diff options
Diffstat (limited to 'actionpack/lib/action_dispatch/routing.rb')
| -rw-r--r-- | actionpack/lib/action_dispatch/routing.rb | 107 |
1 files changed, 37 insertions, 70 deletions
diff --git a/actionpack/lib/action_dispatch/routing.rb b/actionpack/lib/action_dispatch/routing.rb index d55eb8109a..ce03164ca9 100644 --- a/actionpack/lib/action_dispatch/routing.rb +++ b/actionpack/lib/action_dispatch/routing.rb @@ -1,6 +1,7 @@ # encoding: UTF-8 require 'active_support/core_ext/object/to_param' require 'active_support/core_ext/regexp' +require 'active_support/dependencies/autoload' module ActionDispatch # The routing module provides URL rewriting in native Ruby. It's a way to @@ -11,7 +12,7 @@ module ActionDispatch # Think of creating routes as drawing a map for your requests. The map tells # them where to go based on some predefined pattern: # - # AppName::Application.routes.draw do + # Rails.application.routes.draw do # Pattern 1 tells some request to go to one place # Pattern 2 tell them to go to another # ... @@ -69,6 +70,22 @@ module ActionDispatch # <tt>Routing::Mapper::Scoping#namespace</tt>, and # <tt>Routing::Mapper::Scoping#scope</tt>. # + # == Non-resourceful routes + # + # For routes that don't fit the <tt>resources</tt> mold, you can use the HTTP helper + # methods <tt>get</tt>, <tt>post</tt>, <tt>patch</tt>, <tt>put</tt> and <tt>delete</tt>. + # + # get 'post/:id' => 'posts#show' + # post 'post/:id' => 'posts#create_comment' + # + # If your route needs to respond to more than one HTTP method (or all methods) then using the + # <tt>:via</tt> option on <tt>match</tt> is preferable. + # + # match 'post/:id' => 'posts#show', via: [:get, :post] + # + # Now, if you POST to <tt>/posts/:id</tt>, it will route to the <tt>create_comment</tt> action. A GET on the same + # URL will route to the <tt>show</tt> action. + # # == Named routes # # Routes can be named by passing an <tt>:as</tt> option, @@ -78,7 +95,7 @@ module ActionDispatch # Example: # # # In routes.rb - # match '/login' => 'accounts#login', as: 'login' + # get '/login' => 'accounts#login', as: 'login' # # # With render, redirect_to, tests, etc. # redirect_to login_url @@ -104,9 +121,9 @@ module ActionDispatch # # # In routes.rb # controller :blog do - # match 'blog/show' => :list - # match 'blog/delete' => :delete - # match 'blog/edit/:id' => :edit + # get 'blog/show' => :list + # get 'blog/delete' => :delete + # get 'blog/edit/:id' => :edit # end # # # provides named routes for show, delete, and edit @@ -116,7 +133,7 @@ module ActionDispatch # # Routes can generate pretty URLs. For example: # - # match '/articles/:year/:month/:day' => 'articles#find_by_id', constraints: { + # get '/articles/:year/:month/:day' => 'articles#find_by_id', constraints: { # year: /\d{4}/, # month: /\d{1,2}/, # day: /\d{1,2}/ @@ -131,7 +148,7 @@ module ActionDispatch # You can specify a regular expression to define a format for a parameter. # # controller 'geocode' do - # match 'geocode/:postalcode' => :show, constraints: { + # get 'geocode/:postalcode' => :show, constraints: { # postalcode: /\d{5}(-\d{4})?/ # } # @@ -139,13 +156,13 @@ module ActionDispatch # expression modifiers: # # controller 'geocode' do - # match 'geocode/:postalcode' => :show, constraints: { + # get 'geocode/:postalcode' => :show, constraints: { # postalcode: /hx\d\d\s\d[a-z]{2}/i # } # end # # controller 'geocode' do - # match 'geocode/:postalcode' => :show, constraints: { + # get 'geocode/:postalcode' => :show, constraints: { # postalcode: /# Postcode format # \d{5} #Prefix # (-\d{4})? #Suffix @@ -153,73 +170,21 @@ module ActionDispatch # } # end # - # Using the multiline match modifier will raise an +ArgumentError+. + # Using the multiline modifier