diff options
Diffstat (limited to 'railties/lib/rails/engine.rb')
-rw-r--r-- | railties/lib/rails/engine.rb | 111 |
1 files changed, 71 insertions, 40 deletions
diff --git a/railties/lib/rails/engine.rb b/railties/lib/rails/engine.rb index 5e2bdb7340..1aa24b6808 100644 --- a/railties/lib/rails/engine.rb +++ b/railties/lib/rails/engine.rb @@ -47,6 +47,26 @@ module Rails # end # end # + # == Generators + # + # You can set up generators for engine with config.generators method: + # + # class MyEngine < Rails::Engine + # config.generators do |g| + # g.orm :active_record + # g.template_engine :erb + # g.test_framework :test_unit + # end + # end + # + # You can also set generators for application by using config.app_generators: + # + # class MyEngine < Rails::Engine + # # note that you can also pass block to app_generators in the same way you + # # can pass it to generators method + # config.app_generators.orm :datamapper + # end + # # == Paths # # Since Rails 3.0, both your Application and Engines do not have hardcoded paths. @@ -70,17 +90,17 @@ module Rails # The available paths in an Engine are: # # class MyEngine < Rails::Engine - # paths.app = "app" - # paths.app.controllers = "app/controllers" - # paths.app.helpers = "app/helpers" - # paths.app.models = "app/models" - # paths.app.views = "app/views" - # paths.lib = "lib" - # paths.lib.tasks = "lib/tasks" - # paths.config = "config" - # paths.config.initializers = "config/initializers" - # paths.config.locales = "config/locales" - # paths.config.routes = "config/routes.rb" + # paths["app"] #=> ["app"] + # paths["app/controllers"] #=> ["app/controllers"] + # paths["app/helpers"] #=> ["app/helpers"] + # paths["app/models"] #=> ["app/models"] + # paths["app/views"] #=> ["app/views"] + # paths["lib"] #=> ["lib"] + # paths["lib/tasks"] #=> ["lib/tasks"] + # paths["config"] #=> ["config"] + # paths["config/initializers"] #=> ["config/initializers"] + # paths["config/locales"] #=> ["config/locales"] + # paths["config/routes"] #=> ["config/routes.rb"] # end # # Your Application class adds a couple more paths to this set. And as in your Application, @@ -256,11 +276,11 @@ module Rails # end # end # - # There is also 'app' helper that gives you access to application's routes inside Engine: + # There is also 'main_app' helper that gives you access to application's routes inside Engine: # # module MyEngine # class BarController - # app.foo_path #=> /foo + # main_app.foo_path #=> /foo # end # end # @@ -333,21 +353,22 @@ module Rails def namespace(mod) engine_name(generate_railtie_name(mod)) - _railtie = self name = engine_name - mod.singleton_class.instance_eval do - define_method(:_railtie) do - _railtie - end - - define_method(:table_name_prefix) do - "#{name}_" - end - end - self.routes.default_scope = {:module => name} - self.namespaced = true + + unless mod.respond_to?(:_railtie) + _railtie = self + mod.singleton_class.instance_eval do + define_method(:_railtie) do + _railtie + end + + define_method(:table_name_prefix) do + "#{name}_" + end + end + end end def namespaced? @@ -360,7 +381,7 @@ module Rails def load_tasks super - config.paths.lib.tasks.to_a.sort.each { |ext| load(ext) } + paths["lib/tasks"].existent.sort.each { |ext| load(ext) } end def eager_load! @@ -398,8 +419,10 @@ module Rails } end - def routes + def routes(&block) @routes ||= ActionDispatch::Routing::RouteSet.new + self.routes_draw_block = block if block_given? + @routes end def initializers @@ -418,7 +441,7 @@ module Rails # # Blog::Engine.load_seed def load_seed - seed_file = config.paths.db.seeds.to_a.first + seed_file = paths["db/seeds"].existent.first load(seed_file) if File.exist?(seed_file) end @@ -446,19 +469,22 @@ module Rails end initializer :add_routing_paths do |app| - paths.config.routes.to_a.each do |route| - app.routes_reloader.paths.unshift(route) if File.exists?(route) + paths = self.paths["config/routes"].existent + + if routes? || paths.any? + app.routes_reloader.blocks[routes] = routes_draw_block + app.routes_reloader.paths.unshift(*paths) end end # I18n load paths are a special case since the ones added # later have higher priority. initializer :add_locales do - config.i18n.railties_load_path.concat(paths.config.locales.to_a) + config.i18n.railties_load_path.concat(paths["config/locales"].existent) end initializer :add_view_paths do - views = paths.app.views.to_a + views = paths["app/views"].existent unless views.empty? ActiveSupport.on_load(:action_controller){ prepend_view_path(views) } ActiveSupport.on_load(:action_mailer){ prepend_view_path(views) } @@ -466,28 +492,27 @@ module Rails end initializer :load_environment_config, :before => :load_environment_hook do - environment = config.paths.config.environments.to_a.first + environment = paths["config/environments"].existent.first require environment if environment end initializer :append_asset_paths do config.asset_path ||= "/#{engine_name}%s" - public_path = config.paths.public.to_a.first + public_path = paths["public"].first if config.compiled_asset_path && File.exist?(public_path) config.static_asset_paths[config.compiled_asset_path] = public_path end end - initializer :prepend_helpers_path do - unless namespaced? - config.helpers_paths = [] unless config.respond_to?(:helpers_paths) - config.helpers_paths = config.paths.app.helpers.to_a + config.helpers_paths + initializer :prepend_helpers_path do |app| + if !namespaced? || (app == self) + app.config.helpers_paths.unshift(*paths["app/helpers"].existent) end end initializer :load_config_initializers do - paths.config.initializers.to_a.sort.each do |initializer| + config.paths["config/initializers"].existent.sort.each do |initializer| load(initializer) end end @@ -498,6 +523,12 @@ module Rails end protected + attr_accessor :routes_draw_block + + def routes? + defined?(@routes) + end + def find_root_with_flag(flag, default=nil) root_path = self.class.called_from @@ -509,7 +540,7 @@ module Rails root = File.exist?("#{root_path}/#{flag}") ? root_path : default raise "Could not find root path for #{self}" unless root - Config::CONFIG['host_os'] =~ /mswin|mingw/ ? + RbConfig::CONFIG['host_os'] =~ /mswin|mingw/ ? Pathname.new(root).expand_path : Pathname.new(root).realpath end |