Work in progress

doc/Serializing.md

@@ -0,0 +1,7 @@
+Serializing X12
+==============
+
+Once you have built a parse tree, either by generating one programatically (see
+{file:Generating.md Generating}) or parsing serialized input (see
+{file:Parsing.md}), you can serialize it back to a string using one of the
+classes in [`Stupidedi::Writer`][1].

lib/stupidedi/editor/005010/N4.rb

@@ -0,0 +1,63 @@
+class Stupidedi
+  module Editor
+
+    class FiftyTenEd
+      module N4
+
+        def critique_n4(n4, acc)
+          edit(:N4) do
+            usa_canada =
+              n4.element(2).select(&:present?).defined? ||
+              n4.element(4).select(&:blank?).defined?   ||
+              n4.element(4).select{|e| e.node == "US" }.defined? ||
+              n4.element(7).select(&:blank?).defined?
+
+            # State or Province Code
+            n4.element(2).tap do |e|
+              if usa_canada
+                if e.node.blank? and e.node.situational?
+                  # Required
+                end
+              else
+                if e.node.present? and e.node.situational?
+                  # Forbidden
+                end
+              end
+            end
+
+            # Postal Code
+            n4.element(3).tap do |e|
+              if usa_canada and e.node =~ /^(\d{1,8}|\d{10,})$/
+                acc.warn(e, "must be 9-digits for usa")
+              end
+            end
+
+            # Country Code
+            n4.element(4).tap do |e|
+              if usa_canada
+                if e.node.present? and e.node.situational?
+                  # Forbidden
+                end
+              else
+                # Country codes 2-digit from ISO 3166
+              end
+            end
+
+            # Country Subdivision Code
+          # n4.element(7).tap do |e|
+          #   if usa_canada
+          #     if e.node.present? and e.node.situational?
+          #       # Forbidden
+          #     end
+          #   else
+          #     # Country subdivision codes from ISO 3166
+          #   end
+          # end
+          end
+        end
+
+      end
+    end
+
+  end
+end

notes/generator.rb

@@ -50,7 +50,7 @@
   p z.root.node.characters.to_a
 
   separators =
-    Stupidedi::Reader::Separators.build(:segment => "~\n", :element => "*")
+    Stupidedi::Reader::Separators.build(:segment => "~\n", :element => "*", :component => ">")
 
   Stupidedi::Writer::Default.new(z.root, separators).write($stdout)
 end