X-Git-Url: https://git.njae.me.uk/?a=blobdiff_plain;f=vendor%2Frails%2Frailties%2Flib%2Finitializer.rb;fp=vendor%2Frails%2Frailties%2Flib%2Finitializer.rb;h=16abe62d1b03e78c59e574e143c0d19c65f68ec4;hb=d115f2e23823271635bad69229a42cd8ac68debe;hp=0000000000000000000000000000000000000000;hpb=37cb670bf3ddde90b214e591f100ed4446469484;p=depot.git diff --git a/vendor/rails/railties/lib/initializer.rb b/vendor/rails/railties/lib/initializer.rb new file mode 100644 index 0000000..16abe62 --- /dev/null +++ b/vendor/rails/railties/lib/initializer.rb @@ -0,0 +1,1038 @@ +require 'logger' +require 'set' +require 'pathname' + +$LOAD_PATH.unshift File.dirname(__FILE__) +require 'railties_path' +require 'rails/version' +require 'rails/plugin/locator' +require 'rails/plugin/loader' +require 'rails/gem_dependency' +require 'rails/rack' + + +RAILS_ENV = (ENV['RAILS_ENV'] || 'development').dup unless defined?(RAILS_ENV) + +module Rails + class << self + # The Configuration instance used to configure the Rails environment + def configuration + @@configuration + end + + def configuration=(configuration) + @@configuration = configuration + end + + def initialized? + @initialized || false + end + + def initialized=(initialized) + @initialized ||= initialized + end + + def logger + if defined?(RAILS_DEFAULT_LOGGER) + RAILS_DEFAULT_LOGGER + else + nil + end + end + + def root + if defined?(RAILS_ROOT) + RAILS_ROOT + else + nil + end + end + + def env + @_env ||= begin + require 'active_support/string_inquirer' + ActiveSupport::StringInquirer.new(RAILS_ENV) + end + end + + def cache + RAILS_CACHE + end + + def version + VERSION::STRING + end + + def public_path + @@public_path ||= self.root ? File.join(self.root, "public") : "public" + end + + def public_path=(path) + @@public_path = path + end + end + + # The Initializer is responsible for processing the Rails configuration, such + # as setting the $LOAD_PATH, requiring the right frameworks, initializing + # logging, and more. It can be run either as a single command that'll just + # use the default configuration, like this: + # + # Rails::Initializer.run + # + # But normally it's more interesting to pass in a custom configuration + # through the block running: + # + # Rails::Initializer.run do |config| + # config.frameworks -= [ :action_mailer ] + # end + # + # This will use the default configuration options from Rails::Configuration, + # but allow for overwriting on select areas. + class Initializer + # The Configuration instance used by this Initializer instance. + attr_reader :configuration + + # The set of loaded plugins. + attr_reader :loaded_plugins + + # Whether or not all the gem dependencies have been met + attr_reader :gems_dependencies_loaded + + # Runs the initializer. By default, this will invoke the #process method, + # which simply executes all of the initialization routines. Alternately, + # you can specify explicitly which initialization routine you want: + # + # Rails::Initializer.run(:set_load_path) + # + # This is useful if you only want the load path initialized, without + # incurring the overhead of completely loading the entire environment. + def self.run(command = :process, configuration = Configuration.new) + yield configuration if block_given? + initializer = new configuration + initializer.send(command) + initializer + end + + # Create a new Initializer instance that references the given Configuration + # instance. + def initialize(configuration) + @configuration = configuration + @loaded_plugins = [] + end + + # Sequentially step through all of the available initialization routines, + # in order (view execution order in source). + def process + Rails.configuration = configuration + + check_ruby_version + install_gem_spec_stubs + set_load_path + add_gem_load_paths + + require_frameworks + set_autoload_paths + add_plugin_load_paths + load_environment + + initialize_encoding + initialize_database + + initialize_cache + initialize_framework_caches + + initialize_logger + initialize_framework_logging + + initialize_dependency_mechanism + initialize_whiny_nils + initialize_temporary_session_directory + + initialize_time_zone + initialize_i18n + + initialize_framework_settings + initialize_framework_views + + add_support_load_paths + + load_gems + load_plugins + + # pick up any gems that plugins depend on + add_gem_load_paths + load_gems + check_gem_dependencies + + load_application_initializers + + # the framework is now fully initialized + after_initialize + + # Prepare dispatcher