From dd41f66af577947ad420fbd2a44184344ad5c983 Mon Sep 17 00:00:00 2001
From: Joshua Peek <josh@joshpeek.com>
Date: Mon, 14 Jul 2008 19:51:43 -0500
Subject: Include Memoizable in ActionView::Template

---
 actionpack/lib/action_view/renderable.rb         | 15 ++++-----
 actionpack/lib/action_view/renderable_partial.rb | 15 ++++-----
 actionpack/lib/action_view/template.rb           | 40 +++++++++---------------
 3 files changed, 27 insertions(+), 43 deletions(-)

diff --git a/actionpack/lib/action_view/renderable.rb b/actionpack/lib/action_view/renderable.rb
index 4fda408367..9185045adf 100644
--- a/actionpack/lib/action_view/renderable.rb
+++ b/actionpack/lib/action_view/renderable.rb
@@ -7,20 +7,17 @@ module ActionView
       @@mutex = Mutex.new
     end
 
+    include ActiveSupport::Memoizable
+
     def handler
-      @handler ||= Template.handler_class_for_extension(extension)
+      Template.handler_class_for_extension(extension)
     end
+    memorize :handler
 
     def compiled_source
-      @compiled_source ||= handler.new(nil).compile(self) if handler.compilable?
-    end
-
-    def freeze
-      # Eager load and freeze memoized methods
-      handler.freeze
-      compiled_source.freeze
-      super
+      handler.new(nil).compile(self) if handler.compilable?
     end
+    memorize :compiled_source
 
     def render(view, local_assigns = {})
       view._first_render ||= self
diff --git a/actionpack/lib/action_view/renderable_partial.rb b/actionpack/lib/action_view/renderable_partial.rb
index 7b51eccc27..d2fe635b9c 100644
--- a/actionpack/lib/action_view/renderable_partial.rb
+++ b/actionpack/lib/action_view/renderable_partial.rb
@@ -3,20 +3,17 @@ module ActionView
     # NOTE: The template that this mixin is beening include into is frozen
     # So you can not set or modify any instance variables
 
+    include ActiveSupport::Memoizable
+
     def variable_name
-      @variable_name ||= name.sub(/\A_/, '').to_sym
+      name.sub(/\A_/, '').to_sym
     end
+    memorize :variable_name
 
     def counter_name
-      @counter_name ||= "#{variable_name}_counter".to_sym
-    end
-
-    def freeze
-      # Eager load and freeze memoized methods
-      variable_name.freeze
-      counter_name.freeze
-      super
+      "#{variable_name}_counter".to_sym
     end
+    memorize :counter_name
 
     def render(view, local_assigns = {})
       ActionController::Base.benchmark("Rendered #{path_without_format_and_extension}", Logger::DEBUG, false) do
diff --git a/actionpack/lib/action_view/template.rb b/actionpack/lib/action_view/template.rb
index 42659efbd4..b39ba0c48b 100644
--- a/actionpack/lib/action_view/template.rb
+++ b/actionpack/lib/action_view/template.rb
@@ -1,6 +1,7 @@
 module ActionView #:nodoc:
   class Template
     extend TemplateHandlers
+    include ActiveSupport::Memoizable
     include Renderable
 
     attr_accessor :filename, :load_path, :base_path, :name, :format, :extension
@@ -16,48 +17,37 @@ module ActionView #:nodoc:
       extend RenderablePartial if @name =~ /^_/
     end
 
-    def freeze
-      # Eager load and freeze memoized methods
-      format_and_extension.freeze
-      path.freeze
-      path_without_extension.freeze
-      path_without_format_and_extension.freeze
-      source.freeze
-      method_segment.freeze
-
-      super
-    end
-
     def format_and_extension
-      @format_and_extension ||= (extensions = [format, extension].compact.join(".")).blank? ? nil : extensions
+      (extensions = [format, extension].compact.join(".")).blank? ? nil : extensions
     end
+    memorize :format_and_extension
 
     def path
-      @path ||= [base_path, [name, format, extension].compact.join('.')].compact.join('/')
+      [base_path, [name, format, extension].compact.join('.')].compact.join('/')
     end
+    memorize :path
 
     def path_without_extension
-      @path_without_extension ||= [base_path, [name, format].compact.join('.')].compact.join('/')
+      [base_path, [name, format].compact.join('.')].compact.join('/')
     end
+    memorize :path_without_extension
 
     def path_without_format_and_extension
-      @path_without_format_and_extension ||= [base_path, name].compact.join('/')
+      [base_path, name].compact.join('/')
     end
+    memorize :path_without_format_and_extension
 
     def source
-      @source ||= File.read(filename)
+      File.read(filename)
     end
+    memorize :source
 
     def method_segment
-      unless @method_segment
-        segment = File.expand_path(filename)
-        segment.sub!(/^#{Regexp.escape(File.expand_path(RAILS_ROOT))}/, '') if defined?(RAILS_ROOT)
-        segment.gsub!(/([^a-zA-Z0-9_])/) { $1.ord }
-        @method_segment = segment
-      end
-
-      @method_segment
+      segment = File.expand_path(filename)
+      segment.sub!(/^#{Regexp.escape(File.expand_path(RAILS_ROOT))}/, '') if defined?(RAILS_ROOT)
+      segment.gsub!(/([^a-zA-Z0-9_])/) { $1.ord }
     end
+    memorize :method_segment
 
     def render_template(view, local_assigns = {})
       render(view, local_assigns)
-- 
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