first commit

vendor/symfony/css-selector/CHANGELOG.md

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+CHANGELOG
+=========
+
+6.3
+-----
+
+ * Add support for `:scope`
+
+4.4.0
+-----
+
+ * Added support for `*:only-of-type`
+
+2.8.0
+-----
+
+ * Added the `CssSelectorConverter` class as a non-static API for the component.
+ * Deprecated the `CssSelector` static API of the component.
+
+2.1.0
+-----
+
+ * none

vendor/symfony/css-selector/CssSelectorConverter.php

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+<?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;
+
+use Symfony\Component\CssSelector\Parser\Shortcut\ClassParser;
+use Symfony\Component\CssSelector\Parser\Shortcut\ElementParser;
+use Symfony\Component\CssSelector\Parser\Shortcut\EmptyStringParser;
+use Symfony\Component\CssSelector\Parser\Shortcut\HashParser;
+use Symfony\Component\CssSelector\XPath\Extension\HtmlExtension;
+use Symfony\Component\CssSelector\XPath\Translator;
+
+/**
+ * CssSelectorConverter is the main entry point of the component and can convert CSS
+ * selectors to XPath expressions.
+ *
+ * @author Christophe Coevoet <stof@notk.org>
+ */
+class CssSelectorConverter
+{
+    private Translator $translator;
+    private array $cache;
+
+    private static array $xmlCache = [];
+    private static array $htmlCache = [];
+
+    /**
+     * @param bool $html Whether HTML support should be enabled. Disable it for XML documents
+     */
+    public function __construct(bool $html = true)
+    {
+        $this->translator = new Translator();
+
+        if ($html) {
+            $this->translator->registerExtension(new HtmlExtension($this->translator));
+            $this->cache = &self::$htmlCache;
+        } else {
+            $this->cache = &self::$xmlCache;
+        }
+
+        $this->translator
+            ->registerParserShortcut(new EmptyStringParser())
+            ->registerParserShortcut(new ElementParser())
+            ->registerParserShortcut(new ClassParser())
+            ->registerParserShortcut(new HashParser())
+        ;
+    }
+
+    /**
+     * Translates a CSS expression to its XPath equivalent.
+     *
+     * Optionally, a prefix can be added to the resulting XPath
+     * expression with the $prefix parameter.
+     */
+    public function toXPath(string $cssExpr, string $prefix = 'descendant-or-self::'): string
+    {
+        return $this->cache[$prefix][$cssExpr] ??= $this->translator->cssToXPath($cssExpr, $prefix);
+    }
+}

vendor/symfony/css-selector/Exception/ExceptionInterface.php

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+<?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\Exception;
+
+/**
+ * Interface for exceptions.
+ *
+ * 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>
+ */
+interface ExceptionInterface extends \Throwable
+{
+}

vendor/symfony/css-selector/Exception/ExpressionErrorException.php

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+<?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\Exception;
+
+/**
+ * ParseException is thrown when a CSS selector syntax is not valid.
+ *
+ * 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>
+ */
+class ExpressionErrorException extends ParseException
+{
+}

vendor/symfony/css-selector/Exception/InternalErrorException.php

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+<?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\Exception;
+
+/**
+ * ParseException is thrown when a CSS selector syntax is not valid.
+ *
+ * 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>
+ */
+class InternalErrorException extends ParseException
+{
+}

vendor/symfony/css-selector/Exception/ParseException.php

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+<?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\Exception;
+
+/**
+ * ParseException is thrown when a CSS selector syntax is not valid.
+ *
+ * This component is a port of the Python cssselect library,
+ * which is copyright Ian Bicking, @see https://github.com/SimonSapin/cssselect.
+ *
+ * @author Fabien Potencier <fabien@symfony.com>
+ */
+class ParseException extends \Exception implements ExceptionInterface
+{
+}

vendor/symfony/css-selector/Exception/SyntaxErrorException.php

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+<?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\Exception;
+
+use Symfony\Component\CssSelector\Parser\Token;
+
+/**
+ * ParseException is thrown when a CSS selector syntax is not valid.
+ *
+ * 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>
+ */
+class SyntaxErrorException extends ParseException
+{
+    public static function unexpectedToken(string $expectedValue, Token $foundToken): self
+    {
+        return new self(sprintf('Expected %s, but %s found.', $expectedValue, $foundToken));
+    }
+
+    public static function pseudoElementFound(string $pseudoElement, string $unexpectedLocation): self
+    {
+        return new self(sprintf('Unexpected pseudo-element "::%s" found %s.', $pseudoElement, $unexpectedLocation));
+    }
+
+    public static function unclosedString(int $position): self
+    {
+        return new self(sprintf('Unclosed/invalid string at %s.', $position));
+    }
+
+    public static function nestedNot(): self
+    {
+        return new self('Got nested ::not().');
+    }
+
+    public static function notAtTheStartOfASelector(string $pseudoElement): self
+    {
+        return new self(sprintf('Got immediate child pseudo-element ":%s" not at the start of a selector', $pseudoElement));
+    }
+
+    public static function stringAsFunctionArgument(): self
+    {
+        return new self('String not allowed as function argument.');
+    }
+}

vendor/symfony/css-selector/LICENSE

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+Copyright (c) 2004-present Fabien Potencier
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is furnished
+to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.

vendor/symfony/css-selector/Node/AbstractNode.php

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+<?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\Node;
+
+/**
+ * Abstract base node class.
+ *
+ * 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
+ */
+abstract class AbstractNode implements NodeInterface
+{
+    private string $nodeName;
+
+    public function getNodeName(): string
+    {
+        return $this->nodeName ??= preg_replace('~.*\\\\([^\\\\]+)Node$~', '$1', static::class);
+    }
+}

vendor/symfony/css-selector/Node/AttributeNode.php

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+<?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\Node;
+
+/**
+ * Represents a "<selector>[<namespace>|<attribute> <operator> <value>]" node.
+ *
+ * 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 AttributeNode extends AbstractNode
+{
+    private NodeInterface $selector;
+    private ?string $namespace;
+    private string $attribute;
+    private string $operator;
+    private ?string $value;
+
+    public function __construct(NodeInterface $selector, ?string $namespace, string $attribute, string $operator, ?string $value)
+    {
+        $this->selector = $selector;
+        $this->namespace = $namespace;
+        $this->attribute = $attribute;
+        $this->operator = $operator;
+        $this->value = $value;
+    }
+
+    public function getSelector(): NodeInterface
+    {
+        return $this->selector;
+    }
+
+    public function getNamespace(): ?string
+    {
+        return $this->namespace;
+    }
+
+    public function getAttribute(): string
+    {
+        return $this->attribute;
+    }
+
+    public function getOperator(): string
+    {
+        return $this->operator;
+    }
+
+    public function getValue(): ?string
+    {
+        return $this->value;
+    }
+
+    public function getSpecificity(): Specificity
+    {
+        return $this->selector->getSpecificity()->plus(new Specificity(0, 1, 0));
+    }
+
+    public function __toString(): string
+    {
+        $attribute = $this->namespace ? $this->namespace.'|'.$this->attribute : $this->attribute;
+
+        return 'exists' === $this->operator
+            ? sprintf('%s[%s[%s]]', $this->getNodeName(), $this->selector, $attribute)
+            : sprintf("%s[%s[%s %s '%s']]", $this->getNodeName(), $this->selector, $attribute, $this->operator, $this->value);
+    }
+}

vendor/symfony/css-selector/Node/ClassNode.php

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+<?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\Node;
+
+/**
+ * Represents a "<selector>.<name>" node.
+ *
+ * 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 ClassNode extends AbstractNode
+{
+    private NodeInterface $selector;
+    private string $name;
+
+    public function __construct(NodeInterface $selector, string $name)
+    {
+        $this->selector = $selector;
+        $this->name = $name;
+    }
+
+    public function getSelector(): NodeInterface
+    {
+        return $this->selector;
+    }
+
+    public function getName(): string
+    {
+        return $this->name;
+    }
+
+    public function getSpecificity(): Specificity
+    {
+        return $this->selector->getSpecificity()->plus(new Specificity(0, 1, 0));
+    }
+
+    public function __toString(): string
+    {
+        return sprintf('%s[%s.%s]', $this->getNodeName(), $this->selector, $this->name);
+    }
+}

vendor/symfony/css-selector/Node/CombinedSelectorNode.php

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+<?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\Node;
+
+/**
+ * Represents a combined node.
+ *
+ * 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 CombinedSelectorNode extends AbstractNode
+{
+    private NodeInterface $selector;
+    private string $combinator;
+    private NodeInterface $subSelector;
+
+    public function __construct(NodeInterface $selector, string $combinator, NodeInterface $subSelector)
+    {
+        $this->selector = $selector;
+        $this->combinator = $combinator;
+        $this->subSelector = $subSelector;
+    }
+
+    public function getSelector(): NodeInterface
+    {
+        return $this->selector;
+    }
+
+    public function getCombinator(): string
+    {
+        return $this->combinator;
+    }
+
+    public function getSubSelector(): NodeInterface
+    {
+        return $this->subSelector;
+    }
+
+    public function getSpecificity(): Specificity
+    {
+        return $this->selector->getSpecificity()->plus($this->subSelector->getSpecificity());
+    }
+
+    public function __toString(): string
+    {
+        $combinator = ' ' === $this->combinator ? '<followed>' : $this->combinator;
+
+        return sprintf('%s[%s %s %s]', $this->getNodeName(), $this->selector, $combinator, $this->subSelector);
+    }
+}

