public function parse($str)
    {
        $this->removeBom($str);

        $data = $this->createM3uData();
        $lines = \explode("\n", $str);

        for ($i = 0, $l = \count($lines); $i < $l; ++$i) {
            $lineStr = \trim($lines[$i]);
            if ('' === $lineStr || $this->isComment($lineStr)) {
                continue;
            }

            if ($this->isExtM3u($lineStr)) {
                $tmp = \trim(\substr($lineStr, 7));
                if ($tmp) {
                    $data->initAttributes($tmp);
                }
                continue;
            }

            $data->append($this->parseLine($i, $lines));
        }

        return $data;
    }