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rails--rails/railties/lib/rails/configuration.rb
2009-08-09 05:52:49 -03:00

300 lines
9.9 KiB
Ruby

module Rails
class Configuration
attr_accessor :cache_classes, :load_paths, :eager_load_paths, :framework_paths,
:load_once_paths, :gems_dependencies_loaded, :after_initialize_blocks,
:frameworks, :framework_root_path, :root_path, :plugin_paths, :plugins,
:plugin_loader, :plugin_locators, :gems, :loaded_plugins, :reload_plugins,
:i18n, :gems, :whiny_nils, :consider_all_requests_local,
:action_controller, :active_record, :action_view, :active_support,
:action_mailer, :active_resource,
:log_path, :log_level, :logger, :preload_frameworks,
:database_configuration_file, :cache_store, :time_zone,
:view_path, :metals, :controller_paths, :routes_configuration_file,
:eager_load_paths, :dependency_loading, :paths
def initialize
set_root_path!
@framework_paths = []
@load_once_paths = []
@after_initialize_blocks = []
@loaded_plugins = []
@dependency_loading = true
@eager_load_paths = default_eager_load_paths
@load_paths = default_load_paths
@plugin_paths = default_plugin_paths
@frameworks = default_frameworks
@plugin_loader = default_plugin_loader
@plugin_locators = default_plugin_locators
@gems = default_gems
@i18n = default_i18n
@log_path = default_log_path
@log_level = default_log_level
@cache_store = default_cache_store
@view_path = default_view_path
@controller_paths = default_controller_paths
@routes_configuration_file = default_routes_configuration_file
@database_configuration_file = default_database_configuration_file
for framework in default_frameworks
self.send("#{framework}=", Rails::OrderedOptions.new)
end
self.active_support = Rails::OrderedOptions.new
end
def after_initialize(&blk)
@after_initialize_blocks << blk if blk
end
def set_root_path!
raise 'RAILS_ROOT is not set' unless defined?(RAILS_ROOT)
raise 'RAILS_ROOT is not a directory' unless File.directory?(RAILS_ROOT)
self.root_path =
# Pathname is incompatible with Windows, but Windows doesn't have
# real symlinks so File.expand_path is safe.
if RUBY_PLATFORM =~ /(:?mswin|mingw)/
File.expand_path(RAILS_ROOT)
# Otherwise use Pathname#realpath which respects symlinks.
else
Pathname.new(RAILS_ROOT).realpath.to_s
end
@paths = Rails::Application::Root.new(root_path)
@paths.app "app", :load_path => true
@paths.app.metals "app/metal", :eager_load => true
@paths.app.models "app/models", :eager_load => true
@paths.app.controllers "app/controllers", builtin_directories, :eager_load => true
@paths.app.helpers "app/helpers", :eager_load => true
@paths.app.services "app/services", :load_path => true
@paths.lib "lib", :load_path => true
@paths.vendor "vendor", :load_path => true
@paths.vendor.plugins "vendor/plugins"
@paths.tmp "tmp"
@paths.tmp.cache "tmp/cache"
@paths.config "config"
@paths.config.locales "config/locales"
@paths.config.environments "config/environments", :glob => "#{RAILS_ENV}.rb"
RAILS_ROOT.replace root_path
end
# Enable threaded mode. Allows concurrent requests to controller actions and
# multiple database connections. Also disables automatic dependency loading
# after boot, and disables reloading code on every request, as these are
# fundamentally incompatible with thread safety.
def threadsafe!
self.preload_frameworks = true
self.cache_classes = true
self.dependency_loading = false
self.action_controller.allow_concurrency = true
self
end
def framework_paths
paths = %w(railties railties/lib activesupport/lib)
paths << 'actionpack/lib' if frameworks.include?(:action_controller) || frameworks.include?(:action_view)
[:active_record, :action_mailer, :active_resource, :action_web_service].each do |framework|
paths << "#{framework.to_s.gsub('_', '')}/lib" if frameworks.include?(framework)
end
paths.map { |dir| "#{framework_root_path}/#{dir}" }.select { |dir| File.directory?(dir) }
end
def framework_root_path
defined?(::RAILS_FRAMEWORK_ROOT) ? ::RAILS_FRAMEWORK_ROOT : "#{root_path}/vendor/rails"