vendor/symfony/css-selector/Node/ElementNode.php

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+<?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\Node;
+
+/**
+ * Represents a "<namespace>|<element>" node.
+ *
+ * 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 ElementNode extends AbstractNode
+{
+    private ?string $namespace;
+    private ?string $element;
+
+    public function __construct(?string $namespace = null, ?string $element = null)
+    {
+        $this->namespace = $namespace;
+        $this->element = $element;
+    }
+
+    public function getNamespace(): ?string
+    {
+        return $this->namespace;
+    }
+
+    public function getElement(): ?string
+    {
+        return $this->element;
+    }
+
+    public function getSpecificity(): Specificity
+    {
+        return new Specificity(0, 0, $this->element ? 1 : 0);
+    }
+
+    public function __toString(): string
+    {
+        $element = $this->element ?: '*';
+
+        return sprintf('%s[%s]', $this->getNodeName(), $this->namespace ? $this->namespace.'|'.$element : $element);
+    }
+}

vendor/symfony/css-selector/Node/FunctionNode.php

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+<?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\Node;
+
+use Symfony\Component\CssSelector\Parser\Token;
+
+/**
+ * Represents a "<selector>:<name>(<arguments>)" node.
+ *
+ * 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 FunctionNode extends AbstractNode
+{
+    private NodeInterface $selector;
+    private string $name;
+    private array $arguments;
+
+    /**
+     * @param Token[] $arguments
+     */
+    public function __construct(NodeInterface $selector, string $name, array $arguments = [])
+    {
+        $this->selector = $selector;
+        $this->name = strtolower($name);
+        $this->arguments = $arguments;
+    }
+
+    public function getSelector(): NodeInterface
+    {
+        return $this->selector;
+    }
+
+    public function getName(): string
+    {
+        return $this->name;
+    }
+
+    /**
+     * @return Token[]
+     */
+    public function getArguments(): array
+    {
+        return $this->arguments;
+    }
+
+    public function getSpecificity(): Specificity
+    {
+        return $this->selector->getSpecificity()->plus(new Specificity(0, 1, 0));
+    }
+
+    public function __toString(): string
+    {
+        $arguments = implode(', ', array_map(fn (Token $token) => "'".$token->getValue()."'", $this->arguments));
+
+        return sprintf('%s[%s:%s(%s)]', $this->getNodeName(), $this->selector, $this->name, $arguments ? '['.$arguments.']' : '');
+    }
+}

vendor/symfony/css-selector/Node/HashNode.php

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+<?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\Node;
+
+/**
+ * Represents a "<selector>#<id>" node.
+ *
+ * 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 HashNode extends AbstractNode
+{
+    private NodeInterface $selector;
+    private string $id;
+
+    public function __construct(NodeInterface $selector, string $id)
+    {
+        $this->selector = $selector;
+        $this->id = $id;
+    }
+
+    public function getSelector(): NodeInterface
+    {
+        return $this->selector;
+    }
+
+    public function getId(): string
+    {
+        return $this->id;
+    }
+
+    public function getSpecificity(): Specificity
+    {
+        return $this->selector->getSpecificity()->plus(new Specificity(1, 0, 0));
+    }
+
+    public function __toString(): string
+    {
+        return sprintf('%s[%s#%s]', $this->getNodeName(), $this->selector, $this->id);
+    }
+}

vendor/symfony/css-selector/Node/NegationNode.php

@@ -0,0 +1,54 @@
+<?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\Node;
+
+/**
+ * Represents a "<selector>:not(<identifier>)" node.
+ *
+ * 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 NegationNode extends AbstractNode
+{
+    private NodeInterface $selector;
+    private NodeInterface $subSelector;
+
+    public function __construct(NodeInterface $selector, NodeInterface $subSelector)
+    {
+        $this->selector = $selector;
+        $this->subSelector = $subSelector;
+    }
+
+    public function getSelector(): NodeInterface
+    {
+        return $this->selector;
+    }
+
+    public function getSubSelector(): NodeInterface
+    {
+        return $this->subSelector;
+    }
+
+    public function getSpecificity(): Specificity
+    {
+        return $this->selector->getSpecificity()->plus($this->subSelector->getSpecificity());
+    }
+
+    public function __toString(): string
+    {
+        return sprintf('%s[%s:not(%s)]', $this->getNodeName(), $this->selector, $this->subSelector);
+    }
+}

vendor/symfony/css-selector/Node/NodeInterface.php

@@ -0,0 +1,29 @@
+<?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\Node;
+
+/**
+ * Interface for nodes.
+ *
+ * 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
+ */
+interface NodeInterface extends \Stringable
+{
+    public function getNodeName(): string;
+
+    public function getSpecificity(): Specificity;
+}

vendor/symfony/css-selector/Node/PseudoNode.php

@@ -0,0 +1,54 @@
+<?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\Node;
+
+/**
+ * Represents a "<selector>:<identifier>" node.
+ *
+ * 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 PseudoNode extends AbstractNode
+{
+    private NodeInterface $selector;
+    private string $identifier;
+
+    public function __construct(NodeInterface $selector, string $identifier)
+    {
+        $this->selector = $selector;
+        $this->identifier = strtolower($identifier);
+    }
+
+    public function getSelector(): NodeInterface
+    {
+        return $this->selector;
+    }
+
+    public function getIdentifier(): string
+    {
+        return $this->identifier;
+    }
+
+    public function getSpecificity(): Specificity
+    {
+        return $this->selector->getSpecificity()->plus(new Specificity(0, 1, 0));
+    }
+
+    public function __toString(): string
+    {
+        return sprintf('%s[%s:%s]', $this->getNodeName(), $this->selector, $this->identifier);
+    }
+}

vendor/symfony/css-selector/Node/SelectorNode.php

@@ -0,0 +1,54 @@
+<?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\Node;
+
+/**
+ * Represents a "<selector>(::|:)<pseudoElement>" node.
+ *
+ * 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 SelectorNode extends AbstractNode
+{
+    private NodeInterface $tree;
+    private ?string $pseudoElement;
+
+    public function __construct(NodeInterface $tree, ?string $pseudoElement = null)
+    {
+        $this->tree = $tree;
+        $this->pseudoElement = $pseudoElement ? strtolower($pseudoElement) : null;
+    }
+
+    public function getTree(): NodeInterface
+    {
+        return $this->tree;
+    }
+
+    public function getPseudoElement(): ?string
+    {
+        return $this->pseudoElement;
+    }
+
+    public function getSpecificity(): Specificity
+    {
+        return $this->tree->getSpecificity()->plus(new Specificity(0, 0, $this->pseudoElement ? 1 : 0));
+    }
+
+    public function __toString(): string
+    {
+        return sprintf('%s[%s%s]', $this->getNodeName(), $this->tree, $this->pseudoElement ? '::'.$this->pseudoElement : '');
+    }
+}

vendor/symfony/css-selector/Node/Specificity.php

@@ -0,0 +1,73 @@
+<?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\Node;
+
+/**
+ * Represents a node specificity.
+ *
+ * This component is a port of the Python cssselect library,
+ * which is copyright Ian Bicking, @see https://github.com/SimonSapin/cssselect.
+ *
+ * @see http://www.w3.org/TR/selectors/#specificity
+ *
+ * @author Jean-François Simon <jeanfrancois.simon@sensiolabs.com>
+ *
+ * @internal
+ */
+class Specificity
+{
+    public const A_FACTOR = 100;
+    public const B_FACTOR = 10;
+    public const C_FACTOR = 1;
+
+    private int $a;
+    private int $b;
+    private int $c;
+
+    public function __construct(int $a, int $b, int $c)
+    {
+        $this->a = $a;
+        $this->b = $b;
+        $this->c = $c;
+    }
+
+    public function plus(self $specificity): self
+    {
+        return new self($this->a + $specificity->a, $this->b + $specificity->b, $this->c + $specificity->c);
+    }
+
+    public function getValue(): int
+    {
+        return $this->a * self::A_FACTOR + $this->b * self::B_FACTOR + $this->c * self::C_FACTOR;
+    }
+
+    /**
+     * Returns -1 if the object specificity is lower than the argument,
+     * 0 if they are equal, and 1 if the argument is lower.
+     */
+    public function compareTo(self $specificity): int
+    {
+        if ($this->a !== $specificity->a) {
+            return $this->a > $specificity->a ? 1 : -1;
+        }
+
+        if ($this->b !== $specificity->b) {
+            return $this->b > $specificity->b ? 1 : -1;
+        }
+
+        if ($this->c !== $specificity->c) {
+            return $this->c > $specificity->c ? 1 : -1;
+        }
+
+        return 0;
+    }
+}

