From a5b0c60714e1e8d8c182af830a26e1c7c884271d Mon Sep 17 00:00:00 2001 From: Genadi Samokovarov Date: Tue, 30 May 2017 16:16:19 +0300 Subject: Implement mattr_acessor :default option --- .../core_ext/module/attribute_accessors.rb | 43 ++++++++++------------ 1 file changed, 19 insertions(+), 24 deletions(-) (limited to 'activesupport/lib') diff --git a/activesupport/lib/active_support/core_ext/module/attribute_accessors.rb b/activesupport/lib/active_support/core_ext/module/attribute_accessors.rb index 2c24081eb9..9244cfa157 100644 --- a/activesupport/lib/active_support/core_ext/module/attribute_accessors.rb +++ b/activesupport/lib/active_support/core_ext/module/attribute_accessors.rb @@ -38,13 +38,10 @@ class Module # # Person.new.hair_colors # => NoMethodError # - # - # Also, you can pass a block to set up the attribute with a default value. + # You can set a default value for the attribute. # # module HairColors - # mattr_reader :hair_colors do - # [:brown, :black, :blonde, :red] - # end + # mattr_reader :hair_colors, default: [:brown, :black, :blonde, :red] # end # # class Person @@ -52,8 +49,7 @@ class Module # end # # Person.new.hair_colors # => [:brown, :black, :blonde, :red] - def mattr_reader(*syms) - options = syms.extract_options! + def mattr_reader(*syms, instance_reader: true, instance_accessor: true, default: nil) syms.each do |sym| raise NameError.new("invalid attribute name: #{sym}") unless /\A[_A-Za-z]\w*\z/.match?(sym) class_eval(<<-EOS, __FILE__, __LINE__ + 1) @@ -64,14 +60,16 @@ class Module end EOS - unless options[:instance_reader] == false || options[:instance_accessor] == false + if instance_reader && instance_accessor class_eval(<<-EOS, __FILE__, __LINE__ + 1) def #{sym} @@#{sym} end EOS end - class_variable_set("@@#{sym}", yield) if block_given? + + sym_default_value = (block_given? && default.nil?) ? yield : default + class_variable_set("@@#{sym}", sym_default_value) unless sym_default_value.nil? end end alias :cattr_reader :mattr_reader @@ -107,12 +105,10 @@ class Module # # Person.new.hair_colors = [:blonde, :red] # => NoMethodError # - # Also, you can pass a block to set up the attribute with a default value. + # You can set a default value for the attribute. # # module HairColors - # mattr_writer :hair_colors do - # [:brown, :black, :blonde, :red] - # end + # mattr_writer :hair_colors, default: [:brown, :black, :blonde, :red] # end # # class Person @@ -120,8 +116,7 @@ class Module # end # # Person.class_variable_get("@@hair_colors") # => [:brown, :black, :blonde, :red] - def mattr_writer(*syms) - options = syms.extract_options! + def mattr_writer(*syms, instance_writer: true, instance_accessor: true, default: nil) syms.each do |sym| raise NameError.new("invalid attribute name: #{sym}") unless /\A[_A-Za-z]\w*\z/.match?(sym) class_eval(<<-EOS, __FILE__, __LINE__ + 1) @@ -132,14 +127,16 @@ class Module end EOS - unless options[:instance_writer] == false || options[:instance_accessor] == false + if instance_writer && instance_accessor class_eval(<<-EOS, __FILE__, __LINE__ + 1) def #{sym}=(obj) @@#{sym} = obj end EOS end - send("#{sym}=", yield) if block_given? + + sym_default_value = (block_given? && default.nil?) ? yield : default + send("#{sym}=", sym_default_value) unless sym_default_value.nil? end end alias :cattr_writer :mattr_writer @@ -197,12 +194,10 @@ class Module # Person.new.hair_colors = [:brown] # => NoMethodError # Person.new.hair_colors # => NoMethodError # - # Also you can pass a block to set up the attribute with a default value. + # You can set a default value for the attribute. # # module HairColors - # mattr_accessor :hair_colors do - # [:brown, :black, :blonde, :red] - # end + # mattr_accessor :hair_colors, default: [:brown, :black, :blonde, :red] # end # # class Person @@ -210,9 +205,9 @@ class Module # end # # Person.class_variable_get("@@hair_colors") # => [:brown, :black, :blonde, :red] - def mattr_accessor(*syms, &blk) - mattr_reader(*syms, &blk) - mattr_writer(*syms) + def mattr_accessor(*syms, instance_reader: true, instance_writer: true, instance_accessor: true, default: nil, &blk) + mattr_reader(*syms, instance_reader: instance_reader, instance_accessor: instance_accessor, default: default, &blk) + mattr_writer(*syms, instance_writer: instance_writer, instance_accessor: instance_accessor, default: default) end alias :cattr_accessor :mattr_accessor end -- cgit v1.2.3 From b6b0c99ff3e8ace3f42813154dbe4b8ad6a98e6c Mon Sep 17 00:00:00 2001 From: Genadi Samokovarov Date: Wed, 31 May 2017 12:16:20 +0300 Subject: Use mattr_accessor default: option throughout the project --- .../core_ext/date_and_time/compatibility.rb | 2 +- activesupport/lib/active_support/dependencies.rb | 33 ++++++++-------------- activesupport/lib/active_support/log_subscriber.rb | 3 +- activesupport/lib/active_support/logger_silence.rb | 3 +- 4 files changed, 14 insertions(+), 27 deletions(-) (limited to 'activesupport/lib') diff --git a/activesupport/lib/active_support/core_ext/date_and_time/compatibility.rb b/activesupport/lib/active_support/core_ext/date_and_time/compatibility.rb index ab80392460..2d45e16546 100644 --- a/activesupport/lib/active_support/core_ext/date_and_time/compatibility.rb +++ b/activesupport/lib/active_support/core_ext/date_and_time/compatibility.rb @@ -9,6 +9,6 @@ module DateAndTime # of the receiver. For backwards compatibility we're overriding # this behavior, but new apps will have an initializer that sets # this to true, because the new behavior is preferred. - mattr_accessor(:preserve_timezone, instance_writer: false) { false } + mattr_accessor :preserve_timezone, instance_writer: false, default: false end end diff --git a/activesupport/lib/active_support/dependencies.rb b/activesupport/lib/active_support/dependencies.rb index e125b657f2..3cd8f3d0ac 100644 --- a/activesupport/lib/active_support/dependencies.rb +++ b/activesupport/lib/active_support/dependencies.rb @@ -18,8 +18,7 @@ module ActiveSupport #:nodoc: module Dependencies #:nodoc: extend self - mattr_accessor :interlock - self.interlock = Interlock.new + mattr_accessor :interlock, default: Interlock.new # :doc: @@ -46,46 +45,37 @@ module ActiveSupport #:nodoc: # :nodoc: # Should we turn on Ruby warnings on the first load of dependent files? - mattr_accessor :warnings_on_first_load - self.warnings_on_first_load = false + mattr_accessor :warnings_on_first_load, default: false # All files ever loaded. - mattr_accessor :history - self.history = Set.new + mattr_accessor :history, default: Set.new # All files currently loaded. - mattr_accessor :loaded - self.loaded = Set.new + mattr_accessor :loaded, default: Set.new # Stack of files being loaded. - mattr_accessor :loading - self.loading = [] + mattr_accessor :loading, default: [] # Should we load files or require them? - mattr_accessor :mechanism - self.mechanism = ENV["NO_RELOAD"] ? :require : :load + mattr_accessor :mechanism, default: ENV["NO_RELOAD"] ? :require : :load # The set of directories from which we may automatically load files. Files # under these directories will be reloaded on each request in development mode, # unless the directory also appears in autoload_once_paths. - mattr_accessor :autoload_paths - self.autoload_paths = [] + mattr_accessor :autoload_paths, default: [] # The set of directories from which automatically loaded constants are loaded # only once. All directories in this set must also be present in +autoload_paths+. - mattr_accessor :autoload_once_paths - self.autoload_once_paths = [] + mattr_accessor :autoload_once_paths, default: [] # An array of qualified constant names that have been loaded. Adding a name # to this array will cause it to be unloaded the next time Dependencies are # cleared. - mattr_accessor :autoloaded_constants - self.autoloaded_constants = [] + mattr_accessor :autoloaded_constants, default: [] # An array of constant names that need to be unloaded on every request. Used # to allow arbitrary constants to be marked for unloading. - mattr_accessor :explicitly_unloadable_constants - self.explicitly_unloadable_constants = [] + mattr_accessor :explicitly_unloadable_constants, default: [] # The WatchStack keeps a stack of the modules being watched as files are # loaded. If a file in the process of being loaded (parent.rb) triggers the @@ -175,8 +165,7 @@ module ActiveSupport #:nodoc: end # An internal stack used to record which constants are loaded by any block. - mattr_accessor :constant_watch_stack - self.constant_watch_stack = WatchStack.new + mattr_accessor :constant_watch_stack, default: WatchStack.new # Module includes this module. module ModuleConstMissing #:nodoc: diff --git a/activesupport/lib/active_support/log_subscriber.rb b/activesupport/lib/active_support/log_subscriber.rb index e2c4f33565..e533c6662e 100644 --- a/activesupport/lib/active_support/log_subscriber.rb +++ b/activesupport/lib/active_support/log_subscriber.rb @@ -49,8 +49,7 @@ module ActiveSupport CYAN = "\e[36m" WHITE = "\e[37m" - mattr_accessor :colorize_logging - self.colorize_logging = true + mattr_accessor :colorize_logging, default: true class << self def logger diff --git a/activesupport/lib/active_support/logger_silence.rb b/activesupport/lib/active_support/logger_silence.rb index 632994cf50..9c64afaaca 100644 --- a/activesupport/lib/active_support/logger_silence.rb +++ b/activesupport/lib/active_support/logger_silence.rb @@ -6,8 +6,7 @@ module LoggerSilence extend ActiveSupport::Concern included do - cattr_accessor :silencer - self.silencer = true + cattr_accessor :silencer, default: true end # Silences the logger for the duration of the block. -- cgit v1.2.3