wp-user-avatar
/
third-party
/
vendor
/
symfony
/
css-selector
/
XPath
/
Extension
/
PseudoClassExtension.php
AbstractExtension.php
2 months ago
AttributeMatchingExtension.php
2 months ago
CombinationExtension.php
2 months ago
ExtensionInterface.php
2 months ago
FunctionExtension.php
2 months ago
HtmlExtension.php
2 months ago
NodeExtension.php
2 months ago
PseudoClassExtension.php
2 months ago
PseudoClassExtension.php
87 lines
| 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 | namespace ProfilePressVendor\Symfony\Component\CssSelector\XPath\Extension; |
| 12 | |
| 13 | use ProfilePressVendor\Symfony\Component\CssSelector\Exception\ExpressionErrorException; |
| 14 | use ProfilePressVendor\Symfony\Component\CssSelector\XPath\XPathExpr; |
| 15 | /** |
| 16 | * XPath expression translator pseudo-class extension. |
| 17 | * |
| 18 | * This component is a port of the Python cssselect library, |
| 19 | * which is copyright Ian Bicking, @see https://github.com/SimonSapin/cssselect. |
| 20 | * |
| 21 | * @author Jean-François Simon <jeanfrancois.simon@sensiolabs.com> |
| 22 | * |
| 23 | * @internal |
| 24 | */ |
| 25 | class PseudoClassExtension extends AbstractExtension |
| 26 | { |
| 27 | /** |
| 28 | * {@inheritdoc} |
| 29 | */ |
| 30 | public function getPseudoClassTranslators(): array |
| 31 | { |
| 32 | return ['root' => [$this, 'translateRoot'], 'first-child' => [$this, 'translateFirstChild'], 'last-child' => [$this, 'translateLastChild'], 'first-of-type' => [$this, 'translateFirstOfType'], 'last-of-type' => [$this, 'translateLastOfType'], 'only-child' => [$this, 'translateOnlyChild'], 'only-of-type' => [$this, 'translateOnlyOfType'], 'empty' => [$this, 'translateEmpty']]; |
| 33 | } |
| 34 | public function translateRoot(XPathExpr $xpath): XPathExpr |
| 35 | { |
| 36 | return $xpath->addCondition('not(parent::*)'); |
| 37 | } |
| 38 | public function translateFirstChild(XPathExpr $xpath): XPathExpr |
| 39 | { |
| 40 | return $xpath->addStarPrefix()->addNameTest()->addCondition('position() = 1'); |
| 41 | } |
| 42 | public function translateLastChild(XPathExpr $xpath): XPathExpr |
| 43 | { |
| 44 | return $xpath->addStarPrefix()->addNameTest()->addCondition('position() = last()'); |
| 45 | } |
| 46 | /** |
| 47 | * @throws ExpressionErrorException |
| 48 | */ |
| 49 | public function translateFirstOfType(XPathExpr $xpath): XPathExpr |
| 50 | { |
| 51 | if ('*' === $xpath->getElement()) { |
| 52 | throw new ExpressionErrorException('"*:first-of-type" is not implemented.'); |
| 53 | } |
| 54 | return $xpath->addStarPrefix()->addCondition('position() = 1'); |
| 55 | } |
| 56 | /** |
| 57 | * @throws ExpressionErrorException |
| 58 | */ |
| 59 | public function translateLastOfType(XPathExpr $xpath): XPathExpr |
| 60 | { |
| 61 | if ('*' === $xpath->getElement()) { |
| 62 | throw new ExpressionErrorException('"*:last-of-type" is not implemented.'); |
| 63 | } |
| 64 | return $xpath->addStarPrefix()->addCondition('position() = last()'); |
| 65 | } |
| 66 | public function translateOnlyChild(XPathExpr $xpath): XPathExpr |
| 67 | { |
| 68 | return $xpath->addStarPrefix()->addNameTest()->addCondition('last() = 1'); |
| 69 | } |
| 70 | public function translateOnlyOfType(XPathExpr $xpath): XPathExpr |
| 71 | { |
| 72 | $element = $xpath->getElement(); |
| 73 | return $xpath->addCondition(sprintf('count(preceding-sibling::%s)=0 and count(following-sibling::%s)=0', $element, $element)); |
| 74 | } |
| 75 | public function translateEmpty(XPathExpr $xpath): XPathExpr |
| 76 | { |
| 77 | return $xpath->addCondition('not(*) and not(string-length())'); |
| 78 | } |
| 79 | /** |
| 80 | * {@inheritdoc} |
| 81 | */ |
| 82 | public function getName(): string |
| 83 | { |
| 84 | return 'pseudo-class'; |
| 85 | } |
| 86 | } |
| 87 |