public function from($type)
    {
        switch ($type) {
            case 'ini':
                $this->data = Ini::decode($this->string);
                break;

            case 'json':
                $this->data = Json::decode($this->string);
                break;

            case 'php':
                $this->data = Php::decode($this->string);
                break;

            case 'xml':
                $this->data = Xml::decode($this->string);
                break;

            case 'yml':
            case 'yaml':
                $this->data = Yaml::decode($this->string);
                break;
            
            default:
                throw new \Exception("Format not supported: " . $type);
        }

        return $this;
    }