diff options
Diffstat (limited to 'actionpack/lib/abstract_controller')
| -rw-r--r-- | actionpack/lib/abstract_controller/asset_paths.rb | 4 | ||||
| -rw-r--r-- | actionpack/lib/abstract_controller/base.rb | 18 | ||||
| -rw-r--r-- | actionpack/lib/abstract_controller/callbacks.rb | 28 | ||||
| -rw-r--r-- | actionpack/lib/abstract_controller/layouts.rb | 176 | ||||
| -rw-r--r-- | actionpack/lib/abstract_controller/logger.rb | 5 | ||||
| -rw-r--r-- | actionpack/lib/abstract_controller/railties/routes_helpers.rb | 4 | ||||
| -rw-r--r-- | actionpack/lib/abstract_controller/rendering.rb | 29 | ||||
| -rw-r--r-- | actionpack/lib/abstract_controller/url_for.rb | 12 | ||||
| -rw-r--r-- | actionpack/lib/abstract_controller/view_paths.rb | 4 |
9 files changed, 161 insertions, 119 deletions
diff --git a/actionpack/lib/abstract_controller/asset_paths.rb b/actionpack/lib/abstract_controller/asset_paths.rb index c2a6809f58..822254b1a4 100644 --- a/actionpack/lib/abstract_controller/asset_paths.rb +++ b/actionpack/lib/abstract_controller/asset_paths.rb @@ -1,10 +1,10 @@ module AbstractController - module AssetPaths + module AssetPaths #:nodoc: extend ActiveSupport::Concern included do config_accessor :asset_host, :asset_path, :assets_dir, :javascripts_dir, - :stylesheets_dir, :default_asset_host_protocol + :stylesheets_dir, :default_asset_host_protocol, :relative_url_root end end end diff --git a/actionpack/lib/abstract_controller/base.rb b/actionpack/lib/abstract_controller/base.rb index fd6a46fbec..97a9eec144 100644 --- a/actionpack/lib/abstract_controller/base.rb +++ b/actionpack/lib/abstract_controller/base.rb @@ -1,11 +1,15 @@ require 'erubis' +require 'set' require 'active_support/configurable' require 'active_support/descendants_tracker' require 'active_support/core_ext/module/anonymous' module AbstractController - class Error < StandardError; end - class ActionNotFound < StandardError; end + class Error < StandardError #:nodoc: + end + + class ActionNotFound < StandardError #:nodoc: + end # <tt>AbstractController::Base</tt> is a low-level API. Nobody should be # using it directly, and subclasses (like ActionController::Base) are @@ -42,8 +46,8 @@ module AbstractController 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. Defaults to an empty array. + # This can be modified by other modules or subclasses # to specify particular actions as hidden. # # ==== Returns @@ -59,7 +63,7 @@ module AbstractController # itself. Finally, #hidden_actions are removed. # # ==== Returns - # * <tt>array</tt> - A list of all methods that should be considered actions. + # * <tt>set</tt> - A set of all methods that should be considered actions. def action_methods @action_methods ||= begin # All public instance methods of this class, including ancestors @@ -72,7 +76,7 @@ module AbstractController hidden_actions.to_a # Clear out AS callback method pollution - methods.reject { |method| method =~ /_one_time_conditions/ } + Set.new(methods.reject { |method| method =~ /_one_time_conditions/ }) end end @@ -85,7 +89,7 @@ module AbstractController # Returns the full controller name, underscored, without the ending Controller. # For instance, MyApp::MyPostsController would return "my_app/my_posts" for - # controller_name. + # controller_path. # # ==== Returns # * <tt>string</tt> diff --git a/actionpack/lib/abstract_controller/callbacks.rb b/actionpack/lib/abstract_controller/callbacks.rb index 7004e607a1..c0fa28cae9 100644 --- a/actionpack/lib/abstract_controller/callbacks.rb +++ b/actionpack/lib/abstract_controller/callbacks.rb @@ -8,7 +8,7 @@ module AbstractController include ActiveSupport::Callbacks included do - define_callbacks :process_action, :terminator => "response_body" + define_callbacks :process_action, :terminator => "response_body", :skip_after_callbacks_if_terminated => true end # Override AbstractController::Base's process_action to run the @@ -21,11 +21,9 @@ module AbstractController module ClassMethods # If :only or :except are used, convert the options into the - # primitive form (:per_key) used by ActiveSupport::Callbacks. + # :unless and :if options of ActiveSupport::Callbacks. # The basic idea is that :only => :index gets converted to - # :if => proc {|c| c.action_name == "index" }, but that the - # proc is only evaluated once per action for the lifetime of - # a Rails process. + # :if => proc {|c| c.action_name == "index" }. # # ==== Options # * <tt>only</tt> - The callback should be run only for this action @@ -33,11 +31,11 @@ module AbstractController def _normalize_callback_options(options) if