vendor/symfony/css-selector/Parser/Handler/CommentHandler.php

@@ -0,0 +1,45 @@
+<?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\Parser\Handler;
+
+use Symfony\Component\CssSelector\Parser\Reader;
+use Symfony\Component\CssSelector\Parser\TokenStream;
+
+/**
+ * CSS selector comment handler.
+ *
+ * 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 CommentHandler implements HandlerInterface
+{
+    public function handle(Reader $reader, TokenStream $stream): bool
+    {
+        if ('/*' !== $reader->getSubstring(2)) {
+            return false;
+        }
+
+        $offset = $reader->getOffset('*/');
+
+        if (false === $offset) {
+            $reader->moveToEnd();
+        } else {
+            $reader->moveForward($offset + 2);
+        }
+
+        return true;
+    }
+}

vendor/symfony/css-selector/Parser/Handler/HandlerInterface.php

@@ -0,0 +1,30 @@
+<?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\Parser\Handler;
+
+use Symfony\Component\CssSelector\Parser\Reader;
+use Symfony\Component\CssSelector\Parser\TokenStream;
+
+/**
+ * CSS selector handler interface.
+ *
+ * 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
+ */
+interface HandlerInterface
+{
+    public function handle(Reader $reader, TokenStream $stream): bool;
+}

vendor/symfony/css-selector/Parser/Handler/HashHandler.php

@@ -0,0 +1,55 @@
+<?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\Parser\Handler;
+
+use Symfony\Component\CssSelector\Parser\Reader;
+use Symfony\Component\CssSelector\Parser\Token;
+use Symfony\Component\CssSelector\Parser\Tokenizer\TokenizerEscaping;
+use Symfony\Component\CssSelector\Parser\Tokenizer\TokenizerPatterns;
+use Symfony\Component\CssSelector\Parser\TokenStream;
+
+/**
+ * CSS selector comment handler.
+ *
+ * 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 HashHandler implements HandlerInterface
+{
+    private TokenizerPatterns $patterns;
+    private TokenizerEscaping $escaping;
+
+    public function __construct(TokenizerPatterns $patterns, TokenizerEscaping $escaping)
+    {
+        $this->patterns = $patterns;
+        $this->escaping = $escaping;
+    }
+
+    public function handle(Reader $reader, TokenStream $stream): bool
+    {
+        $match = $reader->findPattern($this->patterns->getHashPattern());
+
+        if (!$match) {
+            return false;
+        }
+
+        $value = $this->escaping->escapeUnicode($match[1]);
+        $stream->push(new Token(Token::TYPE_HASH, $value, $reader->getPosition()));
+        $reader->moveForward(\strlen($match[0]));
+
+        return true;
+    }
+}

vendor/symfony/css-selector/Parser/Handler/IdentifierHandler.php

@@ -0,0 +1,55 @@
+<?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\Parser\Handler;
+
+use Symfony\Component\CssSelector\Parser\Reader;
+use Symfony\Component\CssSelector\Parser\Token;
+use Symfony\Component\CssSelector\Parser\Tokenizer\TokenizerEscaping;
+use Symfony\Component\CssSelector\Parser\Tokenizer\TokenizerPatterns;
+use Symfony\Component\CssSelector\Parser\TokenStream;
+
+/**
+ * CSS selector comment handler.
+ *
+ * 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 IdentifierHandler implements HandlerInterface
+{
+    private TokenizerPatterns $patterns;
+    private TokenizerEscaping $escaping;
+
+    public function __construct(TokenizerPatterns $patterns, TokenizerEscaping $escaping)
+    {
+        $this->patterns = $patterns;
+        $this->escaping = $escaping;
+    }
+
+    public function handle(Reader $reader, TokenStream $stream): bool
+    {
+        $match = $reader->findPattern($this->patterns->getIdentifierPattern());
+
+        if (!$match) {
+            return false;
+        }
+
+        $value = $this->escaping->escapeUnicode($match[0]);
+        $stream->push(new Token(Token::TYPE_IDENTIFIER, $value, $reader->getPosition()));
+        $reader->moveForward(\strlen($match[0]));
+
+        return true;
+    }
+}

vendor/symfony/css-selector/Parser/Handler/NumberHandler.php

@@ -0,0 +1,51 @@
+<?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\Parser\Handler;
+
+use Symfony\Component\CssSelector\Parser\Reader;
+use Symfony\Component\CssSelector\Parser\Token;
+use Symfony\Component\CssSelector\Parser\Tokenizer\TokenizerPatterns;
+use Symfony\Component\CssSelector\Parser\TokenStream;
+
+/**
+ * CSS selector comment handler.
+ *
+ * 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 NumberHandler implements HandlerInterface
+{
+    private TokenizerPatterns $patterns;
+
+    public function __construct(TokenizerPatterns $patterns)
+    {
+        $this->patterns = $patterns;
+    }
+
+    public function handle(Reader $reader, TokenStream $stream): bool
+    {
+        $match = $reader->findPattern($this->patterns->getNumberPattern());
+
+        if (!$match) {
+            return false;
+        }
+
+        $stream->push(new Token(Token::TYPE_NUMBER, $match[0], $reader->getPosition()));
+        $reader->moveForward(\strlen($match[0]));
+
+        return true;
+    }
+}

vendor/symfony/css-selector/Parser/Handler/StringHandler.php

@@ -0,0 +1,74 @@
+<?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\Parser\Handler;
+
+use Symfony\Component\CssSelector\Exception\InternalErrorException;
+use Symfony\Component\CssSelector\Exception\SyntaxErrorException;
+use Symfony\Component\CssSelector\Parser\Reader;
+use Symfony\Component\CssSelector\Parser\Token;
+use Symfony\Component\CssSelector\Parser\Tokenizer\TokenizerEscaping;
+use Symfony\Component\CssSelector\Parser\Tokenizer\TokenizerPatterns;
+use Symfony\Component\CssSelector\Parser\TokenStream;
+
+/**
+ * CSS selector comment handler.
+ *
+ * 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 StringHandler implements HandlerInterface
+{
+    private TokenizerPatterns $patterns;
+    private TokenizerEscaping $escaping;
+
+    public function __construct(TokenizerPatterns $patterns, TokenizerEscaping $escaping)
+    {
+        $this->patterns = $patterns;
+        $this->escaping = $escaping;
+    }
+
+    public function handle(Reader $reader, TokenStream $stream): bool
+    {
+        $quote = $reader->getSubstring(1);
+
+        if (!\in_array($quote, ["'", '"'])) {
+            return false;
+        }
+
+        $reader->moveForward(1);
+        $match = $reader->findPattern($this->patterns->getQuotedStringPattern($quote));
+
+        if (!$match) {
+            throw new InternalErrorException(sprintf('Should have found at least an empty match at %d.', $reader->getPosition()));
+        }
+
+        // check unclosed strings
+        if (\strlen($match[0]) === $reader->getRemainingLength()) {
+            throw SyntaxErrorException::unclosedString($reader->getPosition() - 1);
+        }
+
+        // check quotes pairs validity
+        if ($quote !== $reader->getSubstring(1, \strlen($match[0]))) {
+            throw SyntaxErrorException::unclosedString($reader->getPosition() - 1);
+        }
+
+        $string = $this->escaping->escapeUnicodeAndNewLine($match[0]);
+        $stream->push(new Token(Token::TYPE_STRING, $string, $reader->getPosition()));
+        $reader->moveForward(\strlen($match[0]) + 1);
+
+        return true;
+    }
+}

vendor/symfony/css-selector/Parser/Handler/WhitespaceHandler.php

@@ -0,0 +1,43 @@
+<?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\Parser\Handler;
+
+use Symfony\Component\CssSelector\Parser\Reader;
+use Symfony\Component\CssSelector\Parser\Token;
+use Symfony\Component\CssSelector\Parser\TokenStream;
+
+/**
+ * CSS selector whitespace handler.
+ *
+ * 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 WhitespaceHandler implements HandlerInterface
+{
+    public function handle(Reader $reader, TokenStream $stream): bool
+    {
+        $match = $reader->findPattern('~^[ \t\r\n\f]+~');
+
+        if (false === $match) {
+            return false;
+        }
+
+        $stream->push(new Token(Token::TYPE_WHITESPACE, $match[0], $reader->getPosition()));
+        $reader->moveForward(\strlen($match[0]));
+
+        return true;
+    }
+}

