Class: ActionDispatch::Routing::RouteSet

Inherits:
Object
  • Object
show all
Defined in:
lib/action_dispatch/routing/route_set.rb

Overview

:stopdoc:

Defined Under Namespace

Modules: MountedHelpers Classes: Dispatcher, Generator, NamedRouteCollection

Constant Summary collapse

PATH =

strategy for building urls to send to the client

->(options) { ActionDispatch::Http::URL.path_for(options) }
FULL = 
->(options) { ActionDispatch::Http::URL.full_url_for(options) }
UNKNOWN = 
->(options) { ActionDispatch::Http::URL.url_for(options) }
LEGACY = 
->(options) {
  if options.key?(:only_path)
    if options[:only_path]
      ActiveSupport::Deprecation.warn(<<-MSG.squish)
        You are calling a `*_path` helper with the `only_path` option
        explicitly set to `true`. This option will stop working on
        path helpers in Rails 5. Simply remove the `only_path: true`
        argument from your call as it is redundant when applied to a
        path helper.
      MSG

      PATH.call(options)
    else
      ActiveSupport::Deprecation.warn(<<-MSG.squish)
        You are calling a `*_path` helper with the `only_path` option
        explicitly set to `false`. This option will stop working on
        path helpers in Rails 5. Use the corresponding `*_url` helper
        instead.
      MSG

      FULL.call(options)
    end
  else
    PATH.call(options)
  end
}
RESERVED_OPTIONS = 
[:host, :protocol, :port, :subdomain, :domain, :tld_length,
:trailing_slash, :anchor, :params, :only_path, :script_name,
:original_script_name, :relative_url_root]

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(request_class = ActionDispatch::Request) ⇒ RouteSet

Returns a new instance of RouteSet.



392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
 
# File 'lib/action_dispatch/routing/route_set.rb', line 392

def initialize(request_class = ActionDispatch::Request)
  self.named_routes = NamedRouteCollection.new
  self.resources_path_names = self.class.default_resources_path_names
  self.default_url_options = {}
  self.request_class = request_class

  @append                     = []
  @prepend                    = []
  @disable_clear_and_finalize = false
  @finalized                  = false

  @set    = Journey::Routes.new
  @router = Journey::Router.new @set
  @formatter = Journey::Formatter.new @set
end

Instance Attribute Details

#default_scope ⇒ Object

Returns the value of attribute default_scope.



382
383
384
 
# File 'lib/action_dispatch/routing/route_set.rb', line 382

def default_scope
  @default_scope
end

#default_url_options ⇒ Object

Returns the value of attribute default_url_options.



384
385
386
 
# File 'lib/action_dispatch/routing/route_set.rb', line 384

def default_url_options
  @default_url_options
end

#disable_clear_and_finalize ⇒ Object

Returns the value of attribute disable_clear_and_finalize.



383
384
385
 
# File 'lib/action_dispatch/routing/route_set.rb', line 383

def disable_clear_and_finalize
  @disable_clear_and_finalize
end

#formatter ⇒ Object

Returns the value of attribute formatter.



382
383
384
 
# File 'lib/action_dispatch/routing/route_set.rb', line 382

def formatter
  @formatter
end

#named_routes ⇒ Object

Returns the value of attribute named_routes.



382
383
384
 
# File 'lib/action_dispatch/routing/route_set.rb', line 382

def named_routes
  @named_routes
end

#request_class ⇒ Object

Returns the value of attribute request_class.



384
385
386
 
# File 'lib/action_dispatch/routing/route_set.rb', line 384

def request_class
  @request_class
end

#resources_path_names ⇒ Object

Returns the value of attribute resources_path_names.



383
384
385
 
# File 'lib/action_dispatch/routing/route_set.rb', line 383

def resources_path_names
  @resources_path_names
end

#router ⇒ Object

Returns the value of attribute router.



382
383
384
 
# File 'lib/action_dispatch/routing/route_set.rb', line 382

def router
  @router
end

#set ⇒ Object Also known as: routes

Returns the value of attribute set.



