overlapping + // (and non-touching) ranges, sorted, and an integer that indicates + // which one is the primary selection (the one that's scrolled into + // view, that getCursor returns, etc). + var Selection = function(ranges, primIndex) { + this.ranges = ranges; + this.primIndex = primIndex; + }; + + Selection.prototype.primary = function () { return this.ranges[this.primIndex] }; + + Selection.prototype.equals = function (other) { + if (other == this) { return true } + if (other.primIndex != this.primIndex || other.ranges.length != this.ranges.length) { return false } + for (var i = 0; i < this.ranges.length; i++) { + var here = this.ranges[i], there = other.ranges[i]; + if (!equalCursorPos(here.anchor, there.anchor) || !equalCursorPos(here.head, there.head)) { return false } + } + return true + }; + + Selection.prototype.deepCopy = function () { + var out = []; + for (var i = 0; i < this.ranges.length; i++) + { out[i] = new Range(copyPos(this.ranges[i].anchor), copyPos(this.ranges[i].head)); } + return new Selection(out, this.primIndex) + }; + + Selection.prototype.somethingSelected = function () { + for (var i = 0; i < this.ranges.length; i++) + { if (!this.ranges[i].empty()) { return true } } + return false + }; + + Selection.prototype.contains = function (pos, end) { + if (!end) { end = pos; } + for (var i = 0; i < this.ranges.length; i++) { + var range = this.ranges[i]; + if (cmp(end, range.from()) >= 0 && cmp(pos, range.to()) <= 0) + { return i } + } + return -1 + }; + + var Range = function(anchor, head) { + this.anchor = anchor; this.head = head; + }; + + Range.prototype.from = function () { return minPos(this.anchor, this.head) }; + Range.prototype.to = function () { return maxPos(this.anchor, this.head) }; + Range.prototype.empty = function () { return this.head.line == this.anchor.line && this.head.ch == this.anchor.ch }; + + // Take an unsorted, potentially overlapping set of ranges, and + // build a selection out of it. 'Consumes' ranges array (modifying + // it). + function normalizeSelection(cm, ranges, primIndex) { + var mayTouch = cm && cm.options.selectionsMayTouch; + var prim = ranges[primIndex]; + ranges.sort(function (a, b) { return cmp(a.from(), b.from()); }); + primIndex = indexOf(ranges, prim); + for (var i = 1; i < ranges.length; i++) { + var cur = ranges[i], prev = ranges[i - 1]; + var diff = cmp(prev.to(), cur.from()); + if (mayTouch && !cur.empty() ? diff > 0 : diff >= 0) { + var from = minPos(prev.from(), cur.from()), to = maxPos(prev.to(), cur.to()); + var inv = prev.empty() ? cur.from() == cur.head : prev.from() == prev.head; + if (i <= primIndex) { --primIndex; } + ranges.splice(--i, 2, new Range(inv ? to : from, inv ? from : to)); + } + } + return new Selection(ranges, primIndex) + } + + function simpleSelection(anchor, head) { + return new Selection([new Range(anchor, head || anchor)], 0) + } + + // Compute the position of the end of a change (its 'to' property + // refers to the pre-change end). + function changeEnd(change) { + if (!change.text) { return change.to } + return Pos(change.from.line + change.text.length - 1, + lst(change.text).length + (change.text.length == 1 ? change.from.ch : 0)) + } + + // Adjust a position to refer to the post-change position of the + // same text, or the end of the change if the change covers it. + function adjustForChange(pos, change) { + if (cmp(pos, change.from) < 0) { return pos } + if (cmp(pos, change.to) <= 0) { return changeEnd(change) } + + var line = pos.line + change.text.length - (change.to.line - change.from.line) - 1, ch = pos.ch; + if (pos.line == change.to.line) { ch += changeEnd(change).ch - change.to.ch; } + return Pos(line, ch) + } + + function computeSelAfterChange(doc, change) { + var out = []; + for (var i = 0; i < doc.sel.ranges.length; i++) { + var range = doc.sel.ranges[i]; + out.push(new Range(adjustForChange(range.anchor, change), + adjustForChange(range.head, change))); + } + return normalizeSelection(doc.cm, out, doc.sel.primIndex) + } + + function offsetPos(pos, old, nw) { + if (pos.line == old.line) + { return Pos(nw.line, pos.ch - old.ch + nw.ch) } + else + { return Pos(nw.line + (pos.line - old.line), pos.ch) } + } + + // Used by replaceSelections to allow moving the selection to the + // start or around the replaced test. Hint may be "start" or "around". + function computeReplacedSel(doc, changes, hint) { + var out = []; + var oldPrev = Pos(doc.first, 0), newPrev = oldPrev; + for (var i = 0; i < changes.length; i++) { + var change = changes[i]; + var from = offsetPos(change.from, oldPrev, newPrev); + var to = offsetPos(changeEnd(change), oldPrev, newPrev); + oldPrev = change.to; + newPrev = to; + if (hint == "around") { + var range = doc.sel.ranges[i], inv = cmp(range.head, range.anchor) < 0; + out[i] = new Range(inv ? to : from, inv ? from : to); + } else { + out[i] = new Range(from, from); + } + } + return new Selection(out, doc.sel.primIndex) + } + + // Used to get the editor into a consistent state again when options change. + + function loadMode(cm) { + cm.doc.mode = getMode(cm.options, cm.doc.modeOption); + resetModeState(cm); + } + + function resetModeState(cm) { + cm.doc.iter(function (line) { + if (line.stateAfter) { line.stateAfter = null; } + if (line.styles) { line.styles = null; } + }); + cm.doc.modeFrontier = cm.doc.highlightFrontier = cm.doc.first; + startWorker(cm, 100); + cm.state.modeGen++; + if (cm.curOp) { regChange(cm); } + } + + // DOCUMENT DATA STRUCTURE + + // By default, updates that start and end at the beginning of a line + // are treated specially, in order to make the association of line + // widgets and marker elements with the text behave more intuitive. + function isWholeLineUpdate(doc, change) { + return change.from.ch == 0 && change.to.ch == 0 && lst(change.text) == "" && + (!doc.cm || doc.cm.options.wholeLineUpdateBefore) + } + + // Perform a change on the document data structure. + function updateDoc(doc, change, markedSpans, estimateHeight) { + function spansFor(n) {return markedSpans ? markedSpans[n] : null} + function update(line, text, spans) { + updateLine(line, text, spans, estimateHeight); + signalLater(line, "change", line, change); + } + function linesFor(start, end) { + var result = []; + for (var i = start; i < end; ++i) + { result.push(new Line(text[i], spansFor(i), estimateHeight)); } + return result + } + + var from = change.from, to = change.to, text = change.text; + var firstLine = getLine(doc, from.line), lastLine = getLine(doc, to.line); + var lastText = lst(text), lastSpans = spansFor(text.length - 1), nlines = to.line - from.line; + + // Adjust the line structure + if (change.full) { + doc.insert(0, linesFor(0, text.length)); + doc.remove(text.length, doc.size - text.length); + } else if (isWholeLineUpdate(doc, change)) { + // This is a whole-line replace. Treated specially to make + // sure line objects move the way they are supposed to. + var added = linesFor(0, text.length - 1); + update(lastLine, lastLine.text, lastSpans); + if (nlines) { doc.remove(from.line, nlines); } + if (added.length) { doc.insert(from.line, added); } + } else if (firstLine == lastLine) { + if (text.length == 1) { + update(firstLine, firstLine.text.slice(0, from.ch) + lastText + firstLine.text.slice(to.ch), lastSpans); + } else { + var added$1 = linesFor(1, text.length - 1); + added$1.push(new Line(lastText + firstLine.text.slice(to.ch), lastSpans, estimateHeight)); + update(firstLine, firstLine.text.slice(0, from.ch) + text[0], spansFor(0)); + doc.insert(from.line + 1, added$1); + } + } else if (text.length == 1) { + update(firstLine, firstLine.text.slice(0, from.ch) + text[0] + lastLine.text.slice(to.ch), spansFor(0)); + doc.remove(from.line + 1, nlines); + } else { + update(firstLine, firstLine.text.slice(0, from.ch) + text[0], spansFor(0)); + update(lastLine, lastText + lastLine.text.slice(to.ch), lastSpans); + var added$2 = linesFor(1, text.length - 1); + if (nlines > 1) { doc.remove(from.line + 1, nlines - 1); } + doc.insert(from.line + 1, added$2); + } + + signalLater(doc, "change", doc, change); + } + + // Call f for all linked documents. + function linkedDocs(doc, f, sharedHistOnly) { + function propagate(doc, skip, sharedHist) { + if (doc.linked) { for (var i = 0; i < doc.linked.length; ++i) { + var rel = doc.linked[i]; + if (rel.doc == skip) { continue } + var shared = sharedHist && rel.sharedHist; + if (sharedHistOnly && !shared) { continue } + f(rel.doc, shared); + propagate(rel.doc, doc, shared); + } } + } + propagate(doc, null, true); + } + + // Attach a document to an editor. + function attachDoc(cm, doc) { + if (doc.cm) { throw new Error("This document is already in use.") } + cm.doc = doc; + doc.cm = cm; + estimateLineHeights(cm); + loadMode(cm); + setDirectionClass(cm); + cm.options.direction = doc.direction; + if (!cm.options.lineWrapping) { findMaxLine(cm); } + cm.options.mode = doc.modeOption; + regChange(cm); + } + + function setDirectionClass(cm) { + (cm.doc.direction == "rtl" ? addClass : rmClass)(cm.display.lineDiv, "CodeMirror-rtl"); + } + + function directionChanged(cm) { + runInOp(cm, function () { + setDirectionClass(cm); + regChange(cm); + }); + } + + function History(prev) { + // Arrays of change events and selections. Doing something adds an + // event to done and clears undo. Undoing moves events from done + // to undone, redoing moves them in the other direction. + this.done = []; this.undone = []; + this.undoDepth = prev ? prev.undoDepth : Infinity; + // Used to track when changes can be merged into a single undo + // event + this.lastModTime = this.lastSelTime = 0; + this.lastOp = this.lastSelOp = null; + this.lastOrigin = this.lastSelOrigin = null; + // Used by the isClean() method + this.generation = this.maxGeneration = prev ? prev.maxGeneration : 1; + } + + // Create a history change event from an updateDoc-style change + // object. + function historyChangeFromChange(doc, change) { + var histChange = {from: copyPos(change.from), to: changeEnd(change), text: getBetween(doc, change.from, change.to)}; + attachLocalSpans(doc, histChange, change.from.line, change.to.line + 1); + linkedDocs(doc, function (doc) { return attachLocalSpans(doc, histChange, change.from.line, change.to.line + 1); }, true); + return histChange + } + + // Pop all selection events off the end of a history array. Stop at + // a change event. + function clearSelectionEvents(array) { + while (array.length) { + var last = lst(array); + if (last.ranges) { array.pop(); } + else { break } + } + } + + // Find the top change event in the history. Pop off selection + // events that are in the way. + function lastChangeEvent(hist, force) { + if (force) { + clearSelectionEvents(hist.done); + return lst(hist.done) + } else if (hist.done.length && !lst(hist.done).ranges) { + return lst(hist.done) + } else if (hist.done.length > 1 && !hist.done[hist.done.length - 2].ranges) { + hist.done.pop(); + return lst(hist.done) + } + } + + // Register a change in the history. Merges changes that are within + // a single operation, or are close together with an origin that + // allows merging (starting with "+") into a single event. + function addChangeToHistory(doc, change, selAfter, opId) { + var hist = doc.history; + hist.undone.length = 0; + var time = +new Date, cur; + var last; + + if ((hist.lastOp == opId || + hist.lastOrigin == change.origin && change.origin && + ((change.origin.charAt(0) == "+" && hist.lastModTime > time - (doc.cm ? doc.cm.options.historyEventDelay : 500)) || + change.origin.charAt(0) == "*")) && + (cur = lastChangeEvent(hist, hist.lastOp == opId))) { + // Merge this change into the last event + last = lst(cur.changes); + if (cmp(change.from, change.to) == 0 && cmp(change.from, last.to) == 0) { + // Optimized case for simple insertion -- don't want to add + // new changesets for every character typed + last.to = changeEnd(change); + } else { + // Add new sub-event + cur.changes.push(historyChangeFromChange(doc, change)); + } + } else { + // Can not be merged, start a new event. + var before = lst(hist.done); + if (!before || !before.ranges) + { pushSelectionToHistory(doc.sel, hist.done); } + cur = {changes: [historyChangeFromChange(doc, change)], + generation: hist.generation}; + hist.done.push(cur); + while (hist.done.length > hist.undoDepth) { + hist.done.shift(); + if (!hist.done[0].ranges) { hist.done.shift(); } + } + } + hist.done.push(selAfter); + hist.generation = ++hist.maxGeneration; + hist.lastModTime = hist.lastSelTime = time; + hist.lastOp = hist.lastSelOp = opId; + hist.lastOrigin = hist.lastSelOrigin = change.origin; + + if (!last) { signal(doc, "historyAdded"); } + } + + function selectionEventCanBeMerged(doc, origin, prev, sel) { + var ch = origin.charAt(0); + return ch == "*" || + ch == "+" && + prev.ranges.length == sel.ranges.length && + prev.somethingSelected() == sel.somethingSelected() && + new Date - doc.history.lastSelTime <= (doc.cm ? doc.cm.options.historyEventDelay : 500) + } + + // Called whenever the selection changes, sets the new selection as + // the pending selection in the history, and pushes the old pending + // selection into the 'done' array when it was significantly + // different (in number of selected ranges, emptiness, or time). + function addSelectionToHistory(doc, sel, opId, options) { + var hist = doc.history, origin = options && options.origin; + + // A new event is started when the previous origin does not match + // the current, or the origins don't allow matching. Origins + // starting with * are always merged, those starting with + are + // merged when similar and close together in time. + if (opId == hist.lastSelOp || + (origin && hist.lastSelOrigin == origin && + (hist.lastModTime == hist.lastSelTime && hist.lastOrigin == origin || + selectionEventCanBeMerged(doc, origin, lst(hist.done), sel)))) + { hist.done[hist.done.length - 1] = sel; } + else + { pushSelectionToHistory(sel, hist.done); } + + hist.lastSelTime = +new Date; + hist.lastSelOrigin = origin; + hist.lastSelOp = opId; + if (options && options.clearRedo !== false) + { clearSelectionEvents(hist.undone); } + } + + function pushSelectionToHistory(sel, dest) { + var top = lst(dest); + if (!(top && top.ranges && top.equals(sel))) + { dest.push(sel); } + } + + // Used to store marked span information in the history. + function attachLocalSpans(doc, change, from, to) { + var existing = change["spans_" + doc.id], n = 0; + doc.iter(Math.max(doc.first, from), Math.min(doc.first + doc.size, to), function (line) { + if (line.markedSpans) + { (existing || (existing = change["spans_" + doc.id] = {}))[n] = line.markedSpans; } + ++n; + }); + } + + // When un/re-doing restores text containing marked spans, those + // that have been explicitly cleared should not be restored. + function removeClearedSpans(spans) { + if (!spans) { return null } + var out; + for (var i = 0; i < spans.length; ++i) { + if (spans[i].marker.explicitlyCleared) { if (!out) { out = spans.slice(0, i); } } + else if (out) { out.push(spans[i]); } + } + return !out ? spans : out.length ? out : null + } + + // Retrieve and filter the old marked spans stored in a change event. + function getOldSpans(doc, change) { + var found = change["spans_" + doc.id]; + if (!found) { return null } + var nw = []; + for (var i = 0; i < change.text.length; ++i) + { nw.push(removeClearedSpans(found[i])); } + return nw + } + + // Used for un/re-doing changes from the history. Combines the + // result of computing the existing spans with the set of spans that + // existed in the history (so that deleting around a span and then + // undoing brings back the span). + function mergeOldSpans(doc, change) { + var old = getOldSpans(doc, change); + var stretched = stretchSpansOverChange(doc, change); + if (!old) { return stretched } + if (!stretched) { return old } + + for (var i = 0; i < old.length; ++i) { + var oldCur = old[i], stretchCur = stretched[i]; + if (oldCur && stretchCur) { + spans: for (var j = 0; j < stretchCur.length; ++j) { + var span = stretchCur[j]; + for (var k = 0; k < oldCur.length; ++k) + { if (oldCur[k].marker == span.marker) { continue spans } } + oldCur.push(span); + } + } else if (stretchCur) { + old[i] = stretchCur; + } + } + return old + } + + // Used both to provide a JSON-safe object in .getHistory, and, when + // detaching a document, to split the history in two + function copyHistoryArray(events, newGroup, instantiateSel) { + var copy = []; + for (var i = 0; i < events.length; ++i) { + var event = events[i]; + if (event.ranges) { + copy.push(instantiateSel ? Selection.prototype.deepCopy.call(event) : event); + continue + } + var changes = event.changes, newChanges = []; + copy.push({changes: newChanges}); + for (var j = 0; j < changes.length; ++j) { + var change = changes[j], m = (void 0); + newChanges.push({from: change.from, to: change.to, text: change.text}); + if (newGroup) { for (var prop in change) { if (m = prop.match(/^spans_(\d+)$/)) { + if (indexOf(newGroup, Number(m[1])) > -1) { + lst(newChanges)[prop] = change[prop]; + delete change[prop]; + } + } } } + } + } + return copy + } + + // The 'scroll' parameter given to many of these indicated whether + // the new cursor position should be scrolled into view after + // modifying the selection. + + // If shift is held or the extend flag is set, extends a range to + // include a given position (and optionally a second position). + // Otherwise, simply returns the range between the given positions. + // Used for cursor motion and such. + function extendRange(range, head, other, extend) { + if (extend) { + var anchor = range.anchor; + if (other) { + var posBefore = cmp(head, anchor) < 0; + if (posBefore != (cmp(other, anchor) < 0)) { + anchor = head; + head = other; + } else if (posBefore != (cmp(head, other) < 0)) { + head = other; + } + } + return new Range(anchor, head) + } else { + return new Range(other || head, head) + } + } + + // Extend the primary selection range, discard the rest. + function extendSelection(doc, head, other, options, extend) { + if (extend == null) { extend = doc.cm && (doc.cm.display.shift || doc.extend); } + setSelection(doc, new Selection([extendRange(doc.sel.primary(), head, other, extend)], 0), options); + } + + // Extend all selections (pos is an array of selections with length + // equal the number of selections) + function extendSelections(doc, heads, options) { + var out = []; + var extend = doc.cm && (doc.cm.display.shift || doc.extend); + for (var i = 0; i < doc.sel.ranges.length; i++) + { out[i] = extendRange(doc.sel.ranges[i], heads[i], null, extend); } + var newSel = normalizeSelection(doc.cm, out, doc.sel.primIndex); + setSelection(doc, newSel, options); + } + + // Updates a single range in the selection. + function replaceOneSelection(doc, i, range, options) { + var ranges = doc.sel.ranges.slice(0); + ranges[i] = range; + setSelection(doc, normalizeSelection(doc.cm, ranges, doc.sel.primIndex), options); + } + + // Reset the selection to a single range. + function setSimpleSelection(doc, anchor, head, options) { + setSelection(doc, simpleSelection(anchor, head), options); + } + + // Give beforeSelectionChange handlers a change to influence a + // selection update. + function filterSelectionChange(doc, sel, options) { + var obj = { + ranges: sel.ranges, + update: function(ranges) { + this.ranges = []; + for (var i = 0; i < ranges.length; i++) + { this.ranges[i] = new Range(clipPos(doc, ranges[i].anchor), + clipPos(doc, ranges[i].head)); } + }, + origin: options && options.origin + }; + signal(doc, "beforeSelectionChange", doc, obj); + if (doc.cm) { signal(doc.cm, "beforeSelectionChange", doc.cm, obj); } + if (obj.ranges != sel.ranges) { return normalizeSelection(doc.cm, obj.ranges, obj.ranges.length - 1) } + else { return sel } + } + + function setSelectionReplaceHistory(doc, sel, options) { + var done = doc.history.done, last = lst(done); + if (last && last.ranges) { + done[done.length - 1] = sel; + setSelectionNoUndo(doc, sel, options); + } else { + setSelection(doc, sel, options); + } + } + + // Set a new selection. + function setSelection(doc, sel, options) { + setSelectionNoUndo(doc, sel, options); + addSelectionToHistory(doc, doc.sel, doc.cm ? doc.cm.curOp.id : NaN, options); + } + + function setSelectionNoUndo(doc, sel, options) { + if (hasHandler(doc, "beforeSelectionChange") || doc.cm && hasHandler(doc.cm, "beforeSelectionChange")) + { sel = filterSelectionChange(doc, sel, options); } + + var bias = options && options.bias || + (cmp(sel.primary().head, doc.sel.primary().head) < 0 ? -1 : 1); + setSelectionInner(doc, skipAtomicInSelection(doc, sel, bias, true)); + + if (!(options && options.scroll === false) && doc.cm && doc.cm.getOption("readOnly") != "nocursor") + { ensureCursorVisible(doc.cm); } + } + + function setSelectionInner(doc, sel) { + if (sel.equals(doc.sel)) { return } + + doc.sel = sel; + + if (doc.cm) { + doc.cm.curOp.updateInput = 1; + doc.cm.curOp.selectionChanged = true; + signalCursorActivity(doc.cm); + } + signalLater(doc, "cursorActivity", doc); + } + + // Verify that the selection does not partially select any atomic + // marked ranges. + function reCheckSelection(doc) { + setSelectionInner(doc, skipAtomicInSelection(doc, doc.sel, null, false)); + } + + // Return a selection that does not partially select any atomic + // ranges. + function skipAtomicInSelection(doc, sel, bias, mayClear) { + var out; + for (var i = 0; i < sel.ranges.length; i++) { + var range = sel.ranges[i]; + var old = sel.ranges.length == doc.sel.ranges.length && doc.sel.ranges[i]; + var newAnchor = skipAtomic(doc, range.anchor, old && old.anchor, bias, mayClear); + var newHead = range.head == range.anchor ? newAnchor : skipAtomic(doc, range.head, old && old.head, bias, mayClear); + if (out || newAnchor != range.anchor || newHead != range.head) { + if (!out) { out = sel.ranges.slice(0, i); } + out[i] = new Range(newAnchor, newHead); + } + } + return out ? normalizeSelection(doc.cm, out, sel.primIndex) : sel + } + + function skipAtomicInner(doc, pos, oldPos, dir, mayClear) { + var line = getLine(doc, pos.line); + if (line.markedSpans) { for (var i = 0; i < line.markedSpans.length; ++i) { + var sp = line.markedSpans[i], m = sp.marker; + + // Determine if we should prevent the cursor being placed to the left/right of an atomic marker + // Historically this was determined using the inclusiveLeft/Right option, but the new way to control it + // is with selectLeft/Right + var preventCursorLeft = ("selectLeft" in m) ? !m.selectLeft : m.inclusiveLeft; + var preventCursorRight = ("selectRight" in m) ? !m.selectRight : m.inclusiveRight; + + if ((sp.from == null || (preventCursorLeft ? sp.from <= pos.ch : sp.from < pos.ch)) && + (sp.to == null || (preventCursorRight ? sp.to >= pos.ch : sp.to > pos.ch))) { + if (mayClear) { + signal(m, "beforeCursorEnter"); + if (m.explicitlyCleared) { + if (!line.markedSpans) { break } + else {--i; continue} + } + } + if (!m.atomic) { continue } + + if (oldPos) { + var near = m.find(dir < 0 ? 1 : -1), diff = (void 0); + if (dir < 0 ? preventCursorRight : preventCursorLeft) + { near = movePos(doc, near, -dir, near && near.line == pos.line ? line : null); } + if (near && near.line == pos.line && (diff = cmp(near, oldPos)) && (dir < 0 ? diff < 0 : diff > 0)) + { return skipAtomicInner(doc, near, pos, dir, mayClear) } + } + + var far = m.find(dir < 0 ? -1 : 1); + if (dir < 0 ? preventCursorLeft : preventCursorRight) + { far = movePos(doc, far, dir, far.line == pos.line ? line : null); } + return far ? skipAtomicInner(doc, far, pos, dir, mayClear) : null + } + } } + return pos + } + + // Ensure a given position is not inside an atomic range. + function skipAtomic(doc, pos, oldPos, bias, mayClear) { + var dir = bias || 1; + var found = skipAtomicInner(doc, pos, oldPos, dir, mayClear) || + (!mayClear && skipAtomicInner(doc, pos, oldPos, dir, true)) || + skipAtomicInner(doc, pos, oldPos, -dir, mayClear) || + (!mayClear && skipAtomicInner(doc, pos, oldPos, -dir, true)); + if (!found) { + doc.cantEdit = true; + return Pos(doc.first, 0) + } + return found + } + + function movePos(doc, pos, dir, line) { + if (dir < 0 && pos.ch == 0) { + if (pos.line > doc.first) { return clipPos(doc, Pos(pos.line - 1)) } + else { return null } + } else if (dir > 0 && pos.ch == (line || getLine(doc, pos.line)).text.length) { + if (pos.line < doc.first + doc.size - 1) { return Pos(pos.line + 1, 0) } + else { return null } + } else { + return new Pos(pos.line, pos.ch + dir) + } + } + + function selectAll(cm) { + cm.setSelection(Pos(cm.firstLine(), 0), Pos(cm.lastLine()), sel_dontScroll); + } + + // UPDATING + + // Allow "beforeChange" event handlers to influence a change + function filterChange(doc, change, update) { + var obj = { + canceled: false, + from: change.from, + to: change.to, + text: change.text, + origin: change.origin, + cancel: function () { return obj.canceled = true; } + }; + if (update) { obj.update = function (from, to, text, origin) { + if (from) { obj.from = clipPos(doc, from); } + if (to) { obj.to = clipPos(doc, to); } + if (text) { obj.text = text; } + if (origin !