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

@@ -0,0 +1,359 @@
+<?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\Parser;
+
+use Symfony\Component\CssSelector\Exception\SyntaxErrorException;
+use Symfony\Component\CssSelector\Node;
+use Symfony\Component\CssSelector\Parser\Tokenizer\Tokenizer;
+
+/**
+ * CSS selector parser.
+ *
+ * This component is a port of the Python cssselect library,
+ * which is copyright Ian Bicking, @see https://github.com/scrapy/cssselect.
+ *
+ * @author Jean-François Simon <jeanfrancois.simon@sensiolabs.com>
+ *
+ * @internal
+ */
+class Parser implements ParserInterface
+{
+    private Tokenizer $tokenizer;
+
+    public function __construct(?Tokenizer $tokenizer = null)
+    {
+        $this->tokenizer = $tokenizer ?? new Tokenizer();
+    }
+
+    public function parse(string $source): array
+    {
+        $reader = new Reader($source);
+        $stream = $this->tokenizer->tokenize($reader);
+
+        return $this->parseSelectorList($stream);
+    }
+
+    /**
+     * Parses the arguments for ":nth-child()" and friends.
+     *
+     * @param Token[] $tokens
+     *
+     * @throws SyntaxErrorException
+     */
+    public static function parseSeries(array $tokens): array
+    {
+        foreach ($tokens as $token) {
+            if ($token->isString()) {
+                throw SyntaxErrorException::stringAsFunctionArgument();
+            }
+        }
+
+        $joined = trim(implode('', array_map(fn (Token $token) => $token->getValue(), $tokens)));
+
+        $int = function ($string) {
+            if (!is_numeric($string)) {
+                throw SyntaxErrorException::stringAsFunctionArgument();
+            }
+
+            return (int) $string;
+        };
+
+        switch (true) {
+            case 'odd' === $joined:
+                return [2, 1];
+            case 'even' === $joined:
+                return [2, 0];
+            case 'n' === $joined:
+                return [1, 0];
+            case !str_contains($joined, 'n'):
+                return [0, $int($joined)];
+        }
+
+        $split = explode('n', $joined);
+        $first = $split[0] ?? null;
+
+        return [
+            $first ? ('-' === $first || '+' === $first ? $int($first.'1') : $int($first)) : 1,
+            isset($split[1]) && $split[1] ? $int($split[1]) : 0,
+        ];
+    }
+
+    private function parseSelectorList(TokenStream $stream): array
+    {
+        $stream->skipWhitespace();
+        $selectors = [];
+
+        while (true) {
+            $selectors[] = $this->parserSelectorNode($stream);
+
+            if ($stream->getPeek()->isDelimiter([','])) {
+                $stream->getNext();
+                $stream->skipWhitespace();
+            } else {
+                break;
+            }
+        }
+
+        return $selectors;
+    }
+
+    private function parserSelectorNode(TokenStream $stream): Node\SelectorNode
+    {
+        [$result, $pseudoElement] = $this->parseSimpleSelector($stream);
+
+        while (true) {
+            $stream->skipWhitespace();
+            $peek = $stream->getPeek();
+
+            if ($peek->isFileEnd() || $peek->isDelimiter([','])) {
+                break;
+            }
+
+            if (null !== $pseudoElement) {
+                throw SyntaxErrorException::pseudoElementFound($pseudoElement, 'not at the end of a selector');
+            }
+
+            if ($peek->isDelimiter(['+', '>', '~'])) {
+                $combinator = $stream->getNext()->getValue();
+                $stream->skipWhitespace();
+            } else {
+                $combinator = ' ';
+            }
+
+            [$nextSelector, $pseudoElement] = $this->parseSimpleSelector($stream);
+            $result = new Node\CombinedSelectorNode($result, $combinator, $nextSelector);
+        }
+
+        return new Node\SelectorNode($result, $pseudoElement);
+    }
+
+    /**
+     * Parses next simple node (hash, class, pseudo, negation).
+     *
+     * @throws SyntaxErrorException
+     */
+    private function parseSimpleSelector(TokenStream $stream, bool $insideNegation = false): array
+    {
+        $stream->skipWhitespace();
+
+        $selectorStart = \count($stream->getUsed());
+        $result = $this->parseElementNode($stream);
+        $pseudoElement = null;
+
+        while (true) {
+            $peek = $stream->getPeek();
+            if ($peek->isWhitespace()
+                || $peek->isFileEnd()
+                || $peek->isDelimiter([',', '+', '>', '~'])
+                || ($insideNegation && $peek->isDelimiter([')']))
+            ) {
+                break;
+            }
+
+            if (null !== $pseudoElement) {
+                throw SyntaxErrorException::pseudoElementFound($pseudoElement, 'not at the end of a selector');
+            }
+
+            if ($peek->isHash()) {
+                $result = new Node\HashNode($result, $stream->getNext()->getValue());
+            } elseif ($peek->isDelimiter(['.'])) {
+                $stream->getNext();
+                $result = new Node\ClassNode($result, $stream->getNextIdentifier());
+            } elseif ($peek->isDelimiter(['['])) {
+                $stream->getNext();
+                $result = $this->parseAttributeNode($result, $stream);
+            } elseif ($peek->isDelimiter([':'])) {
+                $stream->getNext();
+
+                if ($stream->getPeek()->isDelimiter([':'])) {
+                    $stream->getNext();
+                    $pseudoElement = $stream->getNextIdentifier();
+
+                    continue;
+                }
+
+                $identifier = $stream->getNextIdentifier();
+                if (\in_array(strtolower($identifier), ['first-line', 'first-letter', 'before', 'after'])) {
+                    // Special case: CSS 2.1 pseudo-elements can have a single ':'.
+                    // Any new pseudo-element must have two.
+                    $pseudoElement = $identifier;
+
+                    continue;
+                }
+
+                if (!$stream->getPeek()->isDelimiter(['('])) {
+                    $result = new Node\PseudoNode($result, $identifier);
+                    if ('Pseudo[Element[*]:scope]' === $result->__toString()) {
+                        $used = \count($stream->getUsed());
+                        if (!(2 === $used
+                           || 3 === $used && $stream->getUsed()[0]->isWhiteSpace()
+                           || $used >= 3 && $stream->getUsed()[$used - 3]->isDelimiter([','])
+                           || $used >= 4
+                                && $stream->getUsed()[$used - 3]->isWhiteSpace()
+                                && $stream->getUsed()[$used - 4]->isDelimiter([','])
+                        )) {
+                            throw SyntaxErrorException::notAtTheStartOfASelector('scope');
+                        }
+                    }
+                    continue;
+                }
+
+                $stream->getNext();
+                $stream->skipWhitespace();
+
+                if ('not' === strtolower($identifier)) {
+                    if ($insideNegation) {
+                        throw SyntaxErrorException::nestedNot();
+                    }
+
+                    [$argument, $argumentPseudoElement] = $this->parseSimpleSelector($stream, true);
+                    $next = $stream->getNext();
+
+                    if (null !== $argumentPseudoElement) {
+                        throw SyntaxErrorException::pseudoElementFound($argumentPseudoElement, 'inside ::not()');
+                    }
+
+                    if (!$next->isDelimiter([')'])) {
+                        throw SyntaxErrorException::unexpectedToken('")"', $next);
+                    }
+
+                    $result = new Node\NegationNode($result, $argument);
+                } else {
+                    $arguments = [];
+                    $next = null;
+
+                    while (true) {
+                        $stream->skipWhitespace();
+                        $next = $stream->getNext();
+
+                        if ($next->isIdentifier()
+                            || $next->isString()
+                            || $next->isNumber()
+                            || $next->isDelimiter(['+', '-'])
+                        ) {
+                            $arguments[] = $next;
+                        } elseif ($next->isDelimiter([')'])) {
+                            break;
+                        } else {
+                            throw SyntaxErrorException::unexpectedToken('an argument', $next);
+                        }
+                    }
+
+                    if (!$arguments) {
+                        throw SyntaxErrorException::unexpectedToken('at least one argument', $next);
+                    }
+
+                    $result = new Node\FunctionNode($result, $identifier, $arguments);
+                }
+            } else {
+                throw SyntaxErrorException::unexpectedToken('selector', $peek);
+            }
+        }
+
+        if (\count($stream->getUsed()) === $selectorStart) {
+            throw SyntaxErrorException::unexpectedToken('selector', $stream->getPeek());
+        }
+
+        return [$result, $pseudoElement];
+    }
+
+    private function parseElementNode(TokenStream $stream): Node\ElementNode
+    {
+        $peek = $stream->getPeek();
+
+        if ($peek->isIdentifier() || $peek->isDelimiter(['*'])) {
+            if ($peek->isIdentifier()) {
+                $namespace = $stream->getNext()->getValue();
+            } else {
+                $stream->getNext();
+                $namespace = null;
+            }
+
+            if ($stream->getPeek()->isDelimiter(['|'])) {
+                $stream->getNext();
+                $element = $stream->getNextIdentifierOrStar();
+            } else {
+                $element = $namespace;
+                $namespace = null;
+            }
+        } else {
+            $element = $namespace = null;
+        }
+
+        return new Node\ElementNode($namespace, $element);
+    }
+
+    private function parseAttributeNode(Node\NodeInterface $selector, TokenStream $stream): Node\AttributeNode
+    {
+        $stream->skipWhitespace();
+        $attribute = $stream->getNextIdentifierOrStar();
+
+        if (null === $attribute && !$stream->getPeek()->isDelimiter(['|'])) {
+            throw SyntaxErrorException::unexpectedToken('"|"', $stream->getPeek());
+        }
+
+        if ($stream->getPeek()->isDelimiter(['|'])) {
+            $stream->getNext();
+
+            if ($stream->getPeek()->isDelimiter(['='])) {
+                $namespace = null;
+                $stream->getNext();
+                $operator = '|=';
+            } else {
+                $namespace = $attribute;
+                $attribute = $stream->getNextIdentifier();
+                $operator = null;
+            }
+        } else {
+            $namespace = $operator = null;
+        }
+
+        if (null === $operator) {
+            $stream->skipWhitespace();
+            $next = $stream->getNext();
+
+            if ($next->isDelimiter([']'])) {
+                return new Node\AttributeNode($selector, $namespace, $attribute, 'exists', null);
+            } elseif ($next->isDelimiter(['='])) {
+                $operator = '=';
+            } elseif ($next->isDelimiter(['^', '$', '*', '~', '|', '!'])
+                && $stream->getPeek()->isDelimiter(['='])
+            ) {
+                $operator = $next->getValue().'=';
+                $stream->getNext();
+            } else {
+                throw SyntaxErrorException::unexpectedToken('operator', $next);
+            }
+        }
+
+        $stream->skipWhitespace();
+        $value = $stream->getNext();
+
+        if ($value->isNumber()) {
+            // if the value is a number, it's casted into a string
+            $value = new Token(Token::TYPE_STRING, (string) $value->getValue(), $value->getPosition());
+        }
+
+        if (!($value->isIdentifier() || $value->isString())) {
+            throw SyntaxErrorException::unexpectedToken('string or identifier', $value);
+        }
+
+        $stream->skipWhitespace();
+        $next = $stream->getNext();
+
+        if (!$next->isDelimiter([']'])) {
+            throw SyntaxErrorException::unexpectedToken('"]"', $next);
+        }
+
+        return new Node\AttributeNode($selector, $namespace, $attribute, $operator, $value->getValue());
+    }
+}

