public static function process($content, $processor)
    {
        switch ($processor) {
            case 'plain':
                $content = static::plainProcessor($content);
                break;

            case 'filtered':
                $content = static::filteredProcessor($content);
                break;

            case 'markdown':
                $content = static::markdownProcessor($content);
                break;
        }

        return $content;
    }