Class: ActionDispatch::Routing::RouteSet

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

Overview

:nodoc:

Defined Under Namespace

Modules: MountedHelpers Classes: Dispatcher, Generator, NamedRouteCollection

Constant Summary collapse

PARAMETERS_KEY = 
'action_dispatch.request.path_parameters'
RESERVED_OPTIONS = 
[:host, :protocol, :port, :subdomain, :domain, :tld_length,
:trailing_slash, :anchor, :params, :only_path, :script_name]

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.



230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
 
# File 'lib/action_dispatch/routing/route_set.rb', line 230

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

  self.request_class = request_class
  @valid_conditions = {}

  request_class.public_instance_methods.each { |m|
    @valid_conditions[m.to_sym] = true
  }
  @valid_conditions[:controller] = true
  @valid_conditions[:action] = true

  self.valid_conditions.delete(:id)

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

  @set    = Journey::Routes.new
  @router = Journey::Router.new(@set, {
    :parameters_key => PARAMETERS_KEY,
    :request_class  => request_class})
  @formatter = Journey::Formatter.new @set
end

Instance Attribute Details

#default_scope ⇒ Object

Returns the value of attribute default_scope.



220
221
222
 
# File 'lib/action_dispatch/routing/route_set.rb', line 220

def default_scope
  @default_scope
end

#default_url_options ⇒ Object

Returns the value of attribute default_url_options.



222
223
224
 
# File 'lib/action_dispatch/routing/route_set.rb', line 222

def default_url_options
  @default_url_options
end

#disable_clear_and_finalize ⇒ Object

Returns the value of attribute disable_clear_and_finalize.



221
222
223
 
# File 'lib/action_dispatch/routing/route_set.rb', line 221

def disable_clear_and_finalize
  @disable_clear_and_finalize
end

#formatter ⇒ Object

Returns the value of attribute formatter.



220
221
222
 
# File 'lib/action_dispatch/routing/route_set.rb', line 220

def formatter
  @formatter
end

#named_routes ⇒ Object

Returns the value of attribute named_routes.



220
221
222
 
# File 'lib/action_dispatch/routing/route_set.rb', line 220

def named_routes
  @named_routes
end

#request_class ⇒ Object

Returns the value of attribute request_class.



222
223
224
 
# File 'lib/action_dispatch/routing/route_set.rb', line 222

def request_class
  @request_class
end

#resources_path_names ⇒ Object

Returns the value of attribute resources_path_names.



221
222
223
 
# File 'lib/action_dispatch/routing/route_set.rb', line 221

def resources_path_names
  @resources_path_names
end

#router ⇒ Object

Returns the value of attribute router.



220
221
222
 
# File 'lib/action_dispatch/routing/route_set.rb', line 220

def router
  @router
end

#set ⇒ Object Also known as: routes

Returns the value of attribute set.



220
221
222
 
# File 'lib/action_dispatch/routing/route_set.rb', line 220

def set
  @set
end

#valid_conditions ⇒ Object

Returns the value of attribute valid_conditions.



222
223
224
 
# File 'lib/action_dispatch/routing/route_set.rb', line 222

def valid_conditions
  @valid_conditions
end

Class Method Details

.default_resources_path_names ⇒ Object 



226
227
228
 
# File 'lib/action_dispatch/routing/route_set.rb', line 226

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

Instance Method Details

#_generate_prefix(options = {}) ⇒ Object 



568
569
570
 
# File 'lib/action_dispatch/routing/route_set.rb', line 568

def _generate_prefix(options = {})
  nil
end

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

Raises:

  • (ArgumentError) 


363
364
365
366
367
368
369
370
371
372
 
# File 'lib/action_dispatch/routing/route_set.rb', line 363

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)

  path = build_path(conditions.delete(:path_info), requirements, SEPARATORS, anchor)
  conditions = build_conditions(conditions, valid_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 



265
266
267
 
# File 'lib/action_dispatch/routing/route_set.rb', line 265

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

#call(env) ⇒ Object 



599
600
601
602
 
# File 'lib/action_dispatch/routing/route_set.rb', line 599

def call(env)
  finalize!
  @router.call(env)
end

#clear! ⇒ Object 



292
293
294
295
296
297
298
299
 
# File 'lib/action_dispatch/routing/route_set.rb', line 292

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

#define_mounted_helper(name) ⇒ Object 



313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
 
# File 'lib/action_dispatch/routing/route_set.rb', line 313

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

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

  MountedHelpers.class_eval <<-RUBY
    def #{name}
      @#{name} ||= _#{name}
    end
  RUBY
end

