added tag v1_9_0_4

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/tags/v1_9_0_4@18845 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 93 insertions, 0 deletions

diff --git a/trunk/lib/rss/xmlparser.rb b/trunk/lib/rss/xmlparser.rb
new file mode 100644
index 0000000000..3dfe7d461a
--- /dev/null
+++ b/trunk/lib/rss/xmlparser.rb
@@ -0,0 +1,93 @@
+begin
+  require "xml/parser"
+rescue LoadError
+  require "xmlparser"
+end
+
+begin
+  require "xml/encoding-ja"
+rescue LoadError
+  require "xmlencoding-ja"
+  if defined?(Kconv)
+    module XMLEncoding_ja
+      class SJISHandler
+        include Kconv
+      end
+    end
+  end
+end
+
+module XML
+  class Parser
+    unless defined?(Error)
+      Error = ::XMLParserError
+    end
+  end
+end
+
+module RSS
+  
+  class REXMLLikeXMLParser < ::XML::Parser
+    
+    include ::XML::Encoding_ja
+
+    def listener=(listener)
+      @listener = listener
+    end
+
+    def startElement(name, attrs)
+      @listener.tag_start(name, attrs)
+    end
+    
+    def endElement(name)
+      @listener.tag_end(name)
+    end
+
+    def character(data)
+      @listener.text(data)
+    end
+
+    def xmlDecl(version, encoding, standalone)
+      @listener.xmldecl(version, encoding, standalone == 1)
+    end
+
+    def processingInstruction(target, content)
+      @listener.instruction(target, content)
+    end
+
+  end
+
+  class XMLParserParser < BaseParser
+
+    class << self
+      def listener
+        XMLParserListener
+      end
+    end
+    
+    private
+    def _parse
+      begin
+        parser = REXMLLikeXMLParser.new
+        parser.listener = @listener
+        parser.parse(@rss)
+      rescue ::XML::Parser::Error => e
+        raise NotWellFormedError.new(parser.line){e.message}
+      end
+    end
+    
+  end
+  
+  class XMLParserListener < BaseListener
+
+    include ListenerMixin
+    
+    def xmldecl(version, encoding, standalone)
+      super
+      # Encoding is converted to UTF-8 when XMLParser parses XML.
+      @encoding = 'UTF-8'
+    end
+
+  end
+
+end