Merge remote branch 'docrails/master'

Author: fxn

README.rdoc

@@ -48,12 +48,12 @@ more separate. Each of these packages can be used independently outside of
 
     "Welcome aboard: You're riding Ruby on Rails!"
 
-5. Follow the guidelines to start developing your application. You can find
-the following resources handy:
+5. Follow the guidelines to start developing your application. You can find the following resources handy:
 
 * The README file created within your application.
 * The {Getting Started Guide}[http://guides.rubyonrails.org/getting_started.html].
 * The {Ruby on Rails Tutorial Book}[http://railstutorial.org/book].
+* The {API documentation}[http://api.rubyonrails.org].
 
 
 == Contributing

actionpack/lib/abstract_controller/base.rb

@@ -6,6 +6,10 @@ 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
@@ -36,13 +40,12 @@ def internal_methods
         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
@@ -54,8 +57,7 @@ def hidden_actions
       # 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
@@ -84,7 +86,7 @@ def clear_action_methods!
       # controller_name.
       #
       # ==== Returns
-      # String
+      # * <tt>string</tt>
       def controller_path
         @controller_path ||= name.sub(/Controller$/, '').underscore unless anonymous?
       end
@@ -104,7 +106,7 @@ def method_added(name)
     # ActionNotFound error is raised.
     #
     # ==== Returns
-    # self
+    # * <tt>self</tt>
     def process(action, *args)
       @_action_name = action_name = action.to_s
 
@@ -133,10 +135,10 @@ def action_methods
       # 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 @@ def _handle_action_missing
       # 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"

actionpack/lib/abstract_controller/callbacks.rb

@@ -28,9 +28,8 @@ module ClassMethods
       # a Rails process.
       #
       # ==== Options
-      # :only<#to_s>:: The callback should be run only for this action
-      # :except<#to_s>:: The callback should be run for all actions
-      #   except this action
+      # * <tt>only</tt>   - The callback should be run only for this action
+      # * <tt>except<tt>  - The callback should be run for all actions except this action
       def _normalize_callback_options(options)
         if only = options[:only]
           only = Array(only).map {|o| "action_name == '#{o}'"}.join(" || ")
@@ -45,7 +44,7 @@ def _normalize_callback_options(options)
       # Skip before, after, and around filters matching any of the names
       #
       # ==== Parameters
-      # *names<Object>:: A list of valid names that could be used for
+      # * <tt>names</tt> - A list of valid names that could be used for
       #   callbacks. Note that skipping uses Ruby equality, so it's
       #   impossible to skip a callback defined using an anonymous proc
       #   using #skip_filter
@@ -60,13 +59,13 @@ def skip_filter(*names, &blk)
       # the normalization across several methods that use it.
       #
       # ==== Parameters
-      # callbacks<Array[*Object, Hash]>:: A list of callbacks, with an optional
+      # * <tt>callbacks</tt> - An array of callbacks, with an optional
       #   options hash as the last parameter.
-      # block<Proc>:: A proc that should be added to the callbacks.
+      # * <tt>block</tt>    - A proc that should be added to the callbacks.
       #
       # ==== Block Parameters
-      # name<Symbol>:: The callback to be added
-      # options<Hash>:: A list of options to be used when adding the callback
+      # * <tt>name</tt>     - The callback to be added
+      # * <tt>options</tt>  - A hash of options to be used when adding the callback
       def _insert_callbacks(callbacks, block)
         options = callbacks.last.is_a?(Hash) ? callbacks.pop : {}
         _normalize_callback_options(options)
@@ -82,27 +81,27 @@ def _insert_callbacks(callbacks, block)
         class_eval <<-RUBY_EVAL, __FILE__, __LINE__ + 1
           # Append a before, after or around filter. See _insert_callbacks
           # for details on the allowed parameters.
-          def #{filter}_filter(*names, &blk)
-            _insert_callbacks(names, blk) do |name, options|
-              set_callback(:process_action, :#{filter}, name, options)
-            end
-          end
+          def #{filter}_filter(*names, &blk)                                                    # def before_filter(*names, &blk)
+            _insert_callbacks(names, blk) do |name, options|                                    #   _insert_callbacks(names, blk) do |name, options}
+              set_callback(:process_action, :#{filter}, name, options)                          #     set_callback(:process_action, :before_filter, name, options)
+            end                                                                                 #   end
+          end                                                                                   # end
 
