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Direktori : /home2/selectio/www/3-idiots/vendor/symfony/css-selector/Parser/Handler/ |
Current File : /home2/selectio/www/3-idiots/vendor/symfony/css-selector/Parser/Handler/StringHandler.php |
<?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; } }