Update duplicated OrderedOptions code.

git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@3664 5ecf4fe2-1ee6-0310-87b1-e25e094e27de

railties/lib/initializer.rb

@@ -569,10 +569,8 @@ def default_plugin_paths
 
 # Needs to be duplicated from Active Support since its needed before Active
 # Support is available.
-class OrderedOptions < Array # :nodoc:
-  def []=(key, value)
-    key = key.to_sym
-
+class OrderedHash < Array #:nodoc:
+  def []=(key, value)    
     if pair = find_pair(key)
       pair.pop
       pair << value
@@ -580,18 +578,14 @@ def []=(key, value)
       self << [key, value]
     end
   end
-
+  
   def [](key)
-    pair = find_pair(key.to_sym)
+    pair = find_pair(key)
     pair ? pair.last : nil
   end
 
-  def method_missing(name, *args)
-    if name.to_s =~ /(.*)=$/
-      self[$1.to_sym] = args.first
-    else
-      self[name]
-    end
+  def keys
+    self.collect { |i| i.first }
   end
 
   private
@@ -600,3 +594,21 @@ def find_pair(key)
       return false
     end
 end
+
+class OrderedOptions < OrderedHash #:nodoc:
+  def []=(key, value)
+    super(key.to_sym, value)
+  end
+  
+  def [](key)
+    super(key.to_sym)
+  end
+
+  def method_missing(name, *args)
+    if name.to_s =~ /(.*)=$/
+      self[$1.to_sym] = args.first
+    else
+      self[name]
+    end
+  end
+end
\ No newline at end of file