vendor/symfony/css-selector/Parser/ParserInterface.php

@@ -0,0 +1,34 @@
+<?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\Parser;
+
+use Symfony\Component\CssSelector\Node\SelectorNode;
+
+/**
+ * CSS selector parser interface.
+ *
+ * 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
+ */
+interface ParserInterface
+{
+    /**
+     * Parses given selector source into an array of tokens.
+     *
+     * @return SelectorNode[]
+     */
+    public function parse(string $source): array;
+}

vendor/symfony/css-selector/Parser/Reader.php

@@ -0,0 +1,83 @@
+<?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\Parser;
+
+/**
+ * CSS selector reader.
+ *
+ * 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 Reader
+{
+    private string $source;
+    private int $length;
+    private int $position = 0;
+
+    public function __construct(string $source)
+    {
+        $this->source = $source;
+        $this->length = \strlen($source);
+    }
+
+    public function isEOF(): bool
+    {
+        return $this->position >= $this->length;
+    }
+
+    public function getPosition(): int
+    {
+        return $this->position;
+    }
+
+    public function getRemainingLength(): int
+    {
+        return $this->length - $this->position;
+    }
+
+    public function getSubstring(int $length, int $offset = 0): string
+    {
+        return substr($this->source, $this->position + $offset, $length);
+    }
+
+    public function getOffset(string $string): int|false
+    {
+        $position = strpos($this->source, $string, $this->position);
+
+        return false === $position ? false : $position - $this->position;
+    }
+
+    public function findPattern(string $pattern): array|false
+    {
+        $source = substr($this->source, $this->position);
+
+        if (preg_match($pattern, $source, $matches)) {
+            return $matches;
+        }
+
+        return false;
+    }
+
+    public function moveForward(int $length): void
+    {
+        $this->position += $length;
+    }
+
+    public function moveToEnd(): void
+    {
+        $this->position = $this->length;
+    }
+}

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

@@ -0,0 +1,48 @@
+<?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\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 <jeanfrancois.simon@sensiolabs.com>
+ *
+ * @internal
+ */
+class ClassParser implements ParserInterface
+{
+    public function parse(string $source): array
+    {
+        // 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), $matches)) {
+            return [
+                new SelectorNode(new ClassNode(new ElementNode($matches[1] ?: null, $matches[2] ?: null), $matches[3])),
+            ];
+        }
+
+        return [];
+    }
+}

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

@@ -0,0 +1,44 @@
+<?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\Parser\Shortcut;
+
+use Symfony\Component\CssSelector\Node\ElementNode;
+use Symfony\Component\CssSelector\Node\SelectorNode;
+use Symfony\Component\CssSelector\Parser\ParserInterface;
+
+/**
+ * CSS selector element 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 <jeanfrancois.simon@sensiolabs.com>
+ *
+ * @internal
+ */
+class ElementParser implements ParserInterface
+{
+    public function parse(string $source): array
+    {
+        // Matches an optional namespace, required element or `*`
+        // $source = 'testns|testel';
+        // $matches = array (size=3)
+        //     0 => string 'testns|testel' (length=13)
+        //     1 => string 'testns' (length=6)
+        //     2 => string 'testel' (length=6)
+        if (preg_match('/^(?:([a-z]++)\|)?([\w-]++|\*)$/i', trim($source), $matches)) {
+            return [new SelectorNode(new ElementNode($matches[1] ?: null, $matches[2]))];
+        }
+
+        return [];
+    }
+}

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

@@ -0,0 +1,43 @@
+<?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\Parser\Shortcut;
+
+use Symfony\Component\CssSelector\Node\ElementNode;
+use Symfony\Component\CssSelector\Node\SelectorNode;
+use Symfony\Component\CssSelector\Parser\ParserInterface;
+
+/**
+ * CSS selector class parser shortcut.
+ *
+ * This shortcut ensure compatibility with previous version.
+ * - The parser fails to parse an empty string.
+ * - In the previous version, an empty string matches each tags.
+ *
+ * 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 EmptyStringParser implements ParserInterface
+{
+    public function parse(string $source): array
+    {
+        // Matches an empty string
+        if ('' == $source) {
+            return [new SelectorNode(new ElementNode(null, '*'))];
+        }
+
+        return [];
+    }
+}

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

@@ -0,0 +1,48 @@
+<?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\Parser\Shortcut;
+
+use Symfony\Component\CssSelector\Node\ElementNode;
+use Symfony\Component\CssSelector\Node\HashNode;
+use Symfony\Component\CssSelector\Node\SelectorNode;
+use Symfony\Component\CssSelector\Parser\ParserInterface;
+
+/**
+ * CSS selector hash 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 <jeanfrancois.simon@sensiolabs.com>
+ *
+ * @internal
+ */
+class HashParser implements ParserInterface
+{
+    public function parse(string $source): array
+    {
+        // Matches an optional namespace, optional element, and required id
+        // $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), $matches)) {
+            return [
+                new SelectorNode(new HashNode(new ElementNode($matches[1] ?: null, $matches[2] ?: null), $matches[3])),
+            ];
+        }
+
+        return [];
+    }
+}

vendor/symfony/css-selector/Parser/Token.php

@@ -0,0 +1,111 @@
+<?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\Parser;
+
+/**
+ * CSS selector token.
+ *
+ * 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 Token
+{
+    public const TYPE_FILE_END = 'eof';
+    public const TYPE_DELIMITER = 'delimiter';
+    public const TYPE_WHITESPACE = 'whitespace';
+    public const TYPE_IDENTIFIER = 'identifier';
+    public const TYPE_HASH = 'hash';
+    public const TYPE_NUMBER = 'number';
+    public const TYPE_STRING = 'string';
+
+    private ?string $type;
+    private ?string $value;
+    private ?int $position;
+
+    public function __construct(?string $type, ?string $value, ?int $position)
+    {
+        $this->type = $type;
+        $this->value = $value;
+        $this->position = $position;
+    }
+
+    public function getType(): ?int
+    {
+        return $this->type;
+    }
+
+    public function getValue(): ?string
+    {
+        return $this->value;
+    }
+
+    public function getPosition(): ?int
+    {
+        return $this->position;
+    }
+
+    public function isFileEnd(): bool
+    {
+        return self::TYPE_FILE_END === $this->type;
+    }
+
+    public function isDelimiter(array $values = []): bool
+    {
+        if (self::TYPE_DELIMITER !== $this->type) {
+            return false;
+        }
+
+        if (!$values) {
+            return true;
+        }
+
+        return \in_array($this->value, $values);
+    }
+
+    public function isWhitespace(): bool
+    {
+        return self::TYPE_WHITESPACE === $this->type;
+    }
+
+    public function isIdentifier(): bool
+    {
+        return self::TYPE_IDENTIFIER === $this->type;
+    }
+
+    public function isHash(): bool
+    {
+        return self::TYPE_HASH === $this->type;
+    }
+
+    public function isNumber(): bool
+    {
+        return self::TYPE_NUMBER === $this->type;
+    }
+
+    public function isString(): bool
+    {
+        return self::TYPE_STRING === $this->type;
+    }
+
+    public function __toString(): string
+    {
+        if ($this->value) {
+            return sprintf('<%s "%s" at %s>', $this->type, $this->value, $this->position);
+        }
+
+        return sprintf('<%s at %s>', $this->type, $this->position);
+    }
+}

