1 files changed, 30 insertions, 0 deletions
diff --git a/lib/rss/maker/trackback.rb b/lib/rss/maker/trackback.rb
new file mode 100644
index 0000000000..1ec59ab0b0
--- /dev/null
+++ b/lib/rss/maker/trackback.rb
@@ -0,0 +1,30 @@
+require 'rss/trackback'
+require 'rss/maker/1.0'
+
+module RSS
+  module Maker
+    module TrackBackModel
+      def self.append_features(klass)
+        super
+
+        %w(ping about).each do |element|
+          name = "#{RSS::TRACKBACK_PREFIX}_#{element}"
+          klass.add_need_initialize_variable(name)
+          klass.add_other_element(name)
+          klass.__send__(:attr_accessor, name)
+          klass.module_eval(<<-EOC, __FILE__, __LINE__)
+            def setup_#{name}(rss, current)
+              if #{name} and current.respond_to?(:#{name}=)
+                current.#{name} = @#{name} if @#{name}
+              end
+            end
+          EOC
+        end
+      end
+    end
+
+    class ItemsBase
+      class ItemBase; include TrackBackModel; end
+    end
+  end
+end