Chris@0: <?php
Chris@0: 
Chris@0: /*
Chris@0:  * This file is part of the Symfony package.
Chris@0:  *
Chris@0:  * (c) Fabien Potencier <fabien@symfony.com>
Chris@0:  *
Chris@0:  * For the full copyright and license information, please view the LICENSE
Chris@0:  * file that was distributed with this source code.
Chris@0:  */
Chris@0: 
Chris@0: namespace Symfony\Component\CssSelector\Parser\Handler;
Chris@0: 
Chris@0: use Symfony\Component\CssSelector\Parser\Reader;
Chris@0: use Symfony\Component\CssSelector\Parser\Token;
Chris@0: use Symfony\Component\CssSelector\Parser\Tokenizer\TokenizerEscaping;
Chris@0: use Symfony\Component\CssSelector\Parser\Tokenizer\TokenizerPatterns;
Chris@17: use Symfony\Component\CssSelector\Parser\TokenStream;
Chris@0: 
Chris@0: /**
Chris@0:  * CSS selector comment handler.
Chris@0:  *
Chris@0:  * This component is a port of the Python cssselect library,
Chris@0:  * which is copyright Ian Bicking, @see https://github.com/SimonSapin/cssselect.
Chris@0:  *
Chris@0:  * @author Jean-François Simon <jeanfrancois.simon@sensiolabs.com>
Chris@0:  *
Chris@0:  * @internal
Chris@0:  */
Chris@0: class IdentifierHandler implements HandlerInterface
Chris@0: {
Chris@0:     private $patterns;
Chris@0:     private $escaping;
Chris@0: 
Chris@0:     public function __construct(TokenizerPatterns $patterns, TokenizerEscaping $escaping)
Chris@0:     {
Chris@0:         $this->patterns = $patterns;
Chris@0:         $this->escaping = $escaping;
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * {@inheritdoc}
Chris@0:      */
Chris@0:     public function handle(Reader $reader, TokenStream $stream)
Chris@0:     {
Chris@0:         $match = $reader->findPattern($this->patterns->getIdentifierPattern());
Chris@0: 
Chris@0:         if (!$match) {
Chris@0:             return false;
Chris@0:         }
Chris@0: 
Chris@0:         $value = $this->escaping->escapeUnicode($match[0]);
Chris@0:         $stream->push(new Token(Token::TYPE_IDENTIFIER, $value, $reader->getPosition()));
Chris@17:         $reader->moveForward(\strlen($match[0]));
Chris@0: 
Chris@0:         return true;
Chris@0:     }
Chris@0: }