diff options
Diffstat (limited to 'actionpack/lib/action_dispatch/routing/mapper.rb')
| -rw-r--r-- | actionpack/lib/action_dispatch/routing/mapper.rb | 625 |
1 files changed, 376 insertions, 249 deletions
diff --git a/actionpack/lib/action_dispatch/routing/mapper.rb b/actionpack/lib/action_dispatch/routing/mapper.rb index b33c5e0dfd..b9e916078c 100644 --- a/actionpack/lib/action_dispatch/routing/mapper.rb +++ b/actionpack/lib/action_dispatch/routing/mapper.rb @@ -4,46 +4,52 @@ require 'active_support/core_ext/hash/slice' require 'active_support/core_ext/enumerable' require 'active_support/core_ext/array/extract_options' require 'active_support/core_ext/module/remove_method' +require 'active_support/core_ext/string/filters' require 'active_support/inflector' require 'action_dispatch/routing/redirection' +require 'action_dispatch/routing/endpoint' +require 'active_support/deprecation' module ActionDispatch module Routing class Mapper URL_OPTIONS = [:protocol, :subdomain, :domain, :host, :port] - SCOPE_OPTIONS = [:path, :shallow_path, :as, :shallow_prefix, :module, - :controller, :action, :path_names, :constraints, - :shallow, :blocks, :defaults, :options] - class Constraints #:nodoc: + class Constraints < Endpoint #:nodoc: attr_reader :app, :constraints - def initialize(app, constraints, request) + def initialize(app, constraints, dispatcher_p) # 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 # *think* they were just being defensive, but I have no idea. - while app.is_a?(self.class) + if app.is_a?(self.class) constraints += app.constraints app = app.app end - @app, @constraints, @request = app, constraints, request + @dispatcher = dispatcher_p + + @app, @constraints, = app, constraints end - def matches?(env) - req = @request.new(env) + def dispatcher?; @dispatcher; end + def matches?(req) @constraints.all? do |constraint| (constraint.respond_to?(:matches?) && constraint.matches?(req)) || (constraint.respond_to?(:call) && constraint.call(*constraint_args(constraint, req))) end - ensure - req.reset_parameters end - def call(env) - matches?(env) ? @app.call(env) : [ 404, {'X-Cascade' => 'pass'}, [] ] + def serve(req) + return [ 404, {'X-Cascade' => 'pass'}, [] ] unless matches?(req) + + if dispatcher? + @app.serve req + else + @app.call req.env + end end private @@ -53,65 +59,105 @@ module ActionDispatch end class Mapping #:nodoc: - IGNORE_OPTIONS = [:to, :as, :via, :on, :constraints, :defaults, :only, :except, :anchor, :shallow, :shallow_path, :shallow_prefix, :format] ANCHOR_CHARACTERS_REGEX = %r{\A(\\A|\^)|(\\Z|\\z|\$)\Z} - WILDCARD_PATH = %r{\*([^/\)]+)\)?$} - attr_reader :scope, :path, :options, :requirements, :conditions, :defaults - attr_reader :to, :default_controller, :default_action - - def initialize(set, scope, path, options) - @set, @scope, @path = set, scope, path - @requirements, @conditions, @defaults = {}, {}, {} + attr_reader :requirements, :conditions, :defaults + attr_reader :to, :default_controller, :default_action, :as, :anchor + def self.build(scope, set, path, as, options) options = scope[:options].merge(options) if scope[:options] - @to = options[:to] - @default_controller = options[:controller] || scope[:controller] - @default_action = options[:action] || scope[:action] - - @options = normalize_options!(options) - normalize_path! - normalize_requirements! - normalize_conditions! - normalize_defaults! + + options.delete :only + options.delete :except + options.delete :shallow_path + options.delete :shallow_prefix + options.delete :shallow + + defaults = (scope[:defaults] || {}).merge options.delete(:defaults) || {} + + new scope, set, path, defaults, as, options + end + + def initialize(scope, set, path, defaults, as, options) + @requirements, @conditions = {}, {} + @defaults = defaults + @set = set + + @to = options.delete :to + @default_controller = options.delete(:controller) || scope[:controller] + @default_action = options.delete(:action) || scope[:action] + @as = as + @anchor = options.delete :anchor + + formatted = options.delete :format + via = Array(options.delete(:via) { [] }) + options_constraints = options.delete :constraints + + path = normalize_path! path, formatted + ast = path_ast path + path_params = path_params ast + + options = normalize_options!