only = options[:only] only = Array(only).map {|o| "action_name == '#{o}'"}.join(" || ") - options[:per_key] = {:if => only} + options[:if] = Array(options[:if]) << only end if except = options[:except] except = Array(except).map {|e| "action_name == '#{e}'"}.join(" || ") - options[:per_key] = {:unless => except} + options[:unless] = Array(options[:unless]) << except end end @@ -48,7 +46,7 @@ module AbstractController # callbacks. Note that skipping uses Ruby equality, so it's # impossible to skip a callback defined using an anonymous proc # using #skip_filter - def skip_filter(*names, &blk) + def skip_filter(*names) skip_before_filter(*names) skip_after_filter(*names) skip_around_filter(*names) @@ -66,7 +64,7 @@ module AbstractController # ==== Block Parameters # * <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) + def _insert_callbacks(callbacks, block = nil) options = callbacks.last.is_a?(Hash) ? callbacks.pop : {} _normalize_callback_options(options) callbacks.push(block) if block @@ -92,7 +90,7 @@ module AbstractController ## # :method: skip_before_filter # - # :call-seq: skip_before_filter(names, block) + # :call-seq: skip_before_filter(names) # # Skip a before filter. See _insert_callbacks for parameter details. @@ -120,7 +118,7 @@ module AbstractController ## # :method: skip_after_filter # - # :call-seq: skip_after_filter(names, block) + # :call-seq: skip_after_filter(names) # # Skip an after filter. See _insert_callbacks for parameter details. @@ -148,7 +146,7 @@ module AbstractController ## # :method: skip_around_filter # - # :call-seq: skip_around_filter(names, block) + # :call-seq: skip_around_filter(names) # # Skip an around filter. See _insert_callbacks for parameter details. @@ -167,7 +165,6 @@ module AbstractController # for details on the allowed parameters. def #{filter}_filter(*names, &blk) # def before_filter(*names, &blk) _insert_callbacks(names, blk) do |name, options| # _insert_callbacks(names, blk) do |name, options| - options[:if] = (Array.wrap(options[:if]) << "!halted") if #{filter == :after} # options[:if] = (Array.wrap(options[:if]) << "!halted") if false set_callback(:process_action, :#{filter}, name, options) # set_callback(:process_action, :before, name, options) end # end end # end @@ -176,15 +173,14 @@ module AbstractController # for details on the allowed parameters. 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| - options[:if] = (Array.wrap(options[:if]) << "!halted") if #{filter == :after} # options[:if] = (Array.wrap(options[:if]) << "!halted") if false 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) # def skip_before_filter(*names, &blk) - _insert_callbacks(names, blk) do |name, options| # _insert_callbacks(names, blk) do |name, options| + def skip_#{filter}_filter(*names) # def skip_before_filter(*names) + _insert_callbacks(names) do |name, options| # _insert_callbacks(names) do |name, options| skip_callback(:process_action, :#{filter}, name, options) # skip_callback(:process_action, :before, name, options) end # end end # end diff --git a/actionpack/lib/abstract_controller/layouts.rb b/actionpack/lib/abstract_controller/layouts.rb index bbf5efe565..bc9f6fc3e8 100644 --- a/actionpack/lib/abstract_controller/layouts.rb +++ b/actionpack/lib/abstract_controller/layouts.rb @@ -66,27 +66,40 @@ module AbstractController # == Inheritance Examples # # class BankController < ActionController::Base - # layout "bank_standard" + # # bank.html.erb exists + # + # class ExchangeController < BankController + # # exchange.html.erb exists + # + # class CurrencyController < BankController # # class InformationController < BankController + # layout "information" # - # class TellerController < BankController + # class TellerController < InformationController # # teller.html.erb exists # - # class TillController < TellerController + # class EmployeeController < InformationController + # # employee.html.erb exists + # layout nil # # class VaultController < BankController # layout :access_level_layout # - # class EmployeeController < BankController - # layout nil + # class TillController < BankController + # layout false # - # In these examples: - # * The InformationController uses the "bank_standard" layout, inherited from BankController. - # * The TellerController follows convention and uses +app/views/layouts/teller.html.erb+. - # * The TillController inherits the layout from TellerController and uses +teller.html.erb+ as well. + # In these examples, we have three implicit lookup scenarios: + # * The BankController uses the "bank" layout. + # * The