Subversion-Projekte lars-tiefland.laravel_shop

<?php

/*

 * This file is part of the Symfony package.

 *

 * (c) Fabien Potencier <fabien@symfony.com>

 *

 * 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\Exception\InternalErrorException;

use Symfony\Component\CssSelector\Exception\SyntaxErrorException;

use Symfony\Component\CssSelector\Parser\Reader;

use Symfony\Component\CssSelector\Parser\Token;

use Symfony\Component\CssSelector\Parser\Tokenizer\TokenizerEscaping;

use Symfony\Component\CssSelector\Parser\Tokenizer\TokenizerPatterns;

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 <jeanfrancois.simon@sensiolabs.com>

 *

 * @internal

 */

class StringHandler implements HandlerInterface

{

    private TokenizerPatterns $patterns;

    private TokenizerEscaping $escaping;

    public function __construct(TokenizerPatterns $patterns, TokenizerEscaping $escaping)

    {

        $this->patterns = $patterns;

        $this->escaping = $escaping;

    }

    public function handle(Reader $reader, TokenStream $stream): bool

    {

        $quote = $reader->getSubstring(1);

        if (!\in_array($quote, ["'", '"'])) {

            return false;

        }

        $reader->moveForward(1);

        $match = $reader->findPattern($this->patterns->getQuotedStringPattern($quote));

        if (!$match) {

            throw new InternalErrorException(sprintf('Should have found at least an empty match at %d.', $reader->getPosition()));

        }

        // check unclosed strings

        if (\strlen($match[0]) === $reader->getRemainingLength()) {

            throw SyntaxErrorException::unclosedString($reader->getPosition() - 1);

        }

        // check quotes pairs validity

        if ($quote !== $reader->getSubstring(1, \strlen($match[0]))) {

            throw SyntaxErrorException::unclosedString($reader->getPosition() - 1);

        }

        $string = $this->escaping->escapeUnicodeAndNewLine($match[0]);

        $stream->push(new Token(Token::TYPE_STRING, $string, $reader->getPosition()));

        $reader->moveForward(\strlen($match[0]) + 1);

        return true;

    }

}