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-rw-r--r--actionpack/lib/action_dispatch/routing/mapper.rb231
1 files changed, 125 insertions, 106 deletions
diff --git a/actionpack/lib/action_dispatch/routing/mapper.rb b/actionpack/lib/action_dispatch/routing/mapper.rb
index 64352d5742..acab6ba9ca 100644
--- a/actionpack/lib/action_dispatch/routing/mapper.rb
+++ b/actionpack/lib/action_dispatch/routing/mapper.rb
@@ -16,7 +16,10 @@ module ActionDispatch
class Constraints < Endpoint #:nodoc:
attr_reader :app, :constraints
- def initialize(app, constraints, dispatcher_p)
+ SERVE = ->(app, req) { app.serve req }
+ CALL = ->(app, req) { app.call req.env }
+
+ def initialize(app, constraints, strategy)
# Unwrap Constraints objects. I don't actually think it's possible
# to pass a Constraints object to this constructor, but there were
# multiple places that kept testing children of this object. I
@@ -26,12 +29,12 @@ module ActionDispatch
app = app.app
end
- @dispatcher = dispatcher_p
+ @strategy = strategy
@app, @constraints, = app, constraints
end
- def dispatcher?; @dispatcher; end
+ def dispatcher?; @strategy == SERVE; end
def matches?(req)
@constraints.all? do |constraint|
@@ -43,11 +46,7 @@ module ActionDispatch
def serve(req)
return [ 404, {'X-Cascade' => 'pass'}, [] ] unless matches?(req)
- if dispatcher?
- @app.serve req
- else
- @app.call req.env
- end
+ @strategy.call @app, req
end
private
@@ -71,7 +70,7 @@ module ActionDispatch
options.delete :shallow_prefix
options.delete :shallow
- defaults = (scope[:defaults] || {}).merge options.delete(:defaults) || {}
+ defaults = (scope[:defaults] || {}).dup
new scope, set, path, defaults, as, options
end
@@ -241,11 +240,11 @@ module ActionDispatch
def app(blocks)
if to.respond_to?(:call)
- Constraints.new(to, blocks, false)
+ Constraints.new(to, blocks, Constraints::CALL)
elsif blocks.any?
- Constraints.new(dispatcher(defaults), blocks, true)
+ Constraints.new(dispatcher(defaults.key?(:controller)), blocks, Constraints::SERVE)
else
- dispatcher(defaults)
+ dispatcher(defaults.key?(:controller))
end
end
@@ -335,8 +334,8 @@ module ActionDispatch
parser.parse path
end
- def dispatcher(defaults)
- @set.dispatcher defaults
+ def dispatcher(raise_on_name_error)
+ @set.dispatcher raise_on_name_error
end
end
@@ -448,10 +447,10 @@ module ActionDispatch
# resources :user, param: :name
#
# You can override <tt>ActiveRecord::Base#to_param</tt> of a related
- # model to constructe an URL.
+ # model to construct an URL:
#
# class User < ActiveRecord::Base
- # def to_param # overridden
+ # def to_param
# name
# end
# end
@@ -685,7 +684,11 @@ module ActionDispatch
def map_method(method, args, &block)
options = args.extract_options!
options[:via] = method
- match(*args, options, &block)
+ if options.key?(:defaults)
+ defaults(options.delete(:defaults)) { match(*args, options, &block) }
+ else
+ match(*args, options, &block)
+ end
self
end
end
@@ -788,8 +791,8 @@ module ActionDispatch
end
if options[:constraints].is_a?(Hash)
- defaults = options[:constraints].select do
- |k, v| URL_OPTIONS.include?(k) && (v.is_a?(String) || v.is_a?(Fixnum))
+ defaults = options[:constraints].select do |k, v|
+ URL_OPTIONS.include?(k) && (v.is_a?(String) || v.is_a?(Fixnum))
end
(options[:defaults] ||= {}).reverse_merge!(defaults)
@@ -823,9 +826,11 @@ module ActionDispatch
# controller "food" do
# match "bacon", action: :bacon, via: :get
# end
- def controller(controller, options={})
- options[:controller] = controller
- scope(options) { yield }
+ def controller(controller)
+ @scope = @scope.new(controller: controller)
+ yield
+ ensure
+ @scope = @scope.parent
end
# Scopes routes to a specific namespace. For example:
@@ -871,13 +876,14 @@ module ActionDispatch
defaults = {
module: path,
- path: options.fetch(:path, path),
as: options.fetch(:as, path),
shallow_path: options.fetch(:path, path),
shallow_prefix: options.fetch(:as, path)