382
383
384
 
# File 'lib/action_dispatch/routing/route_set.rb', line 382

def set
  @set
end

Class Method Details

.default_resources_path_names ⇒ Object 



388
389
390
 
# File 'lib/action_dispatch/routing/route_set.rb', line 388

def self.default_resources_path_names
  { :new => 'new', :edit => 'edit' }
end

Instance Method Details

#add_route(app, conditions = {}, requirements = {}, defaults = {}, name = nil, anchor = true) ⇒ Object

Raises:

  • (ArgumentError) 


545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
 
# File 'lib/action_dispatch/routing/route_set.rb', line 545

def add_route(app, conditions = {}, requirements = {}, defaults = {}, name = nil, anchor = true)
  raise ArgumentError, "Invalid route name: '#{name}'" unless name.blank? || name.to_s.match(/^[_a-z]\w*$/i)

  if name && named_routes[name]
    raise ArgumentError, "Invalid route name, already in use: '#{name}' \n" \
      "You may have defined two routes with the same name using the `:as` option, or " \
      "you may be overriding a route already defined by a resource with the same naming. " \
      "For the latter, you can restrict the routes created with `resources` as explained here: \n" \
      "http://guides.rubyonrails.org/routing.html#restricting-the-routes-created"
  end

  path = conditions.delete :path_info
  ast  = conditions.delete :parsed_path_info
  path = build_path(path, ast, requirements, anchor)
  conditions = build_conditions(conditions, path.names.map { |x| x.to_sym })

  route = @set.add_route(app, path, conditions, defaults, name)
  named_routes[name] = route if name
  route
end

#append(&block) ⇒ Object 



415
416
417
 
# File 'lib/action_dispatch/routing/route_set.rb', line 415

def append(&block)
  @append << block
end

#call(env) ⇒ Object 



814
815
816
817
818
 
# File 'lib/action_dispatch/routing/route_set.rb', line 814

def call(env)
  req = request_class.new(env)
  req.path_info = Journey::Router::Utils.normalize_path(req.path_info)
  @router.serve(req)
end

#clear! ⇒ Object 



443
444
445
446
447
448
449
 
# File 'lib/action_dispatch/routing/route_set.rb', line 443

def clear!
  @finalized = false
  named_routes.clear
  set.clear
  formatter.clear
  @prepend.each { |blk| eval_block(blk) }
end

#define_mounted_helper(name) ⇒ Object 



468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
 
# File 'lib/action_dispatch/routing/route_set.rb', line 468

def define_mounted_helper(name)
  return if MountedHelpers.method_defined?(name)

  routes = self
  helpers = routes.url_helpers

  MountedHelpers.class_eval do
    define_method "_#{name}" do
      RoutesProxy.new(routes, _routes_context, helpers)
    end
  end

  MountedHelpers.class_eval(<<-RUBY, __FILE__, __LINE__ + 1)
    def #{name}
      @_#{name} ||= _#{name}
    end
  RUBY
end

#dispatcher(defaults) ⇒ Object 



451
452
453
 
# File 'lib/action_dispatch/routing/route_set.rb', line 451

def dispatcher(defaults)
  Routing::RouteSet::Dispatcher.new(defaults)
end

#draw(&block) ⇒ Object 



408
409
410
411
412
413
 
# File 'lib/action_dispatch/routing/route_set.rb', line 408

def draw(&block)
  clear! unless @disable_clear_and_finalize
  eval_block(block)
  finalize! unless @disable_clear_and_finalize
  nil
end

#empty? ⇒ Boolean

Returns:

  • (Boolean) 


541
542
543
 
# File 'lib/action_dispatch/routing/route_set.rb', line 541

def empty?
  routes.empty?
end

#extra_keys(options, recall = {}) ⇒ Object

Generate the path indicated by the arguments, and return an array of the keys that were not used to generate it.



741
742
743
 
# File 'lib/action_dispatch/routing/route_set.rb', line 741

def extra_keys(options, recall={})
  generate_extras(options, recall).last
end

#finalize! ⇒ Object 



437
438
439
440
441
 
# File 'lib/action_dispatch/routing/route_set.rb', line 437

def finalize!
  return if @finalized
  @append.each { |blk| eval_block(blk) }
  @finalized = true
end

#find_relative_url_root(options) ⇒ Object 



768
769
770
 
# File 'lib/action_dispatch/routing/route_set.rb', line 768

def find_relative_url_root(options)
  options.delete(:relative_url_root) || relative_url_root
end

#find_script_name(options) ⇒ Object 



764
765
766
 
# File 'lib/action_dispatch/routing/route_set.rb', line 764

def find_script_name(options)
  options.delete(:script_name) || find_relative_url_root(options) || ''
end

#generate_extras(options, recall = {}) ⇒ Object 



745
746
747
748
749
 
# File 'lib/action_dispatch/routing/route_set.rb', line 745

def generate_extras(options, recall={})
  route_key = options.delete :use_route
  path, params = generate(route_key, options, recall)
  return path, params.keys
end

#mounted_helpers ⇒ Object

Contains all the mounted helpers across different engines and the ‘main_app` helper for the application. You can include this in your classes if you want to access routes for other engines.