#draw(&block) ⇒ Object 



258
259
260
261
262
263
 
# File 'lib/action_dispatch/routing/route_set.rb', line 258

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

#empty? ⇒ Boolean

Returns:

  • (Boolean) 


359
360
361
 
# File 'lib/action_dispatch/routing/route_set.rb', line 359

def empty?
  routes.empty?
end

#eval_block(block) ⇒ Object 



273
274
275
276
277
278
279
280
281
282
283
284
 
# File 'lib/action_dispatch/routing/route_set.rb', line 273

def eval_block(block)
  if block.arity == 1
    raise "You are using the old router DSL which has been removed in Rails 3.1. " <<
      "Please check how to update your routes file at: http://www.engineyard.com/blog/2010/the-lowdown-on-routes-in-rails-3/"
  end
  mapper = Mapper.new(self)
  if default_scope
    mapper.with_default_scope(default_scope, &block)
  else
    mapper.instance_exec(&block)
  end
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.



553
554
555
 
# File 'lib/action_dispatch/routing/route_set.rb', line 553

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

#finalize! ⇒ Object 



286
287
288
289
290
 
# File 'lib/action_dispatch/routing/route_set.rb', line 286

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

#generate(options, recall = {}, extras = false) ⇒ Object 



561
562
563
 
# File 'lib/action_dispatch/routing/route_set.rb', line 561

def generate(options, recall = {}, extras = false)
  Generator.new(options, recall, self, extras).generate
end

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



557
558
559
 
# File 'lib/action_dispatch/routing/route_set.rb', line 557

def generate_extras(options, recall={})
  generate(options, recall, true)
end

#install_helpers(destinations = [ActionController::Base, ActionView::Base], regenerate_code = false) ⇒ Object 



301
302
303
304
 
# File 'lib/action_dispatch/routing/route_set.rb', line 301

def install_helpers(destinations = [ActionController::Base, ActionView::Base], regenerate_code = false)
  Array(destinations).each { |d| d.module_eval { include Helpers } }
  named_routes.install(destinations, regenerate_code)
end

#mounted_helpers ⇒ Object 



309
310
311
 
# File 'lib/action_dispatch/routing/route_set.rb', line 309

def mounted_helpers
  MountedHelpers
end

#prepend(&block) ⇒ Object 



269
270
271
 
# File 'lib/action_dispatch/routing/route_set.rb', line 269

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

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

Raises:



604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
 
# File 'lib/action_dispatch/routing/route_set.rb', line 604

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

  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, matches, params|
    params.each do |key, value|
      if value.is_a?(String)
        value = value.dup.force_encoding(Encoding::BINARY) if value.encoding_aware?
        params[key] = URI.parser.unescape(value)
      end
    end

    dispatcher = route.app
    while dispatcher.is_a?(Mapper::Constraints) && dispatcher.matches?(env) do
      dispatcher = dispatcher.app
    end

    if dispatcher.is_a?(Dispatcher) && dispatcher.controller(params, false)
      dispatcher.prepare_params!(params)
      return params
    end
  end

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

#url_for(options) ⇒ Object 



572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
 
# File 'lib/action_dispatch/routing/route_set.rb', line 572

def url_for(options)
  finalize!
  options = (options || {}).reverse_merge!(default_url_options)

  handle_positional_args(options)

  user, password = extract_authentication(options)
  path_segments  = options.delete(:_path_segments)
  script_name    = options.delete(:script_name)

  path = (script_name.blank? ? _generate_prefix(options) : script_name.chomp('/')).to_s

  path_options = options.except(*RESERVED_OPTIONS)
  path_options = yield(path_options) if block_given?

  path_addition, params = generate(path_options, path_segments || {})
  path << path_addition
  params.merge!(options[:params] || {})

  ActionDispatch::Http::URL.url_for(options.merge!({
    :path => path,
    :params => params,
    :user => user,
    :password => password
  }))
end

#url_helpers ⇒ Object 



330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
 
# File 'lib/action_dispatch/routing/route_set.rb', line 330

def url_helpers
  @url_helpers ||= begin
    routes = self

    helpers = Module.new do
      extend ActiveSupport::Concern
      include UrlFor

      @_routes = routes
      class << self
        delegate :url_for, :to => '@_routes'
      end
      extend routes.named_routes.module

      # ROUTES TODO: install_helpers isn't great... can we make a module with the stuff that
      # we can include?
      # Yes plz - JP
      included do
        routes.install_helpers(self)
        singleton_class.send(:redefine_method, :_routes) { routes }
      end

      define_method(:_routes) { @_routes || routes }
    end

    helpers
  end
end