Module: ActionDispatch::Routing::Mapper::Scoping

Included in:
ActionDispatch::Routing::Mapper
Defined in:
lib/action_dispatch/routing/mapper.rb

Instance Method Summary collapse

Instance Method Details

#constraints(constraints = {}) ⇒ Object 



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# File 'lib/action_dispatch/routing/mapper.rb', line 376

def constraints(constraints = {})
  scope(:constraints => constraints) { yield }
end

#controller(controller, options = {}) ⇒ Object 



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# File 'lib/action_dispatch/routing/mapper.rb', line 364

def controller(controller, options={})
  options[:controller] = controller
  scope(options) { yield }
end

#defaults(defaults = {}) ⇒ Object 



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# File 'lib/action_dispatch/routing/mapper.rb', line 380

def defaults(defaults = {})
  scope(:defaults => defaults) { yield }
end

#initialize(*args) ⇒ Object

:nodoc:



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# File 'lib/action_dispatch/routing/mapper.rb', line 318

def initialize(*args) #:nodoc:
  @scope = {}
  super
end

#namespace(path, options = {}) ⇒ Object 



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# File 'lib/action_dispatch/routing/mapper.rb', line 369

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

#scope(*args) ⇒ Object 



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# File 'lib/action_dispatch/routing/mapper.rb', line 323

def scope(*args)
  options = args.extract_options!
  options = options.dup

  if name_prefix = options.delete(:name_prefix)
    options[:as] ||= name_prefix
    ActiveSupport::Deprecation.warn ":name_prefix was deprecated in the new router syntax. Use :as instead.", caller
  end

  options[:path] = args.first if args.first.is_a?(String)
  recover = {}

  options[:constraints] ||= {}
  unless options[:constraints].is_a?(Hash)
    block, options[:constraints] = options[:constraints], {}
  end

  scope_options.each do |option|
    if value = options.delete(option)
      recover[option] = @scope[option]
      @scope[option]  = send("merge_#{option}_scope", @scope[option], value)
    end
  end

  recover[:block] = @scope[:blocks]
  @scope[:blocks] = merge_blocks_scope(@scope[:blocks], block)

  recover[:options] = @scope[:options]
  @scope[:options]  = merge_options_scope(@scope[:options], options)

  yield
  self
ensure
  scope_options.each do |option|
    @scope[option] = recover[option] if recover.has_key?(option)
  end

  @scope[:options] = recover[:options]
  @scope[:blocks]  = recover[:block]
end