Started again with Rails 4
[feedcatcher.git] / vendor / rails / activesupport / lib / active_support / memoizable.rb
diff --git a/vendor/rails/activesupport/lib/active_support/memoizable.rb b/vendor/rails/activesupport/lib/active_support/memoizable.rb
deleted file mode 100644 (file)
index 71cfe61..0000000
+++ /dev/null
@@ -1,100 +0,0 @@
-module ActiveSupport
-  module Memoizable
-    def self.memoized_ivar_for(symbol)
-      "@_memoized_#{symbol.to_s.sub(/\?\Z/, '_query').sub(/!\Z/, '_bang')}".to_sym
-    end
-
-    module InstanceMethods
-      def self.included(base)
-        base.class_eval do
-          unless base.method_defined?(:freeze_without_memoizable)
-            alias_method_chain :freeze, :memoizable
-          end
-        end
-      end
-
-      def freeze_with_memoizable
-        memoize_all unless frozen?
-        freeze_without_memoizable
-      end
-
-      def memoize_all
-        prime_cache ".*"
-      end
-
-      def unmemoize_all
-        flush_cache ".*"
-      end
-
-      def prime_cache(*syms)
-        syms.each do |sym|
-          methods.each do |m|
-            if m.to_s =~ /^_unmemoized_(#{sym})/
-              if method(m).arity == 0
-                __send__($1)
-              else
-                ivar = ActiveSupport::Memoizable.memoized_ivar_for($1)
-                instance_variable_set(ivar, {})
-              end
-            end
-          end
-        end
-      end
-
-      def flush_cache(*syms, &block)
-        syms.each do |sym|
-          methods.each do |m|
-            if m.to_s =~ /^_unmemoized_(#{sym})/
-              ivar = ActiveSupport::Memoizable.memoized_ivar_for($1)
-              instance_variable_get(ivar).clear if instance_variable_defined?(ivar)
-            end
-          end
-        end
-      end
-    end
-
-    def memoize(*symbols)
-      symbols.each do |symbol|
-        original_method = :"_unmemoized_#{symbol}"
-        memoized_ivar = ActiveSupport::Memoizable.memoized_ivar_for(symbol)
-
-        class_eval <<-EOS, __FILE__, __LINE__
-          include InstanceMethods                                                  # include InstanceMethods
-                                                                                   #
-          if method_defined?(:#{original_method})                                  # if method_defined?(:_unmemoized_mime_type)
-            raise "Already memoized #{symbol}"                                     #   raise "Already memoized mime_type"
-          end                                                                      # end
-          alias #{original_method} #{symbol}                                       # alias _unmemoized_mime_type mime_type
-                                                                                   #
-          if instance_method(:#{symbol}).arity == 0                                # if instance_method(:mime_type).arity == 0
-            def #{symbol}(reload = false)                                          #   def mime_type(reload = false)
-              if reload || !defined?(#{memoized_ivar}) || #{memoized_ivar}.empty?  #     if reload || !defined?(@_memoized_mime_type) || @_memoized_mime_type.empty?
-                #{memoized_ivar} = [#{original_method}.freeze]                     #       @_memoized_mime_type = [_unmemoized_mime_type.freeze]
-              end                                                                  #     end
-              #{memoized_ivar}[0]                                                  #     @_memoized_mime_type[0]
-            end                                                                    #   end
-          else                                                                     # else
-            def #{symbol}(*args)                                                   #   def mime_type(*args)
-              #{memoized_ivar} ||= {} unless frozen?                               #     @_memoized_mime_type ||= {} unless frozen?
-              reload = args.pop if args.last == true || args.last == :reload       #     reload = args.pop if args.last == true || args.last == :reload
-                                                                                   #
-              if defined?(#{memoized_ivar}) && #{memoized_ivar}                    #     if defined?(@_memoized_mime_type) && @_memoized_mime_type
-                if !reload && #{memoized_ivar}.has_key?(args)                      #       if !reload && @_memoized_mime_type.has_key?(args)
-                  #{memoized_ivar}[args]                                           #         @_memoized_mime_type[args]
-                elsif #{memoized_ivar}                                             #       elsif @_memoized_mime_type
-                  #{memoized_ivar}[args] = #{original_method}(*args).freeze        #         @_memoized_mime_type[args] = _unmemoized_mime_type(*args).freeze
-                end                                                                #       end
-              else                                                                 #     else
-                #{original_method}(*args)                                          #       _unmemoized_mime_type(*args)
-              end                                                                  #     end
-            end                                                                    #   end
-          end                                                                      # end
-                                                                                   #
-          if private_method_defined?(#{original_method.inspect})                   # if private_method_defined?(:_unmemoized_mime_type)
-            private #{symbol.inspect}                                              #   private :mime_type
-          end                                                                      # end
-        EOS
-      end
-    end
-  end
-end