rails--rails/railties/lib/rails/railtie/configuration.rb

79 lines
2.3 KiB
Ruby

require 'rails/configuration'
module Rails
class Railtie
class Configuration
def initialize
@@options ||= {}
end
# This allows you to modify the application's middlewares from Engines.
#
# All operations you run on the app_middleware will be replayed on the
# application once it is defined and the default_middlewares are
# created
def app_middleware
@@app_middleware ||= Rails::Configuration::MiddlewareStackProxy.new
end
# This allows you to modify application's generators from Railties.
#
# Values set on app_generators will become defaults for application, unless
# application overwrites them.
def app_generators
@@app_generators ||= Rails::Configuration::Generators.new
yield(@@app_generators) if block_given?
@@app_generators
end
# First configurable block to run. Called before any initializers are run.
def before_configuration(&block)
ActiveSupport.on_load(:before_configuration, :yield => true, &block)
end
# Third configurable block to run. Does not run if config.cache_classes
# set to false.
def before_eager_load(&block)
ActiveSupport.on_load(:before_eager_load, :yield => true, &block)
end
# Second configurable block to run. Called before frameworks initialize.
def before_initialize(&block)
ActiveSupport.on_load(:before_initialize, :yield => true, &block)
end
# Last configurable block to run. Called after frameworks initialize.
def after_initialize(&block)
ActiveSupport.on_load(:after_initialize, :yield => true, &block)
end
# Array of callbacks defined by #to_prepare.
def to_prepare_blocks
@@to_prepare_blocks ||= []
end
# Defines generic callbacks to run before #after_initialize. Useful for
# Rails::Railtie subclasses.
def to_prepare(&blk)
to_prepare_blocks << blk if blk
end
def respond_to?(name)
super || @@options.key?(name.to_sym)
end
private
def method_missing(name, *args, &blk)
if name.to_s =~ /=$/
@@options[$`.to_sym] = args.first
elsif @@options.key?(name)
@@options[name]
else
super
end
end
end
end
end