| # -*- coding: utf-8 -*- |
| # |
| #-- |
| # Copyright (C) 2009-2016 Thomas Leitner <t_leitner@gmx.at> |
| # |
| # This file is part of kramdown which is licensed under the MIT. |
| #++ |
| # |
| |
| module Kramdown |
| module Utils |
| |
| # Methods for registering configurable extensions. |
| module Configurable |
| |
| # Create a new configurable extension called +name+. |
| # |
| # Three methods will be defined on the calling object which allow to use this configurable |
| # extension: |
| # |
| # configurables:: Returns a hash of hashes that is used to store all configurables of the |
| # object. |
| # |
| # <name>(ext_name):: Return the configured extension +ext_name+. |
| # |
| # add_<name>(ext_name, data=nil, &block):: Define an extension +ext_name+ by specifying either |
| # the data as argument or by using a block. |
| def configurable(name) |
| singleton_class = (class << self; self; end) |
| singleton_class.send(:define_method, :configurables) do |
| @_configurables ||= Hash.new {|h, k| h[k] = {}} |
| end unless respond_to?(:configurables) |
| singleton_class.send(:define_method, name) do |data| |
| configurables[name][data] |
| end |
| singleton_class.send(:define_method, "add_#{name}".intern) do |data, *args, &block| |
| configurables[name][data] = args.first || block |
| end |
| end |
| |
| end |
| |
| end |
| end |