           # Prepend a before, after or around filter. See _insert_callbacks
           # for details on the allowed parameters.
-          def prepend_#{filter}_filter(*names, &blk)
-            _insert_callbacks(names, blk) do |name, options|
-              set_callback(:process_action, :#{filter}, name, options.merge(:prepend => true))
-            end
-          end
+          def prepend_#{filter}_filter(*names, &blk)                                            # def prepend_before_filter(*names, &blk)
+            _insert_callbacks(names, blk) do |name, options|                                    #   _insert_callbacks(names, blk) do |name, options|
+              set_callback(:process_action, :#{filter}, name, options.merge(:prepend => true))  #     set_callback(:process_action, :before, name, options.merge(:prepend => true))
+            end                                                                                 #   end
+          end                                                                                   # end
 
           # Skip a before, after or around filter. See _insert_callbacks
           # for details on the allowed parameters.
-          def skip_#{filter}_filter(*names, &blk)
-            _insert_callbacks(names, blk) do |name, options|
-              skip_callback(:process_action, :#{filter}, name, options)
-            end
-          end
+          def skip_#{filter}_filter(*names, &blk)                                               # def skip_before_filter(*names, &blk)
+            _insert_callbacks(names, blk) do |name, options|                                    #   _insert_callbacks(names, blk) do |name, options|
+              skip_callback(:process_action, :#{filter}, name, options)                         #     skip_callback(:process_action, :before, name, options)
+            end                                                                                 #   end
+          end                                                                                   # end
 
           # *_filter is the same as append_*_filter
           alias_method :append_#{filter}_filter, :#{filter}_filter

actionpack/lib/abstract_controller/helpers.rb

@@ -40,7 +40,7 @@ def inherited(klass)
       #  <% if logged_in? -%>Welcome, <%= current_user.name %><% end -%>
       #
       # ==== Parameters
-      # meths<Array[#to_s]>:: The name of a method on the controller
+      # * <tt>method[, method]</tt> - A name or names of a method on the controller
       #   to be made available on the view.
       def helper_method(*meths)
         meths.flatten.each do |meth|
@@ -55,8 +55,8 @@ def #{meth}(*args, &blk)
       # The +helper+ class method can take a series of helper module names, a block, or both.
       #
       # ==== Parameters
-      # *args<Array[Module, Symbol, String, :all]>
-      # block<Block>:: A block defining helper methods
+      # * <tt>*args</tt> - Module, Symbol, String, :all
+      # * <tt>block</tt> - A block defining helper methods
       #
       # ==== Examples
       # When the argument is a module it will be included directly in the template class.
@@ -100,7 +100,7 @@ def helper(*args, &block)
       # rendered through this controller.
       #
       # ==== Parameters
-      # mod<Module>:: The module to include into the current helper module
+      # * <tt>module</tt> - The module to include into the current helper module
       #   for the class
       def add_template_helper(mod)
         _helpers.module_eval { include mod }
@@ -118,10 +118,10 @@ def add_template_helper(mod)
       # are returned.
       #
       # ==== Parameters
-      # args<Array[String, Symbol, Module]>:: A list of helpers
+      # * <tt>args</tt> - An array of helpers
       #
       # ==== Returns
-      # Array[Module]:: A normalized list of modules for the list of
+      # * <tt>Array</tt> - A normalized list of modules for the list of
       #   helpers provided.
       def modules_for_helpers(args)
         args.flatten.map! do |arg|

actionpack/lib/abstract_controller/layouts.rb

@@ -114,11 +114,13 @@ module AbstractController
   #
   #   class WeblogController < ActionController::Base
   #     layout proc{ |controller| controller.logged_in? ? "writer_layout" : "reader_layout" }
+  #   end
   #
   # Of course, the most common way of specifying a layout is still just as a plain template name:
   #
   #   class WeblogController < ActionController::Base
   #     layout "weblog_standard"
+  #   end
   #
   # If no directory is specified for the template name, the template will by default be looked for in <tt>app/views/layouts/</tt>.
   # Otherwise, it will be looked up relative to the template root.
@@ -183,7 +185,7 @@ module LayoutConditions
         # layout.
         #
         # ==== Returns
-        # Boolean:: True if the action has a layout, false otherwise.
+        # * <tt> Boolean</tt> - True if the action has a layout, false otherwise.
         def action_has_layout?
           return unless super
 
