1 files changed, 111 insertions, 0 deletions
diff --git a/jni/ruby/lib/rexml/formatters/default.rb b/jni/ruby/lib/rexml/formatters/default.rb
new file mode 100644
index 0000000..574c821
--- /dev/null
+++ b/jni/ruby/lib/rexml/formatters/default.rb
@@ -0,0 +1,111 @@
+module REXML
+  module Formatters
+    class Default
+      # Prints out the XML document with no formatting -- except if id_hack is
+      # set.
+      #
+      # ie_hack::
+      #   If set to true, then inserts whitespace before the close of an empty
+      #   tag, so that IE's bad XML parser doesn't choke.
+      def initialize( ie_hack=false )
+        @ie_hack = ie_hack
+      end
+
+      # Writes the node to some output.
+      #
+      # node::
+      #   The node to write
+      # output::
+      #   A class implementing <TT>&lt;&lt;</TT>.  Pass in an Output object to
+      #   change the output encoding.
+      def write( node, output )
+        case node
+
+        when Document
+          if node.xml_decl.encoding != 'UTF-8' && !output.kind_of?(Output)
+            output = Output.new( output, node.xml_decl.encoding )
+          end
+          write_document( node, output )
+
+        when Element
+          write_element( node, output )
+
+        when Declaration, ElementDecl, NotationDecl, ExternalEntity, Entity,
+             Attribute, AttlistDecl
+          node.write( output,-1 )
+
+        when Instruction
+          write_instruction( node, output )
+
+        when DocType, XMLDecl
+          node.write( output )
+
+        when Comment
+          write_comment( node, output )
+
+        when CData
+          write_cdata( node, output )
+
+        when Text
+          write_text( node, output )
+
+        else
+          raise Exception.new("XML FORMATTING ERROR")
+
+        end
+      end
+
+      protected
+      def write_document( node, output )
+        node.children.each { |child| write( child, output ) }
+      end
+
+      def write_element( node, output )
+        output << "<#{node.expanded_name}"
+
+        node.attributes.to_a.map { |a|
+          Hash === a ? a.values : a
+        }.flatten.sort_by {|attr| attr.name}.each do |attr|
+          output << " "
+          attr.write( output )
+        end unless node.attributes.empty?
+
+        if node.children.empty?
+          output << " " if @ie_hack
+          output << "/"
+        else
+          output << ">"
+          node.children.each { |child|
+            write( child, output )
+          }
+          output << "</#{node.expanded_name}"
+        end
+        output << ">"
+      end
+
+      def write_text( node, output )
+        output << node.to_s()
+      end
+
+      def write_comment( node, output )
+        output << Comment::START
+        output << node.to_s
+        output << Comment::STOP
+      end
+
+      def write_cdata( node, output )
+        output << CData::START
+        output << node.to_s
+        output << CData::STOP
+      end
+
+      def write_instruction( node, output )
+        output << Instruction::START.sub(/\\/u, '')
+        output << node.target
+        output << ' '
+        output << node.content
+        output << Instruction::STOP.sub(/\\/u, '')
+      end
+    end
+  end
+end