* lib/rss, test/rss, sample/rss: backported from CVS HEAD.

git-svn-id: http://svn.ruby-lang.org/repos/ruby/branches/ruby_1_8@7509 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 107 insertions, 11 deletions

diff --git a/lib/rss/maker/trackback.rb b/lib/rss/maker/trackback.rb
index 1ec59ab0b..ef78bf2f2 100644
--- a/lib/rss/maker/trackback.rb
+++ b/lib/rss/maker/trackback.rb
@@ -1,5 +1,6 @@
 require 'rss/trackback'
 require 'rss/maker/1.0'
+require 'rss/maker/2.0'
 
 module RSS
   module Maker
@@ -7,18 +8,65 @@ module RSS
       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
+        name = "#{RSS::TRACKBACK_PREFIX}_ping"
+        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}
             end
-          EOC
+          end
+        EOC
+
+        name = "#{RSS::TRACKBACK_PREFIX}_abouts"
+        klass.add_need_initialize_variable(name, "make_#{name}")
+        klass.add_other_element(name)
+        klass.__send__(:attr_accessor, name)
+        klass.module_eval(<<-EOC, __FILE__, __LINE__)
+          def make_#{name}
+            self.class::TrackBackAbouts.new(self)
+          end
+
+          def setup_#{name}(rss, current)
+            @#{name}.to_rss(rss, current)
+          end
+        EOC
+      end
+
+      class TrackBackAboutsBase
+        include Base
+
+        def_array_element("abouts")
+        
+        def new_about
+          about = self.class::About.new(@maker)
+          @abouts << about 
+          about
+        end
+
+        def to_rss(rss, current)
+          @abouts.each do |about|
+            about.to_rss(rss, current)
+          end
+        end
+        
+        class AboutBase
+          include 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
+          
         end
       end
     end
@@ -26,5 +74,53 @@ module RSS
     class ItemsBase
       class ItemBase; include TrackBackModel; end
     end
+
+    class RSS10
+      class Items
+        class Item
+          class TrackBackAbouts < TrackBackAboutsBase
+            class About < AboutBase
+              def to_rss(rss, current)
+                if resource
+                  about = ::RSS::TrackBackModel10::About.new(resource)
+                  current.trackback_abouts << about
+                end
+              end
+            end
+          end
+        end
+      end
+    end
+
+    class RSS09
+      class Items
+        class Item
+          class TrackBackAbouts < TrackBackAboutsBase
+            def to_rss(*args)
+            end
+            class About < AboutBase
+            end
+          end
+        end
+      end
+    end
+    
+    class RSS20
+      class Items
+        class Item
+          class TrackBackAbouts < TrackBackAboutsBase
+            class About < AboutBase
+              def to_rss(rss, current)
+                if content
+                  about = ::RSS::TrackBackModel20::About.new(content)
+                  current.trackback_abouts << about
+                end
+              end
+            end
+          end
+        end
+      end
+    end
+    
   end
 end