* lib/rss: backoported from HEAD.

* lib/rss: refactored.
  - gave a name to 'x'.
  - undef_method -> remove_method for avoiding a warning in ruby 1.6.


* lib/rss/parser.rb: @@setter -> @@setters.

* lib/rss/parser.rb
  (RSS::BaseListener.register_uri)
  (RSS::BaseListener.uri_registered?)
  (RSS::BaseListener.install_get_text_element):
  swapped the first argument and the second argument.

* lib/rss/taxonomy.rb: swapped the first argument and the second
  argument for RSS::BaseListener.install_get_text_element.
* lib/rss/image.rb: ditto.
* lib/rss/syndication.rb: ditto.
* lib/rss/dublincore.rb: ditto.
* lib/rss/parser.rb: ditto.
* lib/rss/1.0.rb: ditto.
* lib/rss/2.0.rb: ditto.
* lib/rss/0.9.rb: ditto.
* lib/rss/content.rb: ditto.

* lib/rss/parser.rb
  (RSS::BaseListener.install_setter)
  (RSS::BaseListener.register_uri): changed fallback way.

* lib/rss/parser.rb: added class name registry for complex model
  elements. (ex. have childlen elements, have some attributes and
  a child element and so on.)


* lib/rss/dublincore.rb: supported multiple Dublin Core items.
* lib/rss/maker/dublincore.rb: ditto.
* lib/rss/maker/image.rb: supproted new Dublin Core API.
* lib/rss/maker/base.rb: added default current_element implementation.
* lib/rss/trackback.rb (RSS::TrackBackUtils.new_with_value_if_need):
  moved to RSS::Utils.

* lib/rss/utils.rb (RSS::Utils.new_with_value_if_need):
  moved from RSS::TrackBackUtils.

* lib/rss/maker/image.rb: fixed invalid argument of
  add_need_initialize_variable bug.
* lib/rss/maker/trackback.rb: ditto.

* lib/rss/rss.rb (Hash#merge): added for ruby 1.6.
* lib/rss/rss.rb (RSS::BaseModel.date_writer): changed to accept nil
  for date value.


* test/test_dublincore.rb: added tests for plural accessor and
  multiple Dublin Core items.

* test/test_setup_maker_1.0.rb: fixed swapped actual and expected
  values.

* test/rss/rss-assertions.rb (assert_multiple_dublin_core): added
  an assertion for testing multiple Dublin Core items.

* test/rss/test_maker_dc.rb (test_rss10_multiple): added a test
  for making multiple Dublin Core items.

* test/rss/test_maker_dc.rb (test_date): added a test for #date=
  and #dc_date=.


* sample/rss/tdiary_plugin/rss-recent.rb:
  new option: @options['rss-recent.use-image-link']:
  use image as link instread of text if available.

* sample/rss/tdiary_plugin/rss-recent.rb (RSS_RECENT_VERSION):
  0.0.5 -> 0.0.6.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_8@8284 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

test/rss/test_maker_dc.rb

@@ -56,16 +56,86 @@ module RSS
       assert_dublin_core(@elements, rss.textinput)
     end
 
+    def test_rss10_multiple
+      elems = []
+      @elements.each do |name, value|
+        plural = name.to_s + (name == :rights ? "es" : "s")
+        values = [value]
+        if name == :date
+          values << value + 60
+        else
+          values << value * 2
+        end
+        elems << [name, values, plural]
+      end
+      
+      rss = RSS::Maker.make("1.0") do |maker|
+        setup_dummy_channel(maker)
+        set_multiple_elements(maker.channel, elems)
+
+        setup_dummy_image(maker)
+        set_multiple_elements(maker.image, elems)
+
+        setup_dummy_item(maker)
+        item = maker.items.last
+        elems.each do |name, values, plural|
+          dc_elems = item.__send__("dc_#{plural}")
+          values.each do |value|
+            elem = dc_elems.__send__("new_#{name}")
+            elem.value = value
+          end
+        end
+
+        setup_dummy_textinput(maker)
+        set_multiple_elements(maker.textinput, elems)
+      end
+      assert_multiple_dublin_core(elems, rss.channel)
+      assert_multiple_dublin_core(elems, rss.image)
+      assert_multiple_dublin_core(elems, rss.items.last)
+      assert_multiple_dublin_core(elems, rss.textinput)
+    end
+
+    def test_date
+      t1 = Time.iso8601("2000-01-01T12:00:05+00:00")
+      t2 = Time.iso8601("2005-01-01T12:00:05+00:00")
+      
+      rss = RSS::Maker.make("1.0") do |maker|
+        setup_dummy_channel(maker)
+        maker.channel.date = t1
+        date = maker.channel.dc_dates.new_date
+        date.value = t2
+
+        setup_dummy_item(maker)
+        item = maker.items.last
+        item.date = t2
+        date = item.dc_dates.new_date
+        date.value = t1
+      end
+      assert_equal([t1, t2], rss.channel.dc_dates.collect{|x| x.value})
+      assert_equal([t2, t1], rss.items.last.dc_dates.collect{|x| x.value})
+    end
+    
     private
     def accessor_name(name)
       "dc_#{name}"
     end
 
-    def set_elements(target)
-      @elements.each do |name, value|
+    def set_elements(target, elems=@elements)
+      elems.each do |name, value|
         target.__send__("#{accessor_name(name)}=", value)
       end
     end
 
+    def set_multiple_elements(target, elems)
+      elems.each do |name, values, plural|
+        plural ||= "#{name}s"
+        dc_elems = target.__send__("dc_#{plural}")
+        values.each do |value|
+          new_dc_elem = dc_elems.__send__("new_#{name}")
+          new_dc_elem.value = value
+        end
+      end
+    end
+
   end
 end