(options, formatted, path_params, ast, scope[:module]) + + + split_constraints(path_params, scope[:constraints]) if scope[:constraints] + constraints = constraints(options, path_params) + + split_constraints path_params, constraints + + @blocks = blocks(options_constraints, scope[:blocks]) + + if options_constraints.is_a?(Hash) + split_constraints path_params, options_constraints + options_constraints.each do |key, default| + if URL_OPTIONS.include?(key) && (String === default || Fixnum === default) + @defaults[key] ||= default + end + end + end + + normalize_format!(formatted) + + @conditions[:path_info] = path + @conditions[:parsed_path_info] = ast + + add_request_method(via, @conditions) + normalize_defaults!(options) end def to_route - [ app, conditions, requirements, defaults, options[:as], options[:anchor] ] + [ app(@blocks), conditions, requirements, defaults, as, anchor ] end private - def normalize_path! - raise ArgumentError, "path is required" if @path.blank? - @path = Mapper.normalize_path(@path) + def normalize_path!(path, format) + path = Mapper.normalize_path(path) - if required_format? - @path = "#{@path}.:format" - elsif optional_format? - @path = "#{@path}(.:format)" + if format == true + "#{path}.:format" + elsif optional_format?(path, format) + "#{path}(.:format)" + else + path end end - def required_format? - options[:format] == true - end - - def optional_format? - options[:format] != false && !path.include?(':format') && !path.end_with?('/') + def optional_format?(path, format) + format != false && !path.include?(':format') && !path.end_with?('/') end - def normalize_options!(options) - path_without_format = path.sub(/\(\.:format\)$/, '') - + def normalize_options!(options, formatted, path_params, path_ast, modyoule) # Add a constraint for wildcard route to make it non-greedy and match the # optional format part of the route by default - if path_without_format.match(WILDCARD_PATH) && options[:format] != false - options[$1.to_sym] ||= /.+?/ + if formatted != false + path_ast.grep(Journey::Nodes::Star) do |node| + options[node.name.to_sym] ||= /.+?/ + end end - if path_without_format.match(':controller') - raise ArgumentError, ":controller segment is not allowed within a namespace block" if scope[:module] + if path_params.include?(:controller) + raise ArgumentError, ":controller segment is not allowed within a namespace block" if modyoule # Add a default constraint for :controller path segments that matches namespaced # controllers with default routes like :controller/:action/:id(.:format), e.g: @@ -120,22 +166,39 @@ module ActionDispatch options[:controller] ||= /.+?/ end - options.merge!(default_controller_and_action) + if to.respond_to? :call + options + else + to_endpoint = split_to to + controller = to_endpoint[0] || default_controller + action = to_endpoint[1] || default_action + + controller = add_controller_module(controller, modyoule) + + options.merge! check_controller_and_action(path_params, controller, action) + end end - def normalize_requirements! - constraints.each do |key, requirement| - next unless segment_keys.include?(key) || key == :controller - verify_regexp_requirement(requirement) if requirement.is_a?(Regexp) - @requirements[key] = requirement + def split_constraints(path_params, constraints) + constraints.each_pair do |key, requirement| + if path_params.include?(key) || key == :controller + verify_regexp_requirement(requirement) if requirement.is_a?(Regexp) + @requirements[key] = requirement + else + @conditions[key] = requirement + end end + end - if options[:format] == true + def normalize_format!(formatted) + if formatted == true @requirements[:format] ||= /.