_test/vendor/symfony/css-selector/Parser/Shortcut/HashParser.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\Shortcut;
  13
  14 use Symfony\Component\CssSelector\Node\ElementNode;
  15 use Symfony\Component\CssSelector\Node\HashNode;
  16 use Symfony\Component\CssSelector\Node\SelectorNode;
  17 use Symfony\Component\CssSelector\Parser\ParserInterface;
  18
  19 /**
  20  * CSS selector hash parser shortcut.
  21  *
  22  * This component is a port of the Python cssselect library,
  23  * which is copyright Ian Bicking, @see https://github.com/SimonSapin/cssselect.
  24  *
  25  * @author Jean-François Simon <jeanfrancois.simon@sensiolabs.com>
  26  *
  27  * @internal
  28  */
  29 class HashParser implements ParserInterface
  30 {
  31     /**
  32      * {@inheritdoc}
  33      */
  34     public function parse(string $source): array
  35     {
  36         // Matches an optional namespace, optional element, and required id
  37         // $source = 'test|input#ab6bd_field';
  38         // $matches = array (size=4)
  39         //     0 => string 'test|input#ab6bd_field' (length=22)
  40         //     1 => string 'test' (length=4)
  41         //     2 => string 'input' (length=5)
  42         //     3 => string 'ab6bd_field' (length=11)
  43         if (preg_match('/^(?:([a-z]++)\|)?+([\w-]++|\*)?+#([\w-]++)$/i', trim($source), $matches)) {
  44             return [
  45                 new SelectorNode(new HashNode(new ElementNode($matches[1] ?: null, $matches[2] ?: null), $matches[3])),
  46             ];
  47         }
  48
  49         return [];
  50     }
  51 }