| 1 |
<?php |
| 2 |
|
| 3 |
/* |
| 4 |
* This file is part of the Symfony package. |
| 5 |
* |
| 6 |
* (c) Fabien Potencier <[email protected]> |
| 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\XPath\Extension; |
| 13 |
|
| 14 |
use Symfony\Component\CssSelector\XPath\XPathExpr; |
| 15 |
|
| 16 |
/** |
| 17 |
* XPath expression translator combination extension. |
| 18 |
* |
| 19 |
* This component is a port of the Python cssselect library, |
| 20 |
* which is copyright Ian Bicking, @see https://github.com/SimonSapin/cssselect. |
| 21 |
* |
| 22 |
* @author Jean-François Simon <[email protected]> |
| 23 |
* |
| 24 |
* @internal |
| 25 |
*/ |
| 26 |
class CombinationExtension extends AbstractExtension |
| 27 |
{ |
| 28 |
/** |
| 29 |
* {@inheritdoc} |
| 30 |
*/ |
| 31 |
public function getCombinationTranslators(): array |
| 32 |
{ |
| 33 |
return [ |
| 34 |
' ' => [$this, 'translateDescendant'], |
| 35 |
'>' => [$this, 'translateChild'], |
| 36 |
'+' => [$this, 'translateDirectAdjacent'], |
| 37 |
'~' => [$this, 'translateIndirectAdjacent'], |
| 38 |
]; |
| 39 |
} |
| 40 |
|
| 41 |
public function translateDescendant(XPathExpr $xpath, XPathExpr $combinedXpath): XPathExpr |
| 42 |
{ |
| 43 |
return $xpath->join('/descendant-or-self::*/', $combinedXpath); |
| 44 |
} |
| 45 |
|
| 46 |
public function translateChild(XPathExpr $xpath, XPathExpr $combinedXpath): XPathExpr |
| 47 |
{ |
| 48 |
return $xpath->join('/', $combinedXpath); |
| 49 |
} |
| 50 |
|
| 51 |
public function translateDirectAdjacent(XPathExpr $xpath, XPathExpr $combinedXpath): XPathExpr |
| 52 |
{ |
| 53 |
return $xpath |
| 54 |
->join('/following-sibling::', $combinedXpath) |
| 55 |
->addNameTest() |
| 56 |
->addCondition('position() = 1'); |
| 57 |
} |
| 58 |
|
| 59 |
public function translateIndirectAdjacent(XPathExpr $xpath, XPathExpr $combinedXpath): XPathExpr |
| 60 |
{ |
| 61 |
return $xpath->join('/following-sibling::', $combinedXpath); |
| 62 |
} |
| 63 |
|
| 64 |
/** |
| 65 |
* {@inheritdoc} |
| 66 |
*/ |
| 67 |
public function getName(): string |
| 68 |
{ |
| 69 |
return 'combination'; |
| 70 |
} |
| 71 |
} |
| 72 |
|
