| /vendor/symfony/css-selector/Parser/Handler/StringHandler.php |
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| @@ -0,0 +1,88 @@ |
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| <?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\TokenStream; |
| use Symfony\Component\CssSelector\Parser\Tokenizer\TokenizerEscaping; |
| use Symfony\Component\CssSelector\Parser\Tokenizer\TokenizerPatterns; |
| |
| /** |
| * 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 |
| { |
| /** |
| * @var TokenizerPatterns |
| */ |
| private $patterns; |
| |
| /** |
| * @var TokenizerEscaping |
| */ |
| private $escaping; |
| |
| /** |
| * @param TokenizerPatterns $patterns |
| * @param TokenizerEscaping $escaping |
| */ |
| public function __construct(TokenizerPatterns $patterns, TokenizerEscaping $escaping) |
| { |
| $this->patterns = $patterns; |
| $this->escaping = $escaping; |
| } |
| |
| /** |
| * {@inheritdoc} |
| */ |
| public function handle(Reader $reader, TokenStream $stream) |
| { |
| $quote = $reader->getSubstring(1); |
| |
| if (!in_array($quote, array("'", '"'))) { |
| 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 %s.', $reader->getPosition())); |
| } |
| |
| // check unclosed strings |
| if (strlen($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; |
| } |
| } |
