diff options
Diffstat (limited to 'actionpack/lib/abstract_controller/base.rb')
| -rw-r--r-- | actionpack/lib/abstract_controller/base.rb | 46 |
1 files changed, 24 insertions, 22 deletions
diff --git a/actionpack/lib/abstract_controller/base.rb b/actionpack/lib/abstract_controller/base.rb index db0a6736e0..c384fd0978 100644 --- a/actionpack/lib/abstract_controller/base.rb +++ b/actionpack/lib/abstract_controller/base.rb @@ -6,9 +6,14 @@ module AbstractController class Error < StandardError; end class ActionNotFound < StandardError; end + # <tt>AbstractController::Base</tt> is a low-level API. Nobody should be + # using it directly, and subclasses (like ActionController::Base) are + # expected to provide their own +render+ method, since rendering means + # different things depending on the context. class Base attr_internal :response_body attr_internal :action_name + attr_internal :formats include ActiveSupport::Configurable extend ActiveSupport::DescendantsTracker @@ -26,23 +31,21 @@ module AbstractController # A list of all internal methods for a controller. This finds the first # abstract superclass of a controller, and gets a list of all public # instance methods on that abstract class. Public instance methods of - # a controller would normally be considered action methods, so we - # are removing those methods on classes declared as abstract - # (ActionController::Metal and ActionController::Base are defined - # as abstract) + # a controller would normally be considered action methods, so methods + # declared on abstract classes are being removed. + # (ActionController::Metal and ActionController::Base are defined as abstract) def internal_methods controller = self controller = controller.superclass until controller.abstract? controller.public_instance_methods(true) end - # The list of hidden actions to an empty Array. Defaults to an - # empty Array. This can be modified by other modules or subclasses + # The list of hidden actions to an empty array. Defaults to an + # empty array. This can be modified by other modules or subclasses # to specify particular actions as hidden. # # ==== Returns - # Array[String]:: An array of method names that should not be - # considered actions. + # * <tt>array</tt> - An array of method names that should not be considered actions. def hidden_actions [] end @@ -54,18 +57,17 @@ module AbstractController # itself. Finally, #hidden_actions are removed. # # ==== Returns - # Array[String]:: A list of all methods that should be considered - # actions. + # * <tt>array</tt> - A list of all methods that should be considered actions. def action_methods @action_methods ||= begin # All public instance methods of this class, including ancestors - methods = public_instance_methods(true).map { |m| m.to_s }.to_set - + methods = (public_instance_methods(true) - # Except for public instance methods of Base and its ancestors - internal_methods.map { |m| m.to_s } + + internal_methods + # Be sure to include shadowed public instance methods of this class - public_instance_methods(false).map { |m| m.to_s } - + public_instance_methods(false)).uniq.map { |x| x.to_s } - # And always exclude explicitly hidden actions - hidden_actions + hidden_actions.to_a # Clear out AS callback method pollution methods.reject { |method| method =~ /_one_time_conditions/ } @@ -84,7 +86,7 @@ module AbstractController # controller_name. # # ==== Returns - # String + # * <tt>string</tt> def controller_path @controller_path ||= name.sub(/Controller$/, '').underscore unless anonymous? end @@ -104,12 +106,12 @@ module AbstractController # ActionNotFound error is raised. # # ==== Returns - # self + # * <tt>self</tt> def process(action, *args) @_action_name = action_name = action.to_s unless action_name = method_for_action(action_name) - raise ActionNotFound, "The action '#{action}' could not be found for #{self.class.name}" + raise ActionNotFound, "The action '#{action}' could not be found for #{self.class.name}" end @_response_body = nil @@ -133,10 +135,10 @@ module AbstractController # can be considered an action. # # ==== Parameters - # name<String>:: The name of an action to be tested + # * <tt>name</tt> - The name of an action to be tested # # ==== Returns - # TrueClass, FalseClass + # * <tt>TrueClass</tt>, <tt>FalseClass</tt> def action_method?(name) self.class.action_methods.include?(name) end @@ -180,11 +182,11 @@ module AbstractController # returns nil, an ActionNotFound exception will be raised. # # ==== Parameters - # action_name<String>:: An action name to find a method name for + # * <tt>action_name</tt> - An action name to find a method name for # # ==== Returns - # String:: The name of the method that handles the action - # nil:: No method name could be found. Raise ActionNotFound. + # * <tt>string</tt> - The name of the method that handles the action + # * <tt>nil</tt> - No method name could be found. Raise ActionNotFound. def method_for_action(action_name) if action_method?(action_name) then action_name elsif respond_to?(:action_missing, true) then "_handle_action_missing" |