view vendor/symfony/css-selector/Parser/Handler/CommentHandler.php @ 13:5fb285c0d0e3

Update Drupal core to 8.4.7 via Composer. Security update; I *think* we've
been lucky to get away with this so far, as we don't support self-registration
which seems to be used by the so-called "drupalgeddon 2" attack that 8.4.5
was vulnerable to.

<?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <[e-mail]>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Symfony\Component\CssSelector\Parser\Handler;

use Symfony\Component\CssSelector\Parser\Reader;
use Symfony\Component\CssSelector\Parser\TokenStream;

/**
 * CSS selector comment handler.
 *
 * This component is a port of the Python cssselect library,
 * which is copyright Ian Bicking, @see https://github.com/SimonSapin/cssselect.
 *
 * @author Jean-François Simon <[e-mail]>
 *
 * @internal
 */
class CommentHandler implements HandlerInterface
{
    /**
     * {@inheritdoc}
     */
    public function handle(Reader $reader, TokenStream $stream)
    {
        if ('/*' !== $reader->getSubstring(2)) {
            return false;
        }

        $offset = $reader->getOffset('*/');

        if (false === $offset) {
            $reader->moveToEnd();
        } else {
            $reader->moveForward($offset + 2);
        }

        return true;
    }
}