== undefined) { obj.origin = origin; } + }; } + signal(doc, "beforeChange", doc, obj); + if (doc.cm) { signal(doc.cm, "beforeChange", doc.cm, obj); } + + if (obj.canceled) { + if (doc.cm) { doc.cm.curOp.updateInput = 2; } + return null + } + return {from: obj.from, to: obj.to, text: obj.text, origin: obj.origin} + } + + // Apply a change to a document, and add it to the document's + // history, and propagating it to all linked documents. + function makeChange(doc, change, ignoreReadOnly) { + if (doc.cm) { + if (!doc.cm.curOp) { return operation(doc.cm, makeChange)(doc, change, ignoreReadOnly) } + if (doc.cm.state.suppressEdits) { return } + } + + if (hasHandler(doc, "beforeChange") || doc.cm && hasHandler(doc.cm, "beforeChange")) { + change = filterChange(doc, change, true); + if (!change) { return } + } + + // Possibly split or suppress the update based on the presence + // of read-only spans in its range. + var split = sawReadOnlySpans && !ignoreReadOnly && removeReadOnlyRanges(doc, change.from, change.to); + if (split) { + for (var i = split.length - 1; i >= 0; --i) + { makeChangeInner(doc, {from: split[i].from, to: split[i].to, text: i ? [""] : change.text, origin: change.origin}); } + } else { + makeChangeInner(doc, change); + } + } + + function makeChangeInner(doc, change) { + if (change.text.length == 1 && change.text[0] == "" && cmp(change.from, change.to) == 0) { return } + var selAfter = computeSelAfterChange(doc, change); + addChangeToHistory(doc, change, selAfter, doc.cm ? doc.cm.curOp.id : NaN); + + makeChangeSingleDoc(doc, change, selAfter, stretchSpansOverChange(doc, change)); + var rebased = []; + + linkedDocs(doc, function (doc, sharedHist) { + if (!sharedHist && indexOf(rebased, doc.history) == -1) { + rebaseHist(doc.history, change); + rebased.push(doc.history); + } + makeChangeSingleDoc(doc, change, null, stretchSpansOverChange(doc, change)); + }); + } + + // Revert a change stored in a document's history. + function makeChangeFromHistory(doc, type, allowSelectionOnly) { + var suppress = doc.cm && doc.cm.state.suppressEdits; + if (suppress && !allowSelectionOnly) { return } + + var hist = doc.history, event, selAfter = doc.sel; + var source = type == "undo" ? hist.done : hist.undone, dest = type == "undo" ? hist.undone : hist.done; + + // Verify that there is a useable event (so that ctrl-z won't + // needlessly clear selection events) + var i = 0; + for (; i < source.length; i++) { + event = source[i]; + if (allowSelectionOnly ? event.ranges && !event.equals(doc.sel) : !event.ranges) + { break } + } + if (i == source.length) { return } + hist.lastOrigin = hist.lastSelOrigin = null; + + for (;;) { + event = source.pop(); + if (event.ranges) { + pushSelectionToHistory(event, dest); + if (allowSelectionOnly && !event.equals(doc.sel)) { + setSelection(doc, event, {clearRedo: false}); + return + } + selAfter = event; + } else if (suppress) { + source.push(event); + return + } else { break } + } + + // Build up a reverse change object to add to the opposite history + // stack (redo when undoing, and vice versa). + var antiChanges = []; + pushSelectionToHistory(selAfter, dest); + dest.push({changes: antiChanges, generation: hist.generation}); + hist.generation = event.generation || ++hist.maxGeneration; + + var filter = hasHandler(doc, "beforeChange") || doc.cm && hasHandler(doc.cm, "beforeChange"); + + var loop = function ( i ) { + var change = event.changes[i]; + change.origin = type; + if (filter && !filterChange(doc, change, false)) { + source.length = 0; + return {} + } + + antiChanges.push(historyChangeFromChange(doc, change)); + + var after = i ? computeSelAfterChange(doc, change) : lst(source); + makeChangeSingleDoc(doc, change, after, mergeOldSpans(doc, change)); + if (!i && doc.cm) { doc.cm.scrollIntoView({from: change.from, to: changeEnd(change)}); } + var rebased = []; + + // Propagate to the linked documents + linkedDocs(doc, function (doc, sharedHist) { + if (!sharedHist && indexOf(rebased, doc.history) == -1) { + rebaseHist(doc.history, change); + rebased.push(doc.history); + } + makeChangeSingleDoc(doc, change, null, mergeOldSpans(doc, change)); + }); + }; + + for (var i$1 = event.changes.length - 1; i$1 >= 0; --i$1) { + var returned = loop( i$1 ); + + if ( returned ) return returned.v; + } + } + + // Sub-views need their line numbers shifted when text is added + // above or below them in the parent document. + function shiftDoc(doc, distance) { + if (distance == 0) { return } + doc.first += distance; + doc.sel = new Selection(map(doc.sel.ranges, function (range) { return new Range( + Pos(range.anchor.line + distance, range.anchor.ch), + Pos(range.head.line + distance, range.head.ch) + ); }), doc.sel.primIndex); + if (doc.cm) { + regChange(doc.cm, doc.first, doc.first - distance, distance); + for (var d = doc.cm.display, l = d.viewFrom; l < d.viewTo; l++) + { regLineChange(doc.cm, l, "gutter"); } + } + } + + // More lower-level change function, handling only a single document + // (not linked ones). + function makeChangeSingleDoc(doc, change, selAfter, spans) { + if (doc.cm && !doc.cm.curOp) + { return operation(doc.cm, makeChangeSingleDoc)(doc, change, selAfter, spans) } + + if (change.to.line < doc.first) { + shiftDoc(doc, change.text.length - 1 - (change.to.line - change.from.line)); + return + } + if (change.from.line > doc.lastLine()) { return } + + // Clip the change to the size of this doc + if (change.from.line < doc.first) { + var shift = change.text.length - 1 - (doc.first - change.from.line); + shiftDoc(doc, shift); + change = {from: Pos(doc.first, 0), to: Pos(change.to.line + shift, change.to.ch), + text: [lst(change.text)], origin: change.origin}; + } + var last = doc.lastLine(); + if (change.to.line > last) { + change = {from: change.from, to: Pos(last, getLine(doc, last).text.length), + text: [change.text[0]], origin: change.origin}; + } + + change.removed = getBetween(doc, change.from, change.to); + + if (!selAfter) { selAfter = computeSelAfterChange(doc, change); } + if (doc.cm) { makeChangeSingleDocInEditor(doc.cm, change, spans); } + else { updateDoc(doc, change, spans); } + setSelectionNoUndo(doc, selAfter, sel_dontScroll); + + if (doc.cantEdit && skipAtomic(doc, Pos(doc.firstLine(), 0))) + { doc.cantEdit = false; } + } + + // Handle the interaction of a change to a document with the editor + // that this document is part of. + function makeChangeSingleDocInEditor(cm, change, spans) { + var doc = cm.doc, display = cm.display, from = change.from, to = change.to; + + var recomputeMaxLength = false, checkWidthStart = from.line; + if (!cm.options.lineWrapping) { + checkWidthStart = lineNo(visualLine(getLine(doc, from.line))); + doc.iter(checkWidthStart, to.line + 1, function (line) { + if (line == display.maxLine) { + recomputeMaxLength = true; + return true + } + }); + } + + if (doc.sel.contains(change.from, change.to) > -1) + { signalCursorActivity(cm); } + + updateDoc(doc, change, spans, estimateHeight(cm)); + + if (!cm.options.lineWrapping) { + doc.iter(checkWidthStart, from.line + change.text.length, function (line) { + var len = lineLength(line); + if (len > display.maxLineLength) { + display.maxLine = line; + display.maxLineLength = len; + display.maxLineChanged = true; + recomputeMaxLength = false; + } + }); + if (recomputeMaxLength) { cm.curOp.updateMaxLine = true; } + } + + retreatFrontier(doc, from.line); + startWorker(cm, 400); + + var lendiff = change.text.length - (to.line - from.line) - 1; + // Remember that these lines changed, for updating the display + if (change.full) + { regChange(cm); } + else if (from.line == to.line && change.text.length == 1 && !isWholeLineUpdate(cm.doc, change)) + { regLineChange(cm, from.line, "text"); } + else + { regChange(cm, from.line, to.line + 1, lendiff); } + + var changesHandler = hasHandler(cm, "changes"), changeHandler = hasHandler(cm, "change"); + if (changeHandler || changesHandler) { + var obj = { + from: from, to: to, + text: change.text, + removed: change.removed, + origin: change.origin + }; + if (changeHandler) { signalLater(cm, "change", cm, obj); } + if (changesHandler) { (cm.curOp.changeObjs || (cm.curOp.changeObjs = [])).push(obj); } + } + cm.display.selForContextMenu = null; + } + + function replaceRange(doc, code, from, to, origin) { + var assign; + + if (!to) { to = from; } + if (cmp(to, from) < 0) { (assign = [to, from], from = assign[0], to = assign[1]); } + if (typeof code == "string") { code = doc.splitLines(code); } + makeChange(doc, {from: from, to: to, text: code, origin: origin}); + } + + // Rebasing/resetting history to deal with externally-sourced changes + + function rebaseHistSelSingle(pos, from, to, diff) { + if (to < pos.line) { + pos.line += diff; + } else if (from < pos.line) { + pos.line = from; + pos.ch = 0; + } + } + + // Tries to rebase an array of history events given a change in the + // document. If the change touches the same lines as the event, the + // event, and everything 'behind' it, is discarded. If the change is + // before the event, the event's positions are updated. Uses a + // copy-on-write scheme for the positions, to avoid having to + // reallocate them all on every rebase, but also avoid problems with + // shared position objects being unsafely updated. + function rebaseHistArray(array, from, to, diff) { + for (var i = 0; i < array.length; ++i) { + var sub = array[i], ok = true; + if (sub.ranges) { + if (!sub.copied) { sub = array[i] = sub.deepCopy(); sub.copied = true; } + for (var j = 0; j < sub.ranges.length; j++) { + rebaseHistSelSingle(sub.ranges[j].anchor, from, to, diff); + rebaseHistSelSingle(sub.ranges[j].head, from, to, diff); + } + continue + } + for (var j$1 = 0; j$1 < sub.changes.length; ++j$1) { + var cur = sub.changes[j$1]; + if (to < cur.from.line) { + cur.from = Pos(cur.from.line + diff, cur.from.ch); + cur.to = Pos(cur.to.line + diff, cur.to.ch); + } else if (from <= cur.to.line) { + ok = false; + break + } + } + if (!ok) { + array.splice(0, i + 1); + i = 0; + } + } + } + + function rebaseHist(hist, change) { + var from = change.from.line, to = change.to.line, diff = change.text.length - (to - from) - 1; + rebaseHistArray(hist.done, from, to, diff); + rebaseHistArray(hist.undone, from, to, diff); + } + + // Utility for applying a change to a line by handle or number, + // returning the number and optionally registering the line as + // changed. + function changeLine(doc, handle, changeType, op) { + var no = handle, line = handle; + if (typeof handle == "number") { line = getLine(doc, clipLine(doc, handle)); } + else { no = lineNo(handle); } + if (no == null) { return null } + if (op(line, no) && doc.cm) { regLineChange(doc.cm, no, changeType); } + return line + } + + // The document is represented as a BTree consisting of leaves, with + // chunk of lines in them, and branches, with up to ten leaves or + // other branch nodes below them. The top node is always a branch + // node, and is the document object itself (meaning it has + // additional methods and properties). + // + // All nodes have parent links. The tree is used both to go from + // line numbers to line objects, and to go from objects to numbers. + // It also indexes by height, and is used to convert between height + // and line object, and to find the total height of the document. + // + // See also http://marijnhaverbeke.nl/blog/codemirror-line-tree.html + + function LeafChunk(lines) { + this.lines = lines; + this.parent = null; + var height = 0; + for (var i = 0; i < lines.length; ++i) { + lines[i].parent = this; + height += lines[i].height; + } + this.height = height; + } + + LeafChunk.prototype = { + chunkSize: function() { return this.lines.length }, + + // Remove the n lines at offset 'at'. + removeInner: function(at, n) { + for (var i = at, e = at + n; i < e; ++i) { + var line = this.lines[i]; + this.height -= line.height; + cleanUpLine(line); + signalLater(line, "delete"); + } + this.lines.splice(at, n); + }, + + // Helper used to collapse a small branch into a single leaf. + collapse: function(lines) { + lines.push.apply(lines, this.lines); + }, + + // Insert the given array of lines at offset 'at', count them as + // having the given height. + insertInner: function(at, lines, height) { + this.height += height; + this.lines = this.lines.slice(0, at).concat(lines).concat(this.lines.slice(at)); + for (var i = 0; i < lines.length; ++i) { lines[i].parent = this; } + }, + + // Used to iterate over a part of the tree. + iterN: function(at, n, op) { + for (var e = at + n; at < e; ++at) + { if (op(this.lines[at])) { return true } } + } + }; + + function BranchChunk(children) { + this.children = children; + var size = 0, height = 0; + for (var i = 0; i < children.length; ++i) { + var ch = children[i]; + size += ch.chunkSize(); height += ch.height; + ch.parent = this; + } + this.size = size; + this.height = height; + this.parent = null; + } + + BranchChunk.prototype = { + chunkSize: function() { return this.size }, + + removeInner: function(at, n) { + this.size -= n; + for (var i = 0; i < this.children.length; ++i) { + var child = this.children[i], sz = child.chunkSize(); + if (at < sz) { + var rm = Math.min(n, sz - at), oldHeight = child.height; + child.removeInner(at, rm); + this.height -= oldHeight - child.height; + if (sz == rm) { this.children.splice(i--, 1); child.parent = null; } + if ((n -= rm) == 0) { break } + at = 0; + } else { at -= sz; } + } + // If the result is smaller than 25 lines, ensure that it is a + // single leaf node. + if (this.size - n < 25 && + (this.children.length > 1 || !(this.children[0] instanceof LeafChunk))) { + var lines = []; + this.collapse(lines); + this.children = [new LeafChunk(lines)]; + this.children[0].parent = this; + } + }, + + collapse: function(lines) { + for (var i = 0; i < this.children.length; ++i) { this.children[i].collapse(lines); } + }, + + insertInner: function(at, lines, height) { + this.size += lines.length; + this.height += height; + for (var i = 0; i < this.children.length; ++i) { + var child = this.children[i], sz = child.chunkSize(); + if (at <= sz) { + child.insertInner(at, lines, height); + if (child.lines && child.lines.length > 50) { + // To avoid memory thrashing when child.lines is huge (e.g. first view of a large file), it's never spliced. + // Instead, small slices are taken. They're taken in order because sequential memory accesses are fastest. + var remaining = child.lines.length % 25 + 25; + for (var pos = remaining; pos < child.lines.length;) { + var leaf = new LeafChunk(child.lines.slice(pos, pos += 25)); + child.height -= leaf.height; + this.children.splice(++i, 0, leaf); + leaf.parent = this; + } + child.lines = child.lines.slice(0, remaining); + this.maybeSpill(); + } + break + } + at -= sz; + } + }, + + // When a node has grown, check whether it should be split. + maybeSpill: function() { + if (this.children.length <= 10) { return } + var me = this; + do { + var spilled = me.children.splice(me.children.length - 5, 5); + var sibling = new BranchChunk(spilled); + if (!me.parent) { // Become the parent node + var copy = new BranchChunk(me.children); + copy.parent = me; + me.children = [copy, sibling]; + me = copy; + } else { + me.size -= sibling.size; + me.height -= sibling.height; + var myIndex = indexOf(me.parent.children, me); + me.parent.children.splice(myIndex + 1, 0, sibling); + } + sibling.parent = me.parent; + } while (me.children.length > 10) + me.parent.maybeSpill(); + }, + + iterN: function(at, n, op) { + for (var i = 0; i < this.children.length; ++i) { + var child = this.children[i], sz = child.chunkSize(); + if (at < sz) { + var used = Math.min(n, sz - at); + if (child.iterN(at, used, op)) { return true } + if ((n -= used) == 0) { break } + at = 0; + } else { at -= sz; } + } + } + }; + + // Line widgets are block elements displayed above or below a line. + + var LineWidget = function(doc, node, options) { + if (options) { for (var opt in options) { if (options.hasOwnProperty(opt)) + { this[opt] = options[opt]; } } } + this.doc = doc; + this.node = node; + }; + + LineWidget.prototype.clear = function () { + var cm = this.doc.cm, ws = this.line.widgets, line = this.line, no = lineNo(line); + if (no == null || !ws) { return } + for (var i = 0; i < ws.length; ++i) { if (ws[i] == this) { ws.splice(i--, 1); } } + if (!ws.length) { line.widgets = null; } + var height = widgetHeight(this); + updateLineHeight(line, Math.max(0, line.height - height)); + if (cm) { + runInOp(cm, function () { + adjustScrollWhenAboveVisible(cm, line, -height); + regLineChange(cm, no, "widget"); + }); + signalLater(cm, "lineWidgetCleared", cm, this, no); + } + }; + + LineWidget.prototype.changed = function () { + var this$1 = this; + + var oldH = this.height, cm = this.doc.cm, line = this.line; + this.height = null; + var diff = widgetHeight(this) - oldH; + if (!diff) { return } + if (!lineIsHidden(this.doc, line)) { updateLineHeight(line, line.height + diff); } + if (cm) { + runInOp(cm, function () { + cm.curOp.forceUpdate = true; + adjustScrollWhenAboveVisible(cm, line, diff); + signalLater(cm, "lineWidgetChanged", cm, this$1, lineNo(line)); + }); + } + }; + eventMixin(LineWidget); + + function adjustScrollWhenAboveVisible(cm, line, diff) { + if (heightAtLine(line) < ((cm.curOp && cm.curOp.scrollTop) || cm.doc.scrollTop)) + { addToScrollTop(cm, diff); } + } + + function addLineWidget(doc, handle, node, options) { + var widget = new LineWidget(doc, node, options); + var cm = doc.cm; + if (cm && widget.noHScroll) { cm.display.alignWidgets = true; } + changeLine(doc, handle, "widget", function (line) { + var widgets = line.widgets || (line.widgets = []); + if (widget.insertAt == null) { widgets.push(widget); } + else { widgets.splice(Math.min(widgets.length, Math.max(0, widget.insertAt)), 0, widget); } + widget.line = line; + if (cm && !lineIsHidden(doc, line)) { + var aboveVisible = heightAtLine(line) < doc.scrollTop; + updateLineHeight(line, line.height + widgetHeight(widget)); + if (aboveVisible) { addToScrollTop(cm, widget.height); } + cm.curOp.forceUpdate = true; + } + return true + }); + if (cm) { signalLater(cm, "lineWidgetAdded", cm, widget, typeof handle == "number" ? handle : lineNo(handle)); } + return widget + } + + // TEXTMARKERS + + // Created with markText and setBookmark methods. A TextMarker is a + // handle that can be used to clear or find a marked position in the + // document. Line objects hold arrays (markedSpans) containing + // {from, to, marker} object pointing to such marker objects, and + // indicating that such a marker is present on that line. Multiple + // lines may point to the same marker when it spans across lines. + // The spans will have null for their from/to properties when the + // marker continues beyond the start/end of the line. Markers have + // links back to the lines they currently touch. + + // Collapsed markers have unique ids, in order to be able to order + // them, which is needed for uniquely determining an outer marker + // when they overlap (they may nest, but not partially overlap). + var nextMarkerId = 0; + + var TextMarker = function(doc, type) { + this.lines = []; + this.type = type; + this.doc = doc; + this.id = ++nextMarkerId; + }; + + // Clear the marker. + TextMarker.prototype.clear = function () { + if (this.explicitlyCleared) { return } + var cm = this.doc.cm, withOp = cm && !cm.curOp; + if (withOp) { startOperation(cm); } + if (hasHandler(this, "clear")) { + var found = this.find(); + if (found) { signalLater(this, "clear", found.from, found.to); } + } + var min = null, max = null; + for (var i = 0; i < this.lines.length; ++i) { + var line = this.lines[i]; + var span = getMarkedSpanFor(line.markedSpans, this); + if (cm && !this.collapsed) { regLineChange(cm, lineNo(line), "text"); } + else if (cm) { + if (span.to != null) { max = lineNo(line); } + if (span.from != null) { min = lineNo(line); } + } + line.markedSpans = removeMarkedSpan(line.markedSpans, span); + if (span.from == null && this.collapsed && !lineIsHidden(this.doc, line) && cm) + { updateLineHeight(line, textHeight(cm.display)); } + } + if (cm && this.collapsed && !cm.options.lineWrapping) { for (var i$1 = 0; i$1 < this.lines.length; ++i$1) { + var visual = visualLine(this.lines[i$1]), len = lineLength(visual); + if (len > cm.display.maxLineLength) { + cm.display.maxLine = visual; + cm.display.maxLineLength = len; + cm.display.maxLineChanged = true; + } + } } + + if (min != null && cm && this.collapsed) { regChange(cm, min, max + 1); } + this.lines.length = 0; + this.explicitlyCleared = true; + if (this.atomic && this.doc.cantEdit) { + this.doc.cantEdit = false; + if (cm) { reCheckSelection(cm.doc); } + } + if (cm) { signalLater(cm, "markerCleared", cm, this, min, max); } + if (withOp) { endOperation(cm); } + if (this.parent) { this.parent.clear(); } + }; + + // Find the position of the marker in the document. Returns a {from, + // to} object by default. Side can be passed to get a specific side + // -- 0 (both), -1 (left), or 1 (right). When lineObj is true, the + // Pos objects returned contain a line object, rather than a line + // number (used to prevent looking up the same line twice). + TextMarker.prototype.find = function (side, lineObj) { + if (side == null && this.type == "bookmark") { side = 1; } + var from, to; + for (var i = 0; i < this.lines.length; ++i) { + var line = this.lines[i]; + var span = getMarkedSpanFor(line.markedSpans, this); + if (span.from != null) { + from = Pos(lineObj ? line : lineNo(line), span.from); + if (side == -1) { return from } + } + if (span.to != null) { + to = Pos(lineObj ? line : lineNo(line), span.to); + if (side == 1) { return to } + } + } + return from && {from: from, to: to} + }; + + // Signals that the marker's widget changed, and surrounding layout + // should be recomputed. + TextMarker.prototype.changed = function () { + var this$1 = this; + + var pos = this.find(-1, true), widget = this, cm = this.doc.cm; + if (!pos || !cm) { return } + runInOp(cm, function () { + var line = pos.line, lineN = lineNo(pos.line); + var view = findViewForLine(cm, lineN); + if (view) { + clearLineMeasurementCacheFor(view); + cm.curOp.selectionChanged = cm.curOp.forceUpdate = true; + } + cm.curOp.updateMaxLine = true; + if (!lineIsHidden(widget.doc, line) && widget.height != null) { + var oldHeight = widget.height; + widget.height = null; + var dHeight = widgetHeight(widget) - oldHeight; + if (dHeight) + { updateLineHeight(line, line.height + dHeight); } + } + signalLater(cm, "markerChanged", cm, this$1); + }); + }; + + TextMarker.prototype.attachLine = function (line) { + if (!this.lines.length && this.doc.cm) { + var op = this.doc.cm.curOp; + if (!op.maybeHiddenMarkers || indexOf(op.maybeHiddenMarkers, this) == -1) + { (op.maybeUnhiddenMarkers || (op.maybeUnhiddenMarkers = [])).push(this); } + } + this.lines.push(line); + }; + + TextMarker.prototype.detachLine = function (line) { + this.lines.splice(indexOf(this.lines, line), 1); + if (!this.lines.length && this.doc.cm) { + var op = this.doc.cm.curOp + ;(op.maybeHiddenMarkers || (op.maybeHiddenMarkers = [])).push(this); + } + }; + eventMixin(TextMarker); + + // Create a marker, wire it up to the right lines, and + function markText(doc, from, to, options, type) { + // Shared markers (across linked documents) are handled separately + // (markTextShared will call out to this again, once per + // document). + if (options && options.shared) { return markTextShared(doc, from, to, options, type) } + // Ensure we are in an operation. + if (doc.cm && !doc.cm.curOp) { return operation(doc.cm, markText)(doc, from, to, options, type) } + + var marker = new TextMarker(doc, type), diff = cmp(from, to); + if (options) { copyObj(options, marker, false); } + // Don't connect empty markers unless clearWhenEmpty is false + if (diff > 0 || diff == 0 && marker.clearWhenEmpty !== false) + { return marker } + if (marker.replacedWith) { + // Showing up as a widget implies collapsed (widget replaces text) + marker.collapsed = true; + marker.widgetNode = eltP("span", [marker.replacedWith], "CodeMirror-widget"); + if (!options.handleMouseEvents) { marker.widgetNode.setAttribute("cm-ignore-events", "true"); } + if (options.insertLeft) { marker.widgetNode.insertLeft = true; } + } + if (marker.collapsed) { + if (conflictingCollapsedRange(doc, from.line, from, to, marker) || + from.line != to.line && conflictingCollapsedRange(doc, to.line, from, to, marker)) + { throw new Error("Inserting collapsed marker partially overlapping an existing one") } + seeCollapsedSpans(); + } + + if (marker.addToHistory) + { addChangeToHistory(doc, {from: from, to: to, origin: "markText"}, doc.sel, NaN); } + + var curLine = from.line, cm = doc.cm, updateMaxLine; + doc.iter(curLine, to.line + 1, function (line) { + if (cm && marker.collapsed && !cm.options.lineWrapping && visualLine(line) == cm.display.maxLine) + { updateMaxLine = true; } + if (marker.collapsed && curLine != from.line) { updateLineHeight(line, 0); } + addMarkedSpan(line, new MarkedSpan(marker, + curLine == from.line ? from.ch : null, + curLine == to.line ? to.ch : null), doc.cm && doc.cm.curOp); + ++curLine; + }); + // lineIsHidden depends on the presence of the spans, so needs a second pass + if (marker.collapsed) { doc.iter(from.line, to.line + 1, function (line) { + if (lineIsHidden(doc, line)) { updateLineHeight(line, 0); } + }); } + + if (marker.clearOnEnter) { on(marker, "beforeCursorEnter", function () { return marker.clear(); }); } + + if (marker.readOnly) { + seeReadOnlySpans(); + if (doc.history.done.length || doc.history.undone.length) + { doc.clearHistory(); } + } + if (marker.collapsed) { + marker.id = ++nextMarkerId; + marker.atomic = true; + } + if (cm) { + // Sync editor state + if (updateMaxLine) { cm.curOp.updateMaxLine = true; } + if (marker.collapsed) + { regChange(cm, from.line, to.line + 1); } + else if (marker.className || marker.startStyle || marker.endStyle || marker.css || + marker.attributes || marker.title) + { for (var i = from.line; i <= to.line; i++) { regLineChange(cm, i, "text"); } } + if (marker.atomic) { reCheckSelection(cm.doc); } + signalLater(cm, "markerAdded", cm, marker); + } + return marker + } + + // SHARED TEXTMARKERS + + // A shared marker spans multiple linked documents. It is + // implemented as a meta-marker-object controlling multiple normal + // markers. + var SharedTextMarker = function(markers, primary) { + this.markers = markers; + this.primary = primary; + for (var i = 0; i < markers.length; ++i) + { markers[i].parent = this; } + }; + + SharedTextMarker.prototype.clear = function () { + if (this.explicitlyCleared) { return } + this.explicitlyCleared = true; + for (var i = 0; i < this.markers.length; ++i) + { this.markers[i].clear(); } + signalLater(this, "clear"); + }; + + SharedTextMarker.prototype.find = function (side, lineObj) { + return this.primary.find(side, lineObj) + }; + eventMixin(SharedTextMarker); + + function markTextShared(doc, from, to, options, type) { + options = copyObj(options); + options.shared = false; + var markers = [markText(doc, from, to, options, type)], primary = markers[0]; + var widget = options.widgetNode; + linkedDocs(doc, function (doc) { + if (widget) { options.widgetNode = widget.cloneNode(true); } + markers.push(markText(doc, clipPos(doc, from), clipPos(doc, to), options, type)); + for (var i = 0; i < doc.linked.length; ++i) + { if (doc.linked[i].isParent) { return } } + primary = lst(markers); + }); + return new SharedTextMarker(markers, primary) + } + + function findSharedMarkers(doc) { + return doc.findMarks(Pos(doc.first, 0), doc.clipPos(Pos(doc.lastLine())), function (m) { return m.parent; }) + } + + function copySharedMarkers(doc, markers) { + for (var i = 0; i < markers.length; i++) { + var marker = markers[i], pos = marker.find(); + var mFrom = doc.clipPos(pos.from), mTo = doc.clipPos(pos.to); + if (cmp(mFrom, mTo)) { + var subMark = markText(doc, mFrom, mTo, marker.primary, marker.primary.type); + marker.markers.push(subMark); + subMark.parent = marker; + } + } + } + + function detachSharedMarkers(markers) { + var loop = function ( i ) { + var marker = markers[i], linked = [marker.primary.doc]; + linkedDocs(marker.primary.doc, function (d) { return linked.push(d); }); + for (var j = 0; j < marker.markers.length; j++) { + var subMarker = marker.markers[j]; + if (indexOf(linked, subMarker.doc) == -1) { + subMarker.parent = null; + marker.markers.splice(j--, 1); + } + } + }; + + for (var i = 0; i < markers.length; i++) loop( i ); + } + + var nextDocId = 0; + var Doc = function(text, mode, firstLine, lineSep, direction) { + if (!(this instanceof Doc)) { return new Doc(text, mode, firstLine, lineSep, direction) } + if (firstLine == null) { firstLine = 0; } + + BranchChunk.call(this, [new LeafChunk([new Line("", null)])]); + this.first = firstLine; + this.scrollTop = this.scrollLeft = 0; + this.cantEdit = false; + this.cleanGeneration = 1; + this.modeFrontier = this.highlightFrontier = firstLine; + var start = Pos(firstLine, 0); + this.sel = simpleSelection(start); + this.history = new History(null); + this.id = ++nextDocId; + this.modeOption = mode; + this.lineSep = lineSep; + this.direction = (direction == "rtl") ? "rtl" : "ltr"; + this.extend = false; + + if (typeof text == "string") { text = this.splitLines(text); } + updateDoc(this, {from: start, to: start, text: text}); + setSelection(this, simpleSelection(start), sel_dontScroll); + }; + + Doc.prototype = createObj(BranchChunk.prototype, { + constructor: Doc, + // Iterate over the document. Supports two forms -- with only one + // argument, it calls that for each line in the document. With + // three, it iterates over the range given by the first two (with + // the second being non-inclusive). + iter: function(from, to, op) { + if (op) { this.iterN(from - this.first, to - from, op); } + else { this.iterN(this.first, this.first + this.size, from); } + }, + + // Non-public interface for adding and removing lines. + insert: function(at, lines) { + var height = 0; + for (var i = 0; i < lines.length; ++i) { height += lines[i].height; } + this.insertInner(at - this.first, lines, height); + }, + remove: function(at, n) { this.removeInner(at - this.first, n); }, + + // From here, the methods are part of the public interface. Most + // are also available from CodeMirror (editor) instances. + + getValue: function(lineSep) { + var lines = getLines(this, this.first, this.first + this.size); + if (lineSep === false) { return lines } + return lines.join(lineSep || this.lineSeparator()) + }, + setValue: docMethodOp(function(code) { + var top = Pos(this.first, 0), last = this.first + this.size - 1; + makeChange(this, {from: top, to: Pos(last, getLine(this, last).text.length), + text: this.splitLines(code), origin: "setValue", full: true}, true); + if (this.cm) { scrollToCoords(this.cm, 0, 0); } + setSelection(this, simpleSelection(top), sel_dontScroll); + }), + replaceRange: function(code, from, to, origin) { + from = clipPos(this, from); + to = to ? clipPos(this, to) : from; + replaceRange(this, code, from, to, origin); + }, + getRange: function(from, to, lineSep) { + var lines = getBetween(this, clipPos(this, from), clipPos(this, to)); + if (lineSep === false) { return lines } + if (lineSep === '') { return lines.join('') } + return lines.join(lineSep || this.lineSeparator()) + }, + + getLine: function(line) {var l = this.getLineHandle(line); return l && l.text}, + + getLineHandle: function(line) {if (isLine(this, line)) { return getLine(this, line) }}, + getLineNumber: function(line) {return lineNo(line)}, + + getLineHandleVisualStart: function(line) { + if (typeof line == "number") { line = getLine(this, line); } + return visualLine(line) + }, + + lineCount: function() {return this.size}, + firstLine: function() {return this.first}, + lastLine: function() {return this.first + this.size - 1}, + + clipPos: function(pos) {return clipPos(this, pos)}, + + getCursor: function(start) { + var range = this.sel.primary(), pos; + if (start == null || start == "head") { pos = range.head; } + else if (start == "anchor") { pos = range.anchor; } + else if (start == "end" || start == "to" || start === false) { pos = range.to(); } + else { pos = range.from(); } + return pos + }, + listSelections: function() { return this.sel.ranges }, + somethingSelected: function() {return this.sel.somethingSelected()}, + + setCursor: docMethodOp(function(line, ch, options) { + setSimpleSelection(this, clipPos(this, typeof line == "number" ? Pos(line, ch || 0) : line), null, options); + }), + setSelection: docMethodOp(function(anchor, head, options) { + setSimpleSelection(this, clipPos(this, anchor), clipPos(this, head || anchor), options); + }), + extendSelection: docMethodOp(function(head, other, options) { + extendSelection(this, clipPos(this, head), other && clipPos(this, other), options); + }), + extendSelections: docMethodOp(function(heads, options) { + extendSelections(this, clipPosArray(this, heads), options); + }), + extendSelectionsBy: docMethodOp(function(f, options) { + var heads = map(this.sel.ranges, f); + extendSelections(this, clipPosArray(this, heads), options); + }), + setSelections: docMethodOp(function(ranges, primary, options) { + if (!ranges.length) { return } + var out = []; + for (var i = 0; i < ranges.length; i++) + { out[i] = new Range(clipPos(this, ranges[i].anchor), + clipPos(this, ranges[i].head || ranges[i].anchor)); } + if (primary == null) { primary = Math.min(ranges.length - 1, this.sel.primIndex); } + setSelection(this, normalizeSelection(this.cm, out, primary), options); + }), + addSelection: docMethodOp(function(anchor, head, options) { + var ranges = this.sel.ranges.slice(0); + ranges.push(new Range(clipPos(this, anchor), clipPos(this, head || anchor))); + setSelection(this, normalizeSelection(this.cm, ranges, ranges.length - 1), options); + }), + + getSelection: function(lineSep) { + var ranges = this.sel.ranges, lines; + for (var i = 0; i < ranges.length; i++) { + var sel = getBetween(this, ranges[i].from(), ranges[i].to()); + lines = lines ? lines.concat(sel) : sel; + } + if (lineSep === false) { return lines } + else { return lines.join(lineSep || this.lineSeparator()) } + }, + getSelections: function(lineSep) { + var parts = [], ranges = this.sel.ranges; + for (var i = 0; i < ranges.length; i++) { + var sel = getBetween(this, ranges[i].from(), ranges[i].to()); + if (lineSep !