ExchangeController uses the "exchange" layout. + # * The CurrencyController inherits the layout from BankController. + # + # However, when a layout is explicitly set, the explicitly set layout wins: + # * The InformationController uses the "information" layout, explicitly set. + # * The TellerController also uses the "information" layout, because the parent explicitly set it. + # * The EmployeeController uses the "employee" layout, because it set the layout to nil, resetting the parent configuration. # * The VaultController chooses a layout dynamically by calling the <tt>access_level_layout</tt> method. - # * The EmployeeController does not use a layout at all. + # * The TillController does not use a layout at all. # # == Types of layouts # @@ -107,6 +120,7 @@ module AbstractController # def writers_and_readers # logged_in? ? "writer_layout" : "reader_layout" # end + # end # # Now when a new request for the index action is processed, the layout will vary depending on whether the person accessing # is logged in or not. @@ -114,7 +128,14 @@ module AbstractController # If you want to use an inline method, such as a proc, do something like this: # # class WeblogController < ActionController::Base - # layout proc{ |controller| controller.logged_in? ? "writer_layout" : "reader_layout" } + # layout proc { |controller| controller.logged_in? ? "writer_layout" : "reader_layout" } + # end + # + # If an argument isn't given to the proc, it's evaluated in the context of + # the current controller anyway. + # + # class WeblogController < ActionController::Base + # layout proc { 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: @@ -123,8 +144,24 @@ module AbstractController # 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. + # The template will be looked always in <tt>app/views/layouts/</tt> folder. But you can point + # <tt>layouts</tt> folder direct also. <tt>layout "layouts/demo"</tt> is the same as <tt>layout "demo"</tt>. + # + # Setting the layout to nil forces it to be looked up in the filesystem and fallbacks to the parent behavior if none exists. + # Setting it to nil is useful to re-enable template lookup overriding a previous configuration set in the parent: + # + # class ApplicationController < ActionController::Base + # layout "application" + # end + # + # class PostsController < ApplicationController + # # Will use "application" layout + # end + # + # class CommentsController < ApplicationController + # # Will search for "comments" layout and fallback "application" layout + # layout nil + # end # # == Conditional layouts # @@ -166,13 +203,15 @@ module AbstractController include Rendering included do - class_attribute :_layout_conditions - remove_possible_method :_layout_conditions - delegate :_layout_conditions, :to => :'self.class' + class_attribute :_layout, :_layout_conditions, + :instance_reader => false, :instance_writer => false + self._layout = nil self._layout_conditions = {} _write_layout_method end + delegate :_layout_conditions, :to => "self.class" + module ClassMethods def inherited(klass) super @@ -188,7 +227,7 @@ module AbstractController # # ==== Returns # * <tt> Boolean</tt> - True if the action has a layout, false otherwise. - def action_has_layout? + def conditional_layout? return unless super conditions = _layout_conditions @@ -207,10 +246,10 @@ module AbstractController # # If the specified layout is a: # String:: the String is the template name - # Symbol:: call the method specified by the symbol, which will return - # the template name + # Symbol:: call the method specified by the symbol, which will return the template name # false:: There is no layout # true:: raise an ArgumentError + # nil:: Force default layout behavior with inheritance # # ==== Parameters # * <tt>layout</tt> - The layout to use. @@ -224,7 +263,7 @@ module AbstractController conditions.each {|k, v| conditions[k] = Array(v).map {|a| a.to_s} } self._layout_conditions = conditions - @_layout = layout || false # Converts nil to false + self._layout = layout _write_layout_method end @@ -244,43 +283,50 @@ module AbstractController def _write_layout_method remove_possible_method(:_layout) - case defined?(@_layout) ? @_layout : nil - when String - self.class_eval %{def _layout; #{@_layout.inspect} end}, __FILE__, __LINE__ - when Symbol - self.class_eval <<-ruby_eval, __FILE__, __LINE__ + 1 - def _layout - #{@_layout}.tap do |layout| + prefixes = _implied_layout_name =~ /\blayouts/ ? [] : ["layouts"] + name_clause = if name + <<-RUBY + lookup_context.find_all("#{_implied_layout_name}", #{prefixes.inspect}).first || super + RUBY + else + <<-RUBY + super + RUBY + end + + layout_definition = case _layout + when String + _layout.inspect + when Symbol + <<-RUBY + #{_layout}.tap do |layout| unless layout.is_a?