}
- scope(defaults.merge!(options)) { yield }
+ path_scope(options.delete(:path) { path }) do
+ scope(defaults.merge!(options)) { yield }
+ end
end
# === Parameter Restriction
@@ -945,7 +951,10 @@ module ActionDispatch
# end
# Using this, the +:id+ parameter here will default to 'home'.
def defaults(defaults = {})
- scope(:defaults => defaults) { yield }
+ @scope = @scope.new(defaults: merge_defaults_scope(@scope[:defaults], defaults))
+ yield
+ ensure
+ @scope = @scope.parent
end
private
@@ -1057,14 +1066,14 @@ module ActionDispatch
class Resource #:nodoc:
attr_reader :controller, :path, :options, :param
- def initialize(entities, api_only = false, options = {})
+ def initialize(entities, api_only, shallow, options = {})
@name = entities.to_s
@path = (options[:path] || @name).to_s
@controller = (options[:controller] || @name).to_s
@as = options[:as]
@param = (options[:param] || :id).to_sym
@options = options
- @shallow = false
+ @shallow = shallow
@api_only = api_only
end
@@ -1107,7 +1116,7 @@ module ActionDispatch
end
def resource_scope
- { :controller => controller }
+ controller
end
alias :collection_scope :path
@@ -1130,17 +1139,15 @@ module ActionDispatch
"#{path}/:#{nested_param}"
end
- def shallow=(value)
- @shallow = value
- end
-
def shallow?
@shallow
end
+
+ def singleton?; false; end
end
class SingletonResource < Resource #:nodoc:
- def initialize(entities, api_only, options)
+ def initialize(entities, api_only, shallow, options)
super
@as = nil
@controller = (options[:controller] || plural).to_s
@@ -1168,6 +1175,8 @@ module ActionDispatch
alias :member_scope :path
alias :nested_scope :path
+
+ def singleton?; true; end
end
def resources_path_names(options)
@@ -1202,20 +1211,22 @@ module ActionDispatch
return self
end
- resource_scope(:resource, SingletonResource.new(resources.pop, api_only?, options)) do
- yield if block_given?
+ with_scope_level(:resource) do
+ resource_scope(SingletonResource.new(resources.pop, api_only?, @scope[:shallow], options)) do
+ yield if block_given?
- concerns(options[:concerns]) if options[:concerns]
+ concerns(options[:concerns]) if options[:concerns]
- collection do
- post :create
- end if parent_resource.actions.include?(:create)
+ collection do
+ post :create
+ end if parent_resource.actions.include?(:create)
- new do
- get :new
- end if parent_resource.actions.include?(:new)
+ new do
+ get :new
+ end if parent_resource.actions.include?(:new)
- set_member_mappings_for_resource
+ set_member_mappings_for_resource
+ end
end
self
@@ -1360,21 +1371,23 @@ module ActionDispatch
return self
end
- resource_scope(:resources, Resource.new(resources.pop, api_only?, options)) do
- yield if block_given?
+ with_scope_level(:resources) do
+ resource_scope(Resource.new(resources.pop, api_only?, @scope[:shallow], options)) do
+ yield if block_given?
- concerns(options[:concerns]) if options[:concerns]
+ concerns(options[:concerns]) if options[:concerns]
- collection do
- get :index if parent_resource.actions.include?(:index)
- post :create if parent_resource.actions.include?(:create)
- end
+ collection do
+ get :index if parent_resource.actions.include?(:index)
+ post :create if parent_resource.actions.include?(:create)
+ end
- new do
- get :new
- end if parent_resource.actions.include?(:new)
+ new do
+ get :new
+ end if parent_resource.actions.include?(:new)
- set_member_mappings_for_resource
+ set_member_mappings_for_resource
+ end
end
self
@@ -1398,7 +1411,7 @@ module ActionDispatch
end
with_scope_level(:collection) do
- scope(parent_resource.collection_scope) do
+ path_scope(parent_resource.collection_scope) do
yield
end
end
@@ -1422,9 +1435,11 @@ module ActionDispatch
with_scope_level(:member) do
if shallow?
- shallow_scope(parent_resource.member_scope) { yield }
+ shallow_scope {
+ path_scope(parent_resource.member_scope) { yield }
+ }
else
- scope(parent_resource.member_scope) { yield }
+ path_scope(parent_resource.member_scope) { yield }
end
end
end
@@ -1435,7 +1450,7 @@ module ActionDispatch
end
with_scope_level(:new) do
- scope(parent_resource.new_scope(action_path(:new))) do
+ path_scope(parent_resource.new_scope(action_path(:new))) do
yield
end
end
@@ -1448,9 +1463,15 @@ module ActionDispatch
with_scope_level(:nested) do
if shallow? && shallow_nesting_depth >= 1
- shallow_scope(parent_resource.nested_scope, nested_options) { yield }
+ shallow_scope do
+ path_scope(parent_resource.nested_scope) do
+ scope(nested_options) { yield }
+ end
+ end
else
- scope(parent_resource.nested_scope, nested_options) { yield }
+ path_scope(parent_resource.nested_scope) do
+ scope(nested_options) { yield }
+ end
end
end
end
@@ -1465,13 +1486,14 @@ module ActionDispatch
end
def shallow
- scope(:shallow => true) do
- yield
- end
+ @scope = @scope.new(shallow: true)
+ yield
+ ensure
+ @scope = @scope.parent
end
def shallow?