== false) { sel = sel.join(lineSep || this.lineSeparator()); } + parts[i] = sel; + } + return parts + }, + replaceSelection: function(code, collapse, origin) { + var dup = []; + for (var i = 0; i < this.sel.ranges.length; i++) + { dup[i] = code; } + this.replaceSelections(dup, collapse, origin || "+input"); + }, + replaceSelections: docMethodOp(function(code, collapse, origin) { + var changes = [], sel = this.sel; + for (var i = 0; i < sel.ranges.length; i++) { + var range = sel.ranges[i]; + changes[i] = {from: range.from(), to: range.to(), text: this.splitLines(code[i]), origin: origin}; + } + var newSel = collapse && collapse != "end" && computeReplacedSel(this, changes, collapse); + for (var i$1 = changes.length - 1; i$1 >= 0; i$1--) + { makeChange(this, changes[i$1]); } + if (newSel) { setSelectionReplaceHistory(this, newSel); } + else if (this.cm) { ensureCursorVisible(this.cm); } + }), + undo: docMethodOp(function() {makeChangeFromHistory(this, "undo");}), + redo: docMethodOp(function() {makeChangeFromHistory(this, "redo");}), + undoSelection: docMethodOp(function() {makeChangeFromHistory(this, "undo", true);}), + redoSelection: docMethodOp(function() {makeChangeFromHistory(this, "redo", true);}), + + setExtending: function(val) {this.extend = val;}, + getExtending: function() {return this.extend}, + + historySize: function() { + var hist = this.history, done = 0, undone = 0; + for (var i = 0; i < hist.done.length; i++) { if (!hist.done[i].ranges) { ++done; } } + for (var i$1 = 0; i$1 < hist.undone.length; i$1++) { if (!hist.undone[i$1].ranges) { ++undone; } } + return {undo: done, redo: undone} + }, + clearHistory: function() { + var this$1 = this; + + this.history = new History(this.history); + linkedDocs(this, function (doc) { return doc.history = this$1.history; }, true); + }, + + markClean: function() { + this.cleanGeneration = this.changeGeneration(true); + }, + changeGeneration: function(forceSplit) { + if (forceSplit) + { this.history.lastOp = this.history.lastSelOp = this.history.lastOrigin = null; } + return this.history.generation + }, + isClean: function (gen) { + return this.history.generation == (gen || this.cleanGeneration) + }, + + getHistory: function() { + return {done: copyHistoryArray(this.history.done), + undone: copyHistoryArray(this.history.undone)} + }, + setHistory: function(histData) { + var hist = this.history = new History(this.history); + hist.done = copyHistoryArray(histData.done.slice(0), null, true); + hist.undone = copyHistoryArray(histData.undone.slice(0), null, true); + }, + + setGutterMarker: docMethodOp(function(line, gutterID, value) { + return changeLine(this, line, "gutter", function (line) { + var markers = line.gutterMarkers || (line.gutterMarkers = {}); + markers[gutterID] = value; + if (!value && isEmpty(markers)) { line.gutterMarkers = null; } + return true + }) + }), + + clearGutter: docMethodOp(function(gutterID) { + var this$1 = this; + + this.iter(function (line) { + if (line.gutterMarkers && line.gutterMarkers[gutterID]) { + changeLine(this$1, line, "gutter", function () { + line.gutterMarkers[gutterID] = null; + if (isEmpty(line.gutterMarkers)) { line.gutterMarkers = null; } + return true + }); + } + }); + }), + + lineInfo: function(line) { + var n; + if (typeof line == "number") { + if (!isLine(this, line)) { return null } + n = line; + line = getLine(this, line); + if (!line) { return null } + } else { + n = lineNo(line); + if (n == null) { return null } + } + return {line: n, handle: line, text: line.text, gutterMarkers: line.gutterMarkers, + textClass: line.textClass, bgClass: line.bgClass, wrapClass: line.wrapClass, + widgets: line.widgets} + }, + + addLineClass: docMethodOp(function(handle, where, cls) { + return changeLine(this, handle, where == "gutter" ? "gutter" : "class", function (line) { + var prop = where == "text" ? "textClass" + : where == "background" ? "bgClass" + : where == "gutter" ? "gutterClass" : "wrapClass"; + if (!line[prop]) { line[prop] = cls; } + else if (classTest(cls).test(line[prop])) { return false } + else { line[prop] += " " + cls; } + return true + }) + }), + removeLineClass: docMethodOp(function(handle, where, cls) { + return changeLine(this, handle, where == "gutter" ? "gutter" : "class", function (line) { + var prop = where == "text" ? "textClass" + : where == "background" ? "bgClass" + : where == "gutter" ? "gutterClass" : "wrapClass"; + var cur = line[prop]; + if (!cur) { return false } + else if (cls == null) { line[prop] = null; } + else { + var found = cur.match(classTest(cls)); + if (!found) { return false } + var end = found.index + found[0].length; + line[prop] = cur.slice(0, found.index) + (!found.index || end == cur.length ? "" : " ") + cur.slice(end) || null; + } + return true + }) + }), + + addLineWidget: docMethodOp(function(handle, node, options) { + return addLineWidget(this, handle, node, options) + }), + removeLineWidget: function(widget) { widget.clear(); }, + + markText: function(from, to, options) { + return markText(this, clipPos(this, from), clipPos(this, to), options, options && options.type || "range") + }, + setBookmark: function(pos, options) { + var realOpts = {replacedWith: options && (options.nodeType == null ? options.widget : options), + insertLeft: options && options.insertLeft, + clearWhenEmpty: false, shared: options && options.shared, + handleMouseEvents: options && options.handleMouseEvents}; + pos = clipPos(this, pos); + return markText(this, pos, pos, realOpts, "bookmark") + }, + findMarksAt: function(pos) { + pos = clipPos(this, pos); + var markers = [], spans = getLine(this, pos.line).markedSpans; + if (spans) { for (var i = 0; i < spans.length; ++i) { + var span = spans[i]; + if ((span.from == null || span.from <= pos.ch) && + (span.to == null || span.to >= pos.ch)) + { markers.push(span.marker.parent || span.marker); } + } } + return markers + }, + findMarks: function(from, to, filter) { + from = clipPos(this, from); to = clipPos(this, to); + var found = [], lineNo = from.line; + this.iter(from.line, to.line + 1, function (line) { + var spans = line.markedSpans; + if (spans) { for (var i = 0; i < spans.length; i++) { + var span = spans[i]; + if (!(span.to != null && lineNo == from.line && from.ch >= span.to || + span.from == null && lineNo != from.line || + span.from != null && lineNo == to.line && span.from >= to.ch) && + (!filter || filter(span.marker))) + { found.push(span.marker.parent || span.marker); } + } } + ++lineNo; + }); + return found + }, + getAllMarks: function() { + var markers = []; + this.iter(function (line) { + var sps = line.markedSpans; + if (sps) { for (var i = 0; i < sps.length; ++i) + { if (sps[i].from != null) { markers.push(sps[i].marker); } } } + }); + return markers + }, + + posFromIndex: function(off) { + var ch, lineNo = this.first, sepSize = this.lineSeparator().length; + this.iter(function (line) { + var sz = line.text.length + sepSize; + if (sz > off) { ch = off; return true } + off -= sz; + ++lineNo; + }); + return clipPos(this, Pos(lineNo, ch)) + }, + indexFromPos: function (coords) { + coords = clipPos(this, coords); + var index = coords.ch; + if (coords.line < this.first || coords.ch < 0) { return 0 } + var sepSize = this.lineSeparator().length; + this.iter(this.first, coords.line, function (line) { // iter aborts when callback returns a truthy value + index += line.text.length + sepSize; + }); + return index + }, + + copy: function(copyHistory) { + var doc = new Doc(getLines(this, this.first, this.first + this.size), + this.modeOption, this.first, this.lineSep, this.direction); + doc.scrollTop = this.scrollTop; doc.scrollLeft = this.scrollLeft; + doc.sel = this.sel; + doc.extend = false; + if (copyHistory) { + doc.history.undoDepth = this.history.undoDepth; + doc.setHistory(this.getHistory()); + } + return doc + }, + + linkedDoc: function(options) { + if (!options) { options = {}; } + var from = this.first, to = this.first + this.size; + if (options.from != null && options.from > from) { from = options.from; } + if (options.to != null && options.to < to) { to = options.to; } + var copy = new Doc(getLines(this, from, to), options.mode || this.modeOption, from, this.lineSep, this.direction); + if (options.sharedHist) { copy.history = this.history + ; }(this.linked || (this.linked = [])).push({doc: copy, sharedHist: options.sharedHist}); + copy.linked = [{doc: this, isParent: true, sharedHist: options.sharedHist}]; + copySharedMarkers(copy, findSharedMarkers(this)); + return copy + }, + unlinkDoc: function(other) { + if (other instanceof CodeMirror) { other = other.doc; } + if (this.linked) { for (var i = 0; i < this.linked.length; ++i) { + var link = this.linked[i]; + if (link.doc != other) { continue } + this.linked.splice(i, 1); + other.unlinkDoc(this); + detachSharedMarkers(findSharedMarkers(this)); + break + } } + // If the histories were shared, split them again + if (other.history == this.history) { + var splitIds = [other.id]; + linkedDocs(other, function (doc) { return splitIds.push(doc.id); }, true); + other.history = new History(null); + other.history.done = copyHistoryArray(this.history.done, splitIds); + other.history.undone = copyHistoryArray(this.history.undone, splitIds); + } + }, + iterLinkedDocs: function(f) {linkedDocs(this, f);}, + + getMode: function() {return this.mode}, + getEditor: function() {return this.cm}, + + splitLines: function(str) { + if (this.lineSep) { return str.split(this.lineSep) } + return splitLinesAuto(str) + }, + lineSeparator: function() { return this.lineSep || "\n" }, + + setDirection: docMethodOp(function (dir) { + if (dir != "rtl") { dir = "ltr"; } + if (dir == this.direction) { return } + this.direction = dir; + this.iter(function (line) { return line.order = null; }); + if (this.cm) { directionChanged(this.cm); } + }) + }); + + // Public alias. + Doc.prototype.eachLine = Doc.prototype.iter; + + // Kludge to work around strange IE behavior where it'll sometimes + // re-fire a series of drag-related events right after the drop (#1551) + var lastDrop = 0; + + function onDrop(e) { + var cm = this; + clearDragCursor(cm); + if (signalDOMEvent(cm, e) || eventInWidget(cm.display, e)) + { return } + e_preventDefault(e); + if (ie) { lastDrop = +new Date; } + var pos = posFromMouse(cm, e, true), files = e.dataTransfer.files; + if (!pos || cm.isReadOnly()) { return } + // Might be a file drop, in which case we simply extract the text + // and insert it. + if (files && files.length && window.FileReader && window.File) { + var n = files.length, text = Array(n), read = 0; + var markAsReadAndPasteIfAllFilesAreRead = function () { + if (++read == n) { + operation(cm, function () { + pos = clipPos(cm.doc, pos); + var change = {from: pos, to: pos, + text: cm.doc.splitLines( + text.filter(function (t) { return t != null; }).join(cm.doc.lineSeparator())), + origin: "paste"}; + makeChange(cm.doc, change); + setSelectionReplaceHistory(cm.doc, simpleSelection(clipPos(cm.doc, pos), clipPos(cm.doc, changeEnd(change)))); + })(); + } + }; + var readTextFromFile = function (file, i) { + if (cm.options.allowDropFileTypes && + indexOf(cm.options.allowDropFileTypes, file.type) == -1) { + markAsReadAndPasteIfAllFilesAreRead(); + return + } + var reader = new FileReader; + reader.onerror = function () { return markAsReadAndPasteIfAllFilesAreRead(); }; + reader.onload = function () { + var content = reader.result; + if (/[\x00-\x08\x0e-\x1f]{2}/.test(content)) { + markAsReadAndPasteIfAllFilesAreRead(); + return + } + text[i] = content; + markAsReadAndPasteIfAllFilesAreRead(); + }; + reader.readAsText(file); + }; + for (var i = 0; i < files.length; i++) { readTextFromFile(files[i], i); } + } else { // Normal drop + // Don't do a replace if the drop happened inside of the selected text. + if (cm.state.draggingText && cm.doc.sel.contains(pos) > -1) { + cm.state.draggingText(e); + // Ensure the editor is re-focused + setTimeout(function () { return cm.display.input.focus(); }, 20); + return + } + try { + var text$1 = e.dataTransfer.getData("Text"); + if (text$1) { + var selected; + if (cm.state.draggingText && !cm.state.draggingText.copy) + { selected = cm.listSelections(); } + setSelectionNoUndo(cm.doc, simpleSelection(pos, pos)); + if (selected) { for (var i$1 = 0; i$1 < selected.length; ++i$1) + { replaceRange(cm.doc, "", selected[i$1].anchor, selected[i$1].head, "drag"); } } + cm.replaceSelection(text$1, "around", "paste"); + cm.display.input.focus(); + } + } + catch(e$1){} + } + } + + function onDragStart(cm, e) { + if (ie && (!cm.state.draggingText || +new Date - lastDrop < 100)) { e_stop(e); return } + if (signalDOMEvent(cm, e) || eventInWidget(cm.display, e)) { return } + + e.dataTransfer.setData("Text", cm.getSelection()); + e.dataTransfer.effectAllowed = "copyMove"; + + // Use dummy image instead of default browsers image. + // Recent Safari (~6.0.2) have a tendency to segfault when this happens, so we don't do it there. + if (e.dataTransfer.setDragImage && !safari) { + var img = elt("img", null, null, "position: fixed; left: 0; top: 0;"); + img.src = "data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw=="; + if (presto) { + img.width = img.height = 1; + cm.display.wrapper.appendChild(img); + // Force a relayout, or Opera won't use our image for some obscure reason + img._top = img.offsetTop; + } + e.dataTransfer.setDragImage(img, 0, 0); + if (presto) { img.parentNode.removeChild(img); } + } + } + + function onDragOver(cm, e) { + var pos = posFromMouse(cm, e); + if (!pos) { return } + var frag = document.createDocumentFragment(); + drawSelectionCursor(cm, pos, frag); + if (!cm.display.dragCursor) { + cm.display.dragCursor = elt("div", null, "CodeMirror-cursors CodeMirror-dragcursors"); + cm.display.lineSpace.insertBefore(cm.display.dragCursor, cm.display.cursorDiv); + } + removeChildrenAndAdd(cm.display.dragCursor, frag); + } + + function clearDragCursor(cm) { + if (cm.display.dragCursor) { + cm.display.lineSpace.removeChild(cm.display.dragCursor); + cm.display.dragCursor = null; + } + } + + // These must be handled carefully, because naively registering a + // handler for each editor will cause the editors to never be + // garbage collected. + + function forEachCodeMirror(f) { + if (!document.getElementsByClassName) { return } + var byClass = document.getElementsByClassName("CodeMirror"), editors = []; + for (var i = 0; i < byClass.length; i++) { + var cm = byClass[i].CodeMirror; + if (cm) { editors.push(cm); } + } + if (editors.length) { editors[0].operation(function () { + for (var i = 0; i < editors.length; i++) { f(editors[i]); } + }); } + } + + var globalsRegistered = false; + function ensureGlobalHandlers() { + if (globalsRegistered) { return } + registerGlobalHandlers(); + globalsRegistered = true; + } + function registerGlobalHandlers() { + // When the window resizes, we need to refresh active editors. + var resizeTimer; + on(window, "resize", function () { + if (resizeTimer == null) { resizeTimer = setTimeout(function () { + resizeTimer = null; + forEachCodeMirror(onResize); + }, 100); } + }); + // When the window loses focus, we want to show the editor as blurred + on(window, "blur", function () { return forEachCodeMirror(onBlur); }); + } + // Called when the window resizes + function onResize(cm) { + var d = cm.display; + // Might be a text scaling operation, clear size caches. + d.cachedCharWidth = d.cachedTextHeight = d.cachedPaddingH = null; + d.scrollbarsClipped = false; + cm.setSize(); + } + + var keyNames = { + 3: "Pause", 8: "Backspace", 9: "Tab", 13: "Enter", 16: "Shift", 17: "Ctrl", 18: "Alt", + 19: "Pause", 20: "CapsLock", 27: "Esc", 32: "Space", 33: "PageUp", 34: "PageDown", 35: "End", + 36: "Home", 37: "Left", 38: "Up", 39: "Right", 40: "Down", 44: "PrintScrn", 45: "Insert", + 46: "Delete", 59: ";", 61: "=", 91: "Mod", 92: "Mod", 93: "Mod", + 106: "*", 107: "=", 109: "-", 110: ".", 111: "/", 145: "ScrollLock", + 173: "-", 186: ";", 187: "=", 188: ",", 189: "-", 190: ".", 191: "/", 192: "`", 219: "[", 220: "\\", + 221: "]", 222: "'", 224: "Mod", 63232: "Up", 63233: "Down", 63234: "Left", 63235: "Right", 63272: "Delete", + 63273: "Home", 63275: "End", 63276: "PageUp", 63277: "PageDown", 63302: "Insert" + }; + + // Number keys + for (var i = 0; i < 10; i++) { keyNames[i + 48] = keyNames[i + 96] = String(i); } + // Alphabetic keys + for (var i$1 = 65; i$1 <= 90; i$1++) { keyNames[i$1] = String.fromCharCode(i$1); } + // Function keys + for (var i$2 = 1; i$2 <= 12; i$2++) { keyNames[i$2 + 111] = keyNames[i$2 + 63235] = "F" + i$2; } + + var keyMap = {}; + + keyMap.basic = { + "Left": "goCharLeft", "Right": "goCharRight", "Up": "goLineUp", "Down": "goLineDown", + "End": "goLineEnd", "Home": "goLineStartSmart", "PageUp": "goPageUp", "PageDown": "goPageDown", + "Delete": "delCharAfter", "Backspace": "delCharBefore", "Shift-Backspace": "delCharBefore", + "Tab": "defaultTab", "Shift-Tab": "indentAuto", + "Enter": "newlineAndIndent", "Insert": "toggleOverwrite", + "Esc": "singleSelection" + }; + // Note that the save and find-related commands aren't defined by + // default. User code or addons can define them. Unknown commands + // are simply ignored. + keyMap.pcDefault = { + "Ctrl-A": "selectAll", "Ctrl-D": "deleteLine", "Ctrl-Z": "undo", "Shift-Ctrl-Z": "redo", "Ctrl-Y": "redo", + "Ctrl-Home": "goDocStart", "Ctrl-End": "goDocEnd", "Ctrl-Up": "goLineUp", "Ctrl-Down": "goLineDown", + "Ctrl-Left": "goGroupLeft", "Ctrl-Right": "goGroupRight", "Alt-Left": "goLineStart", "Alt-Right": "goLineEnd", + "Ctrl-Backspace": "delGroupBefore", "Ctrl-Delete": "delGroupAfter", "Ctrl-S": "save", "Ctrl-F": "find", + "Ctrl-G": "findNext", "Shift-Ctrl-G": "findPrev", "Shift-Ctrl-F": "replace", "Shift-Ctrl-R": "replaceAll", + "Ctrl-[": "indentLess", "Ctrl-]": "indentMore", + "Ctrl-U": "undoSelection", "Shift-Ctrl-U": "redoSelection", "Alt-U": "redoSelection", + "fallthrough": "basic" + }; + // Very basic readline/emacs-style bindings, which are standard on Mac. + keyMap.emacsy = { + "Ctrl-F": "goCharRight", "Ctrl-B": "goCharLeft", "Ctrl-P": "goLineUp", "Ctrl-N": "goLineDown", + "Ctrl-A": "goLineStart", "Ctrl-E": "goLineEnd", "Ctrl-V": "goPageDown", "Shift-Ctrl-V": "goPageUp", + "Ctrl-D": "delCharAfter", "Ctrl-H": "delCharBefore", "Alt-Backspace": "delWordBefore", "Ctrl-K": "killLine", + "Ctrl-T": "transposeChars", "Ctrl-O": "openLine" + }; + keyMap.macDefault = { + "Cmd-A": "selectAll", "Cmd-D": "deleteLine", "Cmd-Z": "undo", "Shift-Cmd-Z": "redo", "Cmd-Y": "redo", + "Cmd-Home": "goDocStart", "Cmd-Up": "goDocStart", "Cmd-End": "goDocEnd", "Cmd-Down": "goDocEnd", "Alt-Left": "goGroupLeft", + "Alt-Right": "goGroupRight", "Cmd-Left": "goLineLeft", "Cmd-Right": "goLineRight", "Alt-Backspace": "delGroupBefore", + "Ctrl-Alt-Backspace": "delGroupAfter", "Alt-Delete": "delGroupAfter", "Cmd-S": "save", "Cmd-F": "find", + "Cmd-G": "findNext", "Shift-Cmd-G": "findPrev", "Cmd-Alt-F": "replace", "Shift-Cmd-Alt-F": "replaceAll", + "Cmd-[": "indentLess", "Cmd-]": "indentMore", "Cmd-Backspace": "delWrappedLineLeft", "Cmd-Delete": "delWrappedLineRight", + "Cmd-U": "undoSelection", "Shift-Cmd-U": "redoSelection", "Ctrl-Up": "goDocStart", "Ctrl-Down": "goDocEnd", + "fallthrough": ["basic", "emacsy"] + }; + keyMap["default"] = mac ? keyMap.macDefault : keyMap.pcDefault; + + // KEYMAP DISPATCH + + function normalizeKeyName(name) { + var parts = name.split(/-(?!$)/); + name = parts[parts.length - 1]; + var alt, ctrl, shift, cmd; + for (var i = 0; i < parts.length - 1; i++) { + var mod = parts[i]; + if (/^(cmd|meta|m)$/i.test(mod)) { cmd = true; } + else if (/^a(lt)?$/i.test(mod)) { alt = true; } + else if (/^(c|ctrl|control)$/i.test(mod)) { ctrl = true; } + else if (/^s(hift)?$/i.test(mod)) { shift = true; } + else { throw new Error("Unrecognized modifier name: " + mod) } + } + if (alt) { name = "Alt-" + name; } + if (ctrl) { name = "Ctrl-" + name; } + if (cmd) { name = "Cmd-" + name; } + if (shift) { name = "Shift-" + name; } + return name + } + + // This is a kludge to keep keymaps mostly working as raw objects + // (backwards compatibility) while at the same time support features + // like normalization and multi-stroke key bindings. It compiles a + // new normalized keymap, and then updates the old object to reflect + // this. + function normalizeKeyMap(keymap) { + var copy = {}; + for (var keyname in keymap) { if (keymap.hasOwnProperty(keyname)) { + var value = keymap[keyname]; + if (/^(name|fallthrough|(de|at)tach)$/.test(keyname)) { continue } + if (value == "...") { delete keymap[keyname]; continue } + + var keys = map(keyname.split(" "), normalizeKeyName); + for (var i = 0; i < keys.length; i++) { + var val = (void 0), name = (void 0); + if (i == keys.length - 1) { + name = keys.join(" "); + val = value; + } else { + name = keys.slice(0, i + 1).join(" "); + val = "..."; + } + var prev = copy[name]; + if (!prev) { copy[name] = val; } + else if (prev != val) { throw new Error("Inconsistent bindings for " + name) } + } + delete keymap[keyname]; + } } + for (var prop in copy) { keymap[prop] = copy[prop]; } + return keymap + } + + function lookupKey(key, map, handle, context) { + map = getKeyMap(map); + var found = map.call ? map.call(key, context) : map[key]; + if (found === false) { return "nothing" } + if (found === "...") { return "multi" } + if (found != null && handle(found)) { return "handled" } + + if (map.fallthrough) { + if (Object.prototype.toString.call(map.fallthrough) != "[object Array]") + { return lookupKey(key, map.fallthrough, handle, context) } + for (var i = 0; i < map.fallthrough.length; i++) { + var result = lookupKey(key, map.fallthrough[i], handle, context); + if (result) { return result } + } + } + } + + // Modifier key presses don't count as 'real' key presses for the + // purpose of keymap fallthrough. + function isModifierKey(value) { + var name = typeof value == "string" ? value : keyNames[value.keyCode]; + return name == "Ctrl" || name == "Alt" || name == "Shift" || name == "Mod" + } + + function addModifierNames(name, event, noShift) { + var base = name; + if (event.altKey && base != "Alt") { name = "Alt-" + name; } + if ((flipCtrlCmd ? event.metaKey : event.ctrlKey) && base != "Ctrl") { name = "Ctrl-" + name; } + if ((flipCtrlCmd ? event.ctrlKey : event.metaKey) && base != "Mod") { name = "Cmd-" + name; } + if (!noShift && event.shiftKey && base != "Shift") { name = "Shift-" + name; } + return name + } + + // Look up the name of a key as indicated by an event object. + function keyName(event, noShift) { + if (presto && event.keyCode == 34 && event["char"]) { return false } + var name = keyNames[event.keyCode]; + if (name == null || event.altGraphKey) { return false } + // Ctrl-ScrollLock has keyCode 3, same as Ctrl-Pause, + // so we'll use event.code when available (Chrome 48+, FF 38+, Safari 10.1+) + if (event.keyCode == 3 && event.code) { name = event.code; } + return addModifierNames(name, event, noShift) + } + + function getKeyMap(val) { + return typeof val == "string" ? keyMap[val] : val + } + + // Helper for deleting text near the selection(s), used to implement + // backspace, delete, and similar functionality. + function deleteNearSelection(cm, compute) { + var ranges = cm.doc.sel.ranges, kill = []; + // Build up a set of ranges to kill first, merging overlapping + // ranges. + for (var i = 0; i < ranges.length; i++) { + var toKill = compute(ranges[i]); + while (kill.length && cmp(toKill.from, lst(kill).to) <= 0) { + var replaced = kill.pop(); + if (cmp(replaced.from, toKill.from) < 0) { + toKill.from = replaced.from; + break + } + } + kill.push(toKill); + } + // Next, remove those actual ranges. + runInOp(cm, function () { + for (var i = kill.length - 1; i >= 0; i--) + { replaceRange(cm.doc, "", kill[i].from, kill[i].to, "+delete"); } + ensureCursorVisible(cm); + }); + } + + function moveCharLogically(line, ch, dir) { + var target = skipExtendingChars(line.text, ch + dir, dir); + return target < 0 || target > line.text.length ? null : target + } + + function moveLogically(line, start, dir) { + var ch = moveCharLogically(line, start.ch, dir); + return ch == null ? null : new Pos(start.line, ch, dir < 0 ? "after" : "before") + } + + function endOfLine(visually, cm, lineObj, lineNo, dir) { + if (visually) { + if (cm.doc.direction == "rtl") { dir = -dir; } + var order = getOrder(lineObj, cm.doc.direction); + if (order) { + var part = dir < 0 ? lst(order) : order[0]; + var moveInStorageOrder = (dir < 0) == (part.level == 1); + var sticky = moveInStorageOrder ? "after" : "before"; + var ch; + // With a wrapped rtl chunk (possibly spanning multiple bidi parts), + // it could be that the last bidi part is not on the last visual line, + // since visual lines contain content order-consecutive chunks. + // Thus, in rtl, we are looking for the first (content-order) character + // in the rtl chunk that is on the last line (that is, the same line + // as the last (content-order) character). + if (part.level > 0 || cm.doc.direction == "rtl") { + var prep = prepareMeasureForLine(cm, lineObj); + ch = dir < 0 ? lineObj.text.length - 1 : 0; + var targetTop = measureCharPrepared(cm, prep, ch).top; + ch = findFirst(function (ch) { return measureCharPrepared(cm, prep, ch).top == targetTop; }, (dir < 0) == (part.level == 1) ? part.from : part.to - 1, ch); + if (sticky == "before") { ch = moveCharLogically(lineObj, ch, 1); } + } else { ch = dir < 0 ? part.to : part.from; } + return new Pos(lineNo, ch, sticky) + } + } + return new Pos(lineNo, dir < 0 ? lineObj.text.length : 0, dir < 0 ? "before" : "after") + } + + function moveVisually(cm, line, start, dir) { + var bidi = getOrder(line, cm.doc.direction); + if (!bidi) { return moveLogically(line, start, dir) } + if (start.ch >= line.text.length) { + start.ch = line.text.length; + start.sticky = "before"; + } else if (start.ch <= 0) { + start.ch = 0; + start.sticky = "after"; + } + var partPos = getBidiPartAt(bidi, start.ch, start.sticky), part = bidi[partPos]; + if (cm.doc.direction == "ltr" && part.level % 2 == 0 && (dir > 0 ? part.to > start.ch : part.from < start.ch)) { + // Case 1: We move within an ltr part in an ltr editor. Even with wrapped lines, + // nothing interesting happens. + return moveLogically(line, start, dir) + } + + var mv = function (pos, dir) { return moveCharLogically(line, pos instanceof Pos ? pos.ch : pos, dir); }; + var prep; + var getWrappedLineExtent = function (ch) { + if (!cm.options.lineWrapping) { return {begin: 0, end: line.text.length} } + prep = prep || prepareMeasureForLine(cm, line); + return wrappedLineExtentChar(cm, line, prep, ch) + }; + var wrappedLineExtent = getWrappedLineExtent(start.sticky == "before" ? mv(start, -1) : start.ch); + + if (cm.doc.direction == "rtl" || part.level == 1) { + var moveInStorageOrder = (part.level == 1) == (dir < 0); + var ch = mv(start, moveInStorageOrder ? 