diff options
Diffstat (limited to 'actionpack/lib/action_dispatch')
| -rw-r--r-- | actionpack/lib/action_dispatch/routing/mapper.rb | 221 |
1 files changed, 212 insertions, 9 deletions
diff --git a/actionpack/lib/action_dispatch/routing/mapper.rb b/actionpack/lib/action_dispatch/routing/mapper.rb index 1bbb4f1f92..63a22ad105 100644 --- a/actionpack/lib/action_dispatch/routing/mapper.rb +++ b/actionpack/lib/action_dispatch/routing/mapper.rb @@ -263,6 +263,23 @@ module ActionDispatch self end + # Mount a Rack-based application to be used within the application. + # + # mount SomeRackApp, :at => "some_route" + # + # Alternatively: + # + # mount(SomeRackApp => "some_route") + # + # All mounted applications come with routing helpers to access them. + # These are named after the class specified, so for the above example + # the helper is either +some_rack_app_path+ or +some_rack_app_url+. + # To customize this helper's name, use the +:as+ option: + # + # mount(SomeRackApp => "some_route", :as => "exciting") + # + # This will generate the +exciting_path+ and +exciting_url+ helpers + # which can be used to navigate to this mounted app. def mount(app, options = nil) if options path = options.delete(:at) @@ -324,21 +341,41 @@ module ActionDispatch module HttpHelpers # Define a route that only recognizes HTTP GET. + # For supported arguments, see +match+. + # + # Example: + # + # get 'bacon', :to => 'food#bacon' def get(*args, &block) map_method(:get, *args, &block) end # Define a route that only recognizes HTTP POST. + # For supported arguments, see +match+. + # + # Example: + # + # post 'bacon', :to => 'food#bacon' def post(*args, &block) map_method(:post, *args, &block) end # Define a route that only recognizes HTTP PUT. + # For supported arguments, see +match+. + # + # Example: + # + # put 'bacon', :to => 'food#bacon' def put(*args, &block) map_method(:put, *args, &block) end - # Define a route that only recognizes HTTP DELETE. + # Define a route that only recognizes HTTP PUT. + # For supported arguments, see +match+. + # + # Example: + # + # delete 'broccoli', :to => 'food#broccoli' def delete(*args, &block) map_method(:delete, *args, &block) end @@ -407,22 +444,22 @@ module ActionDispatch # PUT /admin/photos/1 # DELETE /admin/photos/1 # - # If you want to route /photos (without the prefix /admin) to + # If you want to route /posts (without the prefix /admin) to # Admin::PostsController, you could use # # scope :module => "admin" do - # resources :posts, :comments + # resources :posts # end # # or, for a single case # # resources :posts, :module => "admin" # - # If you want to route /admin/photos to PostsController + # If you want to route /admin/posts to PostsController # (without the Admin:: module prefix), you could use # # scope "/admin" do - # resources :posts, :comments + # resources :posts # end # # or, for a single case @@ -448,10 +485,51 @@ module ActionDispatch # Used to route <tt>/photos</tt> (without the prefix <tt>/admin</tt>) # to Admin::PostsController: + # === Supported options + # [:module] + # If you want to route /posts (without the prefix /admin) to + # Admin::PostsController, you could use # - # scope :module => "admin" do - # resources :posts - # end + # scope :module => "admin" do + # resources :posts + # end + # + # [:path] + # If you want to prefix the route, you could use + # + # scope :path => "/admin" do + # resources :posts + # end + # + # This will prefix all of the +posts+ resource's requests with '/admin' + # + # [:as] + # Prefixes the routing helpers in this scope with the specified label. + # + # scope :as => "sekret" do + # resources :posts + # end + # + # Helpers such as +posts_path+ will now be +sekret_posts_path+ + # + # [:shallow_path] + # + # Prefixes nested shallow routes with the specified path. + # + # scope :shallow_path => "sekret" do + # resources :posts do + # resources :comments, :shallow => true + # end + # + # The +comments+ resource here will have the following routes generated for it: + # + # post_comments GET /sekret/posts/:post_id/comments(.:format) + # post_comments POST /sekret/posts/:post_id/comments(.:format) + # new_post_comment GET /sekret/posts/:post_id/comments/new(.:format) + # edit_comment GET /sekret/comments/:id/edit(.:format) + # comment GET /sekret/comments/:id(.:format) + # comment PUT /sekret/comments/:id(.:format) + # comment DELETE /sekret/comments/:id(.:format) def scope(*args) options = args.extract_options! options = options.dup @@ -488,22 +566,139 @@ module ActionDispatch @scope[:blocks] = recover[:block] end + # Scopes routes to a specific controller + # + # Example: + # controller "food" do + # match "bacon", :action => "bacon" + # end def