_test/vendor/symfony/css-selector/Parser/Handler/WhitespaceHandler.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\TokenStream;
  17
  18 /**
  19  * CSS selector whitespace handler.
  20  *
  21  * This component is a port of the Python cssselect library,
  22  * which is copyright Ian Bicking, @see https://github.com/SimonSapin/cssselect.
  23  *
  24  * @author Jean-François Simon <jeanfrancois.simon@sensiolabs.com>
  25  *
  26  * @internal
  27  */
  28 class WhitespaceHandler implements HandlerInterface
  29 {
  30     /**
  31      * {@inheritdoc}
  32      */
  33     public function handle(Reader $reader, TokenStream $stream): bool
  34     {
  35         $match = $reader->findPattern('~^[ \t\r\n\f]+~');
  36
  37         if (false === $match) {
  38             return false;
  39         }
  40
  41         $stream->push(new Token(Token::TYPE_WHITESPACE, $match[0], $reader->getPosition()));
  42         $reader->moveForward(\strlen($match[0]));
  43
  44         return true;
  45     }
  46 }