actionpack/lib/action_controller.rb


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activesupport_path = File.expand_path('../../../activesupport/lib', __FILE__)
$:.unshift(activesupport_path) if File.directory?(activesupport_path) && !$:.include?(activesupport_path)
require 'active_support/ruby/shim'

module ActionController
  extend ActiveSupport::Autoload

  deferrable do
    autoload :Base
    autoload :Caching
    autoload :PolymorphicRoutes
    autoload :Translation
    autoload :Metal
    autoload :Middleware

    autoload_under "metal" do
      autoload :Benchmarking
      autoload :ConditionalGet
      autoload :Configuration
      autoload :Head
      autoload :Helpers
      autoload :HideActions
      autoload :Layouts
      autoload :MimeResponds
      autoload :RackDelegation
      autoload :Compatibility
      autoload :Redirecting
      autoload :Rendering
      autoload :Renderers
      autoload :Rescue
      autoload :Responder
      autoload :SessionManagement
      autoload :UrlFor
      autoload :Verification
      autoload :Flash
      autoload :RequestForgeryProtection
      autoload :Streaming
      autoload :HttpAuthentication
      autoload :FilterParameterLogging
      autoload :Cookies
    end

    autoload :Dispatcher,      'action_controller/dispatch/dispatcher'
    autoload :PerformanceTest, 'action_controller/deprecated/performance_test'
    autoload :Routing,         'action_controller/deprecated'
    autoload :Integration,     'action_controller/deprecated/integration_test'
    autoload :IntegrationTest, 'action_controller/deprecated/integration_test'
  end

  autoload :RecordIdentifier
  autoload :UrlRewriter
  autoload :UrlWriter,                'action_controller/url_rewriter'

  # TODO: Don't autoload exceptions, setup explicit
  # requires for files that need them
  autoload_at "action_controller/metal/exceptions" do
    autoload :ActionControllerError
    autoload :RenderError
    autoload :RoutingError
    autoload :MethodNotAllowed
    autoload :NotImplemented
    autoload :UnknownController
    autoload :MissingFile
    autoload :RenderError
    autoload :SessionOverflowError
    autoload :UnknownHttpMethod
  end
end

# All of these simply register additional autoloads
require 'abstract_controller'
require 'action_dispatch'
require 'action_view'
require 'action_controller/vendor/html-scanner'

# Common ActiveSupport usage in ActionController
require "active_support/concern"
require 'active_support/core_ext/class/attribute_accessors'
require 'active_support/core_ext/load_error'
require 'active_support/core_ext/module/attr_internal'
require 'active_support/core_ext/module/delegation'
require 'active_support/core_ext/name_error'
require 'active_support/inflector'