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, 61 insertions, 0 deletions

diff --git a/trunk/lib/rss/maker/trackback.rb b/trunk/lib/rss/maker/trackback.rb
new file mode 100644
index 0000000000..278fe53ebe
--- /dev/null
+++ b/trunk/lib/rss/maker/trackback.rb
@@ -0,0 +1,61 @@
+require 'rss/trackback'
+require 'rss/maker/1.0'
+require 'rss/maker/2.0'
+
+module RSS
+  module Maker
+    module TrackBackModel
+      def self.append_features(klass)
+        super
+
+        klass.def_other_element("#{RSS::TRACKBACK_PREFIX}_ping")
+        klass.def_classed_elements("#{RSS::TRACKBACK_PREFIX}_about", "value",
+                                   "TrackBackAbouts")
+      end
+
+      class TrackBackAboutsBase < Base
+        def_array_element("about", nil, "TrackBackAbout")
+
+        class TrackBackAboutBase < Base
+          attr_accessor :value
+          add_need_initialize_variable("value")
+          
+          alias_method(:resource, :value)
+          alias_method(:resource=, :value=)
+          alias_method(:content, :value)
+          alias_method(:content=, :value=)
+
+          def have_required_values?
+            @value
+          end
+
+          def to_feed(feed, current)
+            if current.respond_to?(:trackback_abouts) and have_required_values?
+              about = current.class::TrackBackAbout.new
+              setup_values(about)
+              setup_other_elements(about)
+              current.trackback_abouts << about
+            end
+          end
+        end
+      end
+    end
+
+    class ItemsBase
+      class ItemBase; include TrackBackModel; end
+    end
+
+    makers.each do |maker|
+      maker.module_eval(<<-EOC, __FILE__, __LINE__ + 1)
+        class Items
+          class Item
+            class TrackBackAbouts < TrackBackAboutsBase
+              class TrackBackAbout < TrackBackAboutBase
+              end
+            end
+          end
+        end
+      EOC
+    end
+  end
+end