diff options
Diffstat (limited to 'actionpack')
| -rw-r--r-- | actionpack/lib/action_dispatch/routing/mapper.rb | 492 |
1 files changed, 247 insertions, 245 deletions
diff --git a/actionpack/lib/action_dispatch/routing/mapper.rb b/actionpack/lib/action_dispatch/routing/mapper.rb index 8dbf33d5f9..1a742f61e6 100644 --- a/actionpack/lib/action_dispatch/routing/mapper.rb +++ b/actionpack/lib/action_dispatch/routing/mapper.rb @@ -1,6 +1,249 @@ module ActionDispatch module Routing class Mapper + class Constraints + def new(app, constraints = []) + if constraints.any? + super(app, constraints) + else + app + end + end + + def initialize(app, constraints = []) + @app, @constraints = app, constraints + end + + def call(env) + req = Rack::Request.new(env) + + @constraints.each { |constraint| + if constraint.respond_to?(:matches?) && !constraint.matches?(req) + return [417, {}, []] + elsif constraint.respond_to?(:call) && !constraint.call(req) + return [417, {}, []] + end + } + + @app.call(env) + end + end + + module Base + def initialize(set) + @set = set + end + + def root(options = {}) + match '/', options.merge(:as => :root) + end + + def match(*args) + options = args.extract_options! + + if args.length > 1 + args.each { |path| match(path, options.reverse_merge(:as => path.to_sym)) } + return self + end + + if args.first.is_a?(Symbol) + return match(args.first.to_s, options.merge(:to => args.first.to_sym)) + end + + path = args.first + + conditions, defaults = {}, {} + + path = nil if path == "" + path = Rack::Mount::Utils.normalize_path(path) if path + path = "#{@scope[:path]}#{path}" if @scope[:path] + + raise ArgumentError, "path is required" unless path + + constraints = options[:constraints] || {} + unless constraints.is_a?(Hash) + block, constraints = constraints, {} + end + blocks = ((@scope[:blocks] || []) + [block]).compact + constraints = (@scope[:constraints] || {}).merge(constraints) + options.each { |k, v| constraints[k] = v if v.is_a?(Regexp) } + + conditions[:path_info] = path + requirements = constraints.dup + + path_regexp = Rack::Mount::Strexp.compile(path, constraints, SEPARATORS) + segment_keys = Rack::Mount::RegexpWithNamedGroups.new(path_regexp).names + constraints.reject! { |k, v| segment_keys.include?(k.to_s) } + conditions.merge!(constraints) + + requirements[:controller] ||= @set.controller_constraints + + if via = options[:via] + via = Array(via).map { |m| m.to_s.upcase } + conditions[:request_method] = Regexp.union(*via) + end + + defaults[:controller] ||= @scope[:controller].to_s if @scope[:controller] + + app = initialize_app_endpoint(options, defaults) + validate_defaults!(app, defaults, segment_keys) + app = Constraints.new(app, blocks) + + @set.add_route(app, conditions, requirements, defaults, options[:as]) + + self + end + + private + def initialize_app_endpoint(options, defaults) + app = nil + + if options[:to].respond_to?(:call) + app = options[:to] + defaults.delete(:controller) + defaults.delete(:action) + elsif options[:to].is_a?(String) + defaults[:controller], defaults[:action] = options[:to].split('#') + elsif options[:to].is_a?(Symbol) + defaults[:action] = options[:to].to_s + end + + app || Routing::RouteSet::Dispatcher.new(:defaults => defaults) + end + + def validate_defaults!(app, defaults, segment_keys) + return unless app.is_a?(Routing::RouteSet::Dispatcher) + + unless defaults.include?(:controller) || segment_keys.include?("controller") + raise ArgumentError, "missing :controller" + end + + unless defaults.include?(:action) || segment_keys.include?