callbacks and run 'prepare' callbacks + prepare_dispatcher + + # Routing must be initialized after plugins to allow the former to extend the routes + initialize_routing + + # Observers are loaded after plugins in case Observers or observed models are modified by plugins. + load_observers + + # Load view path cache + load_view_paths + + # Load application classes + load_application_classes + + # Disable dependency loading during request cycle + disable_dependency_loading + + # Flag initialized + Rails.initialized = true + end + + # Check for valid Ruby version + # This is done in an external file, so we can use it + # from the `rails` program as well without duplication. + def check_ruby_version + require 'ruby_version_check' + end + + # If Rails is vendored and RubyGems is available, install stub GemSpecs + # for Rails, Active Support, Active Record, Action Pack, Action Mailer, and + # Active Resource. This allows Gem plugins to depend on Rails even when + # the Gem version of Rails shouldn't be loaded. + def install_gem_spec_stubs + unless Rails.respond_to?(:vendor_rails?) + abort %{Your config/boot.rb is outdated: Run "rake rails:update".} + end + + if Rails.vendor_rails? + begin; require "rubygems"; rescue LoadError; return; end + + stubs = %w(rails activesupport activerecord actionpack actionmailer activeresource) + stubs.reject! { |s| Gem.loaded_specs.key?(s) } + + stubs.each do |stub| + Gem.loaded_specs[stub] = Gem::Specification.new do |s| + s.name = stub + s.version = Rails::VERSION::STRING + s.loaded_from = "" + end + end + end + end + + # Set the $LOAD_PATH based on the value of + # Configuration#load_paths. Duplicates are removed. + def set_load_path + load_paths = configuration.load_paths + configuration.framework_paths + load_paths.reverse_each { |dir| $LOAD_PATH.unshift(dir) if File.directory?(dir) } + $LOAD_PATH.uniq! + end + + # Set the paths from which Rails will automatically load source files, and + # the load_once paths. + def set_autoload_paths + ActiveSupport::Dependencies.load_paths = configuration.load_paths.uniq + ActiveSupport::Dependencies.load_once_paths = configuration.load_once_paths.uniq + + extra = ActiveSupport::Dependencies.load_once_paths - ActiveSupport::Dependencies.load_paths + unless extra.empty? + abort <<-end_error + load_once_paths must be a subset of the load_paths. + Extra items in load_once_paths: #{extra * ','} + end_error + end + + # Freeze the arrays so future modifications will fail rather than do nothing mysteriously + configuration.load_once_paths.freeze + end + + # Requires all frameworks specified by the Configuration#frameworks + # list. By default, all frameworks (Active Record, Active Support, + # Action Pack, Action Mailer, and Active Resource) are loaded. + def require_frameworks + configuration.frameworks.each { |framework| require(framework.to_s) } + rescue LoadError => e + # re-raise because Mongrel would swallow it + raise e.to_s + end + + # Add the load paths used by support functions such as the info controller + def add_support_load_paths + end + + # Adds all load paths from plugins to the global set of load paths, so that + # code from plugins can be required (explicitly or automatically via ActiveSupport::Dependencies). + def add_plugin_load_paths + plugin_loader.add_plugin_load_paths + end + + def add_gem_load_paths + Rails::GemDependency.add_frozen_gem_path + unless @configuration.gems.empty? + require "rubygems" + @configuration.gems.each { |gem| gem.add_load_paths } + end + end + + def load_gems + @configuration.gems.each { |gem| gem.load } + end + + def check_gem_dependencies + unloaded_gems = @configuration.gems.reject { |g| g.loaded? } + if unloaded_gems.size > 0 + @gems_dependencies_loaded = false + # don't print if the gems rake tasks are being run + unless $rails_gem_installer + abort <<-end_error +Missing these required gems: + #{unloaded_gems.map { |gem| "#{gem.name} #{gem.requirement}" } * "\n "} + +You're running: + ruby #{Gem.ruby_version} at #{Gem.ruby} + rubygems #{Gem::RubyGemsVersion} at #{Gem.path * ', '} + +Run `rake gems:install` to install the missing gems. + end_error + end + else + @gems_dependencies_loaded = true + end + end + + # Loads all plugins in config.plugin_paths. plugin_paths + # defaults to vendor/plugins but may also be set to a list of + # paths, such as + # config.plugin_paths = ["#{RAILS_ROOT}/lib/plugins", "#{RAILS_ROOT}/vendor/plugins"] + # + # In the default implementation, as each plugin discovered in plugin_paths