Module: Kramdown::Utils::Configurable

Included in:
Converter
Defined in:
lib/kramdown/utils/configurable.rb

Overview

Methods for registering configurable extensions.

Instance Method Summary collapse

Instance Method Details

#configurable(name) ⇒ Object

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.



28
29
30
31
32
33
34
35
36
37
38
39
 
# File 'lib/kramdown/utils/configurable.rb', line 28

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