activesupport_path = "#{File.dirname(__FILE__)}/../../activesupport/lib" $LOAD_PATH.unshift(activesupport_path) if File.directory?(activesupport_path) require 'active_support' require 'active_support/core_ext/object/blank' require 'active_support/core_ext/object/metaclass' require 'active_support/core_ext/array' require 'active_support/core_ext/hash' require 'active_support/core_ext/module/attribute_accessors' require 'active_support/core_ext/string/inflections' # TODO: Do not always push on vendored thor $LOAD_PATH.unshift("#{File.dirname(__FILE__)}/vendor/thor-0.11.6/lib") require 'rails/generators/base' require 'rails/generators/named_base' module Rails module Generators DEFAULT_ALIASES = { :rails => { :actions => '-a', :orm => '-o', :resource_controller => '-c', :scaffold_controller => '-c', :stylesheets => '-y', :template_engine => '-e', :test_framework => '-t' }, :test_unit => { :fixture_replacement => '-r', }, :plugin => { :generator => '-g', :tasks => '-r' } } DEFAULT_OPTIONS = { :active_record => { :migration => true, :timestamps => true }, :erb => { :layout => true }, :rails => { :force_plural => false, :helper => true, :layout => true, :orm => :active_record, :integration_tool => :test_unit, :performance_tool => :test_unit, :resource_controller => :controller, :scaffold_controller => :scaffold_controller, :singleton => false, :stylesheets => true, :template_engine => :erb, :test_framework => :test_unit }, :test_unit => { :fixture => true, :fixture_replacement => nil }, :plugin => { :generator => false, :tasks => false } } def self.aliases #:nodoc: @aliases ||= DEFAULT_ALIASES.dup end def self.options #:nodoc: @options ||= DEFAULT_OPTIONS.dup end # We have two scenarios here: when rubygems is loaded and when bundler is # being used. If rubygems is loaded, we get all generators paths from loaded # specs. Otherwise we just have to look into vendor/gems/gems. # def self.gems_generators_paths paths = [] if defined?(Gem) && Gem.respond_to?(:loaded_specs) Gem.loaded_specs.each do |name, spec| generator_path = File.join(spec.full_gem_path, "lib/generators") paths << generator_path if File.exist?(generator_path) end elsif defined?(RAILS_ROOT) paths += Dir[File.join(RAILS_ROOT, "vendor", "gems", "gems", "*", "lib", "generators")] end paths end # Load paths from plugin. # def self.plugins_generators_paths return [] unless defined?(RAILS_ROOT) Dir[File.join(RAILS_ROOT, "vendor", "plugins", "*", "lib", "generators")] end # Hold configured generators fallbacks. If a plugin developer wants a # generator group to fallback to another group in case of missing generators, # they can add a fallback. # # For example, shoulda is considered a test_framework and is an extension # of test_unit. However, most part of shoulda generators are similar to # test_unit ones. # # Shoulda then can tell generators to search for test_unit generators when # some of them are not available by adding a fallback: # # Rails::Generators.fallbacks[:shoulda] = :test_unit # def self.fallbacks @fallbacks ||= {} end # Remove the color from output. # def self.no_color! Thor::Base.shell = Thor::Shell::Basic end # Generators load paths used on lookup. The lookup happens as: # # 1) lib generators # 2) vendor/plugin generators # 3) vendor/gems generators # 4) ~/rails/generators # 5) rubygems generators # 6) builtin generators # # TODO Remove hardcoded paths for all, except (6). # def self.load_paths @load_paths ||= begin paths = [] paths << File.join(RAILS_ROOT, "lib", "generators") if defined?(RAILS_ROOT) paths << File.join(Thor::Util.user_home, ".rails", "generators") paths += self.plugins_generators_paths paths += self.gems_generators_paths paths << File.expand_path(File.join(File.dirname(__FILE__), "generators")) paths.uniq! paths end end load_paths # Cache load paths. Needed to avoid __FILE__ pointing to wrong paths. # Receives a namespace and tries different combinations to find a generator. # # ==== Examples # # find_by_namespace :webrat, :rails, :integration # # Will search for the following generators: # # "rails:generators:webrat", "webrat:generators:integration", "webrat" # # If the namespace has ":" included we consider that a absolute namespace # was given and the lookup above does not happen. Just the name is searched. # # Finally, it deals with one kind of shortcut: # # find_by_namespace "test_unit:model" # # It will search for generators at: # # "test_unit:generators:model", "test_unit:model" # def self.find_by_namespace(name, base=nil, context=nil) #:nodoc: name, attempts = name.to_s, [] case name.count(':') when 1 base, name = name.split(':') return find_by_namespace(name, base) when 0 attempts << "#{base}:generators:#{name}" if base attempts << "#{name}:generators:#{context}" if context end attempts << name unloaded = attempts - namespaces lookup(unloaded) attempts.each do |namespace| klass = Thor::Util.find_by_namespace(namespace) return klass if klass end invoke_fallbacks_for(name, base) end # Receives a namespace, arguments and the behavior to invoke the generator. # It's used as the default entry point for generate, destroy and update # commands. # def self.invoke(namespace, args=ARGV, config={}) if klass = find_by_namespace(namespace, "rails") args << "--help" if klass.arguments.any? { |a| a.required? } && args.empty? klass.start args, config else puts "Could not find generator #{namespace}." end end # Show help message with available generators. # def self.help rails = Rails::Generators.builtin.map do |group, name| name if group == "rails" end rails.compact! rails.sort! puts "Please select a generator." puts "Builtin: #{rails.join(', ')}." # Load paths and remove builtin paths, others = load_paths.dup, [] paths.pop paths.each do |path| tail = [ "*", "*", "*_generator.rb" ] until tail.empty? others += Dir[File.join(path, *tail)].collect do |file| file.split('/')[-tail.size, 2].join(':').sub(/_generator\.rb$/, '') end tail.shift end end others.sort! puts "Others: #{others.join(', ')}." unless others.empty? end protected # Return all defined namespaces. # def self.namespaces #:nodoc: Thor::Base.subclasses.map{ |klass| klass.namespace } end # Keep builtin generators in an Array[Array[group, name]]. # def self.builtin #:nodoc: Dir[File.dirname(__FILE__) + '/generators/*/*'].collect do |file| file.split('/')[-2, 2] end end # Try callbacks for the given base. # def self.invoke_fallbacks_for(name, base) return nil unless base && fallbacks[base.to_sym] invoked_fallbacks = [] Array(fallbacks[base.to_sym]).each do |fallback| next if invoked_fallbacks.include?(fallback) invoked_fallbacks << fallback klass = find_by_namespace(name, fallback) return klass if klass end nil end # Receives namespaces in an array and tries to find matching generators # in the load path. # def self.lookup(attempts) #:nodoc: attempts = attempts.map { |a| "#{a.split(":").last}_generator" }.uniq attempts = "{#{attempts.join(',')}}.rb" self.load_paths.each do |path| Dir[File.join(path, '**', attempts)].each do |file| begin require file rescue Exception => e warn "[WARNING] Could not load generator at #{file.inspect}. Error: #{e.message}" end end end end end end