require 'rails/initializable' require 'rails/configuration' module Rails class Railtie autoload :Configurable, "rails/railtie/configurable" autoload :Configuration, "rails/railtie/configuration" include Initializable ABSTRACT_RAILTIES = %w(Rails::Plugin Rails::Engine Rails::Application) class << self def subclasses @subclasses ||= [] end def inherited(base) unless abstract_railtie?(base) base.send(:include, self::Configurable) subclasses << base end end def railtie_name(railtie_name = nil) @railtie_name ||= name.demodulize.underscore @railtie_name = railtie_name if railtie_name @railtie_name end def railtie_names subclasses.map { |p| p.railtie_name } end def log_subscriber(log_subscriber) Rails::LogSubscriber.add(railtie_name, log_subscriber) end def rake_tasks(&blk) @rake_tasks ||= [] @rake_tasks << blk if blk @rake_tasks end def generators(&blk) @generators ||= [] @generators << blk if blk @generators end protected def abstract_railtie?(base) ABSTRACT_RAILTIES.include?(base.name) end end def rake_tasks self.class.rake_tasks end def generators self.class.generators end def load_tasks rake_tasks.each { |blk| blk.call } end def load_generators generators.each { |blk| blk.call } end end end