+/ - elsif Regexp === options[:format] - @requirements[:format] = options[:format] - elsif String === options[:format] - @requirements[:format] = Regexp.compile(options[:format]) + elsif Regexp === formatted + @requirements[:format] = formatted + @defaults[:format] = nil + elsif String === formatted + @requirements[:format] = Regexp.compile(formatted) + @defaults[:format] = formatted end end @@ -149,31 +212,12 @@ module ActionDispatch end end - def normalize_defaults! - @defaults.merge!(scope[:defaults]) if scope[:defaults] - @defaults.merge!(options[:defaults]) if options[:defaults] - - options.each do |key, default| - unless Regexp === default || IGNORE_OPTIONS.include?(key) + def normalize_defaults!(options) + options.each_pair do |key, default| + unless Regexp === default @defaults[key] = default end end - - if options[:constraints].is_a?(Hash) - options[:constraints].each do |key, default| - if URL_OPTIONS.include?(key) && (String === default || Fixnum === default) - @defaults[key] ||= default - end - end - elsif options[:constraints] - verify_callable_constraint(options[:constraints]) - end - - if Regexp === options[:format] - @defaults[:format] = nil - elsif String === options[:format] - @defaults[:format] = options[:format] - end end def verify_callable_constraint(callable_constraint) @@ -182,136 +226,133 @@ module ActionDispatch end end - def normalize_conditions! - @conditions[:path_info] = path - - constraints.each do |key, condition| - unless segment_keys.include?(key) || key == :controller - @conditions[key] = condition - end - end - - required_defaults = [] - options.each do |key, required_default| - unless segment_keys.include?(key) || IGNORE_OPTIONS.include?(key) || Regexp === required_default - required_defaults << key - end - end - @conditions[:required_defaults] = required_defaults - - via_all = options.delete(:via) if options[:via] == :all + def add_request_method(via, conditions) + return if via == [:all] - if !via_all && options[:via].blank? + if via.empty? msg = "You should not use the `match` method in your router without specifying an HTTP method.\n" \ "If you want to expose your action to both GET and POST, add `via: [:get, :post]` option.\n" \ "If you want to expose your action to GET, use `get` in the router:\n" \ " Instead of: match \"controller#action\"\n" \ " Do: get \"controller#action\"" - raise msg + raise ArgumentError, msg end - if via = options[:via] - @conditions[:request_method] = Array(via).map { |m| m.to_s.dasherize.upcase } - end + conditions[:request_method] = via.map { |m| m.to_s.dasherize.upcase } end - def app - if blocks.any? - Constraints.new(endpoint, blocks, @set.request_class) + def app(blocks) + if to.respond_to?(:call) + Constraints.new(to, blocks, false) + elsif blocks.any? + Constraints.new(dispatcher(defaults), blocks, true) else - endpoint + dispatcher(defaults) end end - def default_controller_and_action - if to.respond_to?(:call) - { } - else - if to.is_a?(String) - controller, action = to.split('#') - elsif to.is_a?(Symbol) - action = to.to_s - end - - controller ||= default_controller - action ||= default_action - - if @scope[:module] && !controller.is_a?(Regexp) - if controller =~ %r{\A/} - controller = controller[1..-1] - else - controller = [@scope[:module], controller].compact.join("/").presence - end - end - - if controller.is_a?(String) && controller =~ %r{\A/} - raise ArgumentError, "controller name should not start with a slash" - end - - controller = controller.to_s unless controller.is_a?(Regexp) - action = action.to_s unless action.is_a?(Regexp) + def check_controller_and_action(path_params, controller, action) + hash = check_part(:controller, controller, path_params, {}) do |part| + translate_controller(part) { + message = "'#{part}' is not a supported controller name. This can lead to potential routing problems." + message << " See http://guides.rubyonrails.org/routing.html#specifying-a-controller-to-use" - if controller.blank? && segment_keys.exclude?