controller(controller, options={}) options[:controller] = controller scope(options) { yield } end + # Scopes routes to a specific namespace. For example: + # + # namespace :admin do + # resources :posts + # end + # + # This generates the following routes: + # + # admin_posts GET /admin/posts(.:format) {:action=>"index", :controller=>"admin/posts"} + # admin_posts POST /admin/posts(.:format) {:action=>"create", :controller=>"admin/posts"} + # new_admin_post GET /admin/posts/new(.:format) {:action=>"new", :controller=>"admin/posts"} + # edit_admin_post GET /admin/posts/:id/edit(.:format) {:action=>"edit", :controller=>"admin/posts"} + # admin_post GET /admin/posts/:id(.:format) {:action=>"show", :controller=>"admin/posts"} + # admin_post PUT /admin/posts/:id(.:format) {:action=>"update", :controller=>"admin/posts"} + # admin_post DELETE /admin/posts/:id(.:format) {:action=>"destroy", :controller=>"admin/posts"} + # === Supported options + # + # The +:path+, +:as+, +:module+, +:shallow_path+ and +:shallow_prefix+ all default to the name of the namespace. + # + # [:path] + # The path prefix for the routes. + # + # namespace :admin, :path => "sekret" do + # resources :posts + # end + # + # All routes for the above +resources+ will be accessible through +/sekret/posts+, rather than +/admin/posts+ + # + # [:module] + # The namespace for the controllers. + # + # namespace :admin, :module => "sekret" do + # resources :posts + # end + # + # The +PostsController+ here should go in the +Sekret+ namespace and so it should be defined like this: + # + # class Sekret::PostsController < ApplicationController + # # code go here + # end + # + # [:as] + # Changes the name used in routing helpers for this namespace. + # + # namespace :admin, :as => "sekret" do + # resources :posts + # end + # + # Routing helpers such as +admin_posts_path+ will now be +sekret_posts_path+. + # + # [:shallow_path] + # See the +scope+ method. def namespace(path, options = {}) path = path.to_s options = { :path => path, :as => path, :module => path, :shallow_path => path, :shallow_prefix => path }.merge!(options) scope(options) { yield } end - + + # === Parameter Restriction + # Allows you to constrain the nested routes based on a set of rules. + # For instance, in order to change the routes to allow for a dot character in the +id+ parameter: + # + # constraints(:id => /\d+\.\d+) do + # resources :posts + # end + # + # Now routes such as +/posts/1+ will no longer be valid, but +/posts/1.1+ will be. + # The +id+ parameter must match the constraint passed in for this example. + # + # You may use this to also resrict other parameters: + # + # resources :posts do + # constraints(:post_id => /\d+\.\d+) do + # resources :comments + # end + # + # === Restricting based on IP + # + # Routes can also be constrained to an IP or a certain range of IP addresses: + # + # constraints(:ip => /192.168.\d+.\d+/) do + # resources :posts + # end + # + # Any user connecting from the 192.168.* range will be able to see this resource, + # where as any user connecting outside of this range will be told there is no such route. + # + # === Dynamic request matching + # + # Requests to routes can be constrained based on specific critera: + # + # constraints(lambda { |req| req.env["HTTP_USER_AGENT"] =~ /iPhone/ }) do + # resources :iphones + # end + # + # You are able to move this logic out into a class if it is too complex for routes. + # This class must have a +matches?+ method defined on it which either returns +true+ + # if the user should be given access to that route, or +false+ if the user should not. + # + # class Iphone + # def self.matches(request) + # request.env["HTTP_USER_AGENT"] =~ /iPhone/ + # end + # end + # + # An expected place for this code would be +lib/constraints+. + # + # This class is then used like this: + # + # constraints(Iphone) do + # resources :iphones + # end def constraints(constraints = {}) scope(:constraints => constraints) { yield } end + # Allows you to set default parameters for a route, such as this: + # defaults :id => 'home' do + # match 'scoped_pages/(:id)', :to => 'pages#show' + # end + # Using this, the +:id+ parameter here will default to 'home'. def defaults(defaults = {}) scope(:defaults => defaults) { yield } end @@ -771,6 +966,14 @@ module ActionDispatch # GET /photos/:id/edit # PUT /photos/:id # DELETE /photos/:id + # === Supported options + # [:path_names] + # Allows you to change the paths of the seven default actions. + # Paths not specified are not changed. + # + # resources :posts, :path_names => { :new => "brand_new" } + # + # The above example will now change /posts/new to /posts/brand_new def resources(*resources, &block) options = resources.extract_options! |