is initialized: + # * its +lib+ directory, if present, is added to the load path (immediately after the applications lib directory) + # * init.rb is evaluated, if present + # + # After all plugins are loaded, duplicates are removed from the load path. + # If an array of plugin names is specified in config.plugins, only those plugins will be loaded + # and they plugins will be loaded in that order. Otherwise, plugins are loaded in alphabetical + # order. + # + # if config.plugins ends contains :all then the named plugins will be loaded in the given order and all other + # plugins will be loaded in alphabetical order + def load_plugins + plugin_loader.load_plugins + end + + def plugin_loader + @plugin_loader ||= configuration.plugin_loader.new(self) + end + + # Loads the environment specified by Configuration#environment_path, which + # is typically one of development, test, or production. + def load_environment + silence_warnings do + return if @environment_loaded + @environment_loaded = true + + config = configuration + constants = self.class.constants + + eval(IO.read(configuration.environment_path), binding, configuration.environment_path) + + (self.class.constants - constants).each do |const| + Object.const_set(const, self.class.const_get(const)) + end + end + end + + def load_observers + if gems_dependencies_loaded && configuration.frameworks.include?(:active_record) + ActiveRecord::Base.instantiate_observers + end + end + + def load_view_paths + if configuration.frameworks.include?(:action_view) + ActionView::PathSet::Path.eager_load_templates! if configuration.cache_classes + ActionController::Base.view_paths.load if configuration.frameworks.include?(:action_controller) + ActionMailer::Base.template_root.load if configuration.frameworks.include?(:action_mailer) + end + end + + # Eager load application classes + def load_application_classes + if configuration.cache_classes + configuration.eager_load_paths.each do |load_path| + matcher = /\A#{Regexp.escape(load_path)}(.*)\.rb\Z/ + Dir.glob("#{load_path}/**/*.rb").sort.each do |file| + require_dependency file.sub(matcher, '\1') + end + end + end + end + + # For Ruby 1.8, this initialization sets $KCODE to 'u' to enable the + # multibyte safe operations. Plugin authors supporting other encodings + # should override this behaviour and set the relevant +default_charset+ + # on ActionController::Base. + # + # For Ruby 1.9, this does nothing. Specify the default encoding in the Ruby + # shebang line if you don't want UTF-8. + def initialize_encoding + $KCODE='u' if RUBY_VERSION < '1.9' + end + + # This initialization routine does nothing unless :active_record + # is one of the frameworks to load (Configuration#frameworks). If it is, + # this sets the database configuration from Configuration#database_configuration + # and then establishes the connection. + def initialize_database + if configuration.frameworks.include?(:active_record) + ActiveRecord::Base.configurations = configuration.database_configuration + ActiveRecord::Base.establish_connection + end + end + + def initialize_cache + unless defined?(RAILS_CACHE) + silence_warnings { Object.const_set "RAILS_CACHE", ActiveSupport::Cache.lookup_store(configuration.cache_store) } + end + end + + def initialize_framework_caches + if configuration.frameworks.include?(:action_controller) + ActionController::Base.cache_store ||= RAILS_CACHE + end + end + + # If the RAILS_DEFAULT_LOGGER constant is already set, this initialization + # routine does nothing. If the constant is not set, and Configuration#logger + # is not +nil+, this also does nothing. Otherwise, a new logger instance + # is created at Configuration#log_path, with a default log level of + # Configuration#log_level. + # + # If the log could not be created, the log will be set to output to + # +STDERR+, with a log level of +WARN+. + def initialize_logger + # if the environment has explicitly defined a logger, use it + return if Rails.logger + + unless logger = configuration.logger + begin + logger = ActiveSupport::BufferedLogger.new(configuration.log_path) + logger.level = ActiveSupport::BufferedLogger.const_get(configuration.log_level.to_s.upcase) + if configuration.environment == "production" + logger.auto_flushing = false + end + rescue StandardError => e + logger = ActiveSupport::BufferedLogger.new(STDERR) + logger.level = ActiveSupport::BufferedLogger::WARN + logger.warn( + "Rails Error: Unable to access log file. Please ensure that #{configuration.log_path} exists