mirror of
https://github.com/rails/rails.git
synced 2022-11-09 12:12:34 -05:00
337 lines
10 KiB
Ruby
337 lines
10 KiB
Ruby
activesupport_path = File.expand_path('../../../../activesupport/lib', __FILE__)
|
|
$:.unshift(activesupport_path) if File.directory?(activesupport_path) && !$:.include?(activesupport_path)
|
|
|
|
require 'active_support'
|
|
require 'active_support/core_ext/object/blank'
|
|
require 'active_support/core_ext/kernel/singleton_class'
|
|
require 'active_support/core_ext/array/extract_options'
|
|
require 'active_support/core_ext/hash/deep_merge'
|
|
require 'active_support/core_ext/module/attribute_accessors'
|
|
require 'active_support/core_ext/string/inflections'
|
|
|
|
require 'rails/generators/base'
|
|
|
|
module Rails
|
|
module Generators
|
|
autoload :Actions, 'rails/generators/actions'
|
|
autoload :ActiveModel, 'rails/generators/active_model'
|
|
autoload :Migration, 'rails/generators/migration'
|
|
autoload :NamedBase, 'rails/generators/named_base'
|
|
autoload :ResourceHelpers, 'rails/generators/resource_helpers'
|
|
autoload :TestCase, 'rails/generators/test_case'
|
|
|
|
mattr_accessor :namespace
|
|
|
|
DEFAULT_ALIASES = {
|
|
:rails => {
|
|
:actions => '-a',
|
|
:orm => '-o',
|
|
:javascripts => '-j',
|
|
:javascript_engine => '-je',
|
|
:resource_controller => '-c',
|
|
:scaffold_controller => '-c',
|
|
:stylesheets => '-y',
|
|
:stylesheet_engine => '-se',
|
|
:template_engine => '-e',
|
|
:test_framework => '-t'
|
|
},
|
|
|
|
:test_unit => {
|
|
:fixture_replacement => '-r',
|
|
},
|
|
|
|
:plugin => {
|
|
:generator => '-g',
|
|
:tasks => '-r'
|
|
}
|
|
}
|
|
|
|
DEFAULT_OPTIONS = {
|
|
:rails => {
|
|
:assets => true,
|
|
:force_plural => false,
|
|
:helper => true,
|
|
:integration_tool => nil,
|
|
:javascripts => true,
|
|
:javascript_engine => :js,
|
|
:orm => false,
|
|
:performance_tool => nil,
|
|
:resource_controller => :controller,
|
|
:scaffold_controller => :scaffold_controller,
|
|
:stylesheets => true,
|
|
:stylesheet_engine => :css,
|
|
:test_framework => false,
|
|
:template_engine => :erb
|
|
},
|
|
|
|
:plugin => {
|
|
:generator => false,
|
|
:tasks => false
|
|
}
|
|
}
|
|
|
|
def self.configure!(config) #:nodoc:
|
|
no_color! unless config.colorize_logging
|
|
aliases.deep_merge! config.aliases
|
|
options.deep_merge! config.options
|
|
fallbacks.merge! config.fallbacks
|
|
templates_path.concat config.templates
|
|
templates_path.uniq!
|
|
hide_namespaces(*config.hidden_namespaces)
|
|
end
|
|
|
|
def self.templates_path
|
|
@templates_path ||= []
|
|
end
|
|
|
|
def self.aliases #:nodoc:
|
|
@aliases ||= DEFAULT_ALIASES.dup
|
|
end
|
|
|
|
def self.options #:nodoc:
|
|
@options ||= DEFAULT_OPTIONS.dup
|
|
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
|
|
|
|
# Track all generators subclasses.
|
|
def self.subclasses
|
|
@subclasses ||= []
|
|
end
|
|
|
|
# Rails finds namespaces similar to thor, it only adds one rule:
|
|
#
|
|
# Generators names must end with "_generator.rb". This is required because Rails
|
|
# looks in load paths and loads the generator just before it's going to be used.
|
|
#
|
|
# ==== Examples
|
|
#
|
|
# find_by_namespace :webrat, :rails, :integration
|
|
#
|
|
# Will search for the following generators:
|
|
#
|
|
# "rails:webrat", "webrat:integration", "webrat"
|
|
#
|
|
# Notice that "rails:generators:webrat" could be loaded as well, what
|
|
# Rails looks for is the first and last parts of the namespace.
|
|
#
|
|
def self.find_by_namespace(name, base=nil, context=nil) #:nodoc:
|
|
lookups = []
|
|
lookups << "#{base}:#{name}" if base
|
|
lookups << "#{name}:#{context}" if context
|
|
|
|
unless base || context
|
|
unless name.to_s.include?(?:)
|
|
lookups << "#{name}:#{name}"
|
|
lookups << "rails:#{name}"
|
|
end
|
|
lookups << "#{name}"
|
|
end
|
|
|
|
lookup(lookups)
|
|
|
|
namespaces = Hash[subclasses.map { |klass| [klass.namespace, klass] }]
|
|
|
|
lookups.each do |namespace|
|
|
klass = namespaces[namespace]
|
|
return klass if klass
|
|
end
|
|
|
|
invoke_fallbacks_for(name, base) || invoke_fallbacks_for(context, name)
|
|
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={})
|
|
names = namespace.to_s.split(':')
|
|
if klass = find_by_namespace(names.pop, names.any? && names.join(':'))
|
|
args << "--help" if args.empty? && klass.arguments.any? { |a| a.required? }
|
|
klass.start(args, config)
|
|
else
|
|
puts "Could not find generator #{namespace}."