1 : -1); + if (ch != null && (!moveInStorageOrder ? ch >= part.from && ch >= wrappedLineExtent.begin : ch <= part.to && ch <= wrappedLineExtent.end)) { + // Case 2: We move within an rtl part or in an rtl editor on the same visual line + var sticky = moveInStorageOrder ? "before" : "after"; + return new Pos(start.line, ch, sticky) + } + } + + // Case 3: Could not move within this bidi part in this visual line, so leave + // the current bidi part + + var searchInVisualLine = function (partPos, dir, wrappedLineExtent) { + var getRes = function (ch, moveInStorageOrder) { return moveInStorageOrder + ? new Pos(start.line, mv(ch, 1), "before") + : new Pos(start.line, ch, "after"); }; + + for (; partPos >= 0 && partPos < bidi.length; partPos += dir) { + var part = bidi[partPos]; + var moveInStorageOrder = (dir > 0) == (part.level != 1); + var ch = moveInStorageOrder ? wrappedLineExtent.begin : mv(wrappedLineExtent.end, -1); + if (part.from <= ch && ch < part.to) { return getRes(ch, moveInStorageOrder) } + ch = moveInStorageOrder ? part.from : mv(part.to, -1); + if (wrappedLineExtent.begin <= ch && ch < wrappedLineExtent.end) { return getRes(ch, moveInStorageOrder) } + } + }; + + // Case 3a: Look for other bidi parts on the same visual line + var res = searchInVisualLine(partPos + dir, dir, wrappedLineExtent); + if (res) { return res } + + // Case 3b: Look for other bidi parts on the next visual line + var nextCh = dir > 0 ? wrappedLineExtent.end : mv(wrappedLineExtent.begin, -1); + if (nextCh != null && !(dir > 0 && nextCh == line.text.length)) { + res = searchInVisualLine(dir > 0 ? 0 : bidi.length - 1, dir, getWrappedLineExtent(nextCh)); + if (res) { return res } + } + + // Case 4: Nowhere to move + return null + } + + // Commands are parameter-less actions that can be performed on an + // editor, mostly used for keybindings. + var commands = { + selectAll: selectAll, + singleSelection: function (cm) { return cm.setSelection(cm.getCursor("anchor"), cm.getCursor("head"), sel_dontScroll); }, + killLine: function (cm) { return deleteNearSelection(cm, function (range) { + if (range.empty()) { + var len = getLine(cm.doc, range.head.line).text.length; + if (range.head.ch == len && range.head.line < cm.lastLine()) + { return {from: range.head, to: Pos(range.head.line + 1, 0)} } + else + { return {from: range.head, to: Pos(range.head.line, len)} } + } else { + return {from: range.from(), to: range.to()} + } + }); }, + deleteLine: function (cm) { return deleteNearSelection(cm, function (range) { return ({ + from: Pos(range.from().line, 0), + to: clipPos(cm.doc, Pos(range.to().line + 1, 0)) + }); }); }, + delLineLeft: function (cm) { return deleteNearSelection(cm, function (range) { return ({ + from: Pos(range.from().line, 0), to: range.from() + }); }); }, + delWrappedLineLeft: function (cm) { return deleteNearSelection(cm, function (range) { + var top = cm.charCoords(range.head, "div").top + 5; + var leftPos = cm.coordsChar({left: 0, top: top}, "div"); + return {from: leftPos, to: range.from()} + }); }, + delWrappedLineRight: function (cm) { return deleteNearSelection(cm, function (range) { + var top = cm.charCoords(range.head, "div").top + 5; + var rightPos = cm.coordsChar({left: cm.display.lineDiv.offsetWidth + 100, top: top}, "div"); + return {from: range.from(), to: rightPos } + }); }, + undo: function (cm) { return cm.undo(); }, + redo: function (cm) { return cm.redo(); }, + undoSelection: function (cm) { return cm.undoSelection(); }, + redoSelection: function (cm) { return cm.redoSelection(); }, + goDocStart: function (cm) { return cm.extendSelection(Pos(cm.firstLine(), 0)); }, + goDocEnd: function (cm) { return cm.extendSelection(Pos(cm.lastLine())); }, + goLineStart: function (cm) { return cm.extendSelectionsBy(function (range) { return lineStart(cm, range.head.line); }, + {origin: "+move", bias: 1} + ); }, + goLineStartSmart: function (cm) { return cm.extendSelectionsBy(function (range) { return lineStartSmart(cm, range.head); }, + {origin: "+move", bias: 1} + ); }, + goLineEnd: function (cm) { return cm.extendSelectionsBy(function (range) { return lineEnd(cm, range.head.line); }, + {origin: "+move", bias: -1} + ); }, + goLineRight: function (cm) { return cm.extendSelectionsBy(function (range) { + var top = cm.cursorCoords(range.head, "div").top + 5; + return cm.coordsChar({left: cm.display.lineDiv.offsetWidth + 100, top: top}, "div") + }, sel_move); }, + goLineLeft: function (cm) { return cm.extendSelectionsBy(function (range) { + var top = cm.cursorCoords(range.head, "div").top + 5; + return cm.coordsChar({left: 0, top: top}, "div") + }, sel_move); }, + goLineLeftSmart: function (cm) { return cm.extendSelectionsBy(function (range) { + var top = cm.cursorCoords(range.head, "div").top + 5; + var pos = cm.coordsChar({left: 0, top: top}, "div"); + if (pos.ch < cm.getLine(pos.line).search(/\S/)) { return lineStartSmart(cm, range.head) } + return pos + }, sel_move); }, + goLineUp: function (cm) { return cm.moveV(-1, "line"); }, + goLineDown: function (cm) { return cm.moveV(1, "line"); }, + goPageUp: function (cm) { return cm.moveV(-1, "page"); }, + goPageDown: function (cm) { return cm.moveV(1, "page"); }, + goCharLeft: function (cm) { return cm.moveH(-1, "char"); }, + goCharRight: function (cm) { return cm.moveH(1, "char"); }, + goColumnLeft: function (cm) { return cm.moveH(-1, "column"); }, + goColumnRight: function (cm) { return cm.moveH(1, "column"); }, + goWordLeft: function (cm) { return cm.moveH(-1, "word"); }, + goGroupRight: function (cm) { return cm.moveH(1, "group"); }, + goGroupLeft: function (cm) { return cm.moveH(-1, "group"); }, + goWordRight: function (cm) { return cm.moveH(1, "word"); }, + delCharBefore: function (cm) { return cm.deleteH(-1, "codepoint"); }, + delCharAfter: function (cm) { return cm.deleteH(1, "char"); }, + delWordBefore: function (cm) { return cm.deleteH(-1, "word"); }, + delWordAfter: function (cm) { return cm.deleteH(1, "word"); }, + delGroupBefore: function (cm) { return cm.deleteH(-1, "group"); }, + delGroupAfter: function (cm) { return cm.deleteH(1, "group"); }, + indentAuto: function (cm) { return cm.indentSelection("smart"); }, + indentMore: function (cm) { return cm.indentSelection("add"); }, + indentLess: function (cm) { return cm.indentSelection("subtract"); }, + insertTab: function (cm) { return cm.replaceSelection("\t"); }, + insertSoftTab: function (cm) { + var spaces = [], ranges = cm.listSelections(), tabSize = cm.options.tabSize; + for (var i = 0; i < ranges.length; i++) { + var pos = ranges[i].from(); + var col = countColumn(cm.getLine(pos.line), pos.ch, tabSize); + spaces.push(spaceStr(tabSize - col % tabSize)); + } + cm.replaceSelections(spaces); + }, + defaultTab: function (cm) { + if (cm.somethingSelected()) { cm.indentSelection("add"); } + else { cm.execCommand("insertTab"); } + }, + // Swap the two chars left and right of each selection's head. + // Move cursor behind the two swapped characters afterwards. + // + // Doesn't consider line feeds a character. + // Doesn't scan more than one line above to find a character. + // Doesn't do anything on an empty line. + // Doesn't do anything with non-empty selections. + transposeChars: function (cm) { return runInOp(cm, function () { + var ranges = cm.listSelections(), newSel = []; + for (var i = 0; i < ranges.length; i++) { + if (!ranges[i].empty()) { continue } + var cur = ranges[i].head, line = getLine(cm.doc, cur.line).text; + if (line) { + if (cur.ch == line.length) { cur = new Pos(cur.line, cur.ch - 1); } + if (cur.ch > 0) { + cur = new Pos(cur.line, cur.ch + 1); + cm.replaceRange(line.charAt(cur.ch - 1) + line.charAt(cur.ch - 2), + Pos(cur.line, cur.ch - 2), cur, "+transpose"); + } else if (cur.line > cm.doc.first) { + var prev = getLine(cm.doc, cur.line - 1).text; + if (prev) { + cur = new Pos(cur.line, 1); + cm.replaceRange(line.charAt(0) + cm.doc.lineSeparator() + + prev.charAt(prev.length - 1), + Pos(cur.line - 1, prev.length - 1), cur, "+transpose"); + } + } + } + newSel.push(new Range(cur, cur)); + } + cm.setSelections(newSel); + }); }, + newlineAndIndent: function (cm) { return runInOp(cm, function () { + var sels = cm.listSelections(); + for (var i = sels.length - 1; i >= 0; i--) + { cm.replaceRange(cm.doc.lineSeparator(), sels[i].anchor, sels[i].head, "+input"); } + sels = cm.listSelections(); + for (var i$1 = 0; i$1 < sels.length; i$1++) + { cm.indentLine(sels[i$1].from().line, null, true); } + ensureCursorVisible(cm); + }); }, + openLine: function (cm) { return cm.replaceSelection("\n", "start"); }, + toggleOverwrite: function (cm) { return cm.toggleOverwrite(); } + }; + + + function lineStart(cm, lineN) { + var line = getLine(cm.doc, lineN); + var visual = visualLine(line); + if (visual != line) { lineN = lineNo(visual); } + return endOfLine(true, cm, visual, lineN, 1) + } + function lineEnd(cm, lineN) { + var line = getLine(cm.doc, lineN); + var visual = visualLineEnd(line); + if (visual != line) { lineN = lineNo(visual); } + return endOfLine(true, cm, line, lineN, -1) + } + function lineStartSmart(cm, pos) { + var start = lineStart(cm, pos.line); + var line = getLine(cm.doc, start.line); + var order = getOrder(line, cm.doc.direction); + if (!order || order[0].level == 0) { + var firstNonWS = Math.max(start.ch, line.text.search(/\S/)); + var inWS = pos.line == start.line && pos.ch <= firstNonWS && pos.ch; + return Pos(start.line, inWS ? 0 : firstNonWS, start.sticky) + } + return start + } + + // Run a handler that was bound to a key. + function doHandleBinding(cm, bound, dropShift) { + if (typeof bound == "string") { + bound = commands[bound]; + if (!bound) { return false } + } + // Ensure previous input has been read, so that the handler sees a + // consistent view of the document + cm.display.input.ensurePolled(); + var prevShift = cm.display.shift, done = false; + try { + if (cm.isReadOnly()) { cm.state.suppressEdits = true; } + if (dropShift) { cm.display.shift = false; } + done = bound(cm) != Pass; + } finally { + cm.display.shift = prevShift; + cm.state.suppressEdits = false; + } + return done + } + + function lookupKeyForEditor(cm, name, handle) { + for (var i = 0; i < cm.state.keyMaps.length; i++) { + var result = lookupKey(name, cm.state.keyMaps[i], handle, cm); + if (result) { return result } + } + return (cm.options.extraKeys && lookupKey(name, cm.options.extraKeys, handle, cm)) + || lookupKey(name, cm.options.keyMap, handle, cm) + } + + // Note that, despite the name, this function is also used to check + // for bound mouse clicks. + + var stopSeq = new Delayed; + + function dispatchKey(cm, name, e, handle) { + var seq = cm.state.keySeq; + if (seq) { + if (isModifierKey(name)) { return "handled" } + if (/\'$/.test(name)) + { cm.state.keySeq = null; } + else + { stopSeq.set(50, function () { + if (cm.state.keySeq == seq) { + cm.state.keySeq = null; + cm.display.input.reset(); + } + }); } + if (dispatchKeyInner(cm, seq + " " + name, e, handle)) { return true } + } + return dispatchKeyInner(cm, name, e, handle) + } + + function dispatchKeyInner(cm, name, e, handle) { + var result = lookupKeyForEditor(cm, name, handle); + + if (result == "multi") + { cm.state.keySeq = name; } + if (result == "handled") + { signalLater(cm, "keyHandled", cm, name, e); } + + if (result == "handled" || result == "multi") { + e_preventDefault(e); + restartBlink(cm); + } + + return !!result + } + + // Handle a key from the keydown event. + function handleKeyBinding(cm, e) { + var name = keyName(e, true); + if (!name) { return false } + + if (e.shiftKey && !cm.state.keySeq) { + // First try to resolve full name (including 'Shift-'). Failing + // that, see if there is a cursor-motion command (starting with + // 'go') bound to the keyname without 'Shift-'. + return dispatchKey(cm, "Shift-" + name, e, function (b) { return doHandleBinding(cm, b, true); }) + || dispatchKey(cm, name, e, function (b) { + if (typeof b == "string" ? /^go[A-Z]/.test(b) : b.motion) + { return doHandleBinding(cm, b) } + }) + } else { + return dispatchKey(cm, name, e, function (b) { return doHandleBinding(cm, b); }) + } + } + + // Handle a key from the keypress event + function handleCharBinding(cm, e, ch) { + return dispatchKey(cm, "'" + ch + "'", e, function (b) { return doHandleBinding(cm, b, true); }) + } + + var lastStoppedKey = null; + function onKeyDown(e) { + var cm = this; + if (e.target && e.target != cm.display.input.getField()) { return } + cm.curOp.focus = activeElt(root(cm)); + if (signalDOMEvent(cm, e)) { return } + // IE does strange things with escape. + if (ie && ie_version < 11 && e.keyCode == 27) { e.returnValue = false; } + var code = e.keyCode; + cm.display.shift = code == 16 || e.shiftKey; + var handled = handleKeyBinding(cm, e); + if (presto) { + lastStoppedKey = handled ? code : null; + // Opera has no cut event... we try to at least catch the key combo + if (!handled && code == 88 && !hasCopyEvent && (mac ? e.metaKey : e.ctrlKey)) + { cm.replaceSelection("", null, "cut"); } + } + if (gecko && !mac && !handled && code == 46 && e.shiftKey && !e.ctrlKey && document.execCommand) + { document.execCommand("cut"); } + + // Turn mouse into crosshair when Alt is held on Mac. + if (code == 18 && !/\bCodeMirror-crosshair\b/.test(cm.display.lineDiv.className)) + { showCrossHair(cm); } + } + + function showCrossHair(cm) { + var lineDiv = cm.display.lineDiv; + addClass(lineDiv, "CodeMirror-crosshair"); + + function up(e) { + if (e.keyCode == 18 || !e.altKey) { + rmClass(lineDiv, "CodeMirror-crosshair"); + off(document, "keyup", up); + off(document, "mouseover", up); + } + } + on(document, "keyup", up); + on(document, "mouseover", up); + } + + function onKeyUp(e) { + if (e.keyCode == 16) { this.doc.sel.shift = false; } + signalDOMEvent(this, e); + } + + function onKeyPress(e) { + var cm = this; + if (e.target && e.target != cm.display.input.getField()) { return } + if (eventInWidget(cm.display, e) || signalDOMEvent(cm, e) || e.ctrlKey && !e.altKey || mac && e.metaKey) { return } + var keyCode = e.keyCode, charCode = e.charCode; + if (presto && keyCode == lastStoppedKey) {lastStoppedKey = null; e_preventDefault(e); return} + if ((presto && (!e.which || e.which < 10)) && handleKeyBinding(cm, e)) { return } + var ch = String.fromCharCode(charCode == null ? keyCode : charCode); + // Some browsers fire keypress events for backspace + if (ch == "\x08") { return } + if (handleCharBinding(cm, e, ch)) { return } + cm.display.input.onKeyPress(e); + } + + var DOUBLECLICK_DELAY = 400; + + var PastClick = function(time, pos, button) { + this.time = time; + this.pos = pos; + this.button = button; + }; + + PastClick.prototype.compare = function (time, pos, button) { + return this.time + DOUBLECLICK_DELAY > time && + cmp(pos, this.pos) == 0 && button == this.button + }; + + var lastClick, lastDoubleClick; + function clickRepeat(pos, button) { + var now = +new Date; + if (lastDoubleClick && lastDoubleClick.compare(now, pos, button)) { + lastClick = lastDoubleClick = null; + return "triple" + } else if (lastClick && lastClick.compare(now, pos, button)) { + lastDoubleClick = new PastClick(now, pos, button); + lastClick = null; + return "double" + } else { + lastClick = new PastClick(now, pos, button); + lastDoubleClick = null; + return "single" + } + } + + // A mouse down can be a single click, double click, triple click, + // start of selection drag, start of text drag, new cursor + // (ctrl-click), rectangle drag (alt-drag), or xwin + // middle-click-paste. Or it might be a click on something we should + // not interfere with, such as a scrollbar or widget. + function onMouseDown(e) { + var cm = this, display = cm.display; + if (signalDOMEvent(cm, e) || display.activeTouch && display.input.supportsTouch()) { return } + display.input.ensurePolled(); + display.shift = e.shiftKey; + + if (eventInWidget(display, e)) { + if (!webkit) { + // Briefly turn off draggability, to allow widgets to do + // normal dragging things. + display.scroller.draggable = false; + setTimeout(function () { return display.scroller.draggable = true; }, 100); + } + return + } + if (clickInGutter(cm, e)) { return } + var pos = posFromMouse(cm, e), button = e_button(e), repeat = pos ? clickRepeat(pos, button) : "single"; + win(cm).focus(); + + // #3261: make sure, that we're not starting a second selection + if (button == 1 && cm.state.selectingText) + { cm.state.selectingText(e); } + + if (pos && handleMappedButton(cm, button, pos, repeat, e)) { return } + + if (button == 1) { + if (pos) { leftButtonDown(cm, pos, repeat, e); } + else if (e_target(e) == display.scroller) { e_preventDefault(e); } + } else if (button == 2) { + if (pos) { extendSelection(cm.doc, pos); } + setTimeout(function () { return display.input.focus(); }, 20); + } else if (button == 3) { + if (captureRightClick) { cm.display.input.onContextMenu(e); } + else { delayBlurEvent(cm); } + } + } + + function handleMappedButton(cm, button, pos, repeat, event) { + var name = "Click"; + if (repeat == "double") { name = "Double" + name; } + else if (repeat == "triple") { name = "Triple" + name; } + name = (button == 1 ? "Left" : button == 2 ? "Middle" : "Right") + name; + + return dispatchKey(cm, addModifierNames(name, event), event, function (bound) { + if (typeof bound == "string") { bound = commands[bound]; } + if (!bound) { return false } + var done = false; + try { + if (cm.isReadOnly()) { cm.state.suppressEdits = true; } + done = bound(cm, pos) != Pass; + } finally { + cm.state.suppressEdits = false; + } + return done + }) + } + + function configureMouse(cm, repeat, event) { + var option = cm.getOption("configureMouse"); + var value = option ? option(cm, repeat, event) : {}; + if (value.unit == null) { + var rect = chromeOS ? event.shiftKey && event.metaKey : event.altKey; + value.unit = rect ? "rectangle" : repeat == "single" ? "char" : repeat == "double" ? "word" : "line"; + } + if (value.extend == null || cm.doc.extend) { value.extend = cm.doc.extend || event.shiftKey; } + if (value.addNew == null) { value.addNew = mac ? event.metaKey : event.ctrlKey; } + if (value.moveOnDrag == null) { value.moveOnDrag = !(mac ? event.altKey : event.ctrlKey); } + return value + } + + function leftButtonDown(cm, pos, repeat, event) { + if (ie) { setTimeout(bind(ensureFocus, cm), 0); } + else { cm.curOp.focus = activeElt(root(cm)); } + + var behavior = configureMouse(cm, repeat, event); + + var sel = cm.doc.sel, contained; + if (cm.options.dragDrop && dragAndDrop && !cm.isReadOnly() && + repeat == "single" && (contained = sel.contains(pos)) > -1 && + (cmp((contained = sel.ranges[contained]).from(), pos) < 0 || pos.xRel > 0) && + (cmp(contained.to(), pos) > 0 || pos.xRel < 0)) + { leftButtonStartDrag(cm, event, pos, behavior); } + else + { leftButtonSelect(cm, event, pos, behavior); } + } + + // Start a text drag. When it ends, see if any dragging actually + // happen, and treat as a click if it didn't. + function leftButtonStartDrag(cm, event, pos, behavior) { + var display = cm.display, moved = false; + var dragEnd = operation(cm, function (e) { + if (webkit) { display.scroller.draggable = false; } + cm.state.draggingText = false; + if (cm.state.delayingBlurEvent) { + if (cm.hasFocus()) { cm.state.delayingBlurEvent = false; } + else { delayBlurEvent(cm); } + } + off(display.wrapper.ownerDocument, "mouseup", dragEnd); + off(display.wrapper.ownerDocument, "mousemove", mouseMove); + off(display.scroller, "dragstart", dragStart); + off(display.scroller, "drop", dragEnd); + if (!moved) { + e_preventDefault(e); + if (!behavior.addNew) + { extendSelection(cm.doc, pos, null, null, behavior.extend); } + // Work around unexplainable focus problem in IE9 (#2127) and Chrome (#3081) + if ((webkit && !safari) || ie && ie_version == 9) + { setTimeout(function () {display.wrapper.ownerDocument.body.focus({preventScroll: true}); display.input.focus();}, 20); } + else + { display.input.focus(); } + } + }); + var mouseMove = function(e2) { + moved = moved || Math.abs(event.clientX - e2.clientX) + Math.abs(event.clientY - e2.clientY) >= 10; + }; + var dragStart = function () { return moved = true; }; + // Let the drag handler handle this. + if (webkit) { display.scroller.draggable = true; } + cm.state.draggingText = dragEnd; + dragEnd.copy = !behavior.moveOnDrag; + on(display.wrapper.ownerDocument, "mouseup", dragEnd); + on(display.wrapper.ownerDocument, "mousemove", mouseMove); + on(display.scroller, "dragstart", dragStart); + on(display.scroller, "drop", dragEnd); + + cm.state.delayingBlurEvent = true; + setTimeout(function () { return display.input.focus(); }, 20); + // IE's approach to draggable + if (display.scroller.dragDrop) { display.scroller.dragDrop(); } + } + + function rangeForUnit(cm, pos, unit) { + if (unit == "char") { return new Range(pos, pos) } + if (unit == "word") { return cm.findWordAt(pos) } + if (unit == "line") { return new Range(Pos(pos.line, 0), clipPos(cm.doc, Pos(pos.line + 1, 0))) } + var result = unit(cm, pos); + return new Range(result.from, result.to) + } + + // Normal selection, as opposed to text dragging. + function leftButtonSelect(cm, event, start, behavior) { + if (ie) { delayBlurEvent(cm); } + var display = cm.display, doc = cm.doc; + e_preventDefault(event); + + var ourRange, ourIndex, startSel = doc.sel, ranges = startSel.ranges; + if (behavior.addNew && !behavior.extend) { + ourIndex = doc.sel.contains(start); + if (ourIndex > -1) + { ourRange = ranges[ourIndex]; } + else + { ourRange = new Range(start, start); } + } else { + ourRange = doc.sel.primary(); + ourIndex = doc.sel.primIndex; + } + + if (behavior.unit == "rectangle") { + if (!behavior.addNew) { ourRange = new Range(start, start); } + start = posFromMouse(cm, event, true, true); + ourIndex = -1; + } else { + var range = rangeForUnit(cm, start, behavior.unit); + if (behavior.extend) + { ourRange = extendRange(ourRange, range.anchor, range.head, behavior.extend); } + else + { ourRange = range; } + } + + if (!behavior.addNew) { + ourIndex = 0; + setSelection(doc, new Selection([ourRange], 0), sel_mouse); + startSel = doc.sel; + } else if (ourIndex == -1) { + ourIndex = ranges.length; + setSelection(doc, normalizeSelection(cm, ranges.concat([ourRange]), ourIndex), + {scroll: false, origin: "*mouse"}); + } else if (ranges.length > 1 && ranges[ourIndex].empty() && behavior.unit == "char" && !behavior.extend) { + setSelection(doc, normalizeSelection(cm, ranges.slice(0, ourIndex).concat(ranges.slice(ourIndex + 1)), 0), + {scroll: false, origin: "*mouse"}); + startSel = doc.sel; + } else { + replaceOneSelection(doc, ourIndex, ourRange, sel_mouse); + } + + var lastPos = start; + function extendTo(pos) { + if (cmp(lastPos, pos) == 0) { return } + lastPos = pos; + + if (behavior.unit == "rectangle") { + var ranges = [], tabSize = cm.options.tabSize; + var startCol = countColumn(getLine(doc, start.line).text, start.ch, tabSize); + var posCol = countColumn(getLine(doc, pos.line).text, pos.ch, tabSize); + var left = Math.min(startCol, posCol), right = Math.max(startCol, posCol); + for (var line = Math.min(start.line, pos.line), end = Math.min(cm.lastLine(), Math.max(start.line, pos.line)); + line <= end; line++) { + var text = getLine(doc, line).text, leftPos = findColumn(text, left, tabSize); + if (left == right) + { ranges.push(new Range(Pos(line, leftPos), Pos(line, leftPos))); } + else if (text.length > leftPos) + { ranges.push(new Range(Pos(line, leftPos), Pos(line, findColumn(text, right, tabSize)))); } + } + if (!ranges.length) { ranges.push(new Range(start, start)); } + setSelection(doc, normalizeSelection(cm, startSel.ranges.slice(0, ourIndex).concat(ranges), ourIndex), + {origin: "*mouse", scroll: false}); + cm.scrollIntoView(pos); + } else { + var oldRange = ourRange; + var range = rangeForUnit(cm, pos, behavior.unit); + var anchor = oldRange.anchor, head; + if (cmp(range.anchor, anchor) > 0) { + head = range.head; + anchor = minPos(oldRange.from(), range.anchor); + } else { + head = range.anchor; + anchor = maxPos(oldRange.to(), range.head); + } + var ranges$1 = startSel.ranges.slice(0); + ranges$1[ourIndex] = bidiSimplify(cm, new Range(clipPos(doc, anchor), head)); + setSelection(doc, normalizeSelection(cm, ranges$1, ourIndex), sel_mouse); + } + } + + var editorSize = display.wrapper.getBoundingClientRect(); + // Used to ensure timeout re-tries don't fire when another extend + // happened in the meantime (clearTimeout isn't reliable -- at + // least on Chrome, the timeouts still happen even when cleared, + // if the clear happens after their scheduled firing time). + var counter = 0; + + function extend(e) { + var curCount = ++counter; + var cur = posFromMouse(cm, e, true, behavior.unit == "rectangle"); + if (!cur) { return } + if (cmp(cur, lastPos) != 0) { + cm.curOp.focus = activeElt(root(cm)); + extendTo(cur); + var visible = visibleLines(display, doc); + if (cur.line >= visible.to || cur.line < visible.from) + { setTimeout(operation(cm, function () {if (counter == curCount) { extend(e); }}), 150); } + } else { + var outside = e.clientY < editorSize.top ? -20 : e.clientY > editorSize.bottom ? 20 : 0; + if (outside) { setTimeout(operation(cm, function () { + if (counter != curCount) { return } + display.scroller.scrollTop += outside; + extend(e); + }), 50); } + } + } + + function done(e) { + cm.state.selectingText = false; + counter = Infinity; + // If e is null or undefined we interpret this as someone trying + // to explicitly cancel the selection rather than the user + // letting go of the mouse button. + if (e) { + e_preventDefault(e); + display.input.focus(); + } + off(display.wrapper.ownerDocument, "mousemove", move); + off(display.wrapper.ownerDocument, "mouseup", up); + doc.history.lastSelOrigin = null; + } + + var move = operation(cm, function (e) { + if (e.buttons === 0 || !e_button(e)) { done(e); } + else { extend(e); } + }); + var up = operation(cm, done); + cm.state.selectingText = up; + on(display.wrapper.ownerDocument, "mousemove", move); + on(display.wrapper.ownerDocument, "mouseup", up); + } + + // Used when mouse-selecting to adjust the anchor to the proper side + // of a bidi jump depending on the visual position of the head. + function bidiSimplify(cm, range) { + var anchor = range.anchor; + var head = range.head; + var anchorLine = getLine(cm.doc, anchor.line); + if (cmp(anchor, head) == 0 && anchor.sticky == head.sticky) { return range } + var order = getOrder(anchorLine); + if (!order) { return range } + var index = getBidiPartAt(order, anchor.ch, anchor.sticky), part = order[index]; + if (part.from != anchor.ch && part.to != anchor.ch) { return range } + var boundary = index + ((part.from == anchor.ch) == (part.level != 1) ? 0 : 1); + if (boundary == 0 || boundary == order.length) { return range } + + // Compute the relative visual position of the head compared to the + // anchor (<0 is to the left, >0 to the right) + var leftSide; + if (head.line != anchor.line) { + leftSide = (head.line - anchor.line) * (cm.doc.direction == "ltr" ? 