and is chmod 0666. " + + "The log level has been raised to WARN and the output directed to STDERR until the problem is fixed." + ) + end + end + + silence_warnings { Object.const_set "RAILS_DEFAULT_LOGGER", logger } + end + + # Sets the logger for Active Record, Action Controller, and Action Mailer + # (but only for those frameworks that are to be loaded). If the framework's + # logger is already set, it is not changed, otherwise it is set to use + # RAILS_DEFAULT_LOGGER. + def initialize_framework_logging + for framework in ([ :active_record, :action_controller, :action_mailer ] & configuration.frameworks) + framework.to_s.camelize.constantize.const_get("Base").logger ||= Rails.logger + end + + ActiveSupport::Dependencies.logger ||= Rails.logger + Rails.cache.logger ||= Rails.logger + end + + # Sets +ActionController::Base#view_paths+ and +ActionMailer::Base#template_root+ + # (but only for those frameworks that are to be loaded). If the framework's + # paths have already been set, it is not changed, otherwise it is + # set to use Configuration#view_path. + def initialize_framework_views + if configuration.frameworks.include?(:action_view) + view_path = ActionView::PathSet::Path.new(configuration.view_path, false) + ActionMailer::Base.template_root ||= view_path if configuration.frameworks.include?(:action_mailer) + ActionController::Base.view_paths = view_path if configuration.frameworks.include?(:action_controller) && ActionController::Base.view_paths.empty? + end + end + + # If Action Controller is not one of the loaded frameworks (Configuration#frameworks) + # this does nothing. Otherwise, it loads the routing definitions and sets up + # loading module used to lazily load controllers (Configuration#controller_paths). + def initialize_routing + return unless configuration.frameworks.include?(:action_controller) + ActionController::Routing.controller_paths = configuration.controller_paths + ActionController::Routing::Routes.configuration_file = configuration.routes_configuration_file + ActionController::Routing::Routes.reload + end + + # Sets the dependency loading mechanism based on the value of + # Configuration#cache_classes. + def initialize_dependency_mechanism + ActiveSupport::Dependencies.mechanism = configuration.cache_classes ? :require : :load + end + + # Loads support for "whiny nil" (noisy warnings when methods are invoked + # on +nil+ values) if Configuration#whiny_nils is true. + def initialize_whiny_nils + require('active_support/whiny_nil') if configuration.whiny_nils + end + + def initialize_temporary_session_directory + if configuration.frameworks.include?(:action_controller) + session_path = "#{configuration.root_path}/tmp/sessions/" + ActionController::Base.session_options[:tmpdir] = File.exist?(session_path) ? session_path : Dir::tmpdir + end + end + + # Sets the default value for Time.zone, and turns on ActiveRecord::Base#time_zone_aware_attributes. + # If assigned value cannot be matched to a TimeZone, an exception will be raised. + def initialize_time_zone + if configuration.time_zone + zone_default = Time.__send__(:get_zone, configuration.time_zone) + unless zone_default + raise %{Value assigned to config.time_zone not recognized. Run "rake -D time" for a list of tasks for finding appropriate time zone names.} + end + Time.zone_default = zone_default + if configuration.frameworks.include?(:active_record) + ActiveRecord::Base.time_zone_aware_attributes = true + ActiveRecord::Base.default_timezone = :utc + end + end + end + + # Set the i18n configuration from config.i18n but special-case for the load_path which should be + # appended to what's already set instead of overwritten. + def initialize_i18n + configuration.i18n.each do |setting, value| + if setting == :load_path + I18n.load_path += value + else + I18n.send("#{setting}=", value) + end + end + end + + # Initializes framework-specific settings for each of the loaded frameworks + # (Configuration#frameworks). The available settings map to the accessors + # on each of the corresponding Base classes. + def initialize_framework_settings + configuration.frameworks.each do |framework| + base_class = framework.to_s.camelize.constantize.const_get("Base") + + configuration.send(framework).each do |setting, value| + base_class.send("#{setting}=", value) + end + end + configuration.active_support.each do |setting, value| + ActiveSupport.send("#{setting}=", value) + end + end + + # Fires the user-supplied after_initialize block (Configuration#after_initialize) + def after_initialize + if gems_dependencies_loaded + configuration.after_initialize_blocks.each do |block| + block.call + end + end + end + + def load_application_initializers + if gems_dependencies_loaded + Dir["#{configuration.root_path}/config/initializers/**/*.rb"].sort.each do |initializer| + load(initializer) + end + end + end + + def prepare_dispatcher + return unless configuration.frameworks.include?