* lib/rss/rss.rb: RSS::Element#initialize accepts initial

  attributes.
* lib/rss/0.9.rb: ditto.
* lib/rss/1.0.rb: ditto.
* lib/rss/2.0.rb: ditto.
* lib/rss/dublincore.rb: ditto.
* lib/rss/image.rb: ditto.
* lib/rss/taxonomy.rb: ditto.
* lib/rss/trackback.rb: ditto.

* lib/rss/utils.rb: added Utils.element_initialize_arguments? to
  detect backward compatibility initial arguments.

* lib/rss/parser.rb: user initial attributes to initialize
  RSS::Element.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_8@10317 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 14 insertions, 4 deletions

diff --git a/lib/rss/rss.rb b/lib/rss/rss.rb
index b1e1b55e4e..5900d5078c 100644
--- a/lib/rss/rss.rb
+++ b/lib/rss/rss.rb
@@ -489,6 +489,7 @@ EOC
             alias_method "\#{$POSTMATCH}?", name
           end
           GET_ATTRIBUTES << [name, uri, required]
+          add_need_initialize_variable(disp_name)
         end
 
         def self.def_corresponded_attr_writer(name, type=nil, disp_name=name)
@@ -552,10 +553,10 @@ EOC
 
     attr_accessor :do_validate
 
-    def initialize(do_validate=true)
+    def initialize(do_validate=true, attrs={})
       @converter = nil
       @do_validate = do_validate
-      initialize_variables
+      initialize_variables(attrs)
     end
 
     def tag_name
@@ -605,9 +606,18 @@ EOC
     end
     
     private
-    def initialize_variables
+    def initialize_variables(attrs)
+      normalized_attrs = {}
+      attrs.each do |key, value|
+        normalized_attrs[key.to_s] = value
+      end
       self.class.need_initialize_variables.each do |variable_name|
-        instance_eval("@#{variable_name} = nil")
+        value = normalized_attrs[variable_name.to_s]
+        if value
+          __send__("#{variable_name}=", value)
+        else
+          instance_eval("@#{variable_name} = nil")
+        end
       end
       initialize_have_children_elements
       @content = "" if self.class.have_content?