vendor/symfony/css-selector/Parser/TokenStream.php

@@ -0,0 +1,156 @@
+<?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\Parser;
+
+use Symfony\Component\CssSelector\Exception\InternalErrorException;
+use Symfony\Component\CssSelector\Exception\SyntaxErrorException;
+
+/**
+ * CSS selector token stream.
+ *
+ * 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 TokenStream
+{
+    /**
+     * @var Token[]
+     */
+    private array $tokens = [];
+
+    /**
+     * @var Token[]
+     */
+    private array $used = [];
+
+    private int $cursor = 0;
+    private ?Token $peeked;
+    private bool $peeking = false;
+
+    /**
+     * Pushes a token.
+     *
+     * @return $this
+     */
+    public function push(Token $token): static
+    {
+        $this->tokens[] = $token;
+
+        return $this;
+    }
+
+    /**
+     * Freezes stream.
+     *
+     * @return $this
+     */
+    public function freeze(): static
+    {
+        return $this;
+    }
+
+    /**
+     * Returns next token.
+     *
+     * @throws InternalErrorException If there is no more token
+     */
+    public function getNext(): Token
+    {
+        if ($this->peeking) {
+            $this->peeking = false;
+            $this->used[] = $this->peeked;
+
+            return $this->peeked;
+        }
+
+        if (!isset($this->tokens[$this->cursor])) {
+            throw new InternalErrorException('Unexpected token stream end.');
+        }
+
+        return $this->tokens[$this->cursor++];
+    }
+
+    /**
+     * Returns peeked token.
+     */
+    public function getPeek(): Token
+    {
+        if (!$this->peeking) {
+            $this->peeked = $this->getNext();
+            $this->peeking = true;
+        }
+
+        return $this->peeked;
+    }
+
+    /**
+     * Returns used tokens.
+     *
+     * @return Token[]
+     */
+    public function getUsed(): array
+    {
+        return $this->used;
+    }
+
+    /**
+     * Returns next identifier token.
+     *
+     * @throws SyntaxErrorException If next token is not an identifier
+     */
+    public function getNextIdentifier(): string
+    {
+        $next = $this->getNext();
+
+        if (!$next->isIdentifier()) {
+            throw SyntaxErrorException::unexpectedToken('identifier', $next);
+        }
+
+        return $next->getValue();
+    }
+
+    /**
+     * Returns next identifier or null if star delimiter token is found.
+     *
+     * @throws SyntaxErrorException If next token is not an identifier or a star delimiter
+     */
+    public function getNextIdentifierOrStar(): ?string
+    {
+        $next = $this->getNext();
+
+        if ($next->isIdentifier()) {
+            return $next->getValue();
+        }
+
+        if ($next->isDelimiter(['*'])) {
+            return null;
+        }
+
+        throw SyntaxErrorException::unexpectedToken('identifier or "*"', $next);
+    }
+
+    /**
+     * Skips next whitespace if any.
+     */
+    public function skipWhitespace(): void
+    {
+        $peek = $this->getPeek();
+
+        if ($peek->isWhitespace()) {
+            $this->getNext();
+        }
+    }
+}

vendor/symfony/css-selector/Parser/Tokenizer/Tokenizer.php

@@ -0,0 +1,73 @@
+<?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\Parser\Tokenizer;
+
+use Symfony\Component\CssSelector\Parser\Handler;
+use Symfony\Component\CssSelector\Parser\Reader;
+use Symfony\Component\CssSelector\Parser\Token;
+use Symfony\Component\CssSelector\Parser\TokenStream;
+
+/**
+ * CSS selector tokenizer.
+ *
+ * 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 Tokenizer
+{
+    /**
+     * @var Handler\HandlerInterface[]
+     */
+    private array $handlers;
+
+    public function __construct()
+    {
+        $patterns = new TokenizerPatterns();
+        $escaping = new TokenizerEscaping($patterns);
+
+        $this->handlers = [
+            new Handler\WhitespaceHandler(),
+            new Handler\IdentifierHandler($patterns, $escaping),
+            new Handler\HashHandler($patterns, $escaping),
+            new Handler\StringHandler($patterns, $escaping),
+            new Handler\NumberHandler($patterns),
+            new Handler\CommentHandler(),
+        ];
+    }
+
+    /**
+     * Tokenize selector source code.
+     */
+    public function tokenize(Reader $reader): TokenStream
+    {
+        $stream = new TokenStream();
+
+        while (!$reader->isEOF()) {
+            foreach ($this->handlers as $handler) {
+                if ($handler->handle($reader, $stream)) {
+                    continue 2;
+                }
+            }
+
+            $stream->push(new Token(Token::TYPE_DELIMITER, $reader->getSubstring(1), $reader->getPosition()));
+            $reader->moveForward(1);
+        }
+
+        return $stream
+            ->push(new Token(Token::TYPE_FILE_END, null, $reader->getPosition()))
+            ->freeze();
+    }
+}

vendor/symfony/css-selector/Parser/Tokenizer/TokenizerEscaping.php

@@ -0,0 +1,65 @@
+<?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\Parser\Tokenizer;
+
+/**
+ * CSS selector tokenizer escaping applier.
+ *
+ * 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 TokenizerEscaping
+{
+    private TokenizerPatterns $patterns;
+
+    public function __construct(TokenizerPatterns $patterns)
+    {
+        $this->patterns = $patterns;
+    }
+
+    public function escapeUnicode(string $value): string
+    {
+        $value = $this->replaceUnicodeSequences($value);
+
+        return preg_replace($this->patterns->getSimpleEscapePattern(), '$1', $value);
+    }
+
+    public function escapeUnicodeAndNewLine(string $value): string
+    {
+        $value = preg_replace($this->patterns->getNewLineEscapePattern(), '', $value);
+
+        return $this->escapeUnicode($value);
+    }
+
+    private function replaceUnicodeSequences(string $value): string
+    {
+        return preg_replace_callback($this->patterns->getUnicodeEscapePattern(), function ($match) {
+            $c = hexdec($match[1]);
+
+            if (0x80 > $c %= 0x200000) {
+                return \chr($c);
+            }
+            if (0x800 > $c) {
+                return \chr(0xC0 | $c >> 6).\chr(0x80 | $c & 0x3F);
+            }
+            if (0x10000 > $c) {
+                return \chr(0xE0 | $c >> 12).\chr(0x80 | $c >> 6 & 0x3F).\chr(0x80 | $c & 0x3F);
+            }
+
+            return '';
+        }, $value);
+    }
+}

vendor/symfony/css-selector/Parser/Tokenizer/TokenizerPatterns.php

@@ -0,0 +1,89 @@
+<?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\Parser\Tokenizer;
+
+/**
+ * CSS selector tokenizer patterns builder.
+ *
+ * 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 TokenizerPatterns
+{
+    private string $unicodeEscapePattern;
+    private string $simpleEscapePattern;
+    private string $newLineEscapePattern;
+    private string $escapePattern;
+    private string $stringEscapePattern;
+    private string $nonAsciiPattern;
+    private string $nmCharPattern;
+    private string $nmStartPattern;
+    private string $identifierPattern;
+    private string $hashPattern;
+    private string $numberPattern;
+    private string $quotedStringPattern;
+
+    public function __construct()
+    {
+        $this->unicodeEscapePattern = '\\\\([0-9a-f]{1,6})(?:\r\n|[ \n\r\t\f])?';
+        $this->simpleEscapePattern = '\\\\(.)';
+        $this->newLineEscapePattern = '\\\\(?:\n|\r\n|\r|\f)';
+        $this->escapePattern = $this->unicodeEscapePattern.'|\\\\[^\n\r\f0-9a-f]';
+        $this->stringEscapePattern = $this->newLineEscapePattern.'|'.$this->escapePattern;
+        $this->nonAsciiPattern = '[^\x00-\x7F]';
+        $this->nmCharPattern = '[_a-z0-9-]|'.$this->escapePattern.'|'.$this->nonAsciiPattern;
+        $this->nmStartPattern = '[_a-z]|'.$this->escapePattern.'|'.$this->nonAsciiPattern;
+        $this->identifierPattern = '-?(?:'.$this->nmStartPattern.')(?:'.$this->nmCharPattern.')*';
+        $this->hashPattern = '#((?:'.$this->nmCharPattern.')+)';
+        $this->numberPattern = '[+-]?(?:[0-9]*\.[0-9]+|[0-9]+)';
+        $this->quotedStringPattern = '([^\n\r\f\\\\%s]|'.$this->stringEscapePattern.')*';
+    }
+
+    public function getNewLineEscapePattern(): string
+    {
+        return '~'.$this->newLineEscapePattern.'~';
+    }
+
+    public function getSimpleEscapePattern(): string
+    {
+        return '~'.$this->simpleEscapePattern.'~';
+    }
+
+    public function getUnicodeEscapePattern(): string
+    {
+        return '~'.$this->unicodeEscapePattern.'~i';
+    }
+
+    public function getIdentifierPattern(): string
+    {
+        return '~^'.$this->identifierPattern.'~i';
+    }
+
+    public function getHashPattern(): string
+    {
+        return '~^'.$this->hashPattern.'~i';
+    }
+
+    public function getNumberPattern(): string
+    {
+        return '~^'.$this->numberPattern.'~';
+    }
+
+    public function getQuotedStringPattern(string $quote): string
+    {
+        return '~^'.sprintf($this->quotedStringPattern, $quote).'~i';
+    }
+}