(:controller) - message = "Missing :controller key on routes definition, please check your routes." raise ArgumentError, message - end + } + end - if action.blank? && segment_keys.exclude?(:action) - message = "Missing :action key on routes definition, please check your routes." - raise ArgumentError, message - end + check_part(:action, action, path_params, hash) { |part| + part.is_a?(Regexp) ? part : part.to_s + } + end - if controller.is_a?(String) && controller !~ /\A[a-z_0-9\/]*\z/ - message = "'#{controller}' is not a supported controller name. This can lead to potential routing problems." - message << " See http://guides.rubyonrails.org/routing.html#specifying-a-controller-to-use" + def check_part(name, part, path_params, hash) + if part + hash[name] = yield(part) + else + unless path_params.include?(name) + message = "Missing :#{name} key on routes definition, please check your routes." raise ArgumentError, message end - - hash = {} - hash[:controller] = controller unless controller.blank? - hash[:action] = action unless action.blank? - hash + end + hash + end + + def split_to(to) + case to + when Symbol + ActiveSupport::Deprecation.warn(<<-MSG.squish) + Defining a route where `to` is a symbol is deprecated. + Please change `to: :#{to}` to `action: :#{to}`. + MSG + + [nil, to.to_s] + when /#/ then to.split('#') + when String + ActiveSupport::Deprecation.warn(<<-MSG.squish) + Defining a route where `to` is a controller without an action is deprecated. + Please change `to: :#{to}` to `controller: :#{to}`. + MSG + + [to, nil] + else + [] end end - def blocks - if options[:constraints].present? && !options[:constraints].is_a?(Hash) - [options[:constraints]] + def add_controller_module(controller, modyoule) + if modyoule && !controller.is_a?(Regexp) + if controller =~ %r{\A/} + controller[1..-1] + else + [modyoule, controller].compact.join("/") + end else - scope[:blocks] || [] + controller end end - def constraints - @constraints ||= {}.tap do |constraints| - constraints.merge!(scope[:constraints]) if scope[:constraints] + def translate_controller(controller) + return controller if Regexp === controller + return controller.to_s if controller =~ /\A[a-z_0-9][a-z_0-9\/]*\z/ - options.except(*IGNORE_OPTIONS).each do |key, option| - constraints[key] = option if Regexp === option - end - - constraints.merge!(options[:constraints]) if options[:constraints].is_a?(Hash) - end + yield end - def segment_keys - @segment_keys ||= path_pattern.names.map{ |s| s.to_sym } + def blocks(options_constraints, scope_blocks) + if options_constraints && !options_constraints.is_a?(Hash) + verify_callable_constraint(options_constraints) + [options_constraints] + else + scope_blocks || [] + end end - def path_pattern - Journey::Path::Pattern.new(strexp) + def constraints(options, path_params) + constraints = {} + required_defaults = [] + options.each_pair do |key, option| + if Regexp === option + constraints[key] = option + else + required_defaults << key unless path_params.include?(key) + end + end + @conditions[:required_defaults] = required_defaults + constraints end - def strexp - Journey::Router::Strexp.compile(path, requirements, SEPARATORS) + def path_params(ast) + ast.grep(Journey::Nodes::Symbol).map { |n| n.name.to_sym } end - def endpoint - to.respond_to?(:call) ? to : dispatcher + def path_ast(path) + parser = Journey::Parser.new + parser.parse path end - def dispatcher - Routing::RouteSet::Dispatcher.new(defaults) + def dispatcher(defaults) + @set.dispatcher defaults end end @@ -348,7 +389,7 @@ module ActionDispatch # Matches a url pattern to one or more routes. # - # You should not use the `match` method in your router + # You should not use the +match+ method in your router # without specifying an HTTP method. # # If you want to expose your action to both GET and POST, use: @@ -359,7 +400,7 @@ module ActionDispatch # Note that +:controller+, +:action+ and +:id+ are interpreted as url # query parameters and thus available through +params+ in an action. # - # If you want to expose your action to GET, use `get` in the router: + # If you want to expose your action to GET, use +get+ in the router: # # Instead of: # @@ -400,7 +441,7 @@ module ActionDispatch # # Because requesting various HTTP verbs with a single action has security # implications, you must either specify the actions in - # the via options or use one of the HtttpHelpers[rdoc-ref:HttpHelpers] + # the via options or use one of the HttpHelpers[rdoc-ref:HttpHelpers] # instead +match+ # # === Options @@ -413,6 +454,12 @@ module ActionDispatch # [:action] # The route's action. # + # [:param] + # Overrides the default resource identifier +:id+ (name of the + # dynamic segment used to generate the routes). + # You can access that segment from your controller using + # <tt>params[<:param>]</tt>. + # # [:path] # The path prefix for the routes. # @@ -532,13 +579,15 @@ module ActionDispatch raise "A rack application must be specified" unless path - options[:as] ||= app_name(app) + rails_app = rails_app? app + options[:as] ||= app_name(app, rails_app) + target_as = name_for_action(options[:as], path) options[:via] ||= :all match(path, options.merge(:to => app, :anchor => false, :format => false)) - define_generate_prefix(app, target_as) + define_generate_prefix(app, target_as) if rails_app self end @@ -559,31 +608,33 @@ module ActionDispatch end private - def app_name(app) - return unless app.respond_to?(:routes) + def rails_app?(app) + app.is_a?(Class) && app < Rails::Railtie + end - if app.respond_to?(:railtie_name) + def app_name(app, rails_app) + if rails_app app.railtie_name - else - class_name = app.class.is_a?(Class) ? app.name : app.class.name + elsif app.is_a?(Class) + class_name = app.name ActiveSupport::Inflector.underscore(class_name).tr("/", "_") end end def define_generate_prefix(app, name) - return unless app.respond_to?(:routes) && app.routes.respond_to?(:define_mounted_helper) - - _route = @set.named_routes.routes[name.to_sym] + _route = @set.named_routes.get name _routes = @set app.routes.define_mounted_helper(name) app.routes.extend Module.new { - def mounted?; true; end + def optimize_routes_generation?; false; end define_method :find_script_name do |options| - super(options) || begin - prefix_options = options.slice(*_route.segment_keys) - # we must actually delete prefix segment keys to avoid passing them to next url_for - _route.segment_keys.each { |k| options.delete(k) } - _routes.url_helpers.send("#{name}_path", prefix_options) + if options.key? :script_name + super(options) + else + prefix_options = options.slice(*_route.segment_keys) + # we must actually delete prefix segment keys to avoid passing them to next url_for + _route.segment_keys.each { |k| options.delete(k) } + _routes.url_helpers.send("#{name}_path", prefix_options) end end } @@ -673,7 +724,7 @@ module ActionDispatch # resources :posts, module: "admin" # # If you want to route /admin/posts to +PostsController+ - # (without the Admin:: module prefix), you could use + # (without the <tt>Admin::</tt> module prefix), you could use # # scope "/admin" do # resources :posts @@ -727,7 +778,7 @@ module ActionDispatch # end def scope(*args) options = args.extract_options!.dup - recover = {} + scope = {} options[:path] = args.flatten.join('/') if args.any? options[:constraints] ||= {} @@ -747,7 +798,7 @@ module ActionDispatch block, options[:constraints] = options[:constraints], {} end - SCOPE_OPTIONS.each do |option| + @scope.options.each do |option| if option == :blocks value = block elsif option == :options @@ -757,15 +808,15 @@ module ActionDispatch end if value - recover[option] = @scope[option] - @scope[option] = send("merge_#{option}_scope", @scope[option], value) + scope[option] = send("merge_#{option}_scope", @scope[option], value) end end + @scope = @scope.new scope yield self ensure - @scope.merge!