464
465
466
 
# File 'lib/action_dispatch/routing/route_set.rb', line 464

def mounted_helpers
  MountedHelpers
end

#optimize_routes_generation? ⇒ Boolean

Returns:

  • (Boolean) 


760
761
762
 
# File 'lib/action_dispatch/routing/route_set.rb', line 760

def optimize_routes_generation?
  default_url_options.empty?
end

#path_for(options, route_name = nil) ⇒ Object 



772
773
774
 
# File 'lib/action_dispatch/routing/route_set.rb', line 772

def path_for(options, route_name = nil)
  url_for(options, route_name, PATH)
end

#prepend(&block) ⇒ Object 



419
420
421
 
# File 'lib/action_dispatch/routing/route_set.rb', line 419

def prepend(&block)
  @prepend << block
end

#recognize_path(path, environment = {}) ⇒ Object

Raises:



820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
 
# File 'lib/action_dispatch/routing/route_set.rb', line 820

def recognize_path(path, environment = {})
  method = (environment[:method] || "GET").to_s.upcase
  path = Journey::Router::Utils.normalize_path(path) unless path =~ %r{://}
  extras = environment[:extras] || {}

  begin
    env = Rack::MockRequest.env_for(path, {:method => method})
  rescue URI::InvalidURIError => e
    raise ActionController::RoutingError, e.message
  end

  req = request_class.new(env)
  @router.recognize(req) do |route, params|
    params.merge!(extras)
    params.each do |key, value|
      if value.is_a?(String)
        value = value.dup.force_encoding(Encoding::BINARY)
        params[key] = URI.parser.unescape(value)
      end
    end
    old_params = req.path_parameters
    req.path_parameters = old_params.merge params
    app = route.app
    if app.matches?(req) && app.dispatcher?
      dispatcher = app.app

      if dispatcher.controller(params, false)
        dispatcher.prepare_params!(params)
        return params
      else
        raise ActionController::RoutingError, "A route matches #{path.inspect}, but references missing controller: #{params[:controller].camelize}Controller"
      end
    end
  end

  raise ActionController::RoutingError, "No route matches #{path.inspect}"
end

#url_for(options, route_name = nil, url_strategy = UNKNOWN) ⇒ Object

The options argument must be a hash whose keys are symbols.



777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
 
# File 'lib/action_dispatch/routing/route_set.rb', line 777

def url_for(options, route_name = nil, url_strategy = UNKNOWN)
  options = default_url_options.merge options

  user = password = nil

  if options[:user] && options[:password]
    user     = options.delete :user
    password = options.delete :password
  end

  recall  = options.delete(:_recall) { {} }

  original_script_name = options.delete(:original_script_name)
  script_name = find_script_name options

  if original_script_name
    script_name = original_script_name + script_name
  end

  path_options = options.dup
  RESERVED_OPTIONS.each { |ro| path_options.delete ro }

  path, params = generate(route_name, path_options, recall)

  if options.key? :params
    params.merge! options[:params]
  end

  options[:path]        = path
  options[:script_name] = script_name
  options[:params]      = params
  options[:user]        = user
  options[:password]    = password

  url_strategy.call options
end

#url_helpers(supports_path = true) ⇒ Object 



487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
 
# File 'lib/action_dispatch/routing/route_set.rb', line 487

def url_helpers(supports_path = true)
  routes = self

  Module.new do
    extend ActiveSupport::Concern
    include UrlFor

    # Define url_for in the singleton level so one can do:
    # Rails.application.routes.url_helpers.url_for(args)
    @_routes = routes
    class << self
      delegate :url_for, :optimize_routes_generation?, to: '@_routes'
      attr_reader :_routes
      def url_options; {}; end
    end

    url_helpers = routes.named_routes.url_helpers_module

    # Make named_routes available in the module singleton
    # as well, so one can do:
    # Rails.application.routes.url_helpers.posts_path
    extend url_helpers

    # Any class that includes this module will get all
    # named routes...
    include url_helpers

    if supports_path
      path_helpers = routes.named_routes.path_helpers_module
    else
      path_helpers = routes.named_routes.path_helpers_module(true)
    end

    include path_helpers
    extend path_helpers

    # plus a singleton class method called _routes ...
    included do
      singleton_class.send(:redefine_method, :_routes) { routes }
    end

    # And an instance method _routes. Note that
    # UrlFor (included in this module) add extra
    # conveniences for working with @_routes.
    define_method(:_routes) { @_routes || routes }

    define_method(:_generate_paths_by_default) do
      supports_path
    end

    private :_generate_paths_by_default
  end
end