Class: Object

Inherits:
BasicObject
Defined in:
lib/refining.rb

Overview

–

         DO WHAT THE FUCK YOU WANT TO PUBLIC LICENSE
                 Version 2, December 2004

Copyleft meh. [http://meh.paranoid.pk | [email protected]]

         DO WHAT THE FUCK YOU WANT TO PUBLIC LICENSE
TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION

0. You just DO WHAT THE FUCK YOU WANT TO.

++

Instance Method Summary collapse

Instance Method Details

#refine_singleton_method(meth, options = {}, &block) ⇒ Object 



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# File 'lib/refining.rb', line 14

def refine_singleton_method (meth, options = {}, &block)
	return unless block

	what = class << self
		self
	end

	if options[:alias] || options[:prefix]
		what.instance_eval {
			begin
				alias_method options[:alias] || "#{options[:prefix]}_#{meth}", meth
			rescue NameError
				define_method options[:alias] || "#{options[:prefix]}_#{meth}" do |*args| end
			end

			define_method meth, &block
		}
	else
		target = self

		(method(meth) rescue nil).tap {|old|
			old ||= proc {}

			what.instance_eval {
				define_method meth do |*args, &blk|
					what.instance_eval {
						define_method 'temporary method for refining', &block

						target.__send__('temporary method for refining', old, *args, &blk).tap {
							undef_method('temporary method for refining') rescue nil
						}
					}
				end
			}
		}
	end
end