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require 'active_support/ordered_options'
module Rails
# Temporarily separate the plugin configuration class from the main
# configuration class while this bit is being cleaned up.
class Railtie::Configuration
def self.default
@default ||= new
end
def self.default_middleware_stack
ActionDispatch::MiddlewareStack.new.tap do |middleware|
middleware.use('ActionDispatch::Static', lambda { Rails.public_path }, :if => lambda { Rails.application.config.serve_static_assets })
middleware.use('::Rack::Lock', :if => lambda { !ActionController::Base.allow_concurrency })
middleware.use('::Rack::Runtime')
middleware.use('ActionDispatch::ShowExceptions', lambda { ActionController::Base.consider_all_requests_local })
middleware.use('ActionDispatch::Notifications')
middleware.use('ActionDispatch::Callbacks', lambda { !Rails.application.config.cache_classes })
middleware.use('ActionDispatch::Cookies')
middleware.use(lambda { ActionController::Base.session_store }, lambda { ActionController::Base.session_options })
middleware.use('ActionDispatch::Flash', :if => lambda { ActionController::Base.session_store })
middleware.use(lambda { Rails::Rack::Metal.new(Rails.application.config.paths.app.metals.to_a, Rails.application.config.metals) })
middleware.use('ActionDispatch::ParamsParser')
middleware.use('::Rack::MethodOverride')
middleware.use('::ActionDispatch::Head')
end
end
attr_reader :middleware
def initialize(base = nil)
if base
@options = base.options.dup
@middleware = base.middleware.dup
else
@options = Hash.new { |h,k| h[k] = ActiveSupport::OrderedOptions.new }
@middleware = self.class.default_middleware_stack
end
end
def respond_to?(name)
super || name.to_s =~ config_key_regexp
end
protected
attr_reader :options
private
def method_missing(name, *args, &blk)
if name.to_s =~ config_key_regexp
return $2 == '=' ? @options[$1] = args.first : @options[$1]
end
super
end
def config_key_regexp
bits = config_keys.map { |n| Regexp.escape(n.to_s) }.join('|')
/^(#{bits})(?:=)?$/
end
def config_keys
([ :active_support, :action_view ] +
Railtie.plugin_names).map { |n| n.to_s }.uniq
end
end
class Configuration < Railtie::Configuration
attr_accessor :after_initialize_blocks, :cache_classes, :colorize_logging,
:consider_all_requests_local, :dependency_loading,
:load_once_paths, :logger, :metals, :plugins,
:preload_frameworks, :reload_plugins, :serve_static_assets,
:time_zone, :whiny_nils
attr_writer :cache_store, :controller_paths,
:database_configuration_file, :eager_load_paths,
:i18n, :load_paths, :log_level, :log_path, :paths,
:routes_configuration_file, :view_path
def initialize(base = nil)
super
@load_once_paths = []
@after_initialize_blocks = []
@dependency_loading = true
@serve_static_assets = true
end
def after_initialize(&blk)
@after_initialize_blocks << blk if blk
end
def root
@root ||= begin
call_stack = caller.map { |p| p.split(':').first }
root_path = call_stack.detect { |p| p !~ %r[railties/lib/rails|rack/lib/rack] }
root_path = File.dirname(root_path)
while root_path && File.directory?(root_path) && !File.exist?("#{root_path}/config.ru")
parent = File.dirname(root_path)
root_path = parent != root_path && parent
end
root = File.exist?("#{root_path}/config.ru") ? root_path : Dir.pwd
RUBY_PLATFORM =~ /(:?mswin|mingw)/ ?
Pathname.new(root).expand_path :
Pathname.new(root).realpath
end
end
def root=(root)
@root = Pathname.new(root).expand_path
end
def paths
@paths ||= begin
paths = Rails::Application::Root.new(root)
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"
paths
end
end
def frameworks(*args)
raise "config.frameworks in no longer supported. See the generated " \
"config/boot.rb for steps on how to limit the frameworks that " \
"will be loaded"
end
alias frameworks= frameworks
# 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
if respond_to?(:action_controller)
action_controller.allow_concurrency = true
end
self
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 routes_configuration_file
@routes_configuration_file ||= File.join(root, 'config', 'routes.rb')
end
def builtin_routes_configuration_file
@builtin_routes_configuration_file ||= File.join(RAILTIES_PATH, 'builtin', 'routes.rb')
end
def controller_paths
@controller_paths ||= begin
paths = [File.join(root, 'app', 'controllers')]
paths.concat builtin_directories
paths
end
end
def cache_store
@cache_store ||= begin
if File.exist?("#{root}/tmp/cache/")
[ :file_store, "#{root}/tmp/cache/" ]
else
:memory_store
end
end
end
def database_configuration_file
@database_configuration_file ||= File.join(root, 'config', 'database.yml')
end
def view_path
@view_path ||= File.join(root, 'app', 'views')
end
def eager_load_paths
@eager_load_paths ||= ["#{root}/app/*"]
end
def load_paths
@load_paths ||= begin
paths = []
# Add the old mock paths only if the directories exists
paths.concat(Dir["#{root}/test/mocks/#{Rails.env}"]) if File.exists?("#{root}/test/mocks/#{Rails.env}")
# Followed by the standard includes.
paths.concat %w(
app
app/*
lib
vendor
).map { |dir| "#{root}/#{dir}" }
paths.concat builtin_directories
end
end
def builtin_directories
# Include builtins only in the development environment.
Rails.env.development? ? Dir["#{RAILTIES_PATH}/builtin/*/"] : []
end
def log_path
@log_path ||= File.join(root, 'log', "#{Rails.env}.log")
end
def log_level
@log_level ||= Rails.env.production? ? :info : :debug
end
def time_zone
@time_zone ||= "UTC"
end
def i18n
@i18n ||= begin
i18n = ActiveSupport::OrderedOptions.new
i18n.load_path = []
if File.exist?(File.join(root, 'config', 'locales'))
i18n.load_path << Dir[File.join(root, 'config', 'locales', '*.{rb,yml}')]
i18n.load_path.flatten!
end
i18n
end
end
def filter_parameters(*filter_words, &block)
ActionDispatch::Request.filter_parameters(*filter_words, &block)
end
def environment_path
"#{root}/config/environments/#{Rails.env}.rb"
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
# Allow Notifications queue to be modified or add subscriptions:
#
# config.notifications.queue = MyNewQueue.new
#
# config.notifications.subscribe /action_dispatch.show_exception/ do |*args|
# ExceptionDeliver.deliver_exception(args)
# end
#
def notifications
ActiveSupport::Notifications
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
if method == :rails
namespace, configuration = :rails, args.shift
elsif args.first.is_a?(Hash)
namespace, configuration = method, args.shift
else
namespace, configuration = args.shift, args.shift
@options[:rails][method] = namespace
end
if configuration
aliases = configuration.delete(:aliases)
@aliases[namespace].merge!(aliases) if aliases
@options[namespace].merge!(configuration)
end
end
end
end
end
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