1 : -1) > 0; + } else { + var headIndex = getBidiPartAt(order, head.ch, head.sticky); + var dir = headIndex - index || (head.ch - anchor.ch) * (part.level == 1 ? -1 : 1); + if (headIndex == boundary - 1 || headIndex == boundary) + { leftSide = dir < 0; } + else + { leftSide = dir > 0; } + } + + var usePart = order[boundary + (leftSide ? -1 : 0)]; + var from = leftSide == (usePart.level == 1); + var ch = from ? usePart.from : usePart.to, sticky = from ? "after" : "before"; + return anchor.ch == ch && anchor.sticky == sticky ? range : new Range(new Pos(anchor.line, ch, sticky), head) + } + + + // Determines whether an event happened in the gutter, and fires the + // handlers for the corresponding event. + function gutterEvent(cm, e, type, prevent) { + var mX, mY; + if (e.touches) { + mX = e.touches[0].clientX; + mY = e.touches[0].clientY; + } else { + try { mX = e.clientX; mY = e.clientY; } + catch(e$1) { return false } + } + if (mX >= Math.floor(cm.display.gutters.getBoundingClientRect().right)) { return false } + if (prevent) { e_preventDefault(e); } + + var display = cm.display; + var lineBox = display.lineDiv.getBoundingClientRect(); + + if (mY > lineBox.bottom || !hasHandler(cm, type)) { return e_defaultPrevented(e) } + mY -= lineBox.top - display.viewOffset; + + for (var i = 0; i < cm.display.gutterSpecs.length; ++i) { + var g = display.gutters.childNodes[i]; + if (g && g.getBoundingClientRect().right >= mX) { + var line = lineAtHeight(cm.doc, mY); + var gutter = cm.display.gutterSpecs[i]; + signal(cm, type, cm, line, gutter.className, e); + return e_defaultPrevented(e) + } + } + } + + function clickInGutter(cm, e) { + return gutterEvent(cm, e, "gutterClick", true) + } + + // CONTEXT MENU HANDLING + + // To make the context menu work, we need to briefly unhide the + // textarea (making it as unobtrusive as possible) to let the + // right-click take effect on it. + function onContextMenu(cm, e) { + if (eventInWidget(cm.display, e) || contextMenuInGutter(cm, e)) { return } + if (signalDOMEvent(cm, e, "contextmenu")) { return } + if (!captureRightClick) { cm.display.input.onContextMenu(e); } + } + + function contextMenuInGutter(cm, e) { + if (!hasHandler(cm, "gutterContextMenu")) { return false } + return gutterEvent(cm, e, "gutterContextMenu", false) + } + + function themeChanged(cm) { + cm.display.wrapper.className = cm.display.wrapper.className.replace(/\s*cm-s-\S+/g, "") + + cm.options.theme.replace(/(^|\s)\s*/g, " cm-s-"); + clearCaches(cm); + } + + var Init = {toString: function(){return "CodeMirror.Init"}}; + + var defaults = {}; + var optionHandlers = {}; + + function defineOptions(CodeMirror) { + var optionHandlers = CodeMirror.optionHandlers; + + function option(name, deflt, handle, notOnInit) { + CodeMirror.defaults[name] = deflt; + if (handle) { optionHandlers[name] = + notOnInit ? function (cm, val, old) {if (old != Init) { handle(cm, val, old); }} : handle; } + } + + CodeMirror.defineOption = option; + + // Passed to option handlers when there is no old value. + CodeMirror.Init = Init; + + // These two are, on init, called from the constructor because they + // have to be initialized before the editor can start at all. + option("value", "", function (cm, val) { return cm.setValue(val); }, true); + option("mode", null, function (cm, val) { + cm.doc.modeOption = val; + loadMode(cm); + }, true); + + option("indentUnit", 2, loadMode, true); + option("indentWithTabs", false); + option("smartIndent", true); + option("tabSize", 4, function (cm) { + resetModeState(cm); + clearCaches(cm); + regChange(cm); + }, true); + + option("lineSeparator", null, function (cm, val) { + cm.doc.lineSep = val; + if (!val) { return } + var newBreaks = [], lineNo = cm.doc.first; + cm.doc.iter(function (line) { + for (var pos = 0;;) { + var found = line.text.indexOf(val, pos); + if (found == -1) { break } + pos = found + val.length; + newBreaks.push(Pos(lineNo, found)); + } + lineNo++; + }); + for (var i = newBreaks.length - 1; i >= 0; i--) + { replaceRange(cm.doc, val, newBreaks[i], Pos(newBreaks[i].line, newBreaks[i].ch + val.length)); } + }); + option("specialChars", /[\u0000-\u001f\u007f-\u009f\u00ad\u061c\u200b\u200e\u200f\u2028\u2029\u202d\u202e\u2066\u2067\u2069\ufeff\ufff9-\ufffc]/g, function (cm, val, old) { + cm.state.specialChars = new RegExp(val.source + (val.test("\t") ? "" : "|\t"), "g"); + if (old != Init) { cm.refresh(); } + }); + option("specialCharPlaceholder", defaultSpecialCharPlaceholder, function (cm) { return cm.refresh(); }, true); + option("electricChars", true); + option("inputStyle", mobile ? "contenteditable" : "textarea", function () { + throw new Error("inputStyle can not (yet) be changed in a running editor") // FIXME + }, true); + option("spellcheck", false, function (cm, val) { return cm.getInputField().spellcheck = val; }, true); + option("autocorrect", false, function (cm, val) { return cm.getInputField().autocorrect = val; }, true); + option("autocapitalize", false, function (cm, val) { return cm.getInputField().autocapitalize = val; }, true); + option("rtlMoveVisually", !windows); + option("wholeLineUpdateBefore", true); + + option("theme", "default", function (cm) { + themeChanged(cm); + updateGutters(cm); + }, true); + option("keyMap", "default", function (cm, val, old) { + var next = getKeyMap(val); + var prev = old != Init && getKeyMap(old); + if (prev && prev.detach) { prev.detach(cm, next); } + if (next.attach) { next.attach(cm, prev || null); } + }); + option("extraKeys", null); + option("configureMouse", null); + + option("lineWrapping", false, wrappingChanged, true); + option("gutters", [], function (cm, val) { + cm.display.gutterSpecs = getGutters(val, cm.options.lineNumbers); + updateGutters(cm); + }, true); + option("fixedGutter", true, function (cm, val) { + cm.display.gutters.style.left = val ? compensateForHScroll(cm.display) + "px" : "0"; + cm.refresh(); + }, true); + option("coverGutterNextToScrollbar", false, function (cm) { return updateScrollbars(cm); }, true); + option("scrollbarStyle", "native", function (cm) { + initScrollbars(cm); + updateScrollbars(cm); + cm.display.scrollbars.setScrollTop(cm.doc.scrollTop); + cm.display.scrollbars.setScrollLeft(cm.doc.scrollLeft); + }, true); + option("lineNumbers", false, function (cm, val) { + cm.display.gutterSpecs = getGutters(cm.options.gutters, val); + updateGutters(cm); + }, true); + option("firstLineNumber", 1, updateGutters, true); + option("lineNumberFormatter", function (integer) { return integer; }, updateGutters, true); + option("showCursorWhenSelecting", false, updateSelection, true); + + option("resetSelectionOnContextMenu", true); + option("lineWiseCopyCut", true); + option("pasteLinesPerSelection", true); + option("selectionsMayTouch", false); + + option("readOnly", false, function (cm, val) { + if (val == "nocursor") { + onBlur(cm); + cm.display.input.blur(); + } + cm.display.input.readOnlyChanged(val); + }); + + option("screenReaderLabel", null, function (cm, val) { + val = (val === '') ? null : val; + cm.display.input.screenReaderLabelChanged(val); + }); + + option("disableInput", false, function (cm, val) {if (!val) { cm.display.input.reset(); }}, true); + option("dragDrop", true, dragDropChanged); + option("allowDropFileTypes", null); + + option("cursorBlinkRate", 530); + option("cursorScrollMargin", 0); + option("cursorHeight", 1, updateSelection, true); + option("singleCursorHeightPerLine", true, updateSelection, true); + option("workTime", 100); + option("workDelay", 100); + option("flattenSpans", true, resetModeState, true); + option("addModeClass", false, resetModeState, true); + option("pollInterval", 100); + option("undoDepth", 200, function (cm, val) { return cm.doc.history.undoDepth = val; }); + option("historyEventDelay", 1250); + option("viewportMargin", 10, function (cm) { return cm.refresh(); }, true); + option("maxHighlightLength", 10000, resetModeState, true); + option("moveInputWithCursor", true, function (cm, val) { + if (!val) { cm.display.input.resetPosition(); } + }); + + option("tabindex", null, function (cm, val) { return cm.display.input.getField().tabIndex = val || ""; }); + option("autofocus", null); + option("direction", "ltr", function (cm, val) { return cm.doc.setDirection(val); }, true); + option("phrases", null); + } + + function dragDropChanged(cm, value, old) { + var wasOn = old && old != Init; + if (!value != !wasOn) { + var funcs = cm.display.dragFunctions; + var toggle = value ? on : off; + toggle(cm.display.scroller, "dragstart", funcs.start); + toggle(cm.display.scroller, "dragenter", funcs.enter); + toggle(cm.display.scroller, "dragover", funcs.over); + toggle(cm.display.scroller, "dragleave", funcs.leave); + toggle(cm.display.scroller, "drop", funcs.drop); + } + } + + function wrappingChanged(cm) { + if (cm.options.lineWrapping) { + addClass(cm.display.wrapper, "CodeMirror-wrap"); + cm.display.sizer.style.minWidth = ""; + cm.display.sizerWidth = null; + } else { + rmClass(cm.display.wrapper, "CodeMirror-wrap"); + findMaxLine(cm); + } + estimateLineHeights(cm); + regChange(cm); + clearCaches(cm); + setTimeout(function () { return updateScrollbars(cm); }, 100); + } + + // A CodeMirror instance represents an editor. This is the object + // that user code is usually dealing with. + + function CodeMirror(place, options) { + var this$1 = this; + + if (!(this instanceof CodeMirror)) { return new CodeMirror(place, options) } + + this.options = options = options ? copyObj(options) : {}; + // Determine effective options based on given values and defaults. + copyObj(defaults, options, false); + + var doc = options.value; + if (typeof doc == "string") { doc = new Doc(doc, options.mode, null, options.lineSeparator, options.direction); } + else if (options.mode) { doc.modeOption = options.mode; } + this.doc = doc; + + var input = new CodeMirror.inputStyles[options.inputStyle](this); + var display = this.display = new Display(place, doc, input, options); + display.wrapper.CodeMirror = this; + themeChanged(this); + if (options.lineWrapping) + { this.display.wrapper.className += " CodeMirror-wrap"; } + initScrollbars(this); + + this.state = { + keyMaps: [], // stores maps added by addKeyMap + overlays: [], // highlighting overlays, as added by addOverlay + modeGen: 0, // bumped when mode/overlay changes, used to invalidate highlighting info + overwrite: false, + delayingBlurEvent: false, + focused: false, + suppressEdits: false, // used to disable editing during key handlers when in readOnly mode + pasteIncoming: -1, cutIncoming: -1, // help recognize paste/cut edits in input.poll + selectingText: false, + draggingText: false, + highlight: new Delayed(), // stores highlight worker timeout + keySeq: null, // Unfinished key sequence + specialChars: null + }; + + if (options.autofocus && !mobile) { display.input.focus(); } + + // Override magic textarea content restore that IE sometimes does + // on our hidden textarea on reload + if (ie && ie_version < 11) { setTimeout(function () { return this$1.display.input.reset(true); }, 20); } + + registerEventHandlers(this); + ensureGlobalHandlers(); + + startOperation(this); + this.curOp.forceUpdate = true; + attachDoc(this, doc); + + if ((options.autofocus && !mobile) || this.hasFocus()) + { setTimeout(function () { + if (this$1.hasFocus() && !this$1.state.focused) { onFocus(this$1); } + }, 20); } + else + { onBlur(this); } + + for (var opt in optionHandlers) { if (optionHandlers.hasOwnProperty(opt)) + { optionHandlers[opt](this, options[opt], Init); } } + maybeUpdateLineNumberWidth(this); + if (options.finishInit) { options.finishInit(this); } + for (var i = 0; i < initHooks.length; ++i) { initHooks[i](this); } + endOperation(this); + // Suppress optimizelegibility in Webkit, since it breaks text + // measuring on line wrapping boundaries. + if (webkit && options.lineWrapping && + getComputedStyle(display.lineDiv).textRendering == "optimizelegibility") + { display.lineDiv.style.textRendering = "auto"; } + } + + // The default configuration options. + CodeMirror.defaults = defaults; + // Functions to run when options are changed. + CodeMirror.optionHandlers = optionHandlers; + + // Attach the necessary event handlers when initializing the editor + function registerEventHandlers(cm) { + var d = cm.display; + on(d.scroller, "mousedown", operation(cm, onMouseDown)); + // Older IE's will not fire a second mousedown for a double click + if (ie && ie_version < 11) + { on(d.scroller, "dblclick", operation(cm, function (e) { + if (signalDOMEvent(cm, e)) { return } + var pos = posFromMouse(cm, e); + if (!pos || clickInGutter(cm, e) || eventInWidget(cm.display, e)) { return } + e_preventDefault(e); + var word = cm.findWordAt(pos); + extendSelection(cm.doc, word.anchor, word.head); + })); } + else + { on(d.scroller, "dblclick", function (e) { return signalDOMEvent(cm, e) || e_preventDefault(e); }); } + // Some browsers fire contextmenu *after* opening the menu, at + // which point we can't mess with it anymore. Context menu is + // handled in onMouseDown for these browsers. + on(d.scroller, "contextmenu", function (e) { return onContextMenu(cm, e); }); + on(d.input.getField(), "contextmenu", function (e) { + if (!d.scroller.contains(e.target)) { onContextMenu(cm, e); } + }); + + // Used to suppress mouse event handling when a touch happens + var touchFinished, prevTouch = {end: 0}; + function finishTouch() { + if (d.activeTouch) { + touchFinished = setTimeout(function () { return d.activeTouch = null; }, 1000); + prevTouch = d.activeTouch; + prevTouch.end = +new Date; + } + } + function isMouseLikeTouchEvent(e) { + if (e.touches.length != 1) { return false } + var touch = e.touches[0]; + return touch.radiusX <= 1 && touch.radiusY <= 1 + } + function farAway(touch, other) { + if (other.left == null) { return true } + var dx = other.left - touch.left, dy = other.top - touch.top; + return dx * dx + dy * dy > 20 * 20 + } + on(d.scroller, "touchstart", function (e) { + if (!signalDOMEvent(cm, e) && !isMouseLikeTouchEvent(e) && !clickInGutter(cm, e)) { + d.input.ensurePolled(); + clearTimeout(touchFinished); + var now = +new Date; + d.activeTouch = {start: now, moved: false, + prev: now - prevTouch.end <= 300 ? prevTouch : null}; + if (e.touches.length == 1) { + d.activeTouch.left = e.touches[0].pageX; + d.activeTouch.top = e.touches[0].pageY; + } + } + }); + on(d.scroller, "touchmove", function () { + if (d.activeTouch) { d.activeTouch.moved = true; } + }); + on(d.scroller, "touchend", function (e) { + var touch = d.activeTouch; + if (touch && !eventInWidget(d, e) && touch.left != null && + !touch.moved && new Date - touch.start < 300) { + var pos = cm.coordsChar(d.activeTouch, "page"), range; + if (!touch.prev || farAway(touch, touch.prev)) // Single tap + { range = new Range(pos, pos); } + else if (!touch.prev.prev || farAway(touch, touch.prev.prev)) // Double tap + { range = cm.findWordAt(pos); } + else // Triple tap + { range = new Range(Pos(pos.line, 0), clipPos(cm.doc, Pos(pos.line + 1, 0))); } + cm.setSelection(range.anchor, range.head); + cm.focus(); + e_preventDefault(e); + } + finishTouch(); + }); + on(d.scroller, "touchcancel", finishTouch); + + // Sync scrolling between fake scrollbars and real scrollable + // area, ensure viewport is updated when scrolling. + on(d.scroller, "scroll", function () { + if (d.scroller.clientHeight) { + updateScrollTop(cm, d.scroller.scrollTop); + setScrollLeft(cm, d.scroller.scrollLeft, true); + signal(cm, "scroll", cm); + } + }); + + // Listen to wheel events in order to try and update the viewport on time. + on(d.scroller, "mousewheel", function (e) { return onScrollWheel(cm, e); }); + on(d.scroller, "DOMMouseScroll", function (e) { return onScrollWheel(cm, e); }); + + // Prevent wrapper from ever scrolling + on(d.wrapper, "scroll", function () { return d.wrapper.scrollTop = d.wrapper.scrollLeft = 0; }); + + d.dragFunctions = { + enter: function (e) {if (!signalDOMEvent(cm, e)) { e_stop(e); }}, + over: function (e) {if (!signalDOMEvent(cm, e)) { onDragOver(cm, e); e_stop(e); }}, + start: function (e) { return onDragStart(cm, e); }, + drop: operation(cm, onDrop), + leave: function (e) {if (!signalDOMEvent(cm, e)) { clearDragCursor(cm); }} + }; + + var inp = d.input.getField(); + on(inp, "keyup", function (e) { return onKeyUp.call(cm, e); }); + on(inp, "keydown", operation(cm, onKeyDown)); + on(inp, "keypress", operation(cm, onKeyPress)); + on(inp, "focus", function (e) { return onFocus(cm, e); }); + on(inp, "blur", function (e) { return onBlur(cm, e); }); + } + + var initHooks = []; + CodeMirror.defineInitHook = function (f) { return initHooks.push(f); }; + + // Indent the given line. The how parameter can be "smart", + // "add"/null, "subtract", or "prev". When aggressive is false + // (typically set to true for forced single-line indents), empty + // lines are not indented, and places where the mode returns Pass + // are left alone. + function indentLine(cm, n, how, aggressive) { + var doc = cm.doc, state; + if (how == null) { how = "add"; } + if (how == "smart") { + // Fall back to "prev" when the mode doesn't have an indentation + // method. + if (!doc.mode.indent) { how = "prev"; } + else { state = getContextBefore(cm, n).state; } + } + + var tabSize = cm.options.tabSize; + var line = getLine(doc, n), curSpace = countColumn(line.text, null, tabSize); + if (line.stateAfter) { line.stateAfter = null; } + var curSpaceString = line.text.match(/^\s*/)[0], indentation; + if (!aggressive && !/\S/.test(line.text)) { + indentation = 0; + how = "not"; + } else if (how == "smart") { + indentation = doc.mode.indent(state, line.text.slice(curSpaceString.length), line.text); + if (indentation == Pass || indentation > 150) { + if (!aggressive) { return } + how = "prev"; + } + } + if (how == "prev") { + if (n > doc.first) { indentation = countColumn(getLine(doc, n-1).text, null, tabSize); } + else { indentation = 0; } + } else if (how == "add") { + indentation = curSpace + cm.options.indentUnit; + } else if (how == "subtract") { + indentation = curSpace - cm.options.indentUnit; + } else if (typeof how == "number") { + indentation = curSpace + how; + } + indentation = Math.max(0, indentation); + + var indentString = "", pos = 0; + if (cm.options.indentWithTabs) + { for (var i = Math.floor(indentation / tabSize); i; --i) {pos += tabSize; indentString += "\t";} } + if (pos < indentation) { indentString += spaceStr(indentation - pos); } + + if (indentString != curSpaceString) { + replaceRange(doc, indentString, Pos(n, 0), Pos(n, curSpaceString.length), "+input"); + line.stateAfter = null; + return true + } else { + // Ensure that, if the cursor was in the whitespace at the start + // of the line, it is moved to the end of that space. + for (var i$1 = 0; i$1 < doc.sel.ranges.length; i$1++) { + var range = doc.sel.ranges[i$1]; + if (range.head.line == n && range.head.ch < curSpaceString.length) { + var pos$1 = Pos(n, curSpaceString.length); + replaceOneSelection(doc, i$1, new Range(pos$1, pos$1)); + break + } + } + } + } + + // This will be set to a {lineWise: bool, text: [string]} object, so + // that, when pasting, we know what kind of selections the copied + // text was made out of. + var lastCopied = null; + + function setLastCopied(newLastCopied) { + lastCopied = newLastCopied; + } + + function applyTextInput(cm, inserted, deleted, sel, origin) { + var doc = cm.doc; + cm.display.shift = false; + if (!sel) { sel = doc.sel; } + + var recent = +new Date - 200; + var paste = origin == "paste" || cm.state.pasteIncoming > recent; + var textLines = splitLinesAuto(inserted), multiPaste = null; + // When pasting N lines into N selections, insert one line per selection + if (paste && sel.ranges.length > 1) { + if (lastCopied && lastCopied.text.join("\n") == inserted) { + if (sel.ranges.length % lastCopied.text.length == 0) { + multiPaste = []; + for (var i = 0; i < lastCopied.text.length; i++) + { multiPaste.push(doc.splitLines(lastCopied.text[i])); } + } + } else if (textLines.length == sel.ranges.length && cm.options.pasteLinesPerSelection) { + multiPaste = map(textLines, function (l) { return [l]; }); + } + } + + var updateInput = cm.curOp.updateInput; + // Normal behavior is to insert the new text into every selection + for (var i$1 = sel.ranges.length - 1; i$1 >= 0; i$1--) { + var range = sel.ranges[i$1]; + var from = range.from(), to = range.to(); + if (range.empty()) { + if (deleted && deleted > 0) // Handle deletion + { from = Pos(from.line, from.ch - deleted); } + else if (cm.state.overwrite && !paste) // Handle overwrite + { to = Pos(to.line, Math.min(getLine(doc, to.line).text.length, to.ch + lst(textLines).length)); } + else if (paste && lastCopied && lastCopied.lineWise && lastCopied.text.join("\n") == textLines.join("\n")) + { from = to = Pos(from.line, 0); } + } + var changeEvent = {from: from, to: to, text: multiPaste ? multiPaste[i$1 % multiPaste.length] : textLines, + origin: origin || (paste ? "paste" : cm.state.cutIncoming > recent ? "cut" : "+input")}; + makeChange(cm.doc, changeEvent); + signalLater(cm, "inputRead", cm, changeEvent); + } + if (inserted && !paste) + { triggerElectric(cm, inserted); } + + ensureCursorVisible(cm); + if (cm.curOp.updateInput < 2) { cm.curOp.updateInput = updateInput; } + cm.curOp.typing = true; + cm.state.pasteIncoming = cm.state.cutIncoming = -1; + } + + function handlePaste(e, cm) { + var pasted = e.clipboardData && e.clipboardData.getData("Text"); + if (pasted) { + e.preventDefault(); + if (!cm.isReadOnly() && !cm.options.disableInput && cm.hasFocus()) + { runInOp(cm, function () { return applyTextInput(cm, pasted, 0, null, "paste"); }); } + return true + } + } + + function triggerElectric(cm, inserted) { + // When an 'electric' character is inserted, immediately trigger a reindent + if (!cm.options.electricChars || !cm.options.smartIndent) { return } + var sel = cm.doc.sel; + + for (var i = sel.ranges.length - 1; i >= 0; i--) { + var range = sel.ranges[i]; + if (range.head.ch > 100 || (i && sel.ranges[i - 1].head.line == range.head.line)) { continue } + var mode = cm.getModeAt(range.head); + var indented = false; + if (mode.electricChars) { + for (var j = 0; j < mode.electricChars.length; j++) + { if (inserted.indexOf(mode.electricChars.charAt(j)) > -1) { + indented = indentLine(cm, range.head.line, "smart"); + break + } } + } else if (mode.electricInput) { + if (mode.electricInput.test(getLine(cm.doc, range.head.line).text.slice(0, range.head.ch))) + { indented = indentLine(cm, range.head.line, "smart"); } + } + if (indented) { signalLater(cm, "electricInput", cm, range.head.line); } + } + } + + function copyableRanges(cm) { + var text = [], ranges = []; + for (var i = 0; i < cm.doc.sel.ranges.length; i++) { + var line = cm.doc.sel.ranges[i].head.line; + var lineRange = {anchor: Pos(line, 0), head: Pos(line + 1, 0)}; + ranges.push(lineRange); + text.push(cm.getRange(lineRange.anchor, lineRange.head)); + } + return {text: text, ranges: ranges} + } + + function disableBrowserMagic(field, spellcheck, autocorrect, autocapitalize) { + field.setAttribute("autocorrect", autocorrect ? "on" : "off"); + field.setAttribute("autocapitalize", autocapitalize ? "on" : "off"); + field.setAttribute("spellcheck", !!spellcheck); + } + + function hiddenTextarea() { + var te = elt("textarea", null, null, "position: absolute; bottom: -1em; padding: 0; width: 1px; height: 1em; min-height: 1em; outline: none"); + var div = elt("div", [te], null, "overflow: hidden; position: relative; width: 3px; height: 0px;"); + // The textarea is kept positioned near the cursor to prevent the + // fact that it'll be scrolled into view on input from scrolling + // our fake cursor out of view. On webkit, when wrap=off, paste is + // very slow. So make the area wide instead. + if (webkit) { te.style.width = "1000px"; } + else { te.setAttribute("wrap", "off"); } + // If border: 0; -- iOS fails to open keyboard (issue #1287) + if (ios) { te.style.border = "1px solid black"; } + return div + } + + // The publicly visible API. Note that methodOp(f) means + // 'wrap f in an operation, performed on its `this` parameter'. + + // This is not the complete set of editor methods. Most of the + // methods defined on the Doc type are also injected into + // CodeMirror.prototype, for backwards compatibility and + // convenience. + + function addEditorMethods(CodeMirror) { + var optionHandlers = CodeMirror.optionHandlers; + + var helpers = CodeMirror.helpers = {}; + + CodeMirror.prototype = { + constructor: CodeMirror, + focus: function(){win(this).focus(); this.display.input.focus();}, + + setOption: function(option, value) { + var options = this.options, old = options[option]; + if (options[option] == value && option != "mode") { return } + options[option] = value; + if (optionHandlers.hasOwnProperty(option)) + { operation(this, optionHandlers[option])(this, value, old); } + signal(this, "optionChange", this, option); + }, + + getOption: function(option) {return this.options[option]}, + getDoc: function() {return this.doc}, + + addKeyMap: function(map, bottom) { + this.state.keyMaps[bottom ? "push" : "unshift"](getKeyMap(map)); + }, + removeKeyMap: function(map) { + var maps = this.state.keyMaps; + for (var i = 0; i < maps.length; ++i) + { if (maps[i] == map || maps[i].name == map) { + maps.splice(i, 1); + return true + } } + }, + + addOverlay: methodOp(function(spec, options) { + var mode = spec.token ? spec : CodeMirror.getMode(this.options, spec); + if (mode.startState) { throw new Error("Overlays may not be stateful.") } + insertSorted(this.state.overlays, + {mode: mode, modeSpec: spec, opaque: options && options.opaque, + priority: (options && options.priority) || 0}, + function (overlay) { return overlay.priority; }); + this.state.modeGen++; + regChange(this); + }), + removeOverlay: methodOp(function(spec) { + var overlays = this.state.overlays; + for (var i = 0; i < overlays.length; ++i) { + var cur = overlays[i].modeSpec; + if (cur == spec || typeof spec == "string" && cur.name == spec) { + overlays.splice(i, 1); + this.state.modeGen++; + regChange(this); + return + } + } + }), + + indentLine: methodOp(function(n, dir, aggressive) { + if (typeof dir != "string" && typeof dir != "number") { + if (dir == null) { dir = this.options.smartIndent ? "smart" : "prev"; } + else { dir = dir ? "add" : "subtract"; } + } + if (isLine(this.doc, n)) { indentLine(this, n, dir, aggressive); } + }), + indentSelection: methodOp(function(how) { + var ranges = this.doc.sel.ranges, end = -1; + for (var i = 0; i < ranges.length; i++) { + var range = ranges[i]; + if (!range.empty()) { + var from = range.from(), to = range.to(); + var start = Math.max(end, from.line); + end = Math.min(this.lastLine(), to.line - (to.ch ? 0 : 1)) + 1; + for (var j = start; j < end; ++j) + { indentLine(this, j, how); } + var newRanges = this.doc.sel.ranges; + if (from.ch == 0 && ranges.length == newRanges.length && newRanges[i].from().ch > 0) + { replaceOneSelection(this.doc, i, new Range(from, newRanges[i].to()), sel_dontScroll); } + } else if (range.head.line > end) { + indentLine(this, range.head.line, how, true); + end = range.head.line; + if (i == this.doc.sel.primIndex) { ensureCursorVisible(this); } + } + } + }), + + // Fetch the parser token for a given character. Useful for hacks + // that want to inspect the mode state (say, for completion). + getTokenAt: function(pos, precise) { + return takeToken(this, pos, precise) + }, + + getLineTokens: function(line, precise) { + return takeToken(this, Pos(line), precise, true) + }, + + getTokenTypeAt: function(pos) { + pos = clipPos(this.doc, pos); + var styles = getLineStyles(this, getLine(this.doc, pos.line)); + var before = 0, after = (styles.length - 1) / 2, ch = pos.ch; + var type; + if (ch == 0) { type = styles[2]; } + else { for (;;) { + var mid = (before + after) >> 1; + if ((mid ? styles[mid * 2 - 1] : 0) >= ch) { after = mid; } + else if (styles[mid * 2 + 1] < ch) { before = mid + 1; } + else { type = styles[mid * 2 + 2]; break } + } } + var cut = type ? type.indexOf("overlay ") : -1; + return cut < 0 ? type : cut == 0 ? null : type.slice(0, cut - 1) + }, + + getModeAt: function(pos) { + var mode = this.doc.mode; + if (!mode.innerMode) { return mode } + return CodeMirror.innerMode(mode, this.getTokenAt(pos).state).mode + }, + + getHelper: function(pos, type) { + return this.getHelpers(pos, type)[0] + }, + + getHelpers: function(pos, type) { + var found = []; + if (!helpers.hasOwnProperty(type)) { return found } + var help = helpers[type], mode = this.getModeAt(pos); + if (typeof mode[type] == "string") { + if (help[mode[type]]) { found.push(help[mode[type]]); } + } else if (mode[type]) { + for (var i = 0; i < mode[type].length; i++) { + var val = help[mode[type][i]]; + if (val) { found.push(val); } + } + } else if (mode.helperType && help[mode.helperType]) { + found.push(help[mode.helperType]); + } else if (help[mode.name]) { + found.push(help[mode.name]); + } + for (var i$1 = 0; i$1 < help._global.length; i$1++) { + var cur = help._global[i$1]; + if (cur.pred(mode, this) && indexOf(found, cur.val) == -1) + { found.push(cur.val); } + } + return found + }, + + getStateAfter: function(line, precise) { + var doc = this.doc; + line = clipLine(doc, line == null ? doc.first + doc.size - 1: line); + return getContextBefore(this, line + 1, precise).state + }, + + cursorCoords: function(start, mode) { + var pos, range = this.doc.sel.primary(); + if (start == null) { pos = range.head; } + else if (typeof start == "object") { pos = clipPos(this.doc, start); } + else { pos = start ? range.from() : range.to(); } + return cursorCoords(this, pos, mode || "page") + }, + + charCoords: function(pos, mode) { + return charCoords(this, clipPos(this.doc, pos), mode || "page") + }, + + coordsChar: function(coords, mode) { + coords = fromCoordSystem(this, coords, mode || "page"); + return coordsChar(this, coords.left, coords.top) + }, + + lineAtHeight: function(height, mode) { + height = fromCoordSystem(this, {top: height, left: 0}, mode || "page").top; + return lineAtHeight(this.doc, height + this.display.viewOffset) + }, + heightAtLine: function(line, mode, includeWidgets) { + var end = false, lineObj; + if (typeof line == "number") { + var last = this.doc.first + this.doc.size - 1; + if (line < this.doc.first) { line = this.doc.first; } + else if (line > last) { line = last; end = true; } + lineObj = getLine(this.doc, line); + } else { + lineObj = line; + } + return intoCoordSystem(this, lineObj, {top: 0, left: 0}, mode || "page", includeWidgets || end).top + + (end ? this.doc.height - heightAtLine(lineObj) : 0) + }, + + defaultTextHeight: function() { return textHeight(this.display) }, + defaultCharWidth: function() { return charWidth(this.display) }, + + getViewport: function() { return {from: this.display.viewFrom, to: this.display.viewTo}}, + + addWidget: function(pos, node, scroll, vert, horiz) { + var display = this.display; + pos = cursorCoords(this, clipPos(this.doc, pos)); + var top = pos.bottom, left = pos.left; + node.style.position = "absolute"; + node.setAttribute("cm-ignore-events", "true"); + this.display.input.setUneditable(node); + display.sizer.appendChild(node); + if (vert == "over") { + top = pos.top; + } else if (vert == "above" || vert == "near") { + var vspace = Math.max(display.wrapper.clientHeight, this.doc.height), + hspace = Math.max(display.sizer.clientWidth, display.lineSpace.clientWidth); + // Default to positioning above (if specified and possible); otherwise default to positioning below + if ((vert == 'above' || pos.bottom + node.offsetHeight > vspace) && pos.top > node.offsetHeight) + { top = pos.top - node.offsetHeight; } + else if (pos.bottom + node.offsetHeight <= vspace) + { top = pos.bottom; } + if (left + node.offsetWidth > hspace) + { left = hspace - node.offsetWidth; } + } + node.style.top = top + "px"; + node.style.left = node.style.right = ""; + if (horiz == "right") { + left = display.sizer.clientWidth - node.offsetWidth; + node.style.right = "0px"; + } else { + if (horiz == "left") { left = 0; } + else if (horiz == "middle") { left = (display.sizer.clientWidth - node.offsetWidth) / 2; } + node.style.left = left + "px"; + } + if (scroll) + { scrollIntoView(this, {left: left, top: top, right: left + node.offsetWidth, bottom: top + node.offsetHeight}); } + }, + + triggerOnKeyDown: methodOp(onKeyDown), + triggerOnKeyPress: methodOp(onKeyPress), + triggerOnKeyUp: onKeyUp, + triggerOnMouseDown: methodOp(onMouseDown), + + execCommand: function(cmd) { + if (commands.hasOwnProperty(cmd)) + { return commands[cmd].call(null, this) } + }, + + triggerElectric: methodOp(function(text) { triggerElectric(this, text); }), + + findPosH: function(from, amount, unit, visually) { + var dir = 1; + if (amount < 0) { dir = -1; amount = -amount; } + var cur = clipPos(this.doc, from); + for (var i = 0; i < amount; ++i) { + cur = findPosH(this.doc, cur, dir, unit, visually); + if (cur.hitSide) { break } + } + return cur + }, + + moveH: methodOp(function(dir, unit) { + var this$1 = this; + + this.extendSelectionsBy(function (range) { + if (this$1.display.shift || this$1.doc.extend || range.empty()) + { return findPosH(this$1.doc, range.head, dir, unit, this$1.options.rtlMoveVisually) } + else + { return dir < 0 ? range.from() : range.to() } + }, sel_move); + }), + + deleteH: methodOp(function(dir, unit) { + var sel = this.doc.sel, doc = this.doc; + if (sel.somethingSelected()) + { doc.replaceSelection("", null, "+delete"); } + else + { deleteNearSelection(this, function (range) { + var other = findPosH(doc, range.head, dir, unit, false); + return dir < 0 ? {from: other, to: range.head} : {from: range.head, to: other} + }); } + }), + + findPosV: function(from, amount, unit, goalColumn) { + var dir = 1, x = goalColumn; + if (amount < 0) { dir = -1; amount = -amount; } + var cur = clipPos(this.doc, from); + for (var i = 0; i < amount; ++i) { + var coords = cursorCoords(this, cur, "div"); + if (x == null) { x = coords.left; } + else { coords.left = x; } + cur = findPosV(this, coords, dir, unit); + if (cur.hitSide) { break } + } + return cur + }, + + moveV: methodOp(function(dir, unit) { + var this$1 = this; + + var doc = this.doc, goals = []; + var collapse = !this.display.shift && !doc.extend && doc.sel.somethingSelected(); + doc.extendSelectionsBy(function (range) { + if (collapse) + { return dir < 0 ? range.from() : range.to() } + var headPos = cursorCoords(this$1, range.head, "div"); + if (range.goalColumn != null) { headPos.left = range.goalColumn; } + goals.push(headPos.left); + var pos = findPosV(this$1, headPos, dir, unit); + if (unit == "page" && range == doc.sel.primary()) + { addToScrollTop(this$1, charCoords(this$1, pos, "div").top - headPos.top); } + return pos + }, sel_move); + if (goals.length) { for (var i = 0; i < doc.sel.ranges.length; i++) + { doc.sel.ranges[i].goalColumn = goals[i]; } } + }), + + // Find the word at the given position (as returned by coordsChar). + findWordAt: function(pos) { + var doc = this.doc, line = getLine(doc, pos.line).text; + var start = pos.ch, end = pos.ch; + if (line) { + var helper = this.getHelper(pos, "wordChars"); + if ((pos.sticky == "before" || end == line.length) && start) { --start; } else { ++end; } + var startChar = line.charAt(start); + var check = isWordChar(startChar, helper) + ? function (ch) { return isWordChar(ch, helper); } + : /\s/.test(startChar) ? function (ch) { return /\s/.test(ch); } + : function (ch) { return (!