Contents

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

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

      class_eval(<<-EOS, __FILE__, __LINE__ + 1)
        def #{sym}
          @@#{sym}
        end
      EOS
    end
  end

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

      class_eval(<<-EOS, __FILE__, __LINE__ + 1)
        def #{sym}=(obj)
          @@#{sym} = obj
        end
      EOS
    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

28 entries across 28 versions & 1 rubygems

Version	Path
ors-0.2.10	lib/ors/core_ext.rb
ors-0.2.9	lib/ors/core_ext.rb
ors-0.2.8	lib/ors/core_ext.rb
ors-0.2.7	lib/ors/core_ext.rb
ors-0.2.6	lib/ors/core_ext.rb
ors-0.2.5	lib/ors/core_ext.rb
ors-0.2.4	lib/ors/core_ext.rb
ors-0.2.3	lib/ors/core_ext.rb
ors-0.2.2	lib/ors/core_ext.rb
ors-0.2.1	lib/ors/core_ext.rb
ors-0.2.0	lib/ors/core_ext.rb
ors-0.1.8	lib/ors/core_ext.rb
ors-0.1.7	lib/ors/core_ext.rb
ors-0.1.5	lib/ors/core_ext.rb
ors-0.1.4	lib/ors/core_ext.rb
ors-0.1.3	lib/ors/core_ext.rb
ors-0.1.2	lib/ors/core_ext.rb
ors-0.1.1	lib/ors/core_ext.rb
ors-0.1.0	lib/ors/core_ext.rb
ors-0.0.9	lib/ors/core_ext.rb