protected function _generators($method, $name, $options) {
		foreach ($this->_config['attributes'] as $key => $generator) {
			if ($key === 'name') {
				continue;
			}
			if ($generator && !isset($options[$key])) {
				if (($attr = $generator($method, $name, $options)) !== null) {
					$options[$key] = $attr;
				}
				continue;
			}
			if ($generator && $options[$key] === false) {
				unset($options[$key]);
			}
		}
		return $options;
	}