(recover) + @scope = @scope.parent end # Scopes routes to a specific controller @@ -1003,8 +1054,6 @@ module ActionDispatch VALID_ON_OPTIONS = [:new, :collection, :member] RESOURCE_OPTIONS = [:as, :controller, :path, :only, :except, :param, :concerns] CANONICAL_ACTIONS = %w(index create new show update destroy) - RESOURCE_METHOD_SCOPES = [:collection, :member, :new] - RESOURCE_SCOPES = [:resource, :resources] class Resource #:nodoc: attr_reader :controller, :path, :options, :param @@ -1390,7 +1439,7 @@ module ActionDispatch end with_scope_level(:nested) do - if shallow? && shallow_nesting_depth > 1 + if shallow? && shallow_nesting_depth >= 1 shallow_scope(parent_resource.nested_scope, nested_options) { yield } else scope(parent_resource.nested_scope, nested_options) { yield } @@ -1424,7 +1473,20 @@ module ActionDispatch if rest.empty? && Hash === path options = path path, to = options.find { |name, _value| name.is_a?(String) } - options[:to] = to + + case to + when Symbol + options[:action] = to + when String + if to =~ /#/ + options[:to] = to + else + options[:controller] = to + end + else + options[:to] = to + end + options.delete(path) paths = [path] else @@ -1465,7 +1527,7 @@ module ActionDispatch if on = options.delete(:on) send(on) { decomposed_match(path, options) } else - case @scope[:scope_level] + case @scope.scope_level when :resources nested { decomposed_match(path, options) } when :resource @@ -1478,6 +1540,8 @@ module ActionDispatch def add_route(action, options) # :nodoc: path = path_for_action(action, options.delete(:path)) + raise ArgumentError, "path is required" if path.blank? + action = action.to_s.dup if action =~ /^[\w\-\/]+$/ @@ -1486,13 +1550,13 @@ module ActionDispatch action = nil end - if !options.fetch(:as, true) - options.delete(:as) - else - options[:as] = name_for_action(options[:as], action) - end + as = if !options.fetch(:as, true) # if it's set to nil or false + options.delete(:as) + else + name_for_action(options.delete(:as), action) + end - mapping = Mapping.new(@set, @scope, URI.parser.escape(path), options) + mapping = Mapping.build(@scope, @set, URI.parser.escape(path), as, options) app, conditions, requirements, defaults, as, anchor = mapping.to_route @set.add_route(app, conditions, requirements, defaults, as, anchor) end @@ -1506,7 +1570,7 @@ module ActionDispatch raise ArgumentError, "must be called with a path and/or options" end - if @scope[:scope_level] == :resources + if @scope.resources? with_scope_level(:root) do scope(parent_resource.path) do super(options) @@ -1573,40 +1637,39 @@ module ActionDispatch end def resource_scope? #:nodoc: - RESOURCE_SCOPES.include? @scope[:scope_level] + @scope.resource_scope? end def resource_method_scope? #:nodoc: - RESOURCE_METHOD_SCOPES.include? @scope[:scope_level] + @scope.resource_method_scope? end def nested_scope? #:nodoc: - @scope[:scope_level] == :nested + @scope.nested? end def with_exclusive_scope begin - old_name_prefix, old_path = @scope[:as], @scope[:path] - @scope[:as], @scope[:path] = nil, nil + @scope = @scope.new(:as => nil, :path => nil) with_scope_level(:exclusive) do yield end ensure - @scope[:as], @scope[:path] = old_name_prefix, old_path + @scope = @scope.parent end end def with_scope_level(kind) - old, @scope[:scope_level] = @scope[:scope_level], kind + @scope = @scope.new_level(kind) yield ensure - @scope[:scope_level] = old + @scope = @scope.parent end def resource_scope(kind, resource) #:nodoc: resource.shallow = @scope[:shallow] - old_resource, @scope[:scope_level_resource] = @scope[:scope_level_resource], resource + @scope = @scope.new(:scope_level_resource => resource) @nesting.push(resource) with_scope_level(kind) do @@ -1614,7 +1677,7 @@ module ActionDispatch end ensure @nesting.pop - @scope[:scope_level_resource] = old_resource + @scope = @scope.parent end def nested_options #:nodoc: @@ -1642,21 +1705,22 @@ module ActionDispatch @scope[:constraints][parent_resource.param] end - def canonical_action?(action, flag) #:nodoc: - flag && resource_method_scope? && CANONICAL_ACTIONS.include?(action.to_s) + def canonical_action?