(String) || !layout - raise ArgumentError, "Your layout method :#{@_layout} returned \#{layout}. It " \ + raise ArgumentError, "Your layout method :#{_layout} returned \#{layout}. It " \ "should have returned a String, false, or nil" end end - end - ruby_eval - when Proc - define_method :_layout_from_proc, &@_layout - self.class_eval %{def _layout; _layout_from_proc(self) end}, __FILE__, __LINE__ - when false - self.class_eval %{def _layout; end}, __FILE__, __LINE__ - when true - raise ArgumentError, "Layouts must be specified as a String, Symbol, false, or nil" - when nil - if name - _prefixes = _implied_layout_name =~ /\blayouts/ ? [] : ["layouts"] - - self.class_eval <<-RUBY, __FILE__, __LINE__ + 1 - def _layout - if template_exists?("#{_implied_layout_name}", #{_prefixes.inspect}) - "#{_implied_layout_name}" - else - super - end - end RUBY - end + when Proc + define_method :_layout_from_proc, &_layout + _layout.arity == 0 ? "_layout_from_proc" : "_layout_from_proc(self)" + when false + nil + when true + raise ArgumentError, "Layouts must be specified as a String, Symbol, Proc, false, or nil" + when nil + name_clause end - self.class_eval { private :_layout } + + self.class_eval <<-RUBY, __FILE__, __LINE__ + 1 + def _layout + if conditional_layout? + #{layout_definition} + else + #{name_clause} + end + end + private :_layout + RUBY end end @@ -288,9 +334,8 @@ module AbstractController super if _include_layout?(options) - layout = options.key?(:layout) ? options.delete(:layout) : :default - value = _layout_for_option(layout) - options[:layout] = (value =~ /\blayouts/ ? value : "layouts/#{value}") if value + layout = options.delete(:layout) { :default } + options[:layout] = _layout_for_option(layout) end end @@ -305,6 +350,10 @@ module AbstractController @_action_has_layout end + def conditional_layout? + true + end + private # This will be overwritten by _write_layout_method @@ -316,16 +365,21 @@ module AbstractController # * <tt>name</tt> - The name of the template def _layout_for_option(name) case name - when String then name - when true then _default_layout(true) - when :default then _default_layout(false) + when String then _normalize_layout(name) + when Proc then name + when true then Proc.new { _default_layout(true) } + when :default then Proc.new { _default_layout(false) } when false, nil then nil else raise ArgumentError, - "String, true, or false, expected for `layout'; you passed #{name.inspect}" + "String, Proc, :default, true, or false, expected for `layout'; you passed #{name.inspect}" end end + def _normalize_layout(value) + value.is_a?(String) && value !~ /\blayouts/ ? "layouts/#{value}" : value + end + # Returns the default layout for this controller. # Optionally raises an exception if the layout could not be found. # @@ -337,17 +391,17 @@ module AbstractController # * <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? + value = _layout if action_has_layout? rescue NameError => e raise e, "Could not render layout: #{e.message}" end - if require_layout && action_has_layout? && !layout_name + if require_layout && action_has_layout? && !value raise ArgumentError, "There was no default layout for #{self.class} in #{view_paths.inspect}" end - layout_name + _normalize_layout(value) end def _include_layout?(options) diff --git a/actionpack/lib/abstract_controller/logger.rb b/actionpack/lib/abstract_controller/logger.rb index 0b196119f4..c31ea6c5b5 100644 --- a/actionpack/lib/abstract_controller/logger.rb +++ b/actionpack/lib/abstract_controller/logger.rb @@ -1,13 +1,12 @@ -require "active_support/core_ext/logger" require "active_support/benchmarkable" module AbstractController - module Logger + module Logger #:nodoc: extend ActiveSupport::Concern included do config_accessor :logger - extend ActiveSupport::Benchmarkable + include ActiveSupport::Benchmarkable end end end diff --git a/actionpack/lib/abstract_controller/railties/routes_helpers.rb b/actionpack/lib/abstract_controller/railties/routes_helpers.rb index dec1e9d6d9..6684f46f64 100644 --- a/actionpack/lib/abstract_controller/railties/routes_helpers.rb +++ b/actionpack/lib/abstract_controller/railties/routes_helpers.rb @@ -5,8 +5,8 @@ module AbstractController Module.new do define_method(:inherited) do |klass| super(klass) - if namespace = klass.parents.detect {|m| m.respond_to?