1 files changed, 14 insertions, 7 deletions
diff --git a/lib/rss/maker.rb b/lib/rss/maker.rb
index 9ed799ac7f..666dfa872d 100644
--- a/lib/rss/maker.rb
+++ b/lib/rss/maker.rb
@@ -1,14 +1,14 @@
 require "rss/rss"
 
 module RSS
-
   module Maker
-
     MAKERS = {}
-    
+
     class << self
       def make(version, &block)
-        maker(version).make(&block)
+        m = maker(version)
+        raise UnsupportedMakerVersionError.new(version) if m.nil?
+        m.make(&block)
       end
 
       def maker(version)
@@ -19,19 +19,26 @@ module RSS
         MAKERS[version] = maker
       end
 
-      def filename_to_version(filename)
-        File.basename(filename, ".*")
+      def versions
+        MAKERS.keys.uniq.sort
+      end
+
+      def makers
+        MAKERS.values.uniq
       end
     end
   end
-  
 end
 
 require "rss/maker/1.0"
 require "rss/maker/2.0"
+require "rss/maker/feed"
+require "rss/maker/entry"
 require "rss/maker/content"
 require "rss/maker/dublincore"
+require "rss/maker/slash"
 require "rss/maker/syndication"
 require "rss/maker/taxonomy"
 require "rss/maker/trackback"
 require "rss/maker/image"
+require "rss/maker/itunes"