/\s/.test(ch) && !isWordChar(ch)); }; + while (start > 0 && check(line.charAt(start - 1))) { --start; } + while (end < line.length && check(line.charAt(end))) { ++end; } + } + return new Range(Pos(pos.line, start), Pos(pos.line, end)) + }, + + toggleOverwrite: function(value) { + if (value != null && value == this.state.overwrite) { return } + if (this.state.overwrite = !this.state.overwrite) + { addClass(this.display.cursorDiv, "CodeMirror-overwrite"); } + else + { rmClass(this.display.cursorDiv, "CodeMirror-overwrite"); } + + signal(this, "overwriteToggle", this, this.state.overwrite); + }, + hasFocus: function() { return this.display.input.getField() == activeElt(root(this)) }, + isReadOnly: function() { return !!(this.options.readOnly || this.doc.cantEdit) }, + + scrollTo: methodOp(function (x, y) { scrollToCoords(this, x, y); }), + getScrollInfo: function() { + var scroller = this.display.scroller; + return {left: scroller.scrollLeft, top: scroller.scrollTop, + height: scroller.scrollHeight - scrollGap(this) - this.display.barHeight, + width: scroller.scrollWidth - scrollGap(this) - this.display.barWidth, + clientHeight: displayHeight(this), clientWidth: displayWidth(this)} + }, + + scrollIntoView: methodOp(function(range, margin) { + if (range == null) { + range = {from: this.doc.sel.primary().head, to: null}; + if (margin == null) { margin = this.options.cursorScrollMargin; } + } else if (typeof range == "number") { + range = {from: Pos(range, 0), to: null}; + } else if (range.from == null) { + range = {from: range, to: null}; + } + if (!range.to) { range.to = range.from; } + range.margin = margin || 0; + + if (range.from.line != null) { + scrollToRange(this, range); + } else { + scrollToCoordsRange(this, range.from, range.to, range.margin); + } + }), + + setSize: methodOp(function(width, height) { + var this$1 = this; + + var interpret = function (val) { return typeof val == "number" || /^\d+$/.test(String(val)) ? val + "px" : val; }; + if (width != null) { this.display.wrapper.style.width = interpret(width); } + if (height != null) { this.display.wrapper.style.height = interpret(height); } + if (this.options.lineWrapping) { clearLineMeasurementCache(this); } + var lineNo = this.display.viewFrom; + this.doc.iter(lineNo, this.display.viewTo, function (line) { + if (line.widgets) { for (var i = 0; i < line.widgets.length; i++) + { if (line.widgets[i].noHScroll) { regLineChange(this$1, lineNo, "widget"); break } } } + ++lineNo; + }); + this.curOp.forceUpdate = true; + signal(this, "refresh", this); + }), + + operation: function(f){return runInOp(this, f)}, + startOperation: function(){return startOperation(this)}, + endOperation: function(){return endOperation(this)}, + + refresh: methodOp(function() { + var oldHeight = this.display.cachedTextHeight; + regChange(this); + this.curOp.forceUpdate = true; + clearCaches(this); + scrollToCoords(this, this.doc.scrollLeft, this.doc.scrollTop); + updateGutterSpace(this.display); + if (oldHeight == null || Math.abs(oldHeight - textHeight(this.display)) > .5 || this.options.lineWrapping) + { estimateLineHeights(this); } + signal(this, "refresh", this); + }), + + swapDoc: methodOp(function(doc) { + var old = this.doc; + old.cm = null; + // Cancel the current text selection if any (#5821) + if (this.state.selectingText) { this.state.selectingText(); } + attachDoc(this, doc); + clearCaches(this); + this.display.input.reset(); + scrollToCoords(this, doc.scrollLeft, doc.scrollTop); + this.curOp.forceScroll = true; + signalLater(this, "swapDoc", this, old); + return old + }), + + phrase: function(phraseText) { + var phrases = this.options.phrases; + return phrases && Object.prototype.hasOwnProperty.call(phrases, phraseText) ? phrases[phraseText] : phraseText + }, + + getInputField: function(){return this.display.input.getField()}, + getWrapperElement: function(){return this.display.wrapper}, + getScrollerElement: function(){return this.display.scroller}, + getGutterElement: function(){return this.display.gutters} + }; + eventMixin(CodeMirror); + + CodeMirror.registerHelper = function(type, name, value) { + if (!helpers.hasOwnProperty(type)) { helpers[type] = CodeMirror[type] = {_global: []}; } + helpers[type][name] = value; + }; + CodeMirror.registerGlobalHelper = function(type, name, predicate, value) { + CodeMirror.registerHelper(type, name, value); + helpers[type]._global.push({pred: predicate, val: value}); + }; + } + + // Used for horizontal relative motion. Dir is -1 or 1 (left or + // right), unit can be "codepoint", "char", "column" (like char, but + // doesn't cross line boundaries), "word" (across next word), or + // "group" (to the start of next group of word or + // non-word-non-whitespace chars). The visually param controls + // whether, in right-to-left text, direction 1 means to move towards + // the next index in the string, or towards the character to the right + // of the current position. The resulting position will have a + // hitSide=true property if it reached the end of the document. + function findPosH(doc, pos, dir, unit, visually) { + var oldPos = pos; + var origDir = dir; + var lineObj = getLine(doc, pos.line); + var lineDir = visually && doc.direction == "rtl" ? -dir : dir; + function findNextLine() { + var l = pos.line + lineDir; + if (l < doc.first || l >= doc.first + doc.size) { return false } + pos = new Pos(l, pos.ch, pos.sticky); + return lineObj = getLine(doc, l) + } + function moveOnce(boundToLine) { + var next; + if (unit == "codepoint") { + var ch = lineObj.text.charCodeAt(pos.ch + (dir > 0 ? 0 : -1)); + if (isNaN(ch)) { + next = null; + } else { + var astral = dir > 0 ? ch >= 0xD800 && ch < 0xDC00 : ch >= 0xDC00 && ch < 0xDFFF; + next = new Pos(pos.line, Math.max(0, Math.min(lineObj.text.length, pos.ch + dir * (astral ? 2 : 1))), -dir); + } + } else if (visually) { + next = moveVisually(doc.cm, lineObj, pos, dir); + } else { + next = moveLogically(lineObj, pos, dir); + } + if (next == null) { + if (!boundToLine && findNextLine()) + { pos = endOfLine(visually, doc.cm, lineObj, pos.line, lineDir); } + else + { return false } + } else { + pos = next; + } + return true + } + + if (unit == "char" || unit == "codepoint") { + moveOnce(); + } else if (unit == "column") { + moveOnce(true); + } else if (unit == "word" || unit == "group") { + var sawType = null, group = unit == "group"; + var helper = doc.cm && doc.cm.getHelper(pos, "wordChars"); + for (var first = true;; first = false) { + if (dir < 0 && !moveOnce(!first)) { break } + var cur = lineObj.text.charAt(pos.ch) || "\n"; + var type = isWordChar(cur, helper) ? "w" + : group && cur == "\n" ? "n" + : !group || /\s/.test(cur) ? null + : "p"; + if (group && !first && !type) { type = "s"; } + if (sawType && sawType != type) { + if (dir < 0) {dir = 1; moveOnce(); pos.sticky = "after";} + break + } + + if (type) { sawType = type; } + if (dir > 0 && !moveOnce(!first)) { break } + } + } + var result = skipAtomic(doc, pos, oldPos, origDir, true); + if (equalCursorPos(oldPos, result)) { result.hitSide = true; } + return result + } + + // For relative vertical movement. Dir may be -1 or 1. Unit can be + // "page" or "line". The resulting position will have a hitSide=true + // property if it reached the end of the document. + function findPosV(cm, pos, dir, unit) { + var doc = cm.doc, x = pos.left, y; + if (unit == "page") { + var pageSize = Math.min(cm.display.wrapper.clientHeight, win(cm).innerHeight || doc(cm).documentElement.clientHeight); + var moveAmount = Math.max(pageSize - .5 * textHeight(cm.display), 3); + y = (dir > 0 ? pos.bottom : pos.top) + dir * moveAmount; + + } else if (unit == "line") { + y = dir > 0 ? pos.bottom + 3 : pos.top - 3; + } + var target; + for (;;) { + target = coordsChar(cm, x, y); + if (!target.outside) { break } + if (dir < 0 ? y <= 0 : y >= doc.height) { target.hitSide = true; break } + y += dir * 5; + } + return target + } + + // CONTENTEDITABLE INPUT STYLE + + var ContentEditableInput = function(cm) { + this.cm = cm; + this.lastAnchorNode = this.lastAnchorOffset = this.lastFocusNode = this.lastFocusOffset = null; + this.polling = new Delayed(); + this.composing = null; + this.gracePeriod = false; + this.readDOMTimeout = null; + }; + + ContentEditableInput.prototype.init = function (display) { + var this$1 = this; + + var input = this, cm = input.cm; + var div = input.div = display.lineDiv; + div.contentEditable = true; + disableBrowserMagic(div, cm.options.spellcheck, cm.options.autocorrect, cm.options.autocapitalize); + + function belongsToInput(e) { + for (var t = e.target; t; t = t.parentNode) { + if (t == div) { return true } + if (/\bCodeMirror-(?:line)?widget\b/.test(t.className)) { break } + } + return false + } + + on(div, "paste", function (e) { + if (!belongsToInput(e) || signalDOMEvent(cm, e) || handlePaste(e, cm)) { return } + // IE doesn't fire input events, so we schedule a read for the pasted content in this way + if (ie_version <= 11) { setTimeout(operation(cm, function () { return this$1.updateFromDOM(); }), 20); } + }); + + on(div, "compositionstart", function (e) { + this$1.composing = {data: e.data, done: false}; + }); + on(div, "compositionupdate", function (e) { + if (!this$1.composing) { this$1.composing = {data: e.data, done: false}; } + }); + on(div, "compositionend", function (e) { + if (this$1.composing) { + if (e.data != this$1.composing.data) { this$1.readFromDOMSoon(); } + this$1.composing.done = true; + } + }); + + on(div, "touchstart", function () { return input.forceCompositionEnd(); }); + + on(div, "input", function () { + if (!this$1.composing) { this$1.readFromDOMSoon(); } + }); + + function onCopyCut(e) { + if (!belongsToInput(e) || signalDOMEvent(cm, e)) { return } + if (cm.somethingSelected()) { + setLastCopied({lineWise: false, text: cm.getSelections()}); + if (e.type == "cut") { cm.replaceSelection("", null, "cut"); } + } else if (!cm.options.lineWiseCopyCut) { + return + } else { + var ranges = copyableRanges(cm); + setLastCopied({lineWise: true, text: ranges.text}); + if (e.type == "cut") { + cm.operation(function () { + cm.setSelections(ranges.ranges, 0, sel_dontScroll); + cm.replaceSelection("", null, "cut"); + }); + } + } + if (e.clipboardData) { + e.clipboardData.clearData(); + var content = lastCopied.text.join("\n"); + // iOS exposes the clipboard API, but seems to discard content inserted into it + e.clipboardData.setData("Text", content); + if (e.clipboardData.getData("Text") == content) { + e.preventDefault(); + return + } + } + // Old-fashioned briefly-focus-a-textarea hack + var kludge = hiddenTextarea(), te = kludge.firstChild; + disableBrowserMagic(te); + cm.display.lineSpace.insertBefore(kludge, cm.display.lineSpace.firstChild); + te.value = lastCopied.text.join("\n"); + var hadFocus = activeElt(rootNode(div)); + selectInput(te); + setTimeout(function () { + cm.display.lineSpace.removeChild(kludge); + hadFocus.focus(); + if (hadFocus == div) { input.showPrimarySelection(); } + }, 50); + } + on(div, "copy", onCopyCut); + on(div, "cut", onCopyCut); + }; + + ContentEditableInput.prototype.screenReaderLabelChanged = function (label) { + // Label for screenreaders, accessibility + if(label) { + this.div.setAttribute('aria-label', label); + } else { + this.div.removeAttribute('aria-label'); + } + }; + + ContentEditableInput.prototype.prepareSelection = function () { + var result = prepareSelection(this.cm, false); + result.focus = activeElt(rootNode(this.div)) == this.div; + return result + }; + + ContentEditableInput.prototype.showSelection = function (info, takeFocus) { + if (!info || !this.cm.display.view.length) { return } + if (info.focus || takeFocus) { this.showPrimarySelection(); } + this.showMultipleSelections(info); + }; + + ContentEditableInput.prototype.getSelection = function () { + return this.cm.display.wrapper.ownerDocument.getSelection() + }; + + ContentEditableInput.prototype.showPrimarySelection = function () { + var sel = this.getSelection(), cm = this.cm, prim = cm.doc.sel.primary(); + var from = prim.from(), to = prim.to(); + + if (cm.display.viewTo == cm.display.viewFrom || from.line >= cm.display.viewTo || to.line < cm.display.viewFrom) { + sel.removeAllRanges(); + return + } + + var curAnchor = domToPos(cm, sel.anchorNode, sel.anchorOffset); + var curFocus = domToPos(cm, sel.focusNode, sel.focusOffset); + if (curAnchor && !curAnchor.bad && curFocus && !curFocus.bad && + cmp(minPos(curAnchor, curFocus), from) == 0 && + cmp(maxPos(curAnchor, curFocus), to) == 0) + { return } + + var view = cm.display.view; + var start = (from.line >= cm.display.viewFrom && posToDOM(cm, from)) || + {node: view[0].measure.map[2], offset: 0}; + var end = to.line < cm.display.viewTo && posToDOM(cm, to); + if (!end) { + var measure = view[view.length - 1].measure; + var map = measure.maps ? measure.maps[measure.maps.length - 1] : measure.map; + end = {node: map[map.length - 1], offset: map[map.length - 2] - map[map.length - 3]}; + } + + if (!start || !end) { + sel.removeAllRanges(); + return + } + + var old = sel.rangeCount && sel.getRangeAt(0), rng; + try { rng = range(start.node, start.offset, end.offset, end.node); } + catch(e) {} // Our model of the DOM might be outdated, in which case the range we try to set can be impossible + if (rng) { + if (!gecko && cm.state.focused) { + sel.collapse(start.node, start.offset); + if (!rng.collapsed) { + sel.removeAllRanges(); + sel.addRange(rng); + } + } else { + sel.removeAllRanges(); + sel.addRange(rng); + } + if (old && sel.anchorNode == null) { sel.addRange(old); } + else if (gecko) { this.startGracePeriod(); } + } + this.rememberSelection(); + }; + + ContentEditableInput.prototype.startGracePeriod = function () { + var this$1 = this; + + clearTimeout(this.gracePeriod); + this.gracePeriod = setTimeout(function () { + this$1.gracePeriod = false; + if (this$1.selectionChanged()) + { this$1.cm.operation(function () { return this$1.cm.curOp.selectionChanged = true; }); } + }, 20); + }; + + ContentEditableInput.prototype.showMultipleSelections = function (info) { + removeChildrenAndAdd(this.cm.display.cursorDiv, info.cursors); + removeChildrenAndAdd(this.cm.display.selectionDiv, info.selection); + }; + + ContentEditableInput.prototype.rememberSelection = function () { + var sel = this.getSelection(); + this.lastAnchorNode = sel.anchorNode; this.lastAnchorOffset = sel.anchorOffset; + this.lastFocusNode = sel.focusNode; this.lastFocusOffset = sel.focusOffset; + }; + + ContentEditableInput.prototype.selectionInEditor = function () { + var sel = this.getSelection(); + if (!sel.rangeCount) { return false } + var node = sel.getRangeAt(0).commonAncestorContainer; + return contains(this.div, node) + }; + + ContentEditableInput.prototype.focus = function () { + if (this.cm.options.readOnly != "nocursor") { + if (!this.selectionInEditor() || activeElt(rootNode(this.div)) != this.div) + { this.showSelection(this.prepareSelection(), true); } + this.div.focus(); + } + }; + ContentEditableInput.prototype.blur = function () { this.div.blur(); }; + ContentEditableInput.prototype.getField = function () { return this.div }; + + ContentEditableInput.prototype.supportsTouch = function () { return true }; + + ContentEditableInput.prototype.receivedFocus = function () { + var this$1 = this; + + var input = this; + if (this.selectionInEditor()) + { setTimeout(function () { return this$1.pollSelection(); }, 20); } + else + { runInOp(this.cm, function () { return input.cm.curOp.selectionChanged = true; }); } + + function poll() { + if (input.cm.state.focused) { + input.pollSelection(); + input.polling.set(input.cm.options.pollInterval, poll); + } + } + this.polling.set(this.cm.options.pollInterval, poll); + }; + + ContentEditableInput.prototype.selectionChanged = function () { + var sel = this.getSelection(); + return sel.anchorNode != this.lastAnchorNode || sel.anchorOffset != this.lastAnchorOffset || + sel.focusNode != this.lastFocusNode || sel.focusOffset != this.lastFocusOffset + }; + + ContentEditableInput.prototype.pollSelection = function () { + if (this.readDOMTimeout != null || this.gracePeriod || !this.selectionChanged()) { return } + var sel = this.getSelection(), cm = this.cm; + // On Android Chrome (version 56, at least), backspacing into an + // uneditable block element will put the cursor in that element, + // and then, because it's not editable, hide the virtual keyboard. + // Because Android doesn't allow us to actually detect backspace + // presses in a sane way, this code checks for when that happens + // and simulates a backspace press in this case. + if (android && chrome && this.cm.display.gutterSpecs.length && isInGutter(sel.anchorNode)) { + this.cm.triggerOnKeyDown({type: "keydown", keyCode: 8, preventDefault: Math.abs}); + this.blur(); + this.focus(); + return + } + if (this.composing) { return } + this.rememberSelection(); + var anchor = domToPos(cm, sel.anchorNode, sel.anchorOffset); + var head = domToPos(cm, sel.focusNode, sel.focusOffset); + if (anchor && head) { runInOp(cm, function () { + setSelection(cm.doc, simpleSelection(anchor, head), sel_dontScroll); + if (anchor.bad || head.bad) { cm.curOp.selectionChanged = true; } + }); } + }; + + ContentEditableInput.prototype.pollContent = function () { + if (this.readDOMTimeout != null) { + clearTimeout(this.readDOMTimeout); + this.readDOMTimeout = null; + } + + var cm = this.cm, display = cm.display, sel = cm.doc.sel.primary(); + var from = sel.from(), to = sel.to(); + if (from.ch == 0 && from.line > cm.firstLine()) + { from = Pos(from.line - 1, getLine(cm.doc, from.line - 1).length); } + if (to.ch == getLine(cm.doc, to.line).text.length && to.line < cm.lastLine()) + { to = Pos(to.line + 1, 0); } + if (from.line < display.viewFrom || to.line > display.viewTo - 1) { return false } + + var fromIndex, fromLine, fromNode; + if (from.line == display.viewFrom || (fromIndex = findViewIndex(cm, from.line)) == 0) { + fromLine = lineNo(display.view[0].line); + fromNode = display.view[0].node; + } else { + fromLine = lineNo(display.view[fromIndex].line); + fromNode = display.view[fromIndex - 1].node.nextSibling; + } + var toIndex = findViewIndex(cm, to.line); + var toLine, toNode; + if (toIndex == display.view.length - 1) { + toLine = display.viewTo - 1; + toNode = display.lineDiv.lastChild; + } else { + toLine = lineNo(display.view[toIndex + 1].line) - 1; + toNode = display.view[toIndex + 1].node.previousSibling; + } + + if (!fromNode) { return false } + var newText = cm.doc.splitLines(domTextBetween(cm, fromNode, toNode, fromLine, toLine)); + var oldText = getBetween(cm.doc, Pos(fromLine, 0), Pos(toLine, getLine(cm.doc, toLine).text.length)); + while (newText.length > 1 && oldText.length > 1) { + if (lst(newText) == lst(oldText)) { newText.pop(); oldText.pop(); toLine--; } + else if (newText[0] == oldText[0]) { newText.shift(); oldText.shift(); fromLine++; } + else { break } + } + + var cutFront = 0, cutEnd = 0; + var newTop = newText[0], oldTop = oldText[0], maxCutFront = Math.min(newTop.length, oldTop.length); + while (cutFront < maxCutFront && newTop.charCodeAt(cutFront) == oldTop.charCodeAt(cutFront)) + { ++cutFront; } + var newBot = lst(newText), oldBot = lst(oldText); + var maxCutEnd = Math.min(newBot.length - (newText.length == 1 ? cutFront : 0), + oldBot.length - (oldText.length == 1 ? cutFront : 0)); + while (cutEnd < maxCutEnd && + newBot.charCodeAt(newBot.length - cutEnd - 1) == oldBot.charCodeAt(oldBot.length - cutEnd - 1)) + { ++cutEnd; } + // Try to move start of change to start of selection if ambiguous + if (newText.length == 1 && oldText.length == 1 && fromLine == from.line) { + while (cutFront && cutFront > from.ch && + newBot.charCodeAt(newBot.length - cutEnd - 1) == oldBot.charCodeAt(oldBot.length - cutEnd - 1)) { + cutFront--; + cutEnd++; + } + } + + newText[newText.length - 1] = newBot.slice(0, newBot.length - cutEnd).replace(/^\u200b+/, ""); + newText[0] = newText[0].slice(cutFront).replace(/\u200b+$/, ""); + + var chFrom = Pos(fromLine, cutFront); + var chTo = Pos(toLine, oldText.length ? lst(oldText).length - cutEnd : 0); + if (newText.length > 1 || newText[0] || cmp(chFrom, chTo)) { + replaceRange(cm.doc, newText, chFrom, chTo, "+input"); + return true + } + }; + + ContentEditableInput.prototype.ensurePolled = function () { + this.forceCompositionEnd(); + }; + ContentEditableInput.prototype.reset = function () { + this.forceCompositionEnd(); + }; + ContentEditableInput.prototype.forceCompositionEnd = function () { + if (!this.composing) { return } + clearTimeout(this.readDOMTimeout); + this.composing = null; + this.updateFromDOM(); + this.div.blur(); + this.div.focus(); + }; + ContentEditableInput.prototype.readFromDOMSoon = function () { + var this$1 = this; + + if (this.readDOMTimeout != null) { return } + this.readDOMTimeout = setTimeout(function () { + this$1.readDOMTimeout = null; + if (this$1.composing) { + if (this$1.composing.done) { this$1.composing = null; } + else { return } + } + this$1.updateFromDOM(); + }, 80); + }; + + ContentEditableInput.prototype.updateFromDOM = function () { + var this$1 = this; + + if (this.cm.isReadOnly() || !this.pollContent()) + { runInOp(this.cm, function () { return regChange(this$1.cm); }); } + }; + + ContentEditableInput.prototype.setUneditable = function (node) { + node.contentEditable = "false"; + }; + + ContentEditableInput.prototype.onKeyPress = function (e) { + if (e.charCode == 0 || this.composing) { return } + e.preventDefault(); + if (!this.cm.isReadOnly()) + { operation(this.cm, applyTextInput)(this.cm, String.fromCharCode(e.charCode == null ? e.keyCode : e.charCode), 0); } + }; + + ContentEditableInput.prototype.readOnlyChanged = function (val) { + this.div.contentEditable = String(val != "nocursor"); + }; + + ContentEditableInput.prototype.onContextMenu = function () {}; + ContentEditableInput.prototype.resetPosition = function () {}; + + ContentEditableInput.prototype.needsContentAttribute = true; + + function posToDOM(cm, pos) { + var view = findViewForLine(cm, pos.line); + if (!view || view.hidden) { return null } + var line = getLine(cm.doc, pos.line); + var info = mapFromLineView(view, line, pos.line); + + var order = getOrder(line, cm.doc.direction), side = "left"; + if (order) { + var partPos = getBidiPartAt(order, pos.ch); + side = partPos % 2 ? "right" : "left"; + } + var result = nodeAndOffsetInLineMap(info.map, pos.ch, side); + result.offset = result.collapse == "right" ? result.end : result.start; + return result + } + + function isInGutter(node) { + for (var scan = node; scan; scan = scan.parentNode) + { if (/CodeMirror-gutter-wrapper/.test(scan.className)) { return true } } + return false + } + + function badPos(pos, bad) { if (bad) { pos.bad = true; } return pos } + + function domTextBetween(cm, from, to, fromLine, toLine) { + var text = "", closing = false, lineSep = cm.doc.lineSeparator(), extraLinebreak = false; + function recognizeMarker(id) { return function (marker) { return marker.id == id; } } + function close() { + if (closing) { + text += lineSep; + if (extraLinebreak) { text += lineSep; } + closing = extraLinebreak = false; + } + } + function addText(str) { + if (str) { + close(); + text += str; + } + } + function walk(node) { + if (node.nodeType == 1) { + var cmText = node.getAttribute("cm-text"); + if (cmText) { + addText(cmText); + return + } + var markerID = node.getAttribute("cm-marker"), range; + if (markerID) { + var found = cm.findMarks(Pos(fromLine, 0), Pos(toLine + 1, 0), recognizeMarker(+markerID)); + if (found.length && (range = found[0].find(0))) + { addText(getBetween(cm.doc, range.from, range.to).join(lineSep)); } + return + } + if (node.getAttribute("contenteditable") == "false") { return } + var isBlock = /^(pre|div|p|li|table|br)$/i.test(node.nodeName); + if (!/^br$/i.test(node.nodeName) && node.textContent.length == 0) { return } + + if (isBlock) { close(); } + for (var i = 0; i < node.childNodes.length; i++) + { walk(node.childNodes[i]); } + + if (/^(pre|p)$/i.test(node.nodeName)) { extraLinebreak = true; } + if (isBlock) { closing = true; } + } else if (node.nodeType == 3) { + addText(node.nodeValue.replace(/\u200b/g, "").replace(/\u00a0/g, " ")); + } + } + for (;;) { + walk(from); + if (from == to) { break } + from = from.nextSibling; + extraLinebreak = false; + } + return text + } + + function domToPos(cm, node, offset) { + var lineNode; + if (node == cm.display.lineDiv) { + lineNode = cm.display.lineDiv.childNodes[offset]; + if (!lineNode) { return badPos(cm.clipPos(Pos(cm.display.viewTo - 1)), true) } + node = null; offset = 0; + } else { + for (lineNode = node;; lineNode = lineNode.parentNode) { + if (!lineNode || lineNode == cm.display.lineDiv) { return null } + if (lineNode.parentNode && lineNode.parentNode == cm.display.lineDiv) { break } + } + } + for (var i = 0; i < cm.display.view.length; i++) { + var lineView = cm.display.view[i]; + if (lineView.node == lineNode) + { return locateNodeInLineView(lineView, node, offset) } + } + } + + function locateNodeInLineView(lineView, node, offset) { + var wrapper = lineView.text.firstChild, bad = false; + if (!node || !contains(wrapper, node)) { return badPos(Pos(lineNo(lineView.line), 0), true) } + if (node == wrapper) { + bad = true; + node = wrapper.childNodes[offset]; + offset = 0; + if (!node) { + var line = lineView.rest ? lst(lineView.rest) : lineView.line; + return badPos(Pos(lineNo(line), line.text.length), bad) + } + } + + var textNode = node.nodeType == 3 ? node : null, topNode = node; + if (!textNode && node.childNodes.length == 1 && node.firstChild.nodeType == 3) { + textNode = node.firstChild; + if (offset) { offset = textNode.nodeValue.length; } + } + while (topNode.parentNode != wrapper) { topNode = topNode.parentNode; } + var measure = lineView.measure, maps = measure.maps; + + function find(textNode, topNode, offset) { + for (var i = -1; i < (maps ? maps.length : 0); i++) { + var map = i < 0 ? measure.map : maps[i]; + for (var j = 0; j < map.length; j += 3) { + var curNode = map[j + 2]; + if (curNode == textNode || curNode == topNode) { + var line = lineNo(i < 0 ? lineView.line : lineView.rest[i]); + var ch = map[j] + offset; + if (offset < 0 || curNode != textNode) { ch = map[j + (offset ? 