Module: Voke::ClassMethods

Defined in:
lib/voke.rb

Instance Method Summary collapse

Instance Method Details

#default(*args, &block) ⇒ Object 



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# File 'lib/voke.rb', line 115

def default(*args, &block)
  value = block || args.pop
  argument = args.pop
  method = args.pop || :voke_next

  config = voke_config(method)
  config[:defaults][argument] = value
end

#description(method = :voke_next, string) ⇒ Object 



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# File 'lib/voke.rb', line 110

def description(method = :voke_next, string)
  config = voke_config(method)
  config[:description] = string
end

#method_added(method) ⇒ Object 



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# File 'lib/voke.rb', line 124

def method_added(method)
  config = voke_config(method)

  return if config[:added]
  return if not public_method_defined?(method)

  config[:added] = true

  if next_config = @voke_config.delete(:voke_next)
    config[:description] ||= next_config[:description]
    config[:defaults] = next_config[:defaults].merge(config[:defaults])
  end

  orig_method = instance_method(method)

  define_method(method) do |*args, &block|
    if args.last.is_a?(Hash)
      options = args.pop

      config = self.class.voke_config(method)
      config[:defaults].each do |key, value|
        unless options[key]
          value = value.call(options) if value.is_a?(Proc) or value.is_a?(Method)
          options[key] = value
        end
      end

      args.push(options)
    end

    orig_method.bind(self).call(*args, &block)
  end
end

#voke_config(name) ⇒ Object 



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# File 'lib/voke.rb', line 105

def voke_config(name)
  @voke_config ||= Hash.new
  @voke_config[name] ||= { :defaults => Hash.new }
end