(action) #:nodoc: + resource_method_scope? && CANONICAL_ACTIONS.include?(action.to_s) end def shallow_scope(path, options = {}) #:nodoc: - old_name_prefix, old_path = @scope[:as], @scope[:path] - @scope[:as], @scope[:path] = @scope[:shallow_prefix], @scope[:shallow_path] + scope = { :as => @scope[:shallow_prefix], + :path => @scope[:shallow_path] } + @scope = @scope.new scope scope(path, options) { yield } ensure - @scope[:as], @scope[:path] = old_name_prefix, old_path + @scope = @scope.parent end def path_for_action(action, path) #:nodoc: - if canonical_action?(action, path.blank?) + if path.blank? && canonical_action?(action) @scope[:path].to_s else "#{@scope[:path]}/#{action_path(action, path)}" @@ -1671,15 +1735,17 @@ module ActionDispatch def prefix_name_for_action(as, action) #:nodoc: if as prefix = as - elsif !canonical_action?(action, @scope[:scope_level]) + elsif !canonical_action?(action) prefix = action end - prefix.to_s.tr('-', '_') if prefix + + if prefix && prefix != '/' && !prefix.empty? + Mapper.normalize_name prefix.to_s.tr('-', '_') + end end def name_for_action(as, action) #:nodoc: prefix = prefix_name_for_action(as, action) - prefix = Mapper.normalize_name(prefix) if prefix name_prefix = @scope[:as] if parent_resource @@ -1689,27 +1755,14 @@ module ActionDispatch member_name = parent_resource.member_name end - name = case @scope[:scope_level] - when :nested - [name_prefix, prefix] - when :collection - [prefix, name_prefix, collection_name] - when :new - [prefix, :new, name_prefix, member_name] - when :member - [prefix, name_prefix, member_name] - when :root - [name_prefix, collection_name, prefix] - else - [name_prefix, member_name, prefix] - end + name = @scope.action_name(name_prefix, prefix, collection_name, member_name) - if candidate = name.select(&:present?).join("_").presence + if candidate = name.compact.join("_").presence # If a name was not explicitly given, we check if it is valid # and return nil in case it isn't. Otherwise, we pass the invalid name # forward so the underlying router engine treats it and raises an exception. if as.nil? - candidate unless @set.routes.find { |r| r.name == candidate } || candidate !~ /\A[_a-z]/i + candidate unless candidate !~ /\A[_a-z]/i || @set.named_routes.key?(candidate) else candidate end @@ -1834,9 +1887,83 @@ module ActionDispatch end end + class Scope # :nodoc: + OPTIONS = [:path, :shallow_path, :as, :shallow_prefix, :module, + :controller, :action, :path_names, :constraints, + :shallow, :blocks, :defaults, :options] + + RESOURCE_SCOPES = [:resource, :resources] + RESOURCE_METHOD_SCOPES = [:collection, :member, :new] + + attr_reader :parent, :scope_level + + def initialize(hash, parent = {}, scope_level = nil) + @hash = hash + @parent = parent + @scope_level = scope_level + end + + def nested? + scope_level == :nested + end + + def resources? + scope_level == :resources + end + + def resource_method_scope? + RESOURCE_METHOD_SCOPES.include? scope_level + end + + def action_name(name_prefix, prefix, collection_name, member_name) + case scope_level + when :nested + [name_prefix, prefix] + when :collection + [prefix, name_prefix, collection_name] + when :new + [prefix, :new, name_prefix, member_name] + when :member + [prefix, name_prefix, member_name] + when :root + [name_prefix, collection_name, prefix] + else + [name_prefix, member_name, prefix] + end + end + + def resource_scope? + RESOURCE_SCOPES.include? scope_level + end + + def options + OPTIONS + end + + def new(hash) + self.class.new hash, self, scope_level + end + + def new_level(level) + self.class.new(self, self, level) + end + + def fetch(key, &block) + @hash.fetch(key, &block) + end + + def [](key) + @hash.fetch(key) { @parent[key] } + end + + def []=(k,v) + @hash[k] = v + end + end + def initialize(set) #:nodoc: @set = set - @scope = { :path_names => @set.resources_path_names } + @scope = Scope.new({ :path_names => @set.resources_path_names }) @concerns = {} @nesting = [] end |