will raise an +ArgumentError+. # Encoding regular expression modifiers are silently ignored. The # match will always use the default encoding or ASCII. # - # == Default route - # - # Consider the following route, which you will find commented out at the - # bottom of your generated <tt>config/routes.rb</tt>: - # - # match ':controller(/:action(/:id))(.:format)' - # - # This route states that it expects requests to consist of a - # <tt>:controller</tt> followed optionally by an <tt>:action</tt> that in - # turn is followed optionally by an <tt>:id</tt>, which in turn is followed - # optionally by a <tt>:format</tt>. - # - # Suppose you get an incoming request for <tt>/blog/edit/22</tt>, you'll end - # up with: - # - # params = { controller: 'blog', - # action: 'edit', - # id: '22' - # } - # - # By not relying on default routes, you improve the security of your - # application since not all controller actions, which includes actions you - # might add at a later time, are exposed by default. - # - # == HTTP Methods - # - # Using the <tt>:via</tt> option when specifying a route allows you to - # restrict it to a specific HTTP method. Possible values are <tt>:post</tt>, - # <tt>:get</tt>, <tt>:patch</tt>, <tt>:put</tt>, <tt>:delete</tt> and - # <tt>:any</tt>. If your route needs to respond to more than one method you - # can use an array, e.g. <tt>[ :get, :post ]</tt>. The default value is - # <tt>:any</tt> which means that the route will respond to any of the HTTP - # methods. - # - # match 'post/:id' => 'posts#show', via: :get - # match 'post/:id' => 'posts#create_comment', via: :post - # - # Now, if you POST to <tt>/posts/:id</tt>, it will route to the <tt>create_comment</tt> action. A GET on the same - # URL will route to the <tt>show</tt> action. - # - # === HTTP helper methods - # - # An alternative method of specifying which HTTP method a route should respond to is to use the helper - # methods <tt>get</tt>, <tt>post</tt>, <tt>patch</tt>, <tt>put</tt> and <tt>delete</tt>. - # - # get 'post/:id' => 'posts#show' - # post 'post/:id' => 'posts#create_comment' - # - # This syntax is less verbose and the intention is more apparent to someone else reading your code, - # however if your route needs to respond to more than one HTTP method (or all methods) then using the - # <tt>:via</tt> option on <tt>match</tt> is preferable. - # # == External redirects # # You can redirect any path to another path using the redirect helper in your router: # - # match "/stories" => redirect("/posts") + # get "/stories" => redirect("/posts") # # == Unicode character routes # # You can specify unicode character routes in your router: # - # match "こんにちは" => "welcome#index" + # get "こんにちは" => "welcome#index" # # == Routing to Rack Applications # @@ -227,7 +192,7 @@ module ActionDispatch # index action in the PostsController, you can specify any Rack application # as the endpoint for a matcher: # - # match "/application.js" => Sprockets + # get "/application.js" => Sprockets # # == Reloading routes # @@ -282,11 +247,13 @@ module ActionDispatch # Target specific controllers by prefixing the command with <tt>CONTROLLER=x</tt>. # module Routing - autoload :Mapper, 'action_dispatch/routing/mapper' - autoload :RouteSet, 'action_dispatch/routing/route_set' - autoload :RoutesProxy, 'action_dispatch/routing/routes_proxy' - autoload :UrlFor, 'action_dispatch/routing/url_for' - autoload :PolymorphicRoutes, 'action_dispatch/routing/polymorphic_routes' + extend ActiveSupport::Autoload + + autoload :Mapper + autoload :RouteSet + autoload :RoutesProxy + autoload :UrlFor + autoload :PolymorphicRoutes SEPARATORS = %w( / . ? ) #:nodoc: HTTP_METHODS = [:get, :head, :post, :patch, :put, :delete, :options] #:nodoc: |