1 : 0)]; } + return Pos(line, ch) + } + } + } + } + var found = find(textNode, topNode, offset); + if (found) { return badPos(found, bad) } + + // FIXME this is all really shaky. might handle the few cases it needs to handle, but likely to cause problems + for (var after = topNode.nextSibling, dist = textNode ? textNode.nodeValue.length - offset : 0; after; after = after.nextSibling) { + found = find(after, after.firstChild, 0); + if (found) + { return badPos(Pos(found.line, found.ch - dist), bad) } + else + { dist += after.textContent.length; } + } + for (var before = topNode.previousSibling, dist$1 = offset; before; before = before.previousSibling) { + found = find(before, before.firstChild, -1); + if (found) + { return badPos(Pos(found.line, found.ch + dist$1), bad) } + else + { dist$1 += before.textContent.length; } + } + } + + // TEXTAREA INPUT STYLE + + var TextareaInput = function(cm) { + this.cm = cm; + // See input.poll and input.reset + this.prevInput = ""; + + // Flag that indicates whether we expect input to appear real soon + // now (after some event like 'keypress' or 'input') and are + // polling intensively. + this.pollingFast = false; + // Self-resetting timeout for the poller + this.polling = new Delayed(); + // Used to work around IE issue with selection being forgotten when focus moves away from textarea + this.hasSelection = false; + this.composing = null; + this.resetting = false; + }; + + TextareaInput.prototype.init = function (display) { + var this$1 = this; + + var input = this, cm = this.cm; + this.createField(display); + var te = this.textarea; + + display.wrapper.insertBefore(this.wrapper, display.wrapper.firstChild); + + // Needed to hide big blue blinking cursor on Mobile Safari (doesn't seem to work in iOS 8 anymore) + if (ios) { te.style.width = "0px"; } + + on(te, "input", function () { + if (ie && ie_version >= 9 && this$1.hasSelection) { this$1.hasSelection = null; } + input.poll(); + }); + + on(te, "paste", function (e) { + if (signalDOMEvent(cm, e) || handlePaste(e, cm)) { return } + + cm.state.pasteIncoming = +new Date; + input.fastPoll(); + }); + + function prepareCopyCut(e) { + if (signalDOMEvent(cm, e)) { return } + if (cm.somethingSelected()) { + setLastCopied({lineWise: false, text: cm.getSelections()}); + } else if (!cm.options.lineWiseCopyCut) { + return + } else { + var ranges = copyableRanges(cm); + setLastCopied({lineWise: true, text: ranges.text}); + if (e.type == "cut") { + cm.setSelections(ranges.ranges, null, sel_dontScroll); + } else { + input.prevInput = ""; + te.value = ranges.text.join("\n"); + selectInput(te); + } + } + if (e.type == "cut") { cm.state.cutIncoming = +new Date; } + } + on(te, "cut", prepareCopyCut); + on(te, "copy", prepareCopyCut); + + on(display.scroller, "paste", function (e) { + if (eventInWidget(display, e) || signalDOMEvent(cm, e)) { return } + if (!te.dispatchEvent) { + cm.state.pasteIncoming = +new Date; + input.focus(); + return + } + + // Pass the `paste` event to the textarea so it's handled by its event listener. + var event = new Event("paste"); + event.clipboardData = e.clipboardData; + te.dispatchEvent(event); + }); + + // Prevent normal selection in the editor (we handle our own) + on(display.lineSpace, "selectstart", function (e) { + if (!eventInWidget(display, e)) { e_preventDefault(e); } + }); + + on(te, "compositionstart", function () { + var start = cm.getCursor("from"); + if (input.composing) { input.composing.range.clear(); } + input.composing = { + start: start, + range: cm.markText(start, cm.getCursor("to"), {className: "CodeMirror-composing"}) + }; + }); + on(te, "compositionend", function () { + if (input.composing) { + input.poll(); + input.composing.range.clear(); + input.composing = null; + } + }); + }; + + TextareaInput.prototype.createField = function (_display) { + // Wraps and hides input textarea + this.wrapper = hiddenTextarea(); + // The semihidden textarea that is focused when the editor is + // focused, and receives input. + this.textarea = this.wrapper.firstChild; + var opts = this.cm.options; + disableBrowserMagic(this.textarea, opts.spellcheck, opts.autocorrect, opts.autocapitalize); + }; + + TextareaInput.prototype.screenReaderLabelChanged = function (label) { + // Label for screenreaders, accessibility + if(label) { + this.textarea.setAttribute('aria-label', label); + } else { + this.textarea.removeAttribute('aria-label'); + } + }; + + TextareaInput.prototype.prepareSelection = function () { + // Redraw the selection and/or cursor + var cm = this.cm, display = cm.display, doc = cm.doc; + var result = prepareSelection(cm); + + // Move the hidden textarea near the cursor to prevent scrolling artifacts + if (cm.options.moveInputWithCursor) { + var headPos = cursorCoords(cm, doc.sel.primary().head, "div"); + var wrapOff = display.wrapper.getBoundingClientRect(), lineOff = display.lineDiv.getBoundingClientRect(); + result.teTop = Math.max(0, Math.min(display.wrapper.clientHeight - 10, + headPos.top + lineOff.top - wrapOff.top)); + result.teLeft = Math.max(0, Math.min(display.wrapper.clientWidth - 10, + headPos.left + lineOff.left - wrapOff.left)); + } + + return result + }; + + TextareaInput.prototype.showSelection = function (drawn) { + var cm = this.cm, display = cm.display; + removeChildrenAndAdd(display.cursorDiv, drawn.cursors); + removeChildrenAndAdd(display.selectionDiv, drawn.selection); + if (drawn.teTop != null) { + this.wrapper.style.top = drawn.teTop + "px"; + this.wrapper.style.left = drawn.teLeft + "px"; + } + }; + + // Reset the input to correspond to the selection (or to be empty, + // when not typing and nothing is selected) + TextareaInput.prototype.reset = function (typing) { + if (this.contextMenuPending || this.composing && typing) { return } + var cm = this.cm; + this.resetting = true; + if (cm.somethingSelected()) { + this.prevInput = ""; + var content = cm.getSelection(); + this.textarea.value = content; + if (cm.state.focused) { selectInput(this.textarea); } + if (ie && ie_version >= 9) { this.hasSelection = content; } + } else if (!typing) { + this.prevInput = this.textarea.value = ""; + if (ie && ie_version >= 9) { this.hasSelection = null; } + } + this.resetting = false; + }; + + TextareaInput.prototype.getField = function () { return this.textarea }; + + TextareaInput.prototype.supportsTouch = function () { return false }; + + TextareaInput.prototype.focus = function () { + if (this.cm.options.readOnly != "nocursor" && (!mobile || activeElt(rootNode(this.textarea)) != this.textarea)) { + try { this.textarea.focus(); } + catch (e) {} // IE8 will throw if the textarea is display: none or not in DOM + } + }; + + TextareaInput.prototype.blur = function () { this.textarea.blur(); }; + + TextareaInput.prototype.resetPosition = function () { + this.wrapper.style.top = this.wrapper.style.left = 0; + }; + + TextareaInput.prototype.receivedFocus = function () { this.slowPoll(); }; + + // Poll for input changes, using the normal rate of polling. This + // runs as long as the editor is focused. + TextareaInput.prototype.slowPoll = function () { + var this$1 = this; + + if (this.pollingFast) { return } + this.polling.set(this.cm.options.pollInterval, function () { + this$1.poll(); + if (this$1.cm.state.focused) { this$1.slowPoll(); } + }); + }; + + // When an event has just come in that is likely to add or change + // something in the input textarea, we poll faster, to ensure that + // the change appears on the screen quickly. + TextareaInput.prototype.fastPoll = function () { + var missed = false, input = this; + input.pollingFast = true; + function p() { + var changed = input.poll(); + if (!changed && !missed) {missed = true; input.polling.set(60, p);} + else {input.pollingFast = false; input.slowPoll();} + } + input.polling.set(20, p); + }; + + // Read input from the textarea, and update the document to match. + // When something is selected, it is present in the textarea, and + // selected (unless it is huge, in which case a placeholder is + // used). When nothing is selected, the cursor sits after previously + // seen text (can be empty), which is stored in prevInput (we must + // not reset the textarea when typing, because that breaks IME). + TextareaInput.prototype.poll = function () { + var this$1 = this; + + var cm = this.cm, input = this.textarea, prevInput = this.prevInput; + // Since this is called a *lot*, try to bail out as cheaply as + // possible when it is clear that nothing happened. hasSelection + // will be the case when there is a lot of text in the textarea, + // in which case reading its value would be expensive. + if (this.contextMenuPending || this.resetting || !cm.state.focused || + (hasSelection(input) && !prevInput && !this.composing) || + cm.isReadOnly() || cm.options.disableInput || cm.state.keySeq) + { return false } + + var text = input.value; + // If nothing changed, bail. + if (text == prevInput && !cm.somethingSelected()) { return false } + // Work around nonsensical selection resetting in IE9/10, and + // inexplicable appearance of private area unicode characters on + // some key combos in Mac (#2689). + if (ie && ie_version >= 9 && this.hasSelection === text || + mac && /[\uf700-\uf7ff]/.test(text)) { + cm.display.input.reset(); + return false + } + + if (cm.doc.sel == cm.display.selForContextMenu) { + var first = text.charCodeAt(0); + if (first == 0x200b && !prevInput) { prevInput = "\u200b"; } + if (first == 0x21da) { this.reset(); return this.cm.execCommand("undo") } + } + // Find the part of the input that is actually new + var same = 0, l = Math.min(prevInput.length, text.length); + while (same < l && prevInput.charCodeAt(same) == text.charCodeAt(same)) { ++same; } + + runInOp(cm, function () { + applyTextInput(cm, text.slice(same), prevInput.length - same, + null, this$1.composing ? "*compose" : null); + + // Don't leave long text in the textarea, since it makes further polling slow + if (text.length > 1000 || text.indexOf("\n") > -1) { input.value = this$1.prevInput = ""; } + else { this$1.prevInput = text; } + + if (this$1.composing) { + this$1.composing.range.clear(); + this$1.composing.range = cm.markText(this$1.composing.start, cm.getCursor("to"), + {className: "CodeMirror-composing"}); + } + }); + return true + }; + + TextareaInput.prototype.ensurePolled = function () { + if (this.pollingFast && this.poll()) { this.pollingFast = false; } + }; + + TextareaInput.prototype.onKeyPress = function () { + if (ie && ie_version >= 9) { this.hasSelection = null; } + this.fastPoll(); + }; + + TextareaInput.prototype.onContextMenu = function (e) { + var input = this, cm = input.cm, display = cm.display, te = input.textarea; + if (input.contextMenuPending) { input.contextMenuPending(); } + var pos = posFromMouse(cm, e), scrollPos = display.scroller.scrollTop; + if (!pos || presto) { return } // Opera is difficult. + + // Reset the current text selection only if the click is done outside of the selection + // and 'resetSelectionOnContextMenu' option is true. + var reset = cm.options.resetSelectionOnContextMenu; + if (reset && cm.doc.sel.contains(pos) == -1) + { operation(cm, setSelection)(cm.doc, simpleSelection(pos), sel_dontScroll); } + + var oldCSS = te.style.cssText, oldWrapperCSS = input.wrapper.style.cssText; + var wrapperBox = input.wrapper.offsetParent.getBoundingClientRect(); + input.wrapper.style.cssText = "position: static"; + te.style.cssText = "position: absolute; width: 30px; height: 30px;\n top: " + (e.clientY - wrapperBox.top - 5) + "px; left: " + (e.clientX - wrapperBox.left - 5) + "px;\n z-index: 1000; background: " + (ie ? "rgba(255, 255, 255, .05)" : "transparent") + ";\n outline: none; border-width: 0; outline: none; overflow: hidden; opacity: .05; filter: alpha(opacity=5);"; + var oldScrollY; + if (webkit) { oldScrollY = te.ownerDocument.defaultView.scrollY; } // Work around Chrome issue (#2712) + display.input.focus(); + if (webkit) { te.ownerDocument.defaultView.scrollTo(null, oldScrollY); } + display.input.reset(); + // Adds "Select all" to context menu in FF + if (!cm.somethingSelected()) { te.value = input.prevInput = " "; } + input.contextMenuPending = rehide; + display.selForContextMenu = cm.doc.sel; + clearTimeout(display.detectingSelectAll); + + // Select-all will be greyed out if there's nothing to select, so + // this adds a zero-width space so that we can later check whether + // it got selected. + function prepareSelectAllHack() { + if (te.selectionStart != null) { + var selected = cm.somethingSelected(); + var extval = "\u200b" + (selected ? te.value : ""); + te.value = "\u21da"; // Used to catch context-menu undo + te.value = extval; + input.prevInput = selected ? "" : "\u200b"; + te.selectionStart = 1; te.selectionEnd = extval.length; + // Re-set this, in case some other handler touched the + // selection in the meantime. + display.selForContextMenu = cm.doc.sel; + } + } + function rehide() { + if (input.contextMenuPending != rehide) { return } + input.contextMenuPending = false; + input.wrapper.style.cssText = oldWrapperCSS; + te.style.cssText = oldCSS; + if (ie && ie_version < 9) { display.scrollbars.setScrollTop(display.scroller.scrollTop = scrollPos); } + + // Try to detect the user choosing select-all + if (te.selectionStart != null) { + if (!ie || (ie && ie_version < 9)) { prepareSelectAllHack(); } + var i = 0, poll = function () { + if (display.selForContextMenu == cm.doc.sel && te.selectionStart == 0 && + te.selectionEnd > 0 && input.prevInput == "\u200b") { + operation(cm, selectAll)(cm); + } else if (i++ < 10) { + display.detectingSelectAll = setTimeout(poll, 500); + } else { + display.selForContextMenu = null; + display.input.reset(); + } + }; + display.detectingSelectAll = setTimeout(poll, 200); + } + } + + if (ie && ie_version >= 9) { prepareSelectAllHack(); } + if (captureRightClick) { + e_stop(e); + var mouseup = function () { + off(window, "mouseup", mouseup); + setTimeout(rehide, 20); + }; + on(window, "mouseup", mouseup); + } else { + setTimeout(rehide, 50); + } + }; + + TextareaInput.prototype.readOnlyChanged = function (val) { + if (!val) { this.reset(); } + this.textarea.disabled = val == "nocursor"; + this.textarea.readOnly = !!val; + }; + + TextareaInput.prototype.setUneditable = function () {}; + + TextareaInput.prototype.needsContentAttribute = false; + + function fromTextArea(textarea, options) { + options = options ? copyObj(options) : {}; + options.value = textarea.value; + if (!options.tabindex && textarea.tabIndex) + { options.tabindex = textarea.tabIndex; } + if (!options.placeholder && textarea.placeholder) + { options.placeholder = textarea.placeholder; } + // Set autofocus to true if this textarea is focused, or if it has + // autofocus and no other element is focused. + if (options.autofocus == null) { + var hasFocus = activeElt(rootNode(textarea)); + options.autofocus = hasFocus == textarea || + textarea.getAttribute("autofocus") != null && hasFocus == document.body; + } + + function save() {textarea.value = cm.getValue();} + + var realSubmit; + if (textarea.form) { + on(textarea.form, "submit", save); + // Deplorable hack to make the submit method do the right thing. + if (!options.leaveSubmitMethodAlone) { + var form = textarea.form; + realSubmit = form.submit; + try { + var wrappedSubmit = form.submit = function () { + save(); + form.submit = realSubmit; + form.submit(); + form.submit = wrappedSubmit; + }; + } catch(e) {} + } + } + + options.finishInit = function (cm) { + cm.save = save; + cm.getTextArea = function () { return textarea; }; + cm.toTextArea = function () { + cm.toTextArea = isNaN; // Prevent this from being ran twice + save(); + textarea.parentNode.removeChild(cm.getWrapperElement()); + textarea.style.display = ""; + if (textarea.form) { + off(textarea.form, "submit", save); + if (!options.leaveSubmitMethodAlone && typeof textarea.form.submit == "function") + { textarea.form.submit = realSubmit; } + } + }; + }; + + textarea.style.display = "none"; + var cm = CodeMirror(function (node) { return textarea.parentNode.insertBefore(node, textarea.nextSibling); }, + options); + return cm + } + + function addLegacyProps(CodeMirror) { + CodeMirror.off = off; + CodeMirror.on = on; + CodeMirror.wheelEventPixels = wheelEventPixels; + CodeMirror.Doc = Doc; + CodeMirror.splitLines = splitLinesAuto; + CodeMirror.countColumn = countColumn; + CodeMirror.findColumn = findColumn; + CodeMirror.isWordChar = isWordCharBasic; + CodeMirror.Pass = Pass; + CodeMirror.signal = signal; + CodeMirror.Line = Line; + CodeMirror.changeEnd = changeEnd; + CodeMirror.scrollbarModel = scrollbarModel; + CodeMirror.Pos = Pos; + CodeMirror.cmpPos = cmp; + CodeMirror.modes = modes; + CodeMirror.mimeModes = mimeModes; + CodeMirror.resolveMode = resolveMode; + CodeMirror.getMode = getMode; + CodeMirror.modeExtensions = modeExtensions; + CodeMirror.extendMode = extendMode; + CodeMirror.copyState = copyState; + CodeMirror.startState = startState; + CodeMirror.innerMode = innerMode; + CodeMirror.commands = commands; + CodeMirror.keyMap = keyMap; + CodeMirror.keyName = keyName; + CodeMirror.isModifierKey = isModifierKey; + CodeMirror.lookupKey = lookupKey; + CodeMirror.normalizeKeyMap = normalizeKeyMap; + CodeMirror.StringStream = StringStream; + CodeMirror.SharedTextMarker = SharedTextMarker; + CodeMirror.TextMarker = TextMarker; + CodeMirror.LineWidget = LineWidget; + CodeMirror.e_preventDefault = e_preventDefault; + CodeMirror.e_stopPropagation = e_stopPropagation; + CodeMirror.e_stop = e_stop; + CodeMirror.addClass = addClass; + CodeMirror.contains = contains; + CodeMirror.rmClass = rmClass; + CodeMirror.keyNames = keyNames; + } + + // EDITOR CONSTRUCTOR + + defineOptions(CodeMirror); + + addEditorMethods(CodeMirror); + + // Set up methods on CodeMirror's prototype to redirect to the editor's document. + var dontDelegate = "iter insert remove copy getEditor constructor".split(" "); + for (var prop in Doc.prototype) { if (Doc.prototype.hasOwnProperty(prop) && indexOf(dontDelegate, prop) < 0) + { CodeMirror.prototype[prop] = (function(method) { + return function() {return method.apply(this.doc, arguments)} + })(Doc.prototype[prop]); } } + + eventMixin(Doc); + CodeMirror.inputStyles = {"textarea": TextareaInput, "contenteditable": ContentEditableInput}; + + // Extra arguments are stored as the mode's dependencies, which is + // used by (legacy) mechanisms like loadmode.js to automatically + // load a mode. (Preferred mechanism is the require/define calls.) + CodeMirror.defineMode = function(name/*, mode, …*/) { + if (!CodeMirror.defaults.mode && name != "null") { CodeMirror.defaults.mode = name; } + defineMode.apply(this, arguments); + }; + + CodeMirror.defineMIME = defineMIME; + + // Minimal default mode. + CodeMirror.defineMode("null", function () { return ({token: function (stream) { return stream.skipToEnd(); }}); }); + CodeMirror.defineMIME("text/plain", "null"); + + // EXTENSIONS + + CodeMirror.defineExtension = function (name, func) { + CodeMirror.prototype[name] = func; + }; + CodeMirror.defineDocExtension = function (name, func) { + Doc.prototype[name] = func; + }; + + CodeMirror.fromTextArea = fromTextArea; + + addLegacyProps(CodeMirror); + + CodeMirror.version = "5.65.16"; + + return CodeMirror; + +}))); diff --git a/web/static/js/mode/clike/clike.js b/web/static/js/mode/clike/clike.js new file mode 100644 index 0000000..e9f441f --- /dev/null +++ b/web/static/js/mode/clike/clike.js @@ -0,0 +1,942 @@ +// CodeMirror, copyright (c) by Marijn Haverbeke and others +// Distributed under an MIT license: https://codemirror.net/5/LICENSE + +(function(mod) { + if (typeof exports == "object" && typeof module == "object") // CommonJS + mod(require("../../lib/codemirror")); + else if (typeof define == "function" && define.amd) // AMD + define(["../../lib/codemirror"], mod); + else // Plain browser env + mod(CodeMirror); +})(function(CodeMirror) { +"use strict"; + +function Context(indented, column, type, info, align, prev) { + this.indented = indented; + this.column = column; + this.type = type; + this.info = info; + this.align = align; + this.prev = prev; +} +function pushContext(state, col, type, info) { + var indent = state.indented; + if (state.context && state.context.type == "statement" && type != "statement") + indent = state.context.indented; + return state.context = new Context(indent, col, type, info, null, state.context); +} +function popContext(state) { + var t = state.context.type; + if (t == ")" || t == "]" || t == "}") + state.indented = state.context.indented; + return state.context = state.context.prev; +} + +function typeBefore(stream, state, pos) { + if (state.prevToken == "variable" || state.prevToken == "type") return true; + if (/\S(?:[^- ]>|[*\]])\s*$|\*$/.test(stream.string.slice(0, pos))) return true; + if (state.typeAtEndOfLine && stream.column() == stream.indentation()) return true; +} + +function isTopScope(context) { + for (;;) { + if (!context || context.type == "top") return true; + if (context.type == "}" && context.prev.info != "namespace") return false; + context = context.prev; + } +} + +CodeMirror.defineMode("clike", function(config, parserConfig) { + var indentUnit = config.indentUnit, + statementIndentUnit = parserConfig.statementIndentUnit || indentUnit, + dontAlignCalls = parserConfig.dontAlignCalls, + keywords = parserConfig.keywords || {}, + types = parserConfig.types || {}, + builtin = parserConfig.builtin || {}, + blockKeywords = parserConfig.blockKeywords || {}, + defKeywords = parserConfig.defKeywords || {}, + atoms = parserConfig.atoms || {}, + hooks = parserConfig.hooks || {}, + multiLineStrings = parserConfig.multiLineStrings, + indentStatements = parserConfig.indentStatements !== false, + indentSwitch = parserConfig.indentSwitch !== false, + namespaceSeparator = parserConfig.namespaceSeparator, + isPunctuationChar = parserConfig.isPunctuationChar || /[\[\]{}\(\),;\:\.]/, + numberStart = parserConfig.numberStart || /[\d\.]/, + number = parserConfig.number || /^(?:0x[a-f\d]+|0b[01]+|(?:\d+\.?\d*|\.\d+)(?:e[-+]?\d+)?)(u|ll?|l|f)?/i, + isOperatorChar = parserConfig.isOperatorChar || /[+\-*&%=<>!?|\/]/, + isIdentifierChar = parserConfig.isIdentifierChar || /[\w\$_\xa1-\uffff]/, + // An optional function that takes a {string} token and returns true if it + // should be treated as a builtin. + isReservedIdentifier = parserConfig.isReservedIdentifier || false; + + var curPunc, isDefKeyword; + + function tokenBase(stream, state) { + var ch = stream.next(); + if (hooks[ch]) { + var result = hooks[ch](stream, state); + if (result !== false) return result; + } + if (ch == '"' || ch == "'") { + state.tokenize = tokenString(ch); + return state.tokenize(stream, state); + } + if (numberStart.test(ch)) { + stream.backUp(1) + if (stream.match(number)) return "number" + stream.next() + } + if (isPunctuationChar.test(ch)) { + curPunc = ch; + return null; + } + if (ch == "/") { + if (stream.eat("*")) { + state.tokenize = tokenComment; + return tokenComment(stream, state); + } + if (stream.eat("/")) { + stream.skipToEnd(); + return "comment"; + } + } + if (isOperatorChar.test(ch)) { + while (!stream.match(/^\/[\/*]/, false) && stream.eat(isOperatorChar)) {} + return "operator"; + } + stream.eatWhile(isIdentifierChar); + if (namespaceSeparator) while (stream.match(namespaceSeparator)) + stream.eatWhile(isIdentifierChar); + + var cur = stream.current(); + if (contains(keywords, cur)) { + if (contains(blockKeywords, cur)) curPunc = "newstatement"; + if (contains(defKeywords, cur)) isDefKeyword = true; + return "keyword"; + } + if (contains(types, cur)) return "type"; + if (contains(builtin, cur) + || (isReservedIdentifier && isReservedIdentifier(cur))) { + if (contains(blockKeywords, cur)) curPunc = "newstatement"; + return "builtin"; + } + if (contains(atoms, cur)) return "atom"; + return "variable"; + } + + function tokenString(quote) { + return function(stream, state) { + var escaped = false, next, end = false; + while ((next = stream.next()) != null) { + if (next == quote && !escaped) {end = true; break;} + escaped = !escaped && next == "\\"; + } + if (end || !(escaped || multiLineStrings)) + state.tokenize = null; + return "string"; + }; + } + + function tokenComment(stream, state) { + var maybeEnd = false, ch; + while (ch = stream.next()) { + if (ch == "/" && maybeEnd) { + state.tokenize = null; + break; + } + maybeEnd = (ch == "*"); + } + return "comment"; + } + + function maybeEOL(stream, state) { + if (parserConfig.typeFirstDefinitions && stream.eol() && isTopScope(state.context)) + state.typeAtEndOfLine = typeBefore(stream, state, stream.pos) + } + + // Interface + + return { + startState: function(basecolumn) { + return { + tokenize: null, + context: new Context((basecolumn || 0) - indentUnit, 0, "top", null, false), + indented: 0, + startOfLine: true, + prevToken: null + }; + }, + + token: function(stream, state) { + var ctx = state.context; + if (stream.sol()) { + if (ctx.align == null) ctx.align = false; + state.indented = stream.indentation(); + state.startOfLine = true; + } + if (stream.eatSpace()) { maybeEOL(stream, state); return null; } + curPunc = isDefKeyword = null; + var style = (state.tokenize || tokenBase)(stream, state); + if (style == "comment" || style == "meta") return style; + if (ctx.align == null) ctx.align = true; + + if (curPunc == ";" || curPunc == ":" || (curPunc == "," && stream.match(/^\s*(?:\/\/.*)?$/, false))) + while (state.context.type == "statement") popContext(state); + else if (curPunc == "{") pushContext(state, stream.column(), "}"); + else if (curPunc == "[") pushContext(state, stream.column(), "]"); + else if (curPunc == "(") pushContext(state, stream.column(), ")"); + else if (curPunc == "}") { + while (ctx.type == "statement") ctx = popContext(state); + if (ctx.type == "}") ctx = popContext(state); + while (ctx.type == "statement") ctx = popContext(state); + } + else if (curPunc == ctx.type) popContext(state); + else if (indentStatements && + (((ctx.type == "}" || ctx.type == "top") && curPunc != ";") || + (ctx.type == "statement" && curPunc == "newstatement"))) { + pushContext(state, stream.column(), "statement", stream.current()); + } + + if (style == "variable" && + ((state.prevToken == "def" || + (parserConfig.typeFirstDefinitions && typeBefore(stream, state, stream.start) && + isTopScope(state.context) && stream.match(/^\s*\(/, false))))) + style = "def"; + + if (hooks.token) { + var result = hooks.token(stream, state, style); + if (result !== undefined) style = result; + } + + if (style == "def" && parserConfig.styleDefs === false) style = "variable"; + + state.startOfLine = false; + state.prevToken = isDefKeyword ? "def" : style || curPunc; + maybeEOL(stream, state); + return style; + }, + + indent: function(state, textAfter) { + if (state.tokenize != tokenBase && state.tokenize != null || state.typeAtEndOfLine && isTopScope(state.context)) + return CodeMirror.Pass; + var ctx = state.context, firstChar = textAfter && textAfter.charAt(0); + var closing = firstChar == ctx.type; + if (ctx.type == "statement" && firstChar == "}") ctx = ctx.prev; + if (parserConfig.dontIndentStatements) + while (ctx.type == "statement" && parserConfig.dontIndentStatements.test(ctx.info)) + ctx = ctx.prev + if (hooks.indent) { + var hook = hooks.indent(state, ctx, textAfter, indentUnit); + if (typeof hook == "number") return hook + } + var switchBlock = ctx.prev && ctx.prev.info == "switch"; + if (parserConfig.allmanIndentation && /[{(]/.test(firstChar)) { + while (ctx.type != "top" && ctx.type != "}") ctx = ctx.prev + return ctx.indented + } + if (ctx.type == "statement") + return ctx.indented + (firstChar == "{" ? 0 : statementIndentUnit); + if (ctx.align && (!dontAlignCalls || ctx.type != ")")) + return ctx.column + (closing ? 