Carew\Event\Listener\Body\Toc::onDocument PHP Method

    public function onDocument(CarewEvent $event)
    {
        $document = $event->getSubject();
        if (Document::TYPE_API == $document->getType()) {
            return;
        }
        $extension = pathinfo($document->getPath(), PATHINFO_EXTENSION);
        if ('html' !== $extension) {
            return;
        }
        $urls = array();
        // hack to keep twig statements in local $urls variable because DOMDocument encode attributes value
        $body = preg_replace_callback('/(?P<attr>href|src)="(?P<url>[^"]*)"/', function ($matches) use(&$urls) {
            $urls[] = $matches['url'];
            return sprintf('%s="%s"', $matches['attr'], '%%%%%%%%%%%%%%%%%%%%');
        }, $document->getBody());
        try {
            $level = error_reporting(0);
            $document->setToc($this->htmlTools->buildTOC($document->getBody()));
            $body = $this->htmlTools->addHeadingsId($body, 'h1, h2, h3, h4, h5, h6', true);
            error_reporting($level);
        } catch (\Exception $e) {
            // TODO: add a message when failing.
            return;
        }
        // restore url value in href and src attribute
        $i = 0;
        $body = preg_replace_callback('/(?P<attr>href|src)="(?P<url>%%%%%%%%%%%%%%%%%%%%)"/', function ($matches) use(&$i, $urls) {
            return sprintf('%s="%s"', $matches['attr'], $urls[$i++]);
        }, $body);
        $document->setBody(html_entity_decode($body, ENT_QUOTES, 'UTF-8'));
    }

 public function testOnDocumentDoesNotLinkWithDoubleQuote()
 {
     $document = new Document();
     $document->setPath('index.html');
     $body = '<a href="https://google.com">"google.com"</a>';
     $document->setBody($body);
     $event = new CarewEvent($document);
     $toc = new Toc();
     $toc->onDocument($event);
     $this->assertSame($body, $document->getBody());
 }