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Directory >> /home/whitjouh/public_html/core/vendor/symfony/css-selector/XPath/Extension/

File / Folder	Size	Action
.	-
AbstractExtension.php	1.059KB	edt ren
AttributeMatchingExtens...	3.668KB	edt ren
CombinationExtension.php	1.827KB	edt ren
ExtensionInterface.php	1.505KB	edt ren
FunctionExtension.php	5.039KB	edt ren
HtmlExtension.php	5.672KB	edt ren
NodeExtension.php	5.688KB	edt ren
PseudoClassExtension.php	3.446KB	edt ren

<?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <fabien@symfony.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Symfony\Component\CssSelector\XPath\Extension;

use Symfony\Component\CssSelector\Node;
use Symfony\Component\CssSelector\XPath\Translator;
use Symfony\Component\CssSelector\XPath\XPathExpr;

/**
 * XPath expression translator node extension.
 *
 * 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 <jeanfrancois.simon@sensiolabs.com>
 *
 * @internal
 */
class NodeExtension extends AbstractExtension
{
    public const ELEMENT_NAME_IN_LOWER_CASE = 1;
    public const ATTRIBUTE_NAME_IN_LOWER_CASE = 2;
    public const ATTRIBUTE_VALUE_IN_LOWER_CASE = 4;

private int $flags;

public function __construct(int $flags = 0)
    {
        $this->flags = $flags;
    }

/**
     * @return $this
     */
    public function setFlag(int $flag, bool $on): static
    {
        if ($on && !$this->hasFlag($flag)) {
            $this->flags += $flag;
        }

if (!$on && $this->hasFlag($flag)) {
            $this->flags -= $flag;
        }

return $this;
    }

public function hasFlag(int $flag): bool
    {
        return (bool) ($this->flags & $flag);
    }

public function getNodeTranslators(): array
    {
        return [
            'Selector' => $this->translateSelector(...),
            'CombinedSelector' => $this->translateCombinedSelector(...),
            'Negation' => $this->translateNegation(...),
            'Function' => $this->translateFunction(...),
            'Pseudo' => $this->translatePseudo(...),
            'Attribute' => $this->translateAttribute(...),
            'Class' => $this->translateClass(...),
            'Hash' => $this->translateHash(...),
            'Element' => $this->translateElement(...),
        ];
    }

public function translateSelector(Node\SelectorNode $node, Translator $translator): XPathExpr
    {
        return $translator->nodeToXPath($node->getTree());
    }

public function translateCombinedSelector(Node\CombinedSelectorNode $node, Translator $translator): XPathExpr
    {
        return $translator->addCombination($node->getCombinator(), $node->getSelector(), $node->getSubSelector());
    }

public function translateNegation(Node\NegationNode $node, Translator $translator): XPathExpr
    {
        $xpath = $translator->nodeToXPath($node->getSelector());
        $subXpath = $translator->nodeToXPath($node->getSubSelector());
        $subXpath->addNameTest();

if ($subXpath->getCondition()) {
            return $xpath->addCondition(sprintf('not(%s)', $subXpath->getCondition()));
        }

return $xpath->addCondition('0');
    }

public function translateFunction(Node\FunctionNode $node, Translator $translator): XPathExpr
    {
        $xpath = $translator->nodeToXPath($node->getSelector());

return $translator->addFunction($xpath, $node);
    }

public function translatePseudo(Node\PseudoNode $node, Translator $translator): XPathExpr
    {
        $xpath = $translator->nodeToXPath($node->getSelector());

return $translator->addPseudoClass($xpath, $node->getIdentifier());
    }

public function translateAttribute(Node\AttributeNode $node, Translator $translator): XPathExpr
    {
        $name = $node->getAttribute();
        $safe = $this->isSafeName($name);

if ($this->hasFlag(self::ATTRIBUTE_NAME_IN_LOWER_CASE)) {
            $name = strtolower($name);
        }

if ($node->getNamespace()) {
            $name = sprintf('%s:%s', $node->getNamespace(), $name);
            $safe = $safe && $this->isSafeName($node->getNamespace());
        }

$attribute = $safe ? '@'.$name : sprintf('attribute::*[name() = %s]', Translator::getXpathLiteral($name));
        $value = $node->getValue();
        $xpath = $translator->nodeToXPath($node->getSelector());

if ($this->hasFlag(self::ATTRIBUTE_VALUE_IN_LOWER_CASE)) {
            $value = strtolower($value);
        }

return $translator->addAttributeMatching($xpath, $node->getOperator(), $attribute, $value);
    }

public function translateClass(Node\ClassNode $node, Translator $translator): XPathExpr
    {
        $xpath = $translator->nodeToXPath($node->getSelector());

return $translator->addAttributeMatching($xpath, '~=', '@class', $node->getName());
    }

public function translateHash(Node\HashNode $node, Translator $translator): XPathExpr
    {
        $xpath = $translator->nodeToXPath($node->getSelector());

return $translator->addAttributeMatching($xpath, '=', '@id', $node->getId());
    }

public function translateElement(Node\ElementNode $node): XPathExpr
    {
        $element = $node->getElement();

if ($element && $this->hasFlag(self::ELEMENT_NAME_IN_LOWER_CASE)) {
            $element = strtolower($element);
        }

if ($element) {
            $safe = $this->isSafeName($element);
        } else {
            $element = '*';
            $safe = true;
        }

if ($node->getNamespace()) {
            $element = sprintf('%s:%s', $node->getNamespace(), $element);
            $safe = $safe && $this->isSafeName($node->getNamespace());
        }

$xpath = new XPathExpr('', $element);

if (!$safe) {
            $xpath->addNameTest();
        }

return $xpath;
    }

public function getName(): string
    {
        return 'node';
    }

private function isSafeName(string $name): bool
    {
        return 0 < preg_match('~^[a-zA-Z_][a-zA-Z0-9_.-]*$~', $name);
    }
}

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