Sha256: f1fd8e2454c91a4371b22698debf6bbf4d89bf2c9995c5ea0ecdcc022a83f67c

Contents?: true

Size: 1.41 KB

Versions: 96

Compression:

Stored size: 1.41 KB

Contents

require 'active_support/core_ext/array/extract_options'

class Module
  def mattr_reader(*syms)
    options = syms.extract_options!
    syms.each do |sym|
      class_eval(<<-EOS, __FILE__, __LINE__ + 1)
        @@#{sym} = nil unless defined? @@#{sym}

        def self.#{sym}
          @@#{sym}
        end
      EOS

      unless options[:instance_reader] == false
        class_eval(<<-EOS, __FILE__, __LINE__ + 1)
          def #{sym}
            @@#{sym}
          end
        EOS
      end
    end
  end

  def mattr_writer(*syms)
    options = syms.extract_options!
    syms.each do |sym|
      class_eval(<<-EOS, __FILE__, __LINE__ + 1)
        def self.#{sym}=(obj)
          @@#{sym} = obj
        end
      EOS

      unless options[:instance_writer] == false
        class_eval(<<-EOS, __FILE__, __LINE__ + 1)
          def #{sym}=(obj)
            @@#{sym} = obj
          end
        EOS
      end
    end
  end

  # Extends the module object with module and instance accessors for class attributes,
  # just like the native attr* accessors for instance attributes.
  #
  #  module AppConfiguration
  #    mattr_accessor :google_api_key
  #    self.google_api_key = "123456789"
  #
  #    mattr_accessor :paypal_url
  #    self.paypal_url = "www.sandbox.paypal.com"
  #  end
  #
  #  AppConfiguration.google_api_key = "overriding the api key!"
  def mattr_accessor(*syms)
    mattr_reader(*syms)
    mattr_writer(*syms)
  end
end

Version data entries

96 entries across 96 versions & 4 rubygems

Version Path
social_url_stats-0.0.1 vendor/ruby/1.9.1/gems/activesupport-3.0.0/lib/active_support/core_ext/module/attribute_accessors.rb
activesupport-3.1.12 lib/active_support/core_ext/module/attribute_accessors.rb
activesupport-3.1.11 lib/active_support/core_ext/module/attribute_accessors.rb
activesupport-3.0.20 lib/active_support/core_ext/module/attribute_accessors.rb
activesupport-3.1.10 lib/active_support/core_ext/module/attribute_accessors.rb
activesupport-3.0.19 lib/active_support/core_ext/module/attribute_accessors.rb
activesupport-3.1.9 lib/active_support/core_ext/module/attribute_accessors.rb
activesupport-3.0.18 lib/active_support/core_ext/module/attribute_accessors.rb
dirty_history-0.7.3 dirty_history/ruby/1.9.1/gems/activesupport-3.1.1/lib/active_support/core_ext/module/attribute_accessors.rb
dirty_history-0.7.2 dirty_history/ruby/1.9.1/gems/activesupport-3.1.1/lib/active_support/core_ext/module/attribute_accessors.rb
dirty_history-0.7.1 dirty_history/ruby/1.9.1/gems/activesupport-3.1.1/lib/active_support/core_ext/module/attribute_accessors.rb
dirty_history-0.7.0 dirty_history/ruby/1.9.1/gems/activesupport-3.1.1/lib/active_support/core_ext/module/attribute_accessors.rb
dirty_history-0.6.7 dirty_history/ruby/1.9.1/gems/activesupport-3.1.1/lib/active_support/core_ext/module/attribute_accessors.rb
dirty_history-0.6.6 dirty_history/ruby/1.9.1/gems/activesupport-3.1.1/lib/active_support/core_ext/module/attribute_accessors.rb
dirty_history-0.6.5 dirty_history/ruby/1.9.1/gems/activesupport-3.1.1/lib/active_support/core_ext/module/attribute_accessors.rb
dirty_history-0.6.4 dirty_history/ruby/1.9.1/gems/activesupport-3.1.1/lib/active_support/core_ext/module/attribute_accessors.rb
activesupport-3.1.8 lib/active_support/core_ext/module/attribute_accessors.rb
activesupport-3.0.17 lib/active_support/core_ext/module/attribute_accessors.rb
dirty_history-0.6.3 dirty_history/ruby/1.9.1/gems/activesupport-3.1.1/lib/active_support/core_ext/module/attribute_accessors.rb
activesupport-3.1.7 lib/active_support/core_ext/module/attribute_accessors.rb