ruby--ruby/lib/rss/xmlparser.rb

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 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

		private
		def listener
			XMLParserListener
		end

		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