diff options
Diffstat (limited to 'actionpack/lib/action_dispatch/routing/mapper.rb')
-rw-r--r-- | actionpack/lib/action_dispatch/routing/mapper.rb | 166 |
1 files changed, 92 insertions, 74 deletions
diff --git a/actionpack/lib/action_dispatch/routing/mapper.rb b/actionpack/lib/action_dispatch/routing/mapper.rb index 09a8c10043..cf9c0d7b6a 100644 --- a/actionpack/lib/action_dispatch/routing/mapper.rb +++ b/actionpack/lib/action_dispatch/routing/mapper.rb @@ -16,7 +16,7 @@ module ActionDispatch end end - attr_reader :app + attr_reader :app, :constraints def initialize(app, constraints, request) @app, @constraints, @request = app, constraints, request @@ -54,6 +54,7 @@ module ActionDispatch def initialize(set, scope, path, options) @set, @scope = set, scope + @segment_keys = nil @options = (@scope[:options] || {}).merge(options) @path = normalize_path(path) normalize_options! @@ -213,7 +214,9 @@ module ActionDispatch end def segment_keys - @segment_keys ||= Journey::Path::Pattern.new( + return @segment_keys if @segment_keys + + @segment_keys = Journey::Path::Pattern.new( Journey::Router::Strexp.compile(@path, requirements, SEPARATORS) ).names end @@ -285,7 +288,7 @@ module ActionDispatch # A pattern can also point to a +Rack+ endpoint i.e. anything that # responds to +call+: # - # match 'photos/:id' => lambda {|hash| [200, {}, "Coming soon" } + # match 'photos/:id' => lambda {|hash| [200, {}, "Coming soon"] } # match 'photos/:id' => PhotoRackApp # # Yes, controller actions are just rack endpoints # match 'photos/:id' => PhotosController.action(:show) @@ -374,10 +377,6 @@ module ActionDispatch # # Matches any request starting with 'path' # match 'path' => 'c#a', :anchor => false def match(path, options=nil) - mapping = Mapping.new(@set, @scope, path, options || {}) - app, conditions, requirements, defaults, as, anchor = mapping.to_route - @set.add_route(app, conditions, requirements, defaults, as, anchor) - self end # Mount a Rack-based application to be used within the application. @@ -468,7 +467,7 @@ module ActionDispatch # # get 'bacon', :to => 'food#bacon' def get(*args, &block) - map_method(:get, *args, &block) + map_method(:get, args, &block) end # Define a route that only recognizes HTTP POST. @@ -478,7 +477,7 @@ module ActionDispatch # # post 'bacon', :to => 'food#bacon' def post(*args, &block) - map_method(:post, *args, &block) + map_method(:post, args, &block) end # Define a route that only recognizes HTTP PUT. @@ -488,25 +487,24 @@ module ActionDispatch # # put 'bacon', :to => 'food#bacon' def put(*args, &block) - map_method(:put, *args, &block) + map_method(:put, args, &block) end - # Define a route that only recognizes HTTP PUT. + # Define a route that only recognizes HTTP DELETE. # For supported arguments, see <tt>Base#match</tt>. # # Example: # # delete 'broccoli', :to => 'food#broccoli' def delete(*args, &block) - map_method(:delete, *args, &block) + map_method(:delete, args, &block) end private - def map_method(method, *args, &block) + def map_method(method, args, &block) options = args.extract_options! options[:via] = method - args.push(options) - match(*args, &block) + match(*args, options, &block) self end end @@ -735,7 +733,7 @@ module ActionDispatch # if the user should be given access to that route, or +false+ if the user should not. # # class Iphone - # def self.matches(request) + # def self.matches?(request) # request.env["HTTP_USER_AGENT"] =~ /iPhone/ # end # end @@ -867,8 +865,6 @@ module ActionDispatch CANONICAL_ACTIONS = %w(index create new show update destroy) class Resource #:nodoc: - DEFAULT_ACTIONS = [:index, :create, :new, :show, :update, :destroy, :edit] - attr_reader :controller, :path, :options def initialize(entities, options = {}) @@ -880,7 +876,7 @@ module ActionDispatch end def default_actions - self.class::DEFAULT_ACTIONS + [:index, :create, :new, :show, :update, :destroy, :edit] end def actions @@ -934,16 +930,17 @@ module ActionDispatch end class SingletonResource < Resource #:nodoc: - DEFAULT_ACTIONS = [:show, :create, :update, :destroy, :new, :edit] - def initialize(entities, options) super - @as = nil @controller = (options[:controller] || plural).to_s @as = options[:as] end + def default_actions + [:show, :create, :update, :destroy, :new, :edit] + end + def plural @plural ||= name.to_s.pluralize end @@ -991,7 +988,7 @@ module ActionDispatch return self end - resource_scope(SingletonResource.new(resources.pop, options)) do + resource_scope(:resource, SingletonResource.new(resources.pop, options)) do yield if block_given? collection do @@ -1023,6 +1020,7 @@ module ActionDispatch # creates seven different routes in your application, all mapping to # the +Photos+ controller: # + # GET /photos # GET /photos/new # POST /photos # GET /photos/:id @@ -1038,6 +1036,7 @@ module ActionDispatch # # This generates the following comments routes: # + # GET /photos/:photo_id/comments # GET /photos/:photo_id/comments/new # POST /photos/:photo_id/comments # GET /photos/:photo_id/comments/:id @@ -1049,13 +1048,20 @@ module ActionDispatch # Takes same options as <tt>Base#match</tt> as well as: # # [:path_names] - # Allows you to change the paths of the seven default actions. - # Paths not specified are not changed. + # Allows you to change the segment component of the +edit+ and +new+ actions. + # Actions not specified are not changed. # # resources :posts, :path_names => { :new => "brand_new" } # # The above example will now change /posts/new to /posts/brand_new # + # [:path] + # Allows you to change the path prefix for the resource. + # + # resources :posts, :path => 'postings' + # + # The resource and all segments will now route to /postings instead of /posts + # # [:only] # Only generate routes for the given actions. # @@ -1120,7 +1126,7 @@ module ActionDispatch return self end - resource_scope(Resource.new(resources.pop, options)) do + resource_scope(:resources, Resource.new(resources.pop, options)) do yield if block_given? collection do @@ -1243,32 +1249,47 @@ module ActionDispatch parent_resource.instance_of?