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activesupport_path = "#{File.dirname(__FILE__)}/../../activesupport/lib"
$:.unshift(activesupport_path) if File.directory?(activesupport_path)
require 'active_support/all'
# TODO Use vendored Thor
require 'rubygems'
gem 'josevalim-thor'
require 'thor'
$:.unshift(File.dirname(__FILE__))
require 'rails/version' unless defined?(Rails::VERSION)
require 'generators/base'
require 'generators/named_base'
module Rails
module Generators
def self.builtin
Dir[File.dirname(__FILE__) + '/generators/*/*'].collect do |file|
file.split('/')[-2, 2]
end
end
# 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)
name, attempts = name.to_s, []
attempts << "#{base}:generators:#{name}" if base && name.count(':') == 0
attempts << "#{name}:generators:#{context}" if context && name.count(':') == 0
attempts << name.sub(':', ':generators:') if name.count(':') == 1
attempts << name
attempts.each do |namespace|
klass = Thor::Util.find_by_namespace(namespace)
return klass if klass
end
nil
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(', ')}."
# TODO Show others after lookup is implemented
# puts "Others: #{others.join(', ')}."
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, behavior=:invoke)
# Load everything right now ...
builtin.each do |group, name|
require "generators/#{group}/#{name}/#{name}_generator"
end
if klass = find_by_namespace(namespace, "rails")
args << "--help" if klass.arguments.any? { |a| a.required? } && args.empty?
klass.start args, :behavior => behavior
else
puts "Could not find generator #{namespace}."
end
end
end
end
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