vendor/symfony/css-selector/README.md

@@ -0,0 +1,20 @@
+CssSelector Component
+=====================
+
+The CssSelector component converts CSS selectors to XPath expressions.
+
+Resources
+---------
+
+ * [Documentation](https://symfony.com/doc/current/components/css_selector.html)
+ * [Contributing](https://symfony.com/doc/current/contributing/index.html)
+ * [Report issues](https://github.com/symfony/symfony/issues) and
+   [send Pull Requests](https://github.com/symfony/symfony/pulls)
+   in the [main Symfony repository](https://github.com/symfony/symfony)
+
+Credits
+-------
+
+This component is a port of the Python cssselect library
+[v0.7.1](https://github.com/SimonSapin/cssselect/releases/tag/v0.7.1),
+which is distributed under the BSD license.

vendor/symfony/css-selector/XPath/Extension/AbstractExtension.php

@@ -0,0 +1,50 @@
+<?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;
+
+/**
+ * XPath expression translator abstract 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
+ */
+abstract class AbstractExtension implements ExtensionInterface
+{
+    public function getNodeTranslators(): array
+    {
+        return [];
+    }
+
+    public function getCombinationTranslators(): array
+    {
+        return [];
+    }
+
+    public function getFunctionTranslators(): array
+    {
+        return [];
+    }
+
+    public function getPseudoClassTranslators(): array
+    {
+        return [];
+    }
+
+    public function getAttributeMatchingTranslators(): array
+    {
+        return [];
+    }
+}

vendor/symfony/css-selector/XPath/Extension/AttributeMatchingExtension.php

@@ -0,0 +1,113 @@
+<?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\XPath\Translator;
+use Symfony\Component\CssSelector\XPath\XPathExpr;
+
+/**
+ * XPath expression translator attribute 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 AttributeMatchingExtension extends AbstractExtension
+{
+    public function getAttributeMatchingTranslators(): array
+    {
+        return [
+            'exists' => $this->translateExists(...),
+            '=' => $this->translateEquals(...),
+            '~=' => $this->translateIncludes(...),
+            '|=' => $this->translateDashMatch(...),
+            '^=' => $this->translatePrefixMatch(...),
+            '$=' => $this->translateSuffixMatch(...),
+            '*=' => $this->translateSubstringMatch(...),
+            '!=' => $this->translateDifferent(...),
+        ];
+    }
+
+    public function translateExists(XPathExpr $xpath, string $attribute, ?string $value): XPathExpr
+    {
+        return $xpath->addCondition($attribute);
+    }
+
+    public function translateEquals(XPathExpr $xpath, string $attribute, ?string $value): XPathExpr
+    {
+        return $xpath->addCondition(sprintf('%s = %s', $attribute, Translator::getXpathLiteral($value)));
+    }
+
+    public function translateIncludes(XPathExpr $xpath, string $attribute, ?string $value): XPathExpr
+    {
+        return $xpath->addCondition($value ? sprintf(
+            '%1$s and contains(concat(\' \', normalize-space(%1$s), \' \'), %2$s)',
+            $attribute,
+            Translator::getXpathLiteral(' '.$value.' ')
+        ) : '0');
+    }
+
+    public function translateDashMatch(XPathExpr $xpath, string $attribute, ?string $value): XPathExpr
+    {
+        return $xpath->addCondition(sprintf(
+            '%1$s and (%1$s = %2$s or starts-with(%1$s, %3$s))',
+            $attribute,
+            Translator::getXpathLiteral($value),
+            Translator::getXpathLiteral($value.'-')
+        ));
+    }
+
+    public function translatePrefixMatch(XPathExpr $xpath, string $attribute, ?string $value): XPathExpr
+    {
+        return $xpath->addCondition($value ? sprintf(
+            '%1$s and starts-with(%1$s, %2$s)',
+            $attribute,
+            Translator::getXpathLiteral($value)
+        ) : '0');
+    }
+
+    public function translateSuffixMatch(XPathExpr $xpath, string $attribute, ?string $value): XPathExpr
+    {
+        return $xpath->addCondition($value ? sprintf(
+            '%1$s and substring(%1$s, string-length(%1$s)-%2$s) = %3$s',
+            $attribute,
+            \strlen($value) - 1,
+            Translator::getXpathLiteral($value)
+        ) : '0');
+    }
+
+    public function translateSubstringMatch(XPathExpr $xpath, string $attribute, ?string $value): XPathExpr
+    {
+        return $xpath->addCondition($value ? sprintf(
+            '%1$s and contains(%1$s, %2$s)',
+            $attribute,
+            Translator::getXpathLiteral($value)
+        ) : '0');
+    }
+
+    public function translateDifferent(XPathExpr $xpath, string $attribute, ?string $value): XPathExpr
+    {
+        return $xpath->addCondition(sprintf(
+            $value ? 'not(%1$s) or %1$s != %2$s' : '%s != %s',
+            $attribute,
+            Translator::getXpathLiteral($value)
+        ));
+    }
+
+    public function getName(): string
+    {
+        return 'attribute-matching';
+    }
+}

vendor/symfony/css-selector/XPath/Extension/CombinationExtension.php

@@ -0,0 +1,65 @@
+<?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\XPath\XPathExpr;
+
+/**
+ * XPath expression translator combination 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 CombinationExtension extends AbstractExtension
+{
+    public function getCombinationTranslators(): array
+    {
+        return [
+            ' ' => $this->translateDescendant(...),
+            '>' => $this->translateChild(...),
+            '+' => $this->translateDirectAdjacent(...),
+            '~' => $this->translateIndirectAdjacent(...),
+        ];
+    }
+
+    public function translateDescendant(XPathExpr $xpath, XPathExpr $combinedXpath): XPathExpr
+    {
+        return $xpath->join('/descendant-or-self::*/', $combinedXpath);
+    }
+
+    public function translateChild(XPathExpr $xpath, XPathExpr $combinedXpath): XPathExpr
+    {
+        return $xpath->join('/', $combinedXpath);
+    }
+
+    public function translateDirectAdjacent(XPathExpr $xpath, XPathExpr $combinedXpath): XPathExpr
+    {
+        return $xpath
+            ->join('/following-sibling::', $combinedXpath)
+            ->addNameTest()
+            ->addCondition('position() = 1');
+    }
+
+    public function translateIndirectAdjacent(XPathExpr $xpath, XPathExpr $combinedXpath): XPathExpr
+    {
+        return $xpath->join('/following-sibling::', $combinedXpath);
+    }
+
+    public function getName(): string
+    {
+        return 'combination';
+    }
+}

vendor/symfony/css-selector/XPath/Extension/ExtensionInterface.php

@@ -0,0 +1,67 @@
+<?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;
+
+/**
+ * XPath expression translator extension interface.
+ *
+ * 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
+ */
+interface ExtensionInterface
+{
+    /**
+     * Returns node translators.
+     *
+     * These callables will receive the node as first argument and the translator as second argument.
+     *
+     * @return callable[]
+     */
+    public function getNodeTranslators(): array;
+
+    /**
+     * Returns combination translators.
+     *
+     * @return callable[]
+     */
+    public function getCombinationTranslators(): array;
+
+    /**
+     * Returns function translators.
+     *
+     * @return callable[]
+     */
+    public function getFunctionTranslators(): array;
+
+    /**
+     * Returns pseudo-class translators.
+     *
+     * @return callable[]
+     */
+    public function getPseudoClassTranslators(): array;
+
+    /**
+     * Returns attribute operation translators.
+     *
+     * @return callable[]
+     */
+    public function getAttributeMatchingTranslators(): array;
+
+    /**
+     * Returns extension name.
+     */
+    public function getName(): string;
+}