0 : 1); + if (ctx.type == ")" && !closing) + return ctx.indented + statementIndentUnit; + + return ctx.indented + (closing ? 0 : indentUnit) + + (!closing && switchBlock && !/^(?:case|default)\b/.test(textAfter) ? indentUnit : 0); + }, + + electricInput: indentSwitch ? /^\s*(?:case .*?:|default:|\{\}?|\})$/ : /^\s*[{}]$/, + blockCommentStart: "/*", + blockCommentEnd: "*/", + blockCommentContinue: " * ", + lineComment: "//", + fold: "brace" + }; +}); + + function words(str) { + var obj = {}, words = str.split(" "); + for (var i = 0; i < words.length; ++i) obj[words[i]] = true; + return obj; + } + function contains(words, word) { + if (typeof words === "function") { + return words(word); + } else { + return words.propertyIsEnumerable(word); + } + } + var cKeywords = "auto if break case register continue return default do sizeof " + + "static else struct switch extern typedef union for goto while enum const " + + "volatile inline restrict asm fortran"; + + // Keywords from https://en.cppreference.com/w/cpp/keyword includes C++20. + var cppKeywords = "alignas alignof and and_eq audit axiom bitand bitor catch " + + "class compl concept constexpr const_cast decltype delete dynamic_cast " + + "explicit export final friend import module mutable namespace new noexcept " + + "not not_eq operator or or_eq override private protected public " + + "reinterpret_cast requires static_assert static_cast template this " + + "thread_local throw try typeid typename using virtual xor xor_eq"; + + var objCKeywords = "bycopy byref in inout oneway out self super atomic nonatomic retain copy " + + "readwrite readonly strong weak assign typeof nullable nonnull null_resettable _cmd " + + "@interface @implementation @end @protocol @encode @property @synthesize @dynamic @class " + + "@public @package @private @protected @required @optional @try @catch @finally @import " + + "@selector @encode @defs @synchronized @autoreleasepool @compatibility_alias @available"; + + var objCBuiltins = "FOUNDATION_EXPORT FOUNDATION_EXTERN NS_INLINE NS_FORMAT_FUNCTION " + + " NS_RETURNS_RETAINEDNS_ERROR_ENUM NS_RETURNS_NOT_RETAINED NS_RETURNS_INNER_POINTER " + + "NS_DESIGNATED_INITIALIZER NS_ENUM NS_OPTIONS NS_REQUIRES_NIL_TERMINATION " + + "NS_ASSUME_NONNULL_BEGIN NS_ASSUME_NONNULL_END NS_SWIFT_NAME NS_REFINED_FOR_SWIFT" + + // Do not use this. Use the cTypes function below. This is global just to avoid + // excessive calls when cTypes is being called multiple times during a parse. + var basicCTypes = words("int long char short double float unsigned signed " + + "void bool"); + + // Do not use this. Use the objCTypes function below. This is global just to avoid + // excessive calls when objCTypes is being called multiple times during a parse. + var basicObjCTypes = words("SEL instancetype id Class Protocol BOOL"); + + // Returns true if identifier is a "C" type. + // C type is defined as those that are reserved by the compiler (basicTypes), + // and those that end in _t (Reserved by POSIX for types) + // http://www.gnu.org/software/libc/manual/html_node/Reserved-Names.html + function cTypes(identifier) { + return contains(basicCTypes, identifier) || /.+_t$/.test(identifier); + } + + // Returns true if identifier is a "Objective C" type. + function objCTypes(identifier) { + return cTypes(identifier) || contains(basicObjCTypes, identifier); + } + + var cBlockKeywords = "case do else for if switch while struct enum union"; + var cDefKeywords = "struct enum union"; + + function cppHook(stream, state) { + if (!state.startOfLine) return false + for (var ch, next = null; ch = stream.peek();) { + if (ch == "\\" && stream.match(/^.$/)) { + next = cppHook + break + } else if (ch == "/" && stream.match(/^\/[\/\*]/, false)) { + break + } + stream.next() + } + state.tokenize = next + return "meta" + } + + function pointerHook(_stream, state) { + if (state.prevToken == "type") return "type"; + return false; + } + + // For C and C++ (and ObjC): identifiers starting with __ + // or _ followed by a capital letter are reserved for the compiler. + function cIsReservedIdentifier(token) { + if (!token || token.length < 2) return false; + if (token[0] != '_') return false; + return (token[1] == '_') || (token[1] !== token[1].toLowerCase()); + } + + function cpp14Literal(stream) { + stream.eatWhile(/[\w\.']/); + return "number"; + } + + function cpp11StringHook(stream, state) { + stream.backUp(1); + // Raw strings. + if (stream.match(/^(?:R|u8R|uR|UR|LR)/)) { + var match = stream.match(/^"([^\s\\()]{0,16})\(/); + if (!match) { + return false; + } + state.cpp11RawStringDelim = match[1]; + state.tokenize = tokenRawString; + return tokenRawString(stream, state); + } + // Unicode strings/chars. + if (stream.match(/^(?:u8|u|U|L)/)) { + if (stream.match(/^["']/, /* eat */ false)) { + return "string"; + } + return false; + } + // Ignore this hook. + stream.next(); + return false; + } + + function cppLooksLikeConstructor(word) { + var lastTwo = /(\w+)::~?(\w+)$/.exec(word); + return lastTwo && lastTwo[1] == lastTwo[2]; + } + + // C#-style strings where "" escapes a quote. + function tokenAtString(stream, state) { + var next; + while ((next = stream.next()) != null) { + if (next == '"' && !stream.eat('"')) { + state.tokenize = null; + break; + } + } + return "string"; + } + + // C++11 raw string literal is "( anything )", where + // can be a string up to 16 characters long. + function tokenRawString(stream, state) { + // Escape characters that have special regex meanings. + var delim = state.cpp11RawStringDelim.replace(/[^\w\s]/g, '\\$&'); + var match = stream.match(new RegExp(".*?\\)" + delim + '"')); + if (match) + state.tokenize = null; + else + stream.skipToEnd(); + return "string"; + } + + function def(mimes, mode) { + if (typeof mimes == "string") mimes = [mimes]; + var words = []; + function add(obj) { + if (obj) for (var prop in obj) if (obj.hasOwnProperty(prop)) + words.push(prop); + } + add(mode.keywords); + add(mode.types); + add(mode.builtin); + add(mode.atoms); + if (words.length) { + mode.helperType = mimes[0]; + CodeMirror.registerHelper("hintWords", mimes[0], words); + } + + for (var i = 0; i < mimes.length; ++i) + CodeMirror.defineMIME(mimes[i], mode); + } + + def(["text/x-csrc", "text/x-c", "text/x-chdr"], { + name: "clike", + keywords: words(cKeywords), + types: cTypes, + blockKeywords: words(cBlockKeywords), + defKeywords: words(cDefKeywords), + typeFirstDefinitions: true, + atoms: words("NULL true false"), + isReservedIdentifier: cIsReservedIdentifier, + hooks: { + "#": cppHook, + "*": pointerHook, + }, + modeProps: {fold: ["brace", "include"]} + }); + + def(["text/x-c++src", "text/x-c++hdr"], { + name: "clike", + keywords: words(cKeywords + " " + cppKeywords), + types: cTypes, + blockKeywords: words(cBlockKeywords + " class try catch"), + defKeywords: words(cDefKeywords + " class namespace"), + typeFirstDefinitions: true, + atoms: words("true false NULL nullptr"), + dontIndentStatements: /^template$/, + isIdentifierChar: /[\w\$_~\xa1-\uffff]/, + isReservedIdentifier: cIsReservedIdentifier, + hooks: { + "#": cppHook, + "*": pointerHook, + "u": cpp11StringHook, + "U": cpp11StringHook, + "L": cpp11StringHook, + "R": cpp11StringHook, + "0": cpp14Literal, + "1": cpp14Literal, + "2": cpp14Literal, + "3": cpp14Literal, + "4": cpp14Literal, + "5": cpp14Literal, + "6": cpp14Literal, + "7": cpp14Literal, + "8": cpp14Literal, + "9": cpp14Literal, + token: function(stream, state, style) { + if (style == "variable" && stream.peek() == "(" && + (state.prevToken == ";" || state.prevToken == null || + state.prevToken == "}") && + cppLooksLikeConstructor(stream.current())) + return "def"; + } + }, + namespaceSeparator: "::", + modeProps: {fold: ["brace", "include"]} + }); + + def("text/x-java", { + name: "clike", + keywords: words("abstract assert break case catch class const continue default " + + "do else enum extends final finally for goto if implements import " + + "instanceof interface native new package private protected public " + + "return static strictfp super switch synchronized this throw throws transient " + + "try volatile while @interface"), + types: words("var byte short int long float double boolean char void Boolean Byte Character Double Float " + + "Integer Long Number Object Short String StringBuffer StringBuilder Void"), + blockKeywords: words("catch class do else finally for if switch try while"), + defKeywords: words("class interface enum @interface"), + typeFirstDefinitions: true, + atoms: words("true false null"), + number: /^(?:0x[a-f\d_]+|0b[01_]+|(?:[\d_]+\.?\d*|\.\d+)(?:e[-+]?[\d_]+)?)(u|ll?|l|f)?/i, + hooks: { + "@": function(stream) { + // Don't match the @interface keyword. + if (stream.match('interface', false)) return false; + + stream.eatWhile(/[\w\$_]/); + return "meta"; + }, + '"': function(stream, state) { + if (!stream.match(/""$/)) return false; + state.tokenize = tokenTripleString; + return state.tokenize(stream, state); + } + }, + modeProps: {fold: ["brace", "import"]} + }); + + def("text/x-csharp", { + name: "clike", + keywords: words("abstract as async await base break case catch checked class const continue" + + " default delegate do else enum event explicit extern finally fixed for" + + " foreach goto if implicit in init interface internal is lock namespace new" + + " operator out override params private protected public readonly record ref required return sealed" + + " sizeof stackalloc static struct switch this throw try typeof unchecked" + + " unsafe using virtual void volatile while add alias ascending descending dynamic from get" + + " global group into join let orderby partial remove select set value var yield"), + types: words("Action Boolean Byte Char DateTime DateTimeOffset Decimal Double Func" + + " Guid Int16 Int32 Int64 Object SByte Single String Task TimeSpan UInt16 UInt32" + + " UInt64 bool byte char decimal double short int long object" + + " sbyte float string ushort uint ulong"), + blockKeywords: words("catch class do else finally for foreach if struct switch try while"), + defKeywords: words("class interface namespace record struct var"), + typeFirstDefinitions: true, + atoms: words("true false null"), + hooks: { + "@": function(stream, state) { + if (stream.eat('"')) { + state.tokenize = tokenAtString; + return tokenAtString(stream, state); + } + stream.eatWhile(/[\w\$_]/); + return "meta"; + } + } + }); + + function tokenTripleString(stream, state) { + var escaped = false; + while (!stream.eol()) { + if (!escaped && stream.match('"""')) { + state.tokenize = null; + break; + } + escaped = stream.next() == "\\" && !escaped; + } + return "string"; + } + + function tokenNestedComment(depth) { + return function (stream, state) { + var ch + while (ch = stream.next()) { + if (ch == "*" && stream.eat("/")) { + if (depth == 1) { + state.tokenize = null + break + } else { + state.tokenize = tokenNestedComment(depth - 1) + return state.tokenize(stream, state) + } + } else if (ch == "/" && stream.eat("*")) { + state.tokenize = tokenNestedComment(depth + 1) + return state.tokenize(stream, state) + } + } + return "comment" + } + } + + def("text/x-scala", { + name: "clike", + keywords: words( + /* scala */ + "abstract case catch class def do else extends final finally for forSome if " + + "implicit import lazy match new null object override package private protected return " + + "sealed super this throw trait try type val var while with yield _ " + + + /* package scala */ + "assert assume require print println printf readLine readBoolean readByte readShort " + + "readChar readInt readLong readFloat readDouble" + ), + types: words( + "AnyVal App Application Array BufferedIterator BigDecimal BigInt Char Console Either " + + "Enumeration Equiv Error Exception Fractional Function IndexedSeq Int Integral Iterable " + + "Iterator List Map Numeric Nil NotNull Option Ordered Ordering PartialFunction PartialOrdering " + + "Product Proxy Range Responder Seq Serializable Set Specializable Stream StringBuilder " + + "StringContext Symbol Throwable Traversable TraversableOnce Tuple Unit Vector " + + + /* package java.lang */ + "Boolean Byte Character CharSequence Class ClassLoader Cloneable Comparable " + + "Compiler Double Exception Float Integer Long Math Number Object Package Pair Process " + + "Runtime Runnable SecurityManager Short StackTraceElement StrictMath String " + + "StringBuffer System Thread ThreadGroup ThreadLocal Throwable Triple Void" + ), + multiLineStrings: true, + blockKeywords: words("catch class enum do else finally for forSome if match switch try while"), + defKeywords: words("class enum def object package trait type val var"), + atoms: words("true false null"), + indentStatements: false, + indentSwitch: false, + isOperatorChar: /[+\-*&%=<>!?|\/#:@]/, + hooks: { + "@": function(stream) { + stream.eatWhile(/[\w\$_]/); + return "meta"; + }, + '"': function(stream, state) { + if (!stream.match('""')) return false; + state.tokenize = tokenTripleString; + return state.tokenize(stream, state); + }, + "'": function(stream) { + if (stream.match(/^(\\[^'\s]+|[^\\'])'/)) return "string-2" + stream.eatWhile(/[\w\$_\xa1-\uffff]/); + return "atom"; + }, + "=": function(stream, state) { + var cx = state.context + if (cx.type == "}" && cx.align && stream.eat(">")) { + state.context = new Context(cx.indented, cx.column, cx.type, cx.info, null, cx.prev) + return "operator" + } else { + return false + } + }, + + "/": function(stream, state) { + if (!stream.eat("*")) return false + state.tokenize = tokenNestedComment(1) + return state.tokenize(stream, state) + } + }, + modeProps: {closeBrackets: {pairs: '()[]{}""', triples: '"'}} + }); + + function tokenKotlinString(tripleString){ + return function (stream, state) { + var escaped = false, next, end = false; + while (!stream.eol()) { + if (!tripleString && !escaped && stream.match('"') ) {end = true; break;} + if (tripleString && stream.match('"""')) {end = true; break;} + next = stream.next(); + if(!escaped && next == "$" && stream.match('{')) + stream.skipTo("}"); + escaped = !escaped && next == "\\" && !tripleString; + } + if (end || !tripleString) + state.tokenize = null; + return "string"; + } + } + + def("text/x-kotlin", { + name: "clike", + keywords: words( + /*keywords*/ + "package as typealias class interface this super val operator " + + "var fun for is in This throw return annotation " + + "break continue object if else while do try when !in !is as? " + + + /*soft keywords*/ + "file import where by get set abstract enum open inner override private public internal " + + "protected catch finally out final vararg reified dynamic companion constructor init " + + "sealed field property receiver param sparam lateinit data inline noinline tailrec " + + "external annotation crossinline const operator infix suspend actual expect setparam value" + ), + types: words( + /* package java.lang */ + "Boolean Byte Character CharSequence Class ClassLoader Cloneable Comparable " + + "Compiler Double Exception Float Integer Long Math Number Object Package Pair Process " + + "Runtime Runnable SecurityManager Short StackTraceElement StrictMath String " + + "StringBuffer System Thread ThreadGroup ThreadLocal Throwable Triple Void Annotation Any BooleanArray " + + "ByteArray Char CharArray DeprecationLevel DoubleArray Enum FloatArray Function Int IntArray Lazy " + + "LazyThreadSafetyMode LongArray Nothing ShortArray Unit" + ), + intendSwitch: false, + indentStatements: false, + multiLineStrings: true, + number: /^(?:0x[a-f\d_]+|0b[01_]+|(?:[\d_]+(\.\d+)?|\.\d+)(?:e[-+]?[\d_]+)?)(u|ll?|l|f)?/i, + blockKeywords: words("catch class do else finally for if where try while enum"), + defKeywords: words("class val var object interface fun"), + atoms: words("true false null this"), + hooks: { + "@": function(stream) { + stream.eatWhile(/[\w\$_]/); + return "meta"; + }, + '*': function(_stream, state) { + return state.prevToken == '.' ? 'variable' : 'operator'; + }, + '"': function(stream, state) { + state.tokenize = tokenKotlinString(stream.match('""')); + return state.tokenize(stream, state); + }, + "/": function(stream, state) { + if (!stream.eat("*")) return false; + state.tokenize = tokenNestedComment(1); + return state.tokenize(stream, state) + }, + indent: function(state, ctx, textAfter, indentUnit) { + var firstChar = textAfter && textAfter.charAt(0); + if ((state.prevToken == "}" || state.prevToken == ")") && textAfter == "") + return state.indented; + if ((state.prevToken == "operator" && textAfter != "}" && state.context.type != "}") || + state.prevToken == "variable" && firstChar == "." || + (state.prevToken == "}" || state.prevToken == ")") && firstChar == ".") + return indentUnit * 2 + ctx.indented; + if (ctx.align && ctx.type == "}") + return ctx.indented + (state.context.type == (textAfter || "").charAt(0) ? 0 : indentUnit); + } + }, + modeProps: {closeBrackets: {triples: '"'}} + }); + + def(["x-shader/x-vertex", "x-shader/x-fragment"], { + name: "clike", + keywords: words("sampler1D sampler2D sampler3D samplerCube " + + "sampler1DShadow sampler2DShadow " + + "const attribute uniform varying " + + "break continue discard return " + + "for while do if else struct " + + "in out inout"), + types: words("float int bool void " + + "vec2 vec3 vec4 ivec2 ivec3 ivec4 bvec2 bvec3 bvec4 " + + "mat2 mat3 mat4"), + blockKeywords: words("for while do if else struct"), + builtin: words("radians degrees sin cos tan asin acos atan " + + "pow exp log exp2 sqrt inversesqrt " + + "abs sign floor ceil fract mod min max clamp mix step smoothstep " + + "length distance dot cross normalize ftransform faceforward " + + "reflect refract matrixCompMult " + + "lessThan lessThanEqual greaterThan greaterThanEqual " + + "equal notEqual any all not " + + "texture1D texture1DProj texture1DLod texture1DProjLod " + + "texture2D texture2DProj texture2DLod texture2DProjLod " + + "texture3D texture3DProj texture3DLod texture3DProjLod " + + "textureCube textureCubeLod " + + "shadow1D shadow2D shadow1DProj shadow2DProj " + + "shadow1DLod shadow2DLod shadow1DProjLod shadow2DProjLod " + + "dFdx dFdy fwidth " + + "noise1 noise2 noise3 noise4"), + atoms: words("true false " + + "gl_FragColor gl_SecondaryColor gl_Normal gl_Vertex " + + "gl_MultiTexCoord0 gl_MultiTexCoord1 gl_MultiTexCoord2 gl_MultiTexCoord3 " + + "gl_MultiTexCoord4 gl_MultiTexCoord5 gl_MultiTexCoord6 gl_MultiTexCoord7 " + + "gl_FogCoord gl_PointCoord " + + "gl_Position gl_PointSize gl_ClipVertex " + + "gl_FrontColor gl_BackColor gl_FrontSecondaryColor gl_BackSecondaryColor " + + "gl_TexCoord gl_FogFragCoord " + + "gl_FragCoord gl_FrontFacing " + + "gl_FragData gl_FragDepth " + + "gl_ModelViewMatrix gl_ProjectionMatrix gl_ModelViewProjectionMatrix " + + "gl_TextureMatrix gl_NormalMatrix gl_ModelViewMatrixInverse " + + "gl_ProjectionMatrixInverse gl_ModelViewProjectionMatrixInverse " + + "gl_TextureMatrixTranspose gl_ModelViewMatrixInverseTranspose " + + "gl_ProjectionMatrixInverseTranspose " + + "gl_ModelViewProjectionMatrixInverseTranspose " + + "gl_TextureMatrixInverseTranspose " + + "gl_NormalScale gl_DepthRange gl_ClipPlane " + + "gl_Point gl_FrontMaterial gl_BackMaterial gl_LightSource gl_LightModel " + + "gl_FrontLightModelProduct gl_BackLightModelProduct " + + "gl_TextureColor gl_EyePlaneS gl_EyePlaneT gl_EyePlaneR gl_EyePlaneQ " + + "gl_FogParameters " + + "gl_MaxLights gl_MaxClipPlanes gl_MaxTextureUnits gl_MaxTextureCoords " + + "gl_MaxVertexAttribs gl_MaxVertexUniformComponents gl_MaxVaryingFloats " + + "gl_MaxVertexTextureImageUnits gl_MaxTextureImageUnits " + + "gl_MaxFragmentUniformComponents gl_MaxCombineTextureImageUnits " + + "gl_MaxDrawBuffers"), + indentSwitch: false, + hooks: {"#": cppHook}, + modeProps: {fold: ["brace", "include"]} + }); + + def("text/x-nesc", { + name: "clike", + keywords: words(cKeywords + " as atomic async call command component components configuration event generic " + + "implementation includes interface module new norace nx_struct nx_union post provides " + + "signal task uses abstract extends"), + types: cTypes, + blockKeywords: words(cBlockKeywords), + atoms: words("null true false"), + hooks: {"#": cppHook}, + modeProps: {fold: ["brace", "include"]} + }); + + def("text/x-objectivec", { + name: "clike", + keywords: words(cKeywords + " " + objCKeywords), + types: objCTypes, + builtin: words(objCBuiltins), + blockKeywords: words(cBlockKeywords + " @synthesize @try @catch @finally @autoreleasepool @synchronized"), + defKeywords: words(cDefKeywords + " @interface @implementation @protocol @class"), + dontIndentStatements: /^@.*$/, + typeFirstDefinitions: true, + atoms: words("YES NO NULL Nil nil true false nullptr"), + isReservedIdentifier: cIsReservedIdentifier, + hooks: { + "#": cppHook, + "*": pointerHook, + }, + modeProps: {fold: ["brace", "include"]} + }); + + def("text/x-objectivec++", { + name: "clike", + keywords: words(cKeywords + " " + objCKeywords + " " + cppKeywords), + types: objCTypes, + builtin: words(objCBuiltins), + blockKeywords: words(cBlockKeywords + " @synthesize @try @catch @finally @autoreleasepool @synchronized class try catch"), + defKeywords: words(cDefKeywords + " @interface @implementation @protocol @class class namespace"), + dontIndentStatements: /^@.*$|^template$/, + typeFirstDefinitions: true, + atoms: words("YES NO NULL Nil nil true false nullptr"), + isReservedIdentifier: cIsReservedIdentifier, + hooks: { + "#": cppHook, + "*": pointerHook, + "u": cpp11StringHook, + "U": cpp11StringHook, + "L": cpp11StringHook, + "R": cpp11StringHook, + "0": cpp14Literal, + "1": cpp14Literal, + "2": cpp14Literal, + "3": cpp14Literal, + "4": cpp14Literal, + "5": cpp14Literal, + "6": cpp14Literal, + "7": cpp14Literal, + "8": cpp14Literal, + "9": cpp14Literal, + token: function(stream, state, style) { + if (style == "variable" && stream.peek() == "(" && + (state.prevToken == ";" || state.prevToken == null || + state.prevToken == "}") && + cppLooksLikeConstructor(stream.current())) + return "def"; + } + }, + namespaceSeparator: "::", + modeProps: {fold: ["brace", "include"]} + }); + + def("text/x-squirrel", { + name: "clike", + keywords: words("base break clone continue const default delete enum extends function in class" + + " foreach local resume return this throw typeof yield constructor instanceof static"), + types: cTypes, + blockKeywords: words("case catch class else for foreach if switch try while"), + defKeywords: words("function local class"), + typeFirstDefinitions: true, + atoms: words("true false null"), + hooks: {"#": cppHook}, + modeProps: {fold: ["brace", "include"]} + }); + + // Ceylon Strings need to deal with interpolation + var stringTokenizer = null; + function tokenCeylonString(type) { + return function(stream, state) { + var escaped = false, next, end = false; + while (!stream.eol()) { + if (!escaped && stream.match('"') && + (type == "single" || stream.match('""'))) { + end = true; + break; + } + if (!escaped && stream.match('``')) { + stringTokenizer = tokenCeylonString(type); + end = true; + break; + } + next = stream.next(); + escaped = type == "single" && !escaped && next == "\\"; + } + if (end) + state.tokenize = null; + return "string"; + } + } + + def("text/x-ceylon", { + name: "clike", + keywords: words("abstracts alias assembly assert assign break case catch class continue dynamic else" + + " exists extends finally for function given if import in interface is let module new" + + " nonempty object of out outer package return satisfies super switch then this throw" + + " try value void while"), + types: function(word) { + // In Ceylon all identifiers that start with an uppercase are types + var first = word.charAt(0); + return (first === first.toUpperCase() && first !== first.toLowerCase()); + }, + blockKeywords: words("case catch class dynamic else finally for function if interface module new object switch try while"), + defKeywords: words("class dynamic function interface module object package value"), + builtin: words("abstract actual aliased annotation by default deprecated doc final formal late license" + + " native optional sealed see serializable shared suppressWarnings tagged throws variable"), + isPunctuationChar: /[\[\]{}\(\),;\:\.`]/, + isOperatorChar: /[+\-*&%=<>!?|^~:\/]/, + numberStart: /[\d#$]/, + number: /^(?:#[\da-fA-F_]+|\$[01_]+|[\d_]+[kMGTPmunpf]?|[\d_]+\.[\d_]+(?:[eE][-+]?\d+|[kMGTPmunpf]|)|)/i, + multiLineStrings: true, + typeFirstDefinitions: true, + atoms: words("true false null larger smaller equal empty finished"), + indentSwitch: false, + styleDefs: false, + hooks: { + "@": function(stream) { + stream.eatWhile(/[\w\$_]/); + return "meta"; + }, + '"': function(stream, state) { + state.tokenize = tokenCeylonString(stream.match('""') ? "triple" : "single"); + return state.tokenize(stream, state); + }, + '`': function(stream, state) { + if (!stringTokenizer || !stream.match('`')) return false; + state.tokenize = stringTokenizer; + stringTokenizer = null; + return state.tokenize(stream, state); + }, + "'": function(stream) { + stream.eatWhile(/[\w\$_\xa1-\uffff]/); + return "atom"; + }, + token: function(_stream, state, style) { + if ((style == "variable" || style == "type") && + state.prevToken == ".") { + return "variable-2"; + } + } + }, + modeProps: { + fold: ["brace", "import"], + closeBrackets: {triples: '"'} + } + }); + +}); diff --git a/web/static/js/vimbin.js b/web/static/js/vimbin.js new file mode 100644 index 0000000..9f23f73 --- /dev/null +++ b/web/static/js/vimbin.js @@ -0,0 +1,125 @@ +// Desc: Main JavaScript file for the Vimbin web app +document.addEventListener("DOMContentLoaded", function () { + // Function to get the preferred theme (dark, light, or system default) + function getPreferredTheme() { + // If the browser doesn't support the prefers-color-scheme media query, return the default theme + if (!window.matchMedia) { + return "default"; + } + + if (window.matchMedia("(prefers-color-scheme: dark)").matches) { + return "catppuccin"; + } + + if (window.matchMedia("(prefers-color-scheme: light)").matches) { + return "default"; + } + + return "default"; + } + + // Function to update Vim mode display + function updateVimMode(vimEvent, vimModeElement) { + const mode = vimEvent.mode; + const sub = vimEvent.subMode; + + vimModeElement.classList.remove( + "normal", + "insert", + "visual", + "visual-line", + ); + + switch (mode) { + case "normal": + vimModeElement.innerText = "NORMAL"; + vimModeElement.classList.add("normal"); + break; + case "insert": + vimModeElement.innerText = "INSERT"; + vimModeElement.classList.add("insert"); + break; + case "visual": + if (sub === "") { + vimModeElement.innerText = "VISUAL"; + vimModeElement.classList.add("visual"); + break; + } + vimModeElement.innerText = "V-LINE"; + vimModeElement.classList.add("visual-line"); + break; + default: + vimModeElement.innerText = "UNKNOWN"; + vimModeElement.classList.add("unknown"); + } + } + + var editor = CodeMirror.fromTextArea(document.getElementById("code"), { + lineNumbers: true, + mode: "text/x-csrc", + keyMap: "vim", + matchBrackets: true, + showCursorWhenSelecting: true, + theme: getPreferredTheme(), + }); + + editor.focus(); + + var vimMode = document.getElementById("vim-mode"); + CodeMirror.on(editor, "vim-mode-change", function (e) { + updateVimMode(e, vimMode); + }); + + CodeMirror.commands.save = async function () { + let status = "No changes were made."; + + try { + const response = await fetch("/save", { + method: "POST", + headers: { + "Content-Type": "application/json", + }, + body: JSON.stringify({ content: editor.getValue() }), + }); + + if (!response.ok) { + throw new Error("Save failed. Reason: " + response.statusText); + } + + // Check if the response has a valid JSON body + const isJson = response.headers + .get("content-type") + ?.includes("application/json"); + + if (!isJson) { + throw new Error("Response was not JSON"); + } + + const changesResponse = await response.json(); + + if (changesResponse.status !== "no changes") { + // Retrieve the number of bytes written from the response headers + const bytesWritten = response.headers.get("X-Bytes-Written"); + status = `${bytesWritten}B written`; + } + } catch (error) { + status = "Error saving: " + error.message; + } + document.getElementById("vim-command-line").innerText = status; + }; + + // Listen for changes in the prefers-color-scheme media query + window.matchMedia("(prefers-color-scheme: dark)").addListener((e) => { + if (e.matches) { + editor.setOption("theme", "catppuccin"); + } else { + editor.setOption("theme", "default"); + } + }); + + window.matchMedia("(prefers-color-scheme: light)").addListener((e) => { + if (e.matches) { + editor.setOption("theme", "default"); + } + }); +}); diff --git a/web/templates/index.html b/web/templates/index.html new file mode 100644 index 0000000..7416133 --- /dev/null +++ b/web/templates/index.html @@ -0,0 +1,39 @@ + + + + + + + vimbin - a pastebin with vim motion + + + + + + + + + + + + + + + +
+

{{.Title}}

+ +
+ +
+ + +
+ +