(:action_controller) + require 'dispatcher' unless defined?(::Dispatcher) + Dispatcher.define_dispatcher_callbacks(configuration.cache_classes) + Dispatcher.new(Rails.logger).send :run_callbacks, :prepare_dispatch + end + + def disable_dependency_loading + if configuration.cache_classes && !configuration.dependency_loading + ActiveSupport::Dependencies.unhook! + end + end + end + + # The Configuration class holds all the parameters for the Initializer and + # ships with defaults that suites most Rails applications. But it's possible + # to overwrite everything. Usually, you'll create an Configuration file + # implicitly through the block running on the Initializer, but it's also + # possible to create the Configuration instance in advance and pass it in + # like this: + # + # config = Rails::Configuration.new + # Rails::Initializer.run(:process, config) + class Configuration + # The application's base directory. + attr_reader :root_path + + # A stub for setting options on ActionController::Base. + attr_accessor :action_controller + + # A stub for setting options on ActionMailer::Base. + attr_accessor :action_mailer + + # A stub for setting options on ActionView::Base. + attr_accessor :action_view + + # A stub for setting options on ActiveRecord::Base. + attr_accessor :active_record + + # A stub for setting options on ActiveResource::Base. + attr_accessor :active_resource + + # A stub for setting options on ActiveSupport. + attr_accessor :active_support + + # Whether or not classes should be cached (set to false if you want + # application classes to be reloaded on each request) + attr_accessor :cache_classes + + # The list of paths that should be searched for controllers. (Defaults + # to app/controllers and components.) + attr_accessor :controller_paths + + # The path to the database configuration file to use. (Defaults to + # config/database.yml.) + attr_accessor :database_configuration_file + + # The path to the routes configuration file to use. (Defaults to + # config/routes.rb.) + attr_accessor :routes_configuration_file + + # The list of rails framework components that should be loaded. (Defaults + # to :active_record, :action_controller, + # :action_view, :action_mailer, and + # :active_resource). + attr_accessor :frameworks + + # An array of additional paths to prepend to the load path. By default, + # all +app+, +lib+, +vendor+ and mock paths are included in this list. + attr_accessor :load_paths + + # An array of paths from which Rails will automatically load from only once. + # All elements of this array must also be in +load_paths+. + attr_accessor :load_once_paths + + # An array of paths from which Rails will eager load on boot if cache + # classes is enabled. All elements of this array must also be in + # +load_paths+. + attr_accessor :eager_load_paths + + # The log level to use for the default Rails logger. In production mode, + # this defaults to :info. In development mode, it defaults to + # :debug. + attr_accessor :log_level + + # The path to the log file to use. Defaults to log/#{environment}.log + # (e.g. log/development.log or log/production.log). + attr_accessor :log_path + + # The specific logger to use. By default, a logger will be created and + # initialized using #log_path and #log_level, but a programmer may + # specifically set the logger to use via this accessor and it will be + # used directly. + attr_accessor :logger + + # The specific cache store to use. By default, the ActiveSupport::Cache::Store will be used. + attr_accessor :cache_store + + # The root of the application's views. (Defaults to app/views.) + attr_accessor :view_path + + # Set to +true+ if you want to be warned (noisily) when you try to invoke + # any method of +nil+. Set to +false+ for the standard Ruby behavior. + attr_accessor :whiny_nils + + # The list of plugins to load. If this is set to nil, all plugins will + # be loaded. If this is set to [], no plugins will be loaded. Otherwise, + # plugins will be loaded in the order specified. + attr_reader :plugins + def plugins=(plugins) + @plugins = plugins.nil? ? nil : plugins.map { |p| p.to_sym } + end + + # The path to the root of the plugins directory. By default, it is in + # vendor/plugins. + attr_accessor :plugin_paths + + # The classes that handle finding the desired plugins that you'd like to load for + # your application. By default it is the Rails::Plugin::FileSystemLocator which finds + # plugins to load in vendor/plugins. You can hook into gem location by subclassing + # Rails::Plugin::Locator and adding it onto the list of plugin_locators. + attr_accessor :plugin_locators + + # The class that handles loading each plugin. Defaults to Rails::Plugin::Loader, but + # a sub class would have access to fine grained modification of the loading behavior. See + # the implementation of Rails::Plugin::Loader for more details. + attr_accessor :plugin_loader + + # Enables or disables plugin reloading. You can get around this setting per plugin. + # If reload_plugins? is false, add this to your plugin's init.rb + # to make it reloadable: + # + # ActiveSupport::Dependencies.load_once_paths.delete lib_path + # + # If reload_plugins? is true, add this to your plugin's init.rb + # to only load it once: + # + # ActiveSupport::Dependencies.load_once_paths << lib_path + # + attr_accessor :reload_plugins + + # Returns true if plugin reloading is enabled. + def reload_plugins? + !!@reload_plugins + end + + # Enables or disables dependency loading during the request cycle. Setting + # dependency_loading to true will allow new classes to be loaded + # during a request. Setting it to false will disable this behavior. + # + # Those who want to run in a threaded environment should disable this + # option and eager load or require all there classes on initialization. + # + # If cache_classes is disabled, dependency loaded will always be + # on. + attr_accessor :dependency_loading + + # An array of gems that this rails application depends on. Rails will automatically load + # these gems during installation, and allow you to install any missing gems with: + # + # rake gems:install + # + # You can add gems with the #gem method. + attr_accessor :gems + + # 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 + + # Deprecated options: + def breakpoint_server(_ = nil) + $stderr.puts %( + ******************************************************************* + * config.breakpoint_server has been deprecated and has no effect. * + ******************************************************************* + ) + end + alias_method :breakpoint_server=, :breakpoint_server + + # Sets the default +time_zone+. Setting this will enable +time_zone+ + # awareness for Active Record models and set the Active Record default + # timezone to :utc. + attr_accessor :time_zone + + # Accessor for i18n settings. + attr_accessor :i18n + + # Create a new Configuration instance, initialized with the default + # values. + def initialize + set_root_path! + + self.frameworks = default_frameworks + self.load_paths = default_load_paths + self.load_once_paths = default_load_once_paths + self.eager_load_paths = default_eager_load_paths + self.log_path = default_log_path + self.log_level = default_log_level + self.view_path = default_view_path + self.controller_paths = default_controller_paths + self.cache_classes = default_cache_classes + self.dependency_loading = default_dependency_loading + self.whiny_nils = default_whiny_nils + self.plugins = default_plugins + self.plugin_paths = default_plugin_paths + self.plugin_locators = default_plugin_locators + self.plugin_loader = default_plugin_loader + self.database_configuration_file = default_database_configuration_file + self.routes_configuration_file = default_routes_configuration_file + self.gems = default_gems + self.i18n = default_i18n + + for framework in default_frameworks + self.send("#{framework}=", Rails::OrderedOptions.new) + end + self.active_support = Rails::OrderedOptions.new + end + + # Set the root_path to RAILS_ROOT and canonicalize it. + 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) + + @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 + + Object.const_set(:RELATIVE_RAILS_ROOT, ::RAILS_ROOT.dup) unless defined?