- parent_resource.instance_of?(Resource) && @scope[:shallow]
+ !parent_resource.singleton? && @scope[:shallow]
end
# Matches a url pattern to one or more routes.
@@ -1583,7 +1605,7 @@ module ActionDispatch
if @scope.resources?
with_scope_level(:root) do
- scope(parent_resource.path) do
+ path_scope(parent_resource.path) do
super(options)
end
end
@@ -1659,18 +1681,6 @@ module ActionDispatch
@scope.nested?
end
- def with_exclusive_scope
- begin
- @scope = @scope.new(:as => nil, :path => nil)
-
- with_scope_level(:exclusive) do
- yield
- end
- ensure
- @scope = @scope.parent
- end
- end
-
def with_scope_level(kind)
@scope = @scope.new_level(kind)
yield
@@ -1678,16 +1688,11 @@ module ActionDispatch
@scope = @scope.parent
end
- def resource_scope(kind, resource) #:nodoc:
- resource.shallow = @scope[:shallow]
+ def resource_scope(resource) #:nodoc:
@scope = @scope.new(:scope_level_resource => resource)
- @nesting.push(resource)
- with_scope_level(kind) do
- scope(parent_resource.resource_scope) { yield }
- end
+ controller(resource.resource_scope) { yield }
ensure
- @nesting.pop
@scope = @scope.parent
end
@@ -1700,12 +1705,10 @@ module ActionDispatch
options
end
- def nesting_depth #:nodoc:
- @nesting.size
- end
-
def shallow_nesting_depth #:nodoc:
- @nesting.count(&:shallow?)
+ @scope.find_all { |node|
+ node.frame[:scope_level_resource]
+ }.count { |node| node.frame[:scope_level_resource].shallow? }
end
def param_constraint? #:nodoc:
@@ -1720,27 +1723,28 @@ module ActionDispatch
resource_method_scope? && CANONICAL_ACTIONS.include?(action.to_s)
end
- def shallow_scope(path, options = {}) #:nodoc:
+ def shallow_scope #:nodoc:
scope = { :as => @scope[:shallow_prefix],
:path => @scope[:shallow_path] }
@scope = @scope.new scope
- scope(path, options) { yield }
+ yield
ensure
@scope = @scope.parent
end
def path_for_action(action, path) #:nodoc:
- if path.blank? && canonical_action?(action)
+ return "#{@scope[:path]}/#{path}" if path
+
+ if canonical_action?(action)
@scope[:path].to_s
else
- "#{@scope[:path]}/#{action_path(action, path)}"
+ "#{@scope[:path]}/#{action_path(action)}"
end
end
- def action_path(name, path = nil) #:nodoc:
- name = name.to_sym if name.is_a?(String)
- path || @scope[:path_names][name] || name.to_s
+ def action_path(name) #:nodoc:
+ @scope[:path_names][name.to_sym] || name
end
def prefix_name_for_action(as, action) #:nodoc:
@@ -1796,6 +1800,14 @@ module ActionDispatch
def api_only?
@set.api_only?
end
+ private
+
+ def path_scope(path)
+ @scope = @scope.new(path: merge_path_scope(@scope[:path], path))
+ yield
+ ensure
+ @scope = @scope.parent
+ end
end
# Routing Concerns allow you to declare common routes that can be reused
@@ -1913,7 +1925,7 @@ module ActionDispatch
attr_reader :parent, :scope_level
- def initialize(hash, parent = {}, scope_level = nil)
+ def initialize(hash, parent = NULL, scope_level = nil)
@hash = hash
@parent = parent
@scope_level = scope_level
@@ -1961,27 +1973,34 @@ module ActionDispatch
end
def new_level(level)
- self.class.new(self, self, level)
- end
-
- def fetch(key, &block)
- @hash.fetch(key, &block)
+ self.class.new(frame, self, level)
end
def [](key)
- @hash.fetch(key) { @parent[key] }
+ scope = find { |node| node.frame.key? key }
+ scope && scope.frame[key]
end
- def []=(k,v)
- @hash[k] = v
+ include Enumerable
+
+ def each
+ node = self
+ loop do
+ break if node.equal? NULL
+ yield node
+ node = node.parent
+ end
end
+
+ def frame; @hash; end
+
+ NULL = Scope.new(nil, nil)
end
def initialize(set) #:nodoc:
@set = set
@scope = Scope.new({ :path_names => @set.resources_path_names })
@concerns = {}
- @nesting = []
end
include Base