|
|
end
|
|
end
|
|
|
|
def self.hidden_namespaces
|
|
@hidden_namespaces ||= begin
|
|
orm = options[:rails][:orm]
|
|
test = options[:rails][:test_framework]
|
|
template = options[:rails][:template_engine]
|
|
css = options[:rails][:stylesheet_engine]
|
|
|
|
[
|
|
"rails",
|
|
"#{orm}:migration",
|
|
"#{orm}:model",
|
|
"#{orm}:observer",
|
|
"#{orm}:session_migration",
|
|
"#{test}:controller",
|
|
"#{test}:helper",
|
|
"#{test}:integration",
|
|
"#{test}:mailer",
|
|
"#{test}:model",
|
|
"#{test}:observer",
|
|
"#{test}:scaffold",
|
|
"#{test}:view",
|
|
"#{test}:performance",
|
|
"#{test}:plugin",
|
|
"#{template}:controller",
|
|
"#{template}:scaffold",
|
|
"#{template}:mailer",
|
|
"#{css}:scaffold",
|
|
"#{css}:assets",
|
|
"css:assets",
|
|
"css:scaffold"
|
|
]
|
|
end
|
|
end
|
|
|
|
class << self
|
|
def hide_namespaces(*namespaces)
|
|
hidden_namespaces.concat(namespaces)
|
|
end
|
|
alias hide_namespace hide_namespaces
|
|
end
|
|
|
|
# Show help message with available generators.
|
|
def self.help(command = 'generate')
|
|
lookup!
|
|
|
|
namespaces = subclasses.map{ |k| k.namespace }
|
|
namespaces.sort!
|
|
|
|
groups = Hash.new { |h,k| h[k] = [] }
|
|
namespaces.each do |namespace|
|
|
base = namespace.split(':').first
|
|
groups[base] << namespace
|
|
end
|
|
|
|
puts "Usage: rails #{command} GENERATOR [args] [options]"
|
|
puts
|
|
puts "General options:"
|
|
puts " -h, [--help] # Print generator's options and usage"
|
|
puts " -p, [--pretend] # Run but do not make any changes"
|
|
puts " -f, [--force] # Overwrite files that already exist"
|
|
puts " -s, [--skip] # Skip files that already exist"
|
|
puts " -q, [--quiet] # Suppress status output"
|
|
puts
|
|
puts "Please choose a generator below."
|
|
puts
|
|
|
|
# Print Rails defaults first.
|
|
rails = groups.delete("rails")
|
|
rails.map! { |n| n.sub(/^rails:/, '') }
|
|
rails.delete("app")
|
|
rails.delete("plugin_new")
|
|
print_list("rails", rails)
|
|
|
|
hidden_namespaces.each {|n| groups.delete(n.to_s) }
|
|
|
|
groups.sort.each { |b, n| print_list(b, n) }
|
|
end
|
|
|
|
protected
|
|
|
|
# Prints a list of generators.
|
|
def self.print_list(base, namespaces) #:nodoc:
|
|
namespaces = namespaces.reject do |n|
|
|
hidden_namespaces.include?(n)
|
|
end
|
|
|
|
return if namespaces.empty?
|
|
puts "#{base.camelize}:"
|
|
|
|
namespaces.each do |namespace|
|
|
puts(" #{namespace}")
|
|
end
|
|
|
|
puts
|
|
end
|
|
|
|
# Try fallbacks for the given base.
|
|
def self.invoke_fallbacks_for(name, base) #:nodoc:
|
|
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(namespaces) #:nodoc:
|
|
paths = namespaces_to_paths(namespaces)
|
|
|
|
paths.each do |raw_path|
|
|
["rails/generators", "generators"].each do |base|
|
|
path = "#{base}/#{raw_path}_generator"
|
|
|
|
begin
|
|
require path
|
|
return
|
|
rescue LoadError => e
|
|
raise unless e.message =~ /#{Regexp.escape(path)}$/
|
|
rescue Exception => e
|
|
warn "[WARNING] Could not load generator #{path.inspect}. Error: #{e.message}.\n#{e.backtrace.join("\n")}"
|
|
end
|
|
end
|
|
end
|
|
end
|
|
|
|
# This will try to load any generator in the load path to show in help.
|
|
def self.lookup! #:nodoc:
|
|
$LOAD_PATH.each do |base|
|
|
Dir[File.join(base, "{rails/generators,generators}", "**", "*_generator.rb")].each do |path|
|
|
begin
|
|
path = path.sub("#{base}/", "")
|
|
require path
|
|
rescue Exception
|
|
# No problem
|
|
end
|
|
end
|
|
end
|
|
end
|
|
|
|
# Convert namespaces to paths by replacing ":" for "/" and adding
|
|
# an extra lookup. For example, "rails:model" should be searched
|
|
# in both: "rails/model/model_generator" and "rails/model_generator".
|
|
def self.namespaces_to_paths(namespaces) #:nodoc:
|
|
paths = []
|
|
namespaces.each do |namespace|
|
|
pieces = namespace.split(":")
|
|
paths << pieces.dup.push(pieces.last).join("/")
|
|
paths << pieces.join("/")
|
|
end
|
|
paths.uniq!
|
|
paths
|
|
end
|
|
end
|
|
end
|