end
# TODO: Fix this when there is an application object
def middleware
ActionController::Dispatcher.middleware
end
# Loads and returns the contents of the #database_configuration_file. The
# contents of the file are processed via ERB before being sent through
# YAML::load.
def database_configuration
require 'erb'
YAML::load(ERB.new(IO.read(database_configuration_file)).result)
end
def default_routes_configuration_file
File.join(root_path, 'config', 'routes.rb')
end
def default_controller_paths
paths = [File.join(root_path, 'app', 'controllers')]
paths.concat builtin_directories
paths
end
def default_cache_store
if File.exist?("#{root_path}/tmp/cache/")
[ :file_store, "#{root_path}/tmp/cache/" ]
else
:memory_store
end
end
def default_database_configuration_file
File.join(root_path, 'config', 'database.yml')
end
def default_view_path
File.join(root_path, 'app', 'views')
end
def default_eager_load_paths
%w(
app/metal
app/models
app/controllers
app/helpers
).map { |dir| "#{root_path}/#{dir}" }.select { |dir| File.directory?(dir) }
end
def default_load_paths
paths = []
# Add the old mock paths only if the directories exists
paths.concat(Dir["#{root_path}/test/mocks/#{RAILS_ENV}"]) if File.exists?("#{root_path}/test/mocks/#{RAILS_ENV}")
# Add the app's controller directory
paths.concat(Dir["#{root_path}/app/controllers/"])
# Followed by the standard includes.
paths.concat %w(
app
app/metal
app/models
app/controllers
app/helpers
app/services
lib
vendor
).map { |dir| "#{root_path}/#{dir}" }.select { |dir| File.directory?(dir) }
paths.concat builtin_directories
end
def builtin_directories
# Include builtins only in the development environment.
(RAILS_ENV == 'development') ? Dir["#{RAILTIES_PATH}/builtin/*/"] : []
end
def default_log_path
File.join(root_path, 'log', "#{RAILS_ENV}.log")
end
def default_log_level
RAILS_ENV == 'production' ? :info : :debug
end
def default_frameworks
[ :active_record, :action_controller, :action_view, :action_mailer, :active_resource ]
end
def default_plugin_paths
["#{root_path}/vendor/plugins"]
end
def default_plugin_loader
require 'rails/plugin/loader'
Plugin::Loader
end
def default_plugin_locators
require 'rails/plugin/locator'
locators = []
locators << Plugin::GemLocator if defined? Gem
locators << Plugin::FileSystemLocator
end
def default_i18n
i18n = Rails::OrderedOptions.new
i18n.load_path = []
if File.exist?(File.join(RAILS_ROOT, 'config', 'locales'))
i18n.load_path << Dir[File.join(RAILS_ROOT, 'config', 'locales', '*.{rb,yml}')]
i18n.load_path.flatten!
end
i18n
end
# Adds a single Gem dependency to the rails application. By default, it will require
# the library with the same name as the gem. Use :lib to specify a different name.
#
# # gem 'aws-s3', '>= 0.4.0'
# # require 'aws/s3'
# config.gem 'aws-s3', :lib => 'aws/s3', :version => '>= 0.4.0', \
# :source => "http://code.whytheluckystiff.net"
#
# To require a library be installed, but not attempt to load it, pass :lib => false
#
# config.gem 'qrp', :version => '0.4.1', :lib => false
def gem(name, options = {})
@gems << Rails::GemDependency.new(name, options)
end
def default_gems
[]
end
def environment_path
"#{root_path}/config/environments/#{RAILS_ENV}.rb"
end
def reload_plugins?
@reload_plugins
end
# Holds generators configuration:
#
# config.generators do |g|
# g.orm :datamapper, :migration => true
# g.template_engine :haml
# g.test_framework :rspec
# end
#
# If you want to disable color in console, do:
#
# config.generators.colorize_logging = false
#
def generators
@generators ||= Generators.new
if block_given?
yield @generators
else
@generators
end
end
class Generators #:nodoc:
attr_accessor :aliases, :options, :colorize_logging
def initialize
@aliases = Hash.new { |h,k| h[k] = {} }
@options = Hash.new { |h,k| h[k] = {} }
@colorize_logging = true
end
def method_missing(method, *args)
method = method.to_s.sub(/=$/, '').to_sym
namespace = args.first.is_a?(Symbol) ? args.shift : nil
configuration = args.first.is_a?(Hash) ? args.shift : nil
@options[:rails][method] = namespace if namespace
namespace ||= method
if configuration
aliases = configuration.delete(:aliases)
@aliases[namespace].merge!(aliases) if aliases
@options[namespace].merge!(configuration)
end
end
end
end
end