Module: Perry::Support::ClassAttributes::ClassMethods

Defined in:
lib/perry/support/class_attributes.rb

Instance Method Summary collapse

Instance Method Details

#class_attribute(*attrs) ⇒ Object Also known as: class_attributes 



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# File 'lib/perry/support/class_attributes.rb', line 11

def class_attribute(*attrs)
  @class_attributes ||= []
  @class_attributes += attrs
  attrs.each do |attr|
    class_eval %{
      def self.#{attr}
        @#{attr}
      end
      def self.#{attr}=(value = nil)
        @#{attr} = value
      end
      def #{attr}
        self.class.#{attr}
      end
      def #{attr}=(value = nil)
        self.class.#{attr} = value
      end
    }
  end
  @class_attributes
end

#inherited(subclass) ⇒ Object 



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# File 'lib/perry/support/class_attributes.rb', line 34

def inherited(subclass)
  (["class_attributes"] + class_attributes).each do |t|
    ivar = "@#{t}"
    value = instance_variable_get(ivar)
    subclass.instance_variable_set(
      ivar,
      value.duplicable? ? value.dup : value
    )
  end
end