(:_railtie) } - klass.send(:include, namespace._railtie.routes.url_helpers) + if namespace = klass.parents.detect { |m| m.respond_to?(:railtie_routes_url_helpers) } + klass.send(:include, namespace.railtie_routes_url_helpers) else klass.send(:include, routes.url_helpers) end diff --git a/actionpack/lib/abstract_controller/rendering.rb b/actionpack/lib/abstract_controller/rendering.rb index 41fdc11196..7d73c6af8d 100644 --- a/actionpack/lib/abstract_controller/rendering.rb +++ b/actionpack/lib/abstract_controller/rendering.rb @@ -1,6 +1,5 @@ require "abstract_controller/base" require "action_view" -require "active_support/core_ext/object/instance_variables" module AbstractController class DoubleRenderError < Error @@ -35,7 +34,7 @@ module AbstractController include AbstractController::ViewPaths included do - config_accessor :protected_instance_variables, :instance_reader => false + class_attribute :protected_instance_variables self.protected_instance_variables = [] end @@ -59,19 +58,8 @@ module AbstractController attr_internal_writer :view_context_class - # Explicitly define protected_instance_variables so it can be - # inherited and overwritten by other modules if needed. - def protected_instance_variables - config.protected_instance_variables - end - def view_context_class - @_view_context_class || self.class.view_context_class - end - - def initialize(*) - @_view_context_class = nil - super + @_view_context_class ||= self.class.view_context_class end # An instance of a view class. The default view class is ActionView::Base @@ -117,23 +105,24 @@ module AbstractController # Find and renders a template based on the options given. # :api: private def _render_template(options) #:nodoc: + lookup_context.rendered_format = nil if options[:formats] view_renderer.render(view_context, options) end - DEFAULT_PROTECTED_INSTANCE_VARIABLES = %w( - @_action_name @_response_body @_formats @_prefixes @_config - @_view_context_class @_view_renderer @_lookup_context - ) + DEFAULT_PROTECTED_INSTANCE_VARIABLES = [ + :@_action_name, :@_response_body, :@_formats, :@_prefixes, :@_config, + :@_view_context_class, :@_view_renderer, :@_lookup_context + ] # This method should return a hash with assigns. # You can overwrite this configuration per controller. # :api: public def view_assigns hash = {} - variables = instance_variable_names + variables = instance_variables variables -= protected_instance_variables variables -= DEFAULT_PROTECTED_INSTANCE_VARIABLES - variables.each { |name| hash[name.to_s[1, name.length]] = instance_variable_get(name) } + variables.each { |name| hash[name[1..-1]] = instance_variable_get(name) } hash end diff --git a/actionpack/lib/abstract_controller/url_for.rb b/actionpack/lib/abstract_controller/url_for.rb index e4261068d8..4a95e1f276 100644 --- a/actionpack/lib/abstract_controller/url_for.rb +++ b/actionpack/lib/abstract_controller/url_for.rb @@ -1,10 +1,10 @@ -# Includes +url_for+ into the host class (e.g. an abstract controller or mailer). The class -# has to provide a +RouteSet+ by implementing the <tt>_routes</tt> methods. Otherwise, an -# exception will be raised. -# -# Note that this module is completely decoupled from HTTP - the only requirement is a valid -# <tt>_routes</tt> implementation. module AbstractController + # Includes +url_for+ into the host class (e.g. an abstract controller or mailer). The class + # has to provide a +RouteSet+ by implementing the <tt>_routes</tt> methods. Otherwise, an + # exception will be raised. + # + # Note that this module is completely decoupled from HTTP - the only requirement is a valid + # <tt>_routes</tt> implementation. module UrlFor extend ActiveSupport::Concern include ActionDispatch::Routing::UrlFor diff --git a/actionpack/lib/abstract_controller/view_paths.rb b/actionpack/lib/abstract_controller/view_paths.rb index e8394447a7..c08b3a0e2a 100644 --- a/actionpack/lib/abstract_controller/view_paths.rb +++ b/actionpack/lib/abstract_controller/view_paths.rb @@ -10,7 +10,7 @@ module AbstractController self._view_paths.freeze end - delegate :find_template, :template_exists?, :view_paths, :formats, :formats=, + delegate :template_exists?, :view_paths, :formats, :formats=, :locale, :locale=, :to => :lookup_context module ClassMethods @@ -89,7 +89,7 @@ module AbstractController # * <tt>paths</tt> - If a PathSet is provided, use that; # otherwise, process the parameter into a PathSet. def view_paths=(paths) - self._view_paths = ActionView::PathSet.new(Array.wrap(paths)) + self._view_paths = ActionView::PathSet.new(Array(paths)) end end end |