@@ -209,11 +211,11 @@ def action_has_layout?
       # true::   raise an ArgumentError
       #
       # ==== Parameters
-      # layout<String, Symbol, false)>:: The layout to use.
+      # * <tt>String, Symbol, false</tt> - The layout to use.
       #
       # ==== Options (conditions)
-      # :only<#to_s, Array[#to_s]>:: A list of actions to apply this layout to.
-      # :except<#to_s, Array[#to_s]>:: Apply this layout to all actions but this one
+      # * :only   - A list of actions to apply this layout to.
+      # * :except - Apply this layout to all actions but this one.
       def layout(layout, conditions = {})
         include LayoutConditions unless conditions.empty?
 
@@ -228,7 +230,7 @@ def layout(layout, conditions = {})
       # value of this method.
       #
       # ==== Returns
-      # String:: A template name
+      # * <tt>String</tt> - A template name
       def _implied_layout_name
         controller_path
       end
@@ -313,8 +315,8 @@ def _layout; end
     # the name type.
     #
     # ==== Parameters
-    # name<String|TrueClass|FalseClass|Symbol>:: The name of the template
-    # details<Hash{Symbol => Object}>:: A list of details to restrict
+    # * <tt>name</tt> - The name of the template
+    # * <tt>details</tt> - A list of details to restrict
     #   the lookup to. By default, layout lookup is limited to the
     #   formats specified for the current request.
     def _layout_for_option(name)
@@ -333,14 +335,14 @@ def _layout_for_option(name)
     # Optionally raises an exception if the layout could not be found.
     #
     # ==== Parameters
-    # details<Hash>:: A list of details to restrict the search by. This
+    # * <tt>details</tt> - A list of details to restrict the search by. This
     #   might include details like the format or locale of the template.
-    # require_layout<Boolean>:: If this is true, raise an ArgumentError
+    # * <tt>require_logout</tt> - If this is true, raise an ArgumentError
     #   with details about the fact that the exception could not be
     #   found (defaults to false)
     #
     # ==== Returns
-    # Template:: The template object for the default layout (or nil)
+    # * <tt>template</tt> - The template object for the default layout (or nil)
     def _default_layout(require_layout = false)
       begin
         layout_name = _layout if action_has_layout?

actionpack/lib/abstract_controller/view_paths.rb

@@ -34,19 +34,19 @@ module ClassMethods
       # Append a path to the list of view paths for this controller.
       #
       # ==== Parameters
-      # path<String, ViewPath>:: If a String is provided, it gets converted into
-      # the default view path. You may also provide a custom view path
-      # (see ActionView::ViewPathSet for more information)
+      # * <tt>path</tt> - If a String is provided, it gets converted into
+      #   the default view path. You may also provide a custom view path
+      #   (see ActionView::ViewPathSet for more information)
       def append_view_path(path)
         self.view_paths = view_paths.dup + Array(path)
       end
 
       # Prepend a path to the list of view paths for this controller.
       #
       # ==== Parameters
-      # path<String, ViewPath>:: If a String is provided, it gets converted into
-      # the default view path. You may also provide a custom view path
-      # (see ActionView::ViewPathSet for more information)
+      # * <tt>path</tt> - If a String is provided, it gets converted into
+      #   the default view path. You may also provide a custom view path
+      #   (see ActionView::ViewPathSet for more information)
       def prepend_view_path(path)
         self.view_paths = Array(path) + view_paths.dup
       end
@@ -59,7 +59,7 @@ def view_paths
       # Set the view paths.
       #
       # ==== Parameters
-      # paths<ViewPathSet, Object>:: If a ViewPathSet is provided, use that;
+      # * <tt>paths</tt> - If a ViewPathSet is provided, use that;
       #   otherwise, process the parameter into a ViewPathSet.
       def view_paths=(paths)
         self._view_paths = ActionView::Base.process_view_paths(paths)