Class: Class

Inherits:
Object show all
Defined in:
lib/core_ext.rb

Instance Method Summary collapse

Instance Method Details

#inherited_accessor(accessor, default = nil) ⇒ Object 



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# File 'lib/core_ext.rb', line 76

def inherited_accessor(accessor, default = nil)
  instance_eval <<-RUBY, __FILE__, __LINE__ + 1
    class << self; attr_writer :#{accessor}; end
    @#{accessor} = default

    def #{accessor}
      @#{accessor} ||= superclass.send(:#{accessor}).dup
    end
  RUBY
end

#inherited_property(accessor, default = nil) ⇒ Object 



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# File 'lib/core_ext.rb', line 48

def inherited_property(accessor, default = nil)
  instance_eval <<-RUBY, __FILE__, __LINE__ + 1
    @#{accessor} = default

    def set_#{accessor}(value)
      @#{accessor} = value
    end
    alias #{accessor} set_#{accessor}

    def get_#{accessor}
      return @#{accessor} if instance_variable_defined?(:@#{accessor})
      superclass.send(:get_#{accessor})
    end
  RUBY

  # @path = default
  #
  # def set_path(value)
  #   @path = value
  # end
  # alias_method path, set_path

  # def get_path
  #   return @path if instance_variable_defined?(:path)
  #   superclass.send(:path)
  # end
end