annotate vendor/symfony/css-selector/XPath/Extension/CombinationExtension.php @ 19:fa3358dc1485 tip

Add ndrum files
author Chris Cannam
date Wed, 28 Aug 2019 13:14:47 +0100
parents 129ea1e6d783
children
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Chris@0 1 <?php
Chris@0 2
Chris@0 3 /*
Chris@0 4 * This file is part of the Symfony package.
Chris@0 5 *
Chris@0 6 * (c) Fabien Potencier <fabien@symfony.com>
Chris@0 7 *
Chris@0 8 * For the full copyright and license information, please view the LICENSE
Chris@0 9 * file that was distributed with this source code.
Chris@0 10 */
Chris@0 11
Chris@0 12 namespace Symfony\Component\CssSelector\XPath\Extension;
Chris@0 13
Chris@0 14 use Symfony\Component\CssSelector\XPath\XPathExpr;
Chris@0 15
Chris@0 16 /**
Chris@0 17 * XPath expression translator combination extension.
Chris@0 18 *
Chris@0 19 * This component is a port of the Python cssselect library,
Chris@0 20 * which is copyright Ian Bicking, @see https://github.com/SimonSapin/cssselect.
Chris@0 21 *
Chris@0 22 * @author Jean-François Simon <jeanfrancois.simon@sensiolabs.com>
Chris@0 23 *
Chris@0 24 * @internal
Chris@0 25 */
Chris@0 26 class CombinationExtension extends AbstractExtension
Chris@0 27 {
Chris@0 28 /**
Chris@0 29 * {@inheritdoc}
Chris@0 30 */
Chris@0 31 public function getCombinationTranslators()
Chris@0 32 {
Chris@17 33 return [
Chris@17 34 ' ' => [$this, 'translateDescendant'],
Chris@17 35 '>' => [$this, 'translateChild'],
Chris@17 36 '+' => [$this, 'translateDirectAdjacent'],
Chris@17 37 '~' => [$this, 'translateIndirectAdjacent'],
Chris@17 38 ];
Chris@0 39 }
Chris@0 40
Chris@0 41 /**
Chris@0 42 * @return XPathExpr
Chris@0 43 */
Chris@0 44 public function translateDescendant(XPathExpr $xpath, XPathExpr $combinedXpath)
Chris@0 45 {
Chris@0 46 return $xpath->join('/descendant-or-self::*/', $combinedXpath);
Chris@0 47 }
Chris@0 48
Chris@0 49 /**
Chris@0 50 * @return XPathExpr
Chris@0 51 */
Chris@0 52 public function translateChild(XPathExpr $xpath, XPathExpr $combinedXpath)
Chris@0 53 {
Chris@0 54 return $xpath->join('/', $combinedXpath);
Chris@0 55 }
Chris@0 56
Chris@0 57 /**
Chris@0 58 * @return XPathExpr
Chris@0 59 */
Chris@0 60 public function translateDirectAdjacent(XPathExpr $xpath, XPathExpr $combinedXpath)
Chris@0 61 {
Chris@0 62 return $xpath
Chris@0 63 ->join('/following-sibling::', $combinedXpath)
Chris@0 64 ->addNameTest()
Chris@0 65 ->addCondition('position() = 1');
Chris@0 66 }
Chris@0 67
Chris@0 68 /**
Chris@0 69 * @return XPathExpr
Chris@0 70 */
Chris@0 71 public function translateIndirectAdjacent(XPathExpr $xpath, XPathExpr $combinedXpath)
Chris@0 72 {
Chris@0 73 return $xpath->join('/following-sibling::', $combinedXpath);
Chris@0 74 }
Chris@0 75
Chris@0 76 /**
Chris@0 77 * {@inheritdoc}
Chris@0 78 */
Chris@0 79 public function getName()
Chris@0 80 {
Chris@0 81 return 'combination';
Chris@0 82 }
Chris@0 83 }