Add bin and edit workflow

bin/gems/kramdown-2.5.1/lib/kramdown/utils/configurable.rb

@@ -0,0 +1,45 @@
+# -*- coding: utf-8; frozen_string_literal: true -*-
+#
+#--
+# Copyright (C) 2009-2019 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)
+        unless respond_to?(:configurables)
+          singleton_class.send(:define_method, :configurables) do
+            @_configurables ||= Hash.new {|h, k| h[k] = {} }
+          end
+        end
+        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