(Resource) && @scope[:shallow] end - def match(*args) - options = args.extract_options!.dup - options[:anchor] = true unless options.key?(:anchor) - - if args.length > 1 - args.each { |path| match(path, options.dup) } - return self + # match 'path' => 'controller#action' + # match 'path', to: 'controller#action' + # match 'path', 'otherpath', on: :member, via: :get + def match(path, *rest) + if rest.empty? && Hash === path + options = path + path, to = options.find { |name, value| name.is_a?(String) } + options[:to] = to + options.delete(path) + paths = [path] + else + options = rest.pop || {} + paths = [path] + rest end - on = options.delete(:on) - if VALID_ON_OPTIONS.include?(on) - args.push(options) - return send(on){ match(*args) } - elsif on + options[:anchor] = true unless options.key?(:anchor) + + if options[:on] && !VALID_ON_OPTIONS.include?(options[:on]) raise ArgumentError, "Unknown scope #{on.inspect} given to :on" end - if @scope[:scope_level] == :resources - args.push(options) - return nested { match(*args) } - elsif @scope[:scope_level] == :resource - args.push(options) - return member { match(*args) } + paths.each { |_path| decomposed_match(_path, options.dup) } + self + end + + def decomposed_match(path, options) # :nodoc: + if on = options.delete(:on) + send(on) { decomposed_match(path, options) } + else + case @scope[:scope_level] + when :resources + nested { decomposed_match(path, options) } + when :resource + member { decomposed_match(path, options) } + else + add_route(path, options) + end end + end - action = args.first + def add_route(action, options) # :nodoc: path = path_for_action(action, options.delete(:path)) if action.to_s =~ /^[\w\/]+$/ @@ -1277,13 +1298,15 @@ module ActionDispatch action = nil end - if options.key?(:as) && !options[:as] + if !options.fetch(:as, true) options.delete(:as) else options[:as] = name_for_action(options[:as], action) end - super(path, options) + mapping = Mapping.new(@set, @scope, path, options) + app, conditions, requirements, defaults, as, anchor = mapping.to_route + @set.add_route(app, conditions, requirements, defaults, as, anchor) end def root(options={}) @@ -1339,7 +1362,7 @@ module ActionDispatch end def scope_action_options? #:nodoc: - @scope[:options].is_a?(Hash) && (@scope[:options][:only] || @scope[:options][:except]) + @scope[:options] && (@scope[:options][:only] || @scope[:options][:except]) end def scope_action_options #:nodoc: @@ -1347,11 +1370,11 @@ module ActionDispatch end def resource_scope? #:nodoc: - @scope[:scope_level].in?([:resource, :resources]) + [:resource, :resources].include? @scope[:scope_level] end def resource_method_scope? #:nodoc: - @scope[:scope_level].in?([:collection, :member, :new]) + [:collection, :member, :new].include? @scope[:scope_level] end def with_exclusive_scope @@ -1376,8 +1399,8 @@ module ActionDispatch @scope[:scope_level_resource] = old_resource end - def resource_scope(resource) #:nodoc: - with_scope_level(resource.is_a?(SingletonResource) ? :resource : :resources, resource) do + def resource_scope(kind, resource) #:nodoc: + with_scope_level(kind, resource) do scope(parent_resource.resource_scope) do yield end @@ -1385,10 +1408,12 @@ module ActionDispatch end def nested_options #:nodoc: - {}.tap do |options| - options[:as] = parent_resource.member_name - options[:constraints] = { "#{parent_resource.singular}_id".to_sym => id_constraint } if id_constraint? - end + options = { :as => parent_resource.member_name } + options[:constraints] = { + :"#{parent_resource.singular}_id" => id_constraint + } if id_constraint? + + options end def id_constraint? #:nodoc: @@ -1419,8 +1444,7 @@ module ActionDispatch end def action_path(name, path = nil) #:nodoc: - # Ruby 1.8 can't transform empty strings to symbols - name = name.to_sym if name.is_a?(String) && !name.empty? + name = name.to_sym if name.is_a?(String) path || @scope[:path_names][name] || name.to_s end @@ -1459,22 +1483,17 @@ module ActionDispatch [name_prefix, member_name, prefix] end - candidate = name.select(&:present?).join("_").presence - candidate unless as.nil? && @set.routes.find { |r| r.name == candidate } - end - end - - module Shorthand #:nodoc: - def match(path, *rest) - if rest.empty? && Hash === path - options = path - path, to = options.find { |name, value| name.is_a?(String) } - options.merge!(:to => to).delete(path) - super(path, options) - else - super + if candidate = name.select(&:present?).join("_").presence + # If a name was not explicitly given, we check if it is valid + # and return nil in case it isn't. Otherwise, we pass the invalid name + # forward so the underlying router engine treats it and raises an exception. + if as.nil? + candidate unless @set.routes.find { |r| r.name == candidate } || candidate !~ /\A[_a-z]/i + else + candidate + end + end end - end end def initialize(set) #:nodoc: @@ -1487,7 +1506,6 @@ module ActionDispatch include Redirection include Scoping include Resources - include Shorthand end end end |