Some performance goodness for inheritable attributes.

Signed-off-by: NJeremy Kemper <jeremy@bitsweat.net>

actionpack/lib/action_controller/layout.rb

@@ -164,17 +164,17 @@ module ClassMethods
       # performance and have access to them as any normal template would.
       def layout(template_name, conditions = {}, auto = false)
         add_layout_conditions(conditions)
-        write_inheritable_attribute "layout", template_name
-        write_inheritable_attribute "auto_layout", auto
+        write_inheritable_attribute(:layout, template_name)
+        write_inheritable_attribute(:auto_layout, auto)
       end
 
       def layout_conditions #:nodoc:
-        @layout_conditions ||= read_inheritable_attribute("layout_conditions")
+        @layout_conditions ||= read_inheritable_attribute(:layout_conditions)
       end
 
       def default_layout(format) #:nodoc:
-        layout = read_inheritable_attribute("layout")
-        return layout unless read_inheritable_attribute("auto_layout")
+        layout = read_inheritable_attribute(:layout)
+        return layout unless read_inheritable_attribute(:auto_layout)
         @default_layout ||= {}
         @default_layout[format] ||= default_layout_with_format(format, layout)
         @default_layout[format]
@@ -194,7 +194,7 @@ def inherited_with_layout(child)
         end
 
         def add_layout_conditions(conditions)
-          write_inheritable_hash "layout_conditions", normalize_conditions(conditions)
+          write_inheritable_hash(:layout_conditions, normalize_conditions(conditions))
         end
 
         def normalize_conditions(conditions)

actionpack/lib/action_controller/session_management.rb

@@ -86,14 +86,14 @@ def session(*args)
           raise ArgumentError, "only one of either :only or :except are allowed"
         end
 
-        write_inheritable_array("session_options", [options])
+        write_inheritable_array(:session_options, [options])
       end
 
       # So we can declare session options in the Rails initializer.
       alias_method :session=, :session
 
       def cached_session_options #:nodoc:
-        @session_options ||= read_inheritable_attribute("session_options") || []
+        @session_options ||= read_inheritable_attribute(:session_options) || []
       end
 
       def session_options_for(request, action) #:nodoc:

activerecord/lib/active_record/base.rb

@@ -920,12 +920,12 @@ def decrement_counter(counter_name, id)
       # To start from an all-closed default and enable attributes as needed,
       # have a look at +attr_accessible+.
       def attr_protected(*attributes)
-        write_inheritable_attribute("attr_protected", Set.new(attributes.map(&:to_s)) + (protected_attributes || []))
+        write_inheritable_attribute(:attr_protected, Set.new(attributes.map(&:to_s)) + (protected_attributes || []))
       end
 
       # Returns an array of all the attributes that have been protected from mass-assignment.
       def protected_attributes # :nodoc:
-        read_inheritable_attribute("attr_protected")
+        read_inheritable_attribute(:attr_protected)
       end
 
       # Specifies a white list of model attributes that can be set via
@@ -953,22 +953,22 @@ def protected_attributes # :nodoc:
       #   customer.credit_rating = "Average"
       #   customer.credit_rating # => "Average"
       def attr_accessible(*attributes)
-        write_inheritable_attribute("attr_accessible", Set.new(attributes.map(&:to_s)) + (accessible_attributes || []))
+        write_inheritable_attribute(:attr_accessible, Set.new(attributes.map(&:to_s)) + (accessible_attributes || []))
       end
 
       # Returns an array of all the attributes that have been made accessible to mass-assignment.
       def accessible_attributes # :nodoc:
-        read_inheritable_attribute("attr_accessible")
+        read_inheritable_attribute(:attr_accessible)
       end
 
        # Attributes listed as readonly can be set for a new record, but will be ignored in database updates afterwards.
        def attr_readonly(*attributes)
-         write_inheritable_attribute("attr_readonly", Set.new(attributes.map(&:to_s)) + (readonly_attributes || []))
+         write_inheritable_attribute(:attr_readonly, Set.new(attributes.map(&:to_s)) + (readonly_attributes || []))
        end
 
        # Returns an array of all the attributes that have been specified as readonly.
        def readonly_attributes
-         read_inheritable_attribute("attr_readonly")
+         read_inheritable_attribute(:attr_readonly)
        end
 
       # If you have an attribute that needs to be saved to the database as an object, and retrieved as the same object,
@@ -992,7 +992,7 @@ def serialize(attr_name, class_name = Object)
 
       # Returns a hash of all the attributes that have been specified for serialization as keys and their class restriction as values.
       def serialized_attributes
-        read_inheritable_attribute("attr_serialized") or write_inheritable_attribute("attr_serialized", {})
+        read_inheritable_attribute(:attr_serialized) or write_inheritable_attribute(:attr_serialized, {})
       end
 
 

activeresource/lib/active_resource/base.rb

@@ -283,13 +283,13 @@ def format=(mime_type_reference_or_format)
         format = mime_type_reference_or_format.is_a?(Symbol) ?
           ActiveResource::Formats[mime_type_reference_or_format] : mime_type_reference_or_format
 
-        write_inheritable_attribute("format", format)
+        write_inheritable_attribute(:format, format)
         connection.format = format if site
       end
 
       # Returns the current format, default is ActiveResource::Formats::XmlFormat.
       def format
-        read_inheritable_attribute("format") || ActiveResource::Formats[:xml]
+        read_inheritable_attribute(:format) || ActiveResource::Formats[:xml]
       end
 
       # Sets the number of seconds after which requests to the REST API should time out.