_test/vendor/symfony/css-selector/Parser/Handler/HashHandler.php

   1 <?php
   2
   3 /*
   4  * This file is part of the Symfony package.
   5  *
   6  * (c) Fabien Potencier <fabien@symfony.com>
   7  *
   8  * For the full copyright and license information, please view the LICENSE
   9  * file that was distributed with this source code.
  10  */
  11
  12 namespace Symfony\Component\CssSelector\Parser\Handler;
  13
  14 use Symfony\Component\CssSelector\Parser\Reader;
  15 use Symfony\Component\CssSelector\Parser\Token;
  16 use Symfony\Component\CssSelector\Parser\Tokenizer\TokenizerEscaping;
  17 use Symfony\Component\CssSelector\Parser\Tokenizer\TokenizerPatterns;
  18 use Symfony\Component\CssSelector\Parser\TokenStream;
  19
  20 /**
  21  * CSS selector comment handler.
  22  *
  23  * This component is a port of the Python cssselect library,
  24  * which is copyright Ian Bicking, @see https://github.com/SimonSapin/cssselect.
  25  *
  26  * @author Jean-François Simon <jeanfrancois.simon@sensiolabs.com>
  27  *
  28  * @internal
  29  */
  30 class HashHandler implements HandlerInterface
  31 {
  32     private $patterns;
  33     private $escaping;
  34
  35     public function __construct(TokenizerPatterns $patterns, TokenizerEscaping $escaping)
  36     {
  37         $this->patterns = $patterns;
  38         $this->escaping = $escaping;
  39     }
  40
  41     /**
  42      * {@inheritdoc}
  43      */
  44     public function handle(Reader $reader, TokenStream $stream): bool
  45     {
  46         $match = $reader->findPattern($this->patterns->getHashPattern());
  47
  48         if (!$match) {
  49             return false;
  50         }
  51
  52         $value = $this->escaping->escapeUnicode($match[1]);
  53         $stream->push(new Token(Token::TYPE_HASH, $value, $reader->getPosition()));
  54         $reader->moveForward(\strlen($match[0]));
  55
  56         return true;
  57     }
  58 }