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index.html
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<!DOCTYPE html>
<html>
<head>
<script src="http://ajax.googleapis.com/ajax/libs/jquery/1.7.1/jquery.min.js"></script>
<script>
function describe(value) {
if ($.isArray(value)) {
var itemProperties = {}
for (var index in value) {
var itemValue = value[index]
getProperties(itemValue, itemProperties)
}
return { type: "array", itemProperties: itemProperties, }
} else if (typeof value === 'string') {
return { type: "string" }
} else if (typeof value === 'number') {
return { type: "number" }
alert(typeof value)
} else {
return { type: "object", properties: getProperties(value) }
}
}
function getProperties(obj, _model) {
var model;
if (arguments.length == 1) { model = {} } else { model = _model }
for (var key in obj) {
var value = obj[key]
model[key] = describe(value)
}
return model
}
var render = {
object: function(descriptor, name) {
var div = $('<div></div>').addClass('descriptor object')
.append($('<span></span>').addClass('icon').html("{:}"))
.append($('<span></span>').addClass('name').text(name))
for (var property in descriptor.properties) {
var propDescriptor = descriptor.properties[property]
div.append(renderDescriptor(propDescriptor, property))
}
return div
},
array: function(descriptor, name) {
var div = $('<div></div>').addClass('descriptor array')
.append($('<span></span>').addClass('icon').html("[...]"))
.append($('<span></span>').addClass('name').text(name))
for (var property in descriptor.itemProperties) {
var propDescriptor = descriptor.itemProperties[property]
div.append(renderDescriptor(propDescriptor, property))
}
return div
},
string: function(descriptor, name) {
var div = $('<div></div>').addClass('descriptor string')
.append($('<span></span>').addClass('icon').html("«»"))
.append($('<span></span>').addClass('name').text(name))
return div
},
number: function(descriptor, name) {
var div = $('<div></div>').addClass('descriptor number')
.append($('<span></span>').addClass('icon').html("##"))
.append($('<span></span>').addClass('name').text(name))
return div
}
}
function renderDescriptor(descriptor, name) {
return render[descriptor.type](descriptor, name)
}
$(function() {
$('#submit').click(function() {
var json = $('#json').val()
var obj = $.parseJSON(json)
var descriptor = describe(obj)
var modelDiv = $('#model')
modelDiv.empty()
modelDiv.append(renderDescriptor(descriptor, ""))
})
})
</script>
<style>
.descriptor {
margin-top: 5px;
margin-bottom: 5px;
margin-left: 40px;
}
.descriptor.string > .icon { background: #bbb; }
.descriptor.number> .icon { background: #bbb; }
.descriptor.array > .icon { background: #bbf; }
.descriptor.object > .icon { background: #fbb; }
.descriptor > .icon {
display: inline-block;
width: 20px;
text-align: center;
border-right: 1px solid #888;
padding: 3px;
}
.descriptor > .name {
display: inline-block;
background: #ddd;
color: black;
padding: 3px;
}
#model > .descriptor {
margin-left: 0px;
}
</style>
<title>JSONalyzer</title>
</head>
<body>
<textarea id="json" rows="10" cols="300" style="width: 100%"></textarea>
<button id="submit">
Submit
</button>
<div id="model">
</div>
</body>
</html>