ClassParser.php in Zircon Profile 8.0

Namespace

Symfony\Component\CssSelector\Parser\Shortcut

File

vendor/symfony/css-selector/Parser/Shortcut/ClassParser.php

<?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <[e-mail]>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */
namespace Symfony\Component\CssSelector\Parser\Shortcut;

use Symfony\Component\CssSelector\Node\ClassNode;
use Symfony\Component\CssSelector\Node\ElementNode;
use Symfony\Component\CssSelector\Node\SelectorNode;
use Symfony\Component\CssSelector\Parser\ParserInterface;

/**
 * CSS selector class parser shortcut.
 *
 * 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 <[e-mail]>
 */
class ClassParser implements ParserInterface {

  /**
   * {@inheritdoc}
   */
  public function parse($source) {

    // Matches an optional namespace, optional element, and required class
    // $source = 'test|input.ab6bd_field';
    // $matches = array (size=4)
    //     0 => string 'test|input.ab6bd_field' (length=22)
    //     1 => string 'test' (length=4)
    //     2 => string 'input' (length=5)
    //     3 => string 'ab6bd_field' (length=11)
    if (preg_match('/^(?:([a-z]++)\\|)?+([\\w-]++|\\*)?+\\.([\\w-]++)$/i', trim($source), $matches)) {
      return array(
        new SelectorNode(new ClassNode(new ElementNode($matches[1] ?: null, $matches[2] ?: null), $matches[3])),
      );
    }
    return array();
  }

}

Classes

Name	Description
ClassParser	CSS selector class parser shortcut.