* lib/rss: rss library imported. [ruby-dev:22726]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@5566 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

lib/rss/2.0.rb

@@ -0,0 +1,148 @@
+require "rss/0.9"
+
+module RSS
+
+	class Rss
+
+		URI = "http://backend.userland.com/rss2"
+
+		install_ns('', URI)
+		
+		def self.required_uri
+			URI
+		end
+
+		class Channel
+
+			def self.required_uri
+				URI
+			end
+
+			%w(generator ttl).each do |x|
+				install_text_element(x)
+			end
+
+			%w(category).each do |x|
+				install_have_child_element(x)
+			end
+
+			[
+				["image", "?"],
+			].each do |x, occurs|
+				install_model(x, occurs)
+			end
+
+			def other_element(convert, indent='')
+				rv = <<-EOT
+#{indent}#{category_element(convert)}
+#{indent}#{generator_element(convert)}
+#{indent}#{ttl_element(convert)}
+EOT
+				rv << super
+			end
+
+			Category = Item::Category
+			def Category.required_uri
+				URI
+			end
+
+			class Item
+			
+				def self.required_uri
+					URI
+				end
+
+				[
+					["pubDate", '?'],
+				].each do |x, occurs|
+					install_date_element(x, 'rfc822')
+					install_model(x, occurs)
+				end
+
+				[
+					["guid", '?'],
+				].each do |x, occurs|
+					install_have_child_element(x)
+					install_model(x, occurs)
+				end
+			
+				def other_element(convert, indent='')
+					rv = <<-EOT
+#{indent}#{pubDate_element(false)}
+#{indent}#{guid_element(false)}
+EOT
+					rv << super
+				end
+
+				class Guid < Element
+					
+					include RSS09
+
+					def self.required_uri
+						URI
+					end
+
+					[
+						["isPermaLink", nil, false]
+					].each do |name, uri, required|
+						install_get_attribute(name, uri, required)
+					end
+
+					content_setup
+
+					def initialize(isPermaLink=nil, content=nil)
+						super()
+						@isPermaLink = isPermaLink
+						@content = content
+					end
+
+					def to_s(convert=true)
+						if @content
+							rv = %Q!<guid!
+							rv << %Q! isPermaLink="#{h @isPermaLink}"! if @isPermaLink
+							rv << %Q!>#{h @content}</guid>!
+							rv = @converter.convert(rv) if convert and @converter
+							rv
+						else
+							''
+						end
+					end
+
+					private
+					def _attrs
+						[
+							["isPermaLink", false]
+						]
+					end
+
+				end
+
+			end
+
+		end
+
+	end
+
+	if const_defined?(:BaseListener)
+		RSS09::ELEMENTS.each do |x|
+			BaseListener.install_get_text_element(x, Rss::URI, "#{x}=")
+		end
+	end
+
+	if const_defined?(:ListenerMixin)
+		module ListenerMixin
+			private
+			def start_rss(tag_name, prefix, attrs, ns)
+				check_ns(tag_name, prefix, ns, Rss::URI)
+
+				@rss = Rss.new(attrs['version'], @version, @encoding, @standalone)
+				@last_element = @rss
+				@proc_stack.push Proc.new { |text, tags|
+					@rss.validate_for_stream(tags) if @do_validate
+				}
+			end
+					
+		end
+	end
+
+end