(::RELATIVE_RAILS_ROOT) + ::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 + def threadsafe! + self.cache_classes = true + self.dependency_loading = false + self.action_controller.allow_concurrency = true + 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 + + # The path to the current environment's file (development.rb, etc.). By + # default the file is at config/environments/#{environment}.rb. + def environment_path + "#{root_path}/config/environments/#{environment}.rb" + end + + # Return the currently selected environment. By default, it returns the + # value of the RAILS_ENV constant. + def environment + ::RAILS_ENV + end + + # Adds a block which will be executed after rails has been fully initialized. + # Useful for per-environment configuration which depends on the framework being + # fully initialized. + def after_initialize(&after_initialize_block) + after_initialize_blocks << after_initialize_block if after_initialize_block + end + + # Returns the blocks added with Configuration#after_initialize + def after_initialize_blocks + @after_initialize_blocks ||= [] + end + + # Add a preparation callback that will run before every request in development + # mode, or before the first request in production. + # + # See Dispatcher#to_prepare. + def to_prepare(&callback) + after_initialize do + require 'dispatcher' unless defined?(::Dispatcher) + Dispatcher.to_prepare(&callback) + end + end + + def builtin_directories + # Include builtins only in the development environment. + (environment == 'development') ? Dir["#{RAILTIES_PATH}/builtin/*/"] : [] + end + + def framework_paths + paths = %w(railties railties/lib activesupport/lib) + paths << 'actionpack/lib' if frameworks.include? :action_controller or 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 + + private + def framework_root_path + defined?(::RAILS_FRAMEWORK_ROOT) ? ::RAILS_FRAMEWORK_ROOT : "#{root_path}/vendor/rails" + end + + def default_frameworks + [ :active_record, :action_controller, :action_view, :action_mailer, :active_resource ] + end + + def default_load_paths + paths = [] + + # Add the old mock paths only if the directories exists + paths.concat(Dir["#{root_path}/test/mocks/#{environment}"]) if File.exists?("#{root_path}/test/mocks/#{environment}") + + # Add the app's controller directory + paths.concat(Dir["#{root_path}/app/controllers/"]) + + # Then components subdirectories. + paths.concat(Dir["#{root_path}/components/[_a-z]*"]) + + # Followed by the standard includes. + paths.concat %w( + app + app/models + app/controllers + app/helpers + app/services + components + config + lib + vendor + ).map { |dir| "#{root_path}/#{dir}" }.select { |dir| File.directory?(dir) } + + paths.concat builtin_directories + end + + # Doesn't matter since plugins aren't in load_paths yet. + def default_load_once_paths + [] + end + + def default_eager_load_paths + %w( + app/models + app/controllers + app/helpers + ).map { |dir| "#{root_path}/#{dir}" }.select { |dir| File.directory?(dir) } + end + + def default_log_path + File.join(root_path, 'log', "#{environment}.log") + end + + def default_log_level + environment == 'production' ? :info : :debug + end + + def default_database_configuration_file + File.join(root_path, 'config', 'database.yml') + end + + def default_routes_configuration_file + File.join(root_path, 'config', 'routes.rb') + end + + def default_view_path + File.join(root_path, 'app', 'views') + end + + def default_controller_paths + paths = [File.join(root_path, 'app', 'controllers')] + paths.concat builtin_directories + paths + end + + def default_dependency_loading + true + end + + def default_cache_classes + true + end + + def default_whiny_nils + false + end + + def default_plugins + nil + end + + def default_plugin_paths + ["#{root_path}/vendor/plugins"] + end + + def default_plugin_locators + locators = [] + locators << Plugin::GemLocator if defined? Gem + locators << Plugin::FileSystemLocator + end + + def default_plugin_loader + Plugin::Loader + 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_gems + [] + 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 + end +end + +# Needs to be duplicated from Active Support since its needed before Active +# Support is available. Here both Options and Hash are namespaced to prevent +# conflicts with other implementations AND with the classes residing in Active Support. +class Rails::OrderedOptions < Array #:nodoc: + def []=(key, value) + key = key.to_sym + + if pair = find_pair(key) + pair.pop + pair << value + else + self << [key, value] + end + end + + def [](key) + pair = find_pair(key.to_sym) + pair ? pair.last : nil + end + + def method_missing(name, *args) + if name.to_s =~ /(.*)=$/ + self[$1.to_sym] = args.first + else + self[name] + end + end + + private + def find_pair(key) + self.each { |i| return i if i.first == key } + return false + end +end