("action") + raise ArgumentError, "missing :action" + end + end + end + + module HttpHelpers + def get(*args, &block) + map_method(:get, *args, &block) + end + + def post(*args, &block) + map_method(:post, *args, &block) + end + + def put(*args, &block) + map_method(:put, *args, &block) + end + + def delete(*args, &block) + map_method(:delete, *args, &block) + end + + def redirect(path, options = {}) + status = options[:status] || 301 + lambda { |env| + req = Rack::Request.new(env) + url = req.scheme + '://' + req.host + path + [status, {'Location' => url, 'Content-Type' => 'text/html'}, ['Moved Permanently']] + } + end + + private + def map_method(method, *args, &block) + options = args.extract_options! + options[:via] = method + args.push(options) + match(*args, &block) + self + end + end + + module Scoping + def initialize(*args) + @scope = {} + super + end + + def scope(*args) + options = args.extract_options! + + case args.first + when String + options[:path] = args.first + when Symbol + options[:controller] = args.first + end + + if path = options.delete(:path) + path_set = true + path, @scope[:path] = @scope[:path], "#{@scope[:path]}#{Rack::Mount::Utils.normalize_path(path)}" + else + path_set = false + end + + if name_prefix = options.delete(:name_prefix) + name_prefix_set = true + name_prefix, @scope[:name_prefix] = @scope[:name_prefix], (@scope[:name_prefix] ? "#{@scope[:name_prefix]}#{name_prefix}" : name_prefix) + else + name_prefix_set = false + end + + if controller = options.delete(:controller) + controller_set = true + controller, @scope[:controller] = @scope[:controller], controller + else + controller_set = false + end + + constraints = options.delete(:constraints) || {} + unless constraints.is_a?(Hash) + block, constraints = constraints, {} + end + constraints, @scope[:constraints] = @scope[:constraints], (@scope[:constraints] || {}).merge(constraints) + blocks, @scope[:blocks] = @scope[:blocks], (@scope[:blocks] || []) + [block] + + options, @scope[:options] = @scope[:options], (@scope[:options] || {}).merge(options) + + yield + + self + ensure + @scope[:path] = path if path_set + @scope[:name_prefix] = name_prefix if name_prefix_set + @scope[:controller] = controller if controller_set + @scope[:options] = options + @scope[:blocks] = blocks + @scope[:constraints] = constraints + end + + def controller(controller) + scope(controller.to_sym) { yield } + end + + def namespace(path) + scope(path.to_s) { yield } + end + + def constraints(constraints = {}) + scope(:constraints => constraints) { yield } + end + + def match(*args) + options = args.extract_options! + + options = (@scope[:options] || {}).merge(options) + + if @scope[:name_prefix] + options[:as] = "#{@scope[:name_prefix]}#{options[:as]}" + end + + args.push(options) + super(*args) + end + end + module Resources class Resource #:nodoc: attr_reader :plural, :singular @@ -185,251 +428,10 @@ module ActionDispatch end end - module Scoping - def self.extended(object) - object.instance_eval do - @scope = {} - end - end - - def scope(*args) - options = args.extract_options! - - case args.first - when String - options[:path] = args.first - when Symbol - options[:controller] = args.first - end - - if path = options.delete(:path) - path_set = true - path, @scope[:path] = @scope[:path], "#{@scope[:path]}#{Rack::Mount::Utils.normalize_path(path)}" - else - path_set = false - end - - if name_prefix = options.delete(:name_prefix) - name_prefix_set = true - name_prefix, @scope[:name_prefix] = @scope[:name_prefix], (@scope[:name_prefix] ? "#{@scope[:name_prefix]}#{name_prefix}" : name_prefix) - else - name_prefix_set = false - end - - if controller = options.delete(:controller) - controller_set = true - controller, @scope[:controller] = @scope[:controller], controller - else - controller_set = false - end - - constraints = options.delete(:constraints) || {} - unless constraints.is_a?(Hash) - block, constraints = constraints, {} - end - constraints, @scope[:constraints] = @scope[:constraints], (@scope[:constraints] || {}).merge(constraints) - blocks, @scope[:blocks] = @scope[:blocks], (@scope[:blocks] || []) + [block] - - options, @scope[:options] = @scope[:options], (@scope[:options] || {}).merge(options) - - yield - - self - ensure - @scope[:path] = path if path_set - @scope[:name_prefix] = name_prefix if name_prefix_set - @scope[:controller] = controller if controller_set - @scope[:options] = options - @scope[:blocks] = blocks - @scope[:constraints] = constraints - end - - def controller(controller) - scope(controller.to_sym) { yield } - end - - def namespace(path) - scope(path.to_s) { yield } - end - - def constraints(constraints = {}) - scope(:constraints => constraints) { yield } - end - - def match(*args) - options = args.extract_options! - - options = (@scope[:options] || {}).merge(options) - - if @scope[:name_prefix] - options[:as] = "#{@scope[:name_prefix]}#{options[:as]}" - end - - args.push(options) - super(*args) - end - end - - module HttpHelpers - def get(*args, &block) - map_method(:get, *args, &block) - end - - def post(*args, &block) - map_method(:post, *args, &block) - end - - def put(*args, &block) - map_method(:put, *args, &block) - end - - def delete(*args, &block) - map_method(:delete, *args, &block) - end - - def redirect(path, options = {}) - status = options[:status] || 301 - lambda { |env| - req = Rack::Request.new(env) - url = req.scheme + '://' + req.host + path - [status, {'Location' => url, 'Content-Type' => 'text/html'}, ['Moved Permanently']] - } - end - - private - def map_method(method, *args, &block) - options = args.extract_options! - options[:via] = method - args.push(options) - match(*args, &block) - self - end - end - - class Constraints - def new(app, constraints = []) - if constraints.any? - super(app, constraints) - else - app - end - end - - def initialize(app, constraints = []) - @app, @constraints = app, constraints - end - - def call(env) - req = Rack::Request.new(env) - - @constraints.each { |constraint| - if constraint.respond_to?(:matches?) && !constraint.matches?(req) - return [417, {}, []] - elsif constraint.respond_to?(:call) && !constraint.call(req) - return [417, {}, []] - end - } - - @app.call(env) - end - end - - def initialize(set) - @set = set - - extend HttpHelpers - extend Scoping - extend Resources - end - - def root(options = {}) - match '/', options.merge(:as => :root) - end - - def match(*args) - options = args.extract_options! - - if args.length > 1 - args.each { |path| match(path, options.reverse_merge(:as => path.to_sym)) } - return self - end - - if args.first.is_a?(Symbol) - return match(args.first.to_s, options.merge(:to => args.first.to_sym)) - end - - path = args.first - - conditions, defaults = {}, {} - - path = nil if path == "" - path = Rack::Mount::Utils.normalize_path(path) if path - path = "#{@scope[:path]}#{path}" if @scope[:path] - - raise ArgumentError, "path is required" unless path - - constraints = options[:constraints] || {} - unless constraints.is_a?(Hash) - block, constraints = constraints, {} - end - blocks = ((@scope[:blocks] || []) + [block]).compact - constraints = (@scope[:constraints] || {}).merge(constraints) - options.each { |k, v| constraints[k] = v if v.is_a?(Regexp) } - - conditions[:path_info] = path - requirements = constraints.dup - - path_regexp = Rack::Mount::Strexp.compile(path, constraints, SEPARATORS) - segment_keys = Rack::Mount::RegexpWithNamedGroups.new(path_regexp).names - constraints.reject! { |k, v| segment_keys.include?(k.to_s) } - conditions.merge!(constraints) - - requirements[:controller] ||= @set.controller_constraints - - if via = options[:via] - via = Array(via).map { |m| m.to_s.upcase } - conditions[:request_method] = Regexp.union(*via) - end - - defaults[:controller] ||= @scope[:controller].to_s if @scope[:controller] - - app = initialize_app_endpoint(options, defaults) - validate_defaults!(app, defaults, segment_keys) - app = Constraints.new(app, blocks) - - @set.add_route(app, conditions, requirements, defaults, options[:as]) - - self - end - - private - def initialize_app_endpoint(options, defaults) - app = nil - - if options[:to].respond_to?(:call) - app = options[:to] - defaults.delete(:controller) - defaults.delete(:action) - elsif options[:to].is_a?(String) - defaults[:controller], defaults[:action] = options[:to].split('#') - elsif options[:to].is_a?(Symbol) - defaults[:action] = options[:to].to_s - end - - app || Routing::RouteSet::Dispatcher.new(:defaults => defaults) - end - - def validate_defaults!(app, defaults, segment_keys) - return unless app.is_a?(Routing::RouteSet::Dispatcher) - - unless defaults.include?(:controller) || segment_keys.include?("controller") - raise ArgumentError, "missing :controller" - end - - unless defaults.include?(:action) || segment_keys.include?("action") - raise ArgumentError, "missing :action" - end - end + include Base + include HttpHelpers + include Scoping + include Resources end end end |