vendor/symfony/css-selector/XPath/Extension/FunctionExtension.php

@@ -0,0 +1,165 @@
+<?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\Exception\ExpressionErrorException;
+use Symfony\Component\CssSelector\Exception\SyntaxErrorException;
+use Symfony\Component\CssSelector\Node\FunctionNode;
+use Symfony\Component\CssSelector\Parser\Parser;
+use Symfony\Component\CssSelector\XPath\Translator;
+use Symfony\Component\CssSelector\XPath\XPathExpr;
+
+/**
+ * XPath expression translator function 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 FunctionExtension extends AbstractExtension
+{
+    public function getFunctionTranslators(): array
+    {
+        return [
+            'nth-child' => $this->translateNthChild(...),
+            'nth-last-child' => $this->translateNthLastChild(...),
+            'nth-of-type' => $this->translateNthOfType(...),
+            'nth-last-of-type' => $this->translateNthLastOfType(...),
+            'contains' => $this->translateContains(...),
+            'lang' => $this->translateLang(...),
+        ];
+    }
+
+    /**
+     * @throws ExpressionErrorException
+     */
+    public function translateNthChild(XPathExpr $xpath, FunctionNode $function, bool $last = false, bool $addNameTest = true): XPathExpr
+    {
+        try {
+            [$a, $b] = Parser::parseSeries($function->getArguments());
+        } catch (SyntaxErrorException $e) {
+            throw new ExpressionErrorException(sprintf('Invalid series: "%s".', implode('", "', $function->getArguments())), 0, $e);
+        }
+
+        $xpath->addStarPrefix();
+        if ($addNameTest) {
+            $xpath->addNameTest();
+        }
+
+        if (0 === $a) {
+            return $xpath->addCondition('position() = '.($last ? 'last() - '.($b - 1) : $b));
+        }
+
+        if ($a < 0) {
+            if ($b < 1) {
+                return $xpath->addCondition('false()');
+            }
+
+            $sign = '<=';
+        } else {
+            $sign = '>=';
+        }
+
+        $expr = 'position()';
+
+        if ($last) {
+            $expr = 'last() - '.$expr;
+            --$b;
+        }
+
+        if (0 !== $b) {
+            $expr .= ' - '.$b;
+        }
+
+        $conditions = [sprintf('%s %s 0', $expr, $sign)];
+
+        if (1 !== $a && -1 !== $a) {
+            $conditions[] = sprintf('(%s) mod %d = 0', $expr, $a);
+        }
+
+        return $xpath->addCondition(implode(' and ', $conditions));
+
+        // todo: handle an+b, odd, even
+        // an+b means every-a, plus b, e.g., 2n+1 means odd
+        // 0n+b means b
+        // n+0 means a=1, i.e., all elements
+        // an means every a elements, i.e., 2n means even
+        // -n means -1n
+        // -1n+6 means elements 6 and previous
+    }
+
+    public function translateNthLastChild(XPathExpr $xpath, FunctionNode $function): XPathExpr
+    {
+        return $this->translateNthChild($xpath, $function, true);
+    }
+
+    public function translateNthOfType(XPathExpr $xpath, FunctionNode $function): XPathExpr
+    {
+        return $this->translateNthChild($xpath, $function, false, false);
+    }
+
+    /**
+     * @throws ExpressionErrorException
+     */
+    public function translateNthLastOfType(XPathExpr $xpath, FunctionNode $function): XPathExpr
+    {
+        if ('*' === $xpath->getElement()) {
+            throw new ExpressionErrorException('"*:nth-of-type()" is not implemented.');
+        }
+
+        return $this->translateNthChild($xpath, $function, true, false);
+    }
+
+    /**
+     * @throws ExpressionErrorException
+     */
+    public function translateContains(XPathExpr $xpath, FunctionNode $function): XPathExpr
+    {
+        $arguments = $function->getArguments();
+        foreach ($arguments as $token) {
+            if (!($token->isString() || $token->isIdentifier())) {
+                throw new ExpressionErrorException('Expected a single string or identifier for :contains(), got '.implode(', ', $arguments));
+            }
+        }
+
+        return $xpath->addCondition(sprintf(
+            'contains(string(.), %s)',
+            Translator::getXpathLiteral($arguments[0]->getValue())
+        ));
+    }
+
+    /**
+     * @throws ExpressionErrorException
+     */
+    public function translateLang(XPathExpr $xpath, FunctionNode $function): XPathExpr
+    {
+        $arguments = $function->getArguments();
+        foreach ($arguments as $token) {
+            if (!($token->isString() || $token->isIdentifier())) {
+                throw new ExpressionErrorException('Expected a single string or identifier for :lang(), got '.implode(', ', $arguments));
+            }
+        }
+
+        return $xpath->addCondition(sprintf(
+            'lang(%s)',
+            Translator::getXpathLiteral($arguments[0]->getValue())
+        ));
+    }
+
+    public function getName(): string
+    {
+        return 'function';
+    }
+}

vendor/symfony/css-selector/XPath/Extension/HtmlExtension.php

@@ -0,0 +1,178 @@
+<?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\Exception\ExpressionErrorException;
+use Symfony\Component\CssSelector\Node\FunctionNode;
+use Symfony\Component\CssSelector\XPath\Translator;
+use Symfony\Component\CssSelector\XPath\XPathExpr;
+
+/**
+ * XPath expression translator HTML 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 HtmlExtension extends AbstractExtension
+{
+    public function __construct(Translator $translator)
+    {
+        $translator
+            ->getExtension('node')
+            ->setFlag(NodeExtension::ELEMENT_NAME_IN_LOWER_CASE, true)
+            ->setFlag(NodeExtension::ATTRIBUTE_NAME_IN_LOWER_CASE, true);
+    }
+
+    public function getPseudoClassTranslators(): array
+    {
+        return [
+            'checked' => $this->translateChecked(...),
+            'link' => $this->translateLink(...),
+            'disabled' => $this->translateDisabled(...),
+            'enabled' => $this->translateEnabled(...),
+            'selected' => $this->translateSelected(...),
+            'invalid' => $this->translateInvalid(...),
+            'hover' => $this->translateHover(...),
+            'visited' => $this->translateVisited(...),
+        ];
+    }
+
+    public function getFunctionTranslators(): array
+    {
+        return [
+            'lang' => $this->translateLang(...),
+        ];
+    }
+
+    public function translateChecked(XPathExpr $xpath): XPathExpr
+    {
+        return $xpath->addCondition(
+            '(@checked '
+            ."and (name(.) = 'input' or name(.) = 'command')"
+            ."and (@type = 'checkbox' or @type = 'radio'))"
+        );
+    }
+
+    public function translateLink(XPathExpr $xpath): XPathExpr
+    {
+        return $xpath->addCondition("@href and (name(.) = 'a' or name(.) = 'link' or name(.) = 'area')");
+    }
+
+    public function translateDisabled(XPathExpr $xpath): XPathExpr
+    {
+        return $xpath->addCondition(
+            '('
+                .'@disabled and'
+                .'('
+                    ."(name(.) = 'input' and @type != 'hidden')"
+                    ." or name(.) = 'button'"
+                    ." or name(.) = 'select'"
+                    ." or name(.) = 'textarea'"
+                    ." or name(.) = 'command'"
+                    ." or name(.) = 'fieldset'"
+                    ." or name(.) = 'optgroup'"
+                    ." or name(.) = 'option'"
+                .')'
+            .') or ('
+                ."(name(.) = 'input' and @type != 'hidden')"
+                ." or name(.) = 'button'"
+                ." or name(.) = 'select'"
+                ." or name(.) = 'textarea'"
+            .')'
+            .' and ancestor::fieldset[@disabled]'
+        );
+        // todo: in the second half, add "and is not a descendant of that fieldset element's first legend element child, if any."
+    }
+
+    public function translateEnabled(XPathExpr $xpath): XPathExpr
+    {
+        return $xpath->addCondition(
+            '('
+                .'@href and ('
+                    ."name(.) = 'a'"
+                    ." or name(.) = 'link'"
+                    ." or name(.) = 'area'"
+                .')'
+            .') or ('
+                .'('
+                    ."name(.) = 'command'"
+                    ." or name(.) = 'fieldset'"
+                    ." or name(.) = 'optgroup'"
+                .')'
+                .' and not(@disabled)'
+            .') or ('
+                .'('
+                    ."(name(.) = 'input' and @type != 'hidden')"
+                    ." or name(.) = 'button'"
+                    ." or name(.) = 'select'"
+                    ." or name(.) = 'textarea'"
+                    ." or name(.) = 'keygen'"
+                .')'
+                .' and not (@disabled or ancestor::fieldset[@disabled])'
+            .') or ('
+                ."name(.) = 'option' and not("
+                    .'@disabled or ancestor::optgroup[@disabled]'
+                .')'
+            .')'
+        );
+    }
+
+    /**
+     * @throws ExpressionErrorException
+     */
+    public function translateLang(XPathExpr $xpath, FunctionNode $function): XPathExpr
+    {
+        $arguments = $function->getArguments();
+        foreach ($arguments as $token) {
+            if (!($token->isString() || $token->isIdentifier())) {
+                throw new ExpressionErrorException('Expected a single string or identifier for :lang(), got '.implode(', ', $arguments));
+            }
+        }
+
+        return $xpath->addCondition(sprintf(
+            'ancestor-or-self::*[@lang][1][starts-with(concat('
+            ."translate(@%s, 'ABCDEFGHIJKLMNOPQRSTUVWXYZ', 'abcdefghijklmnopqrstuvwxyz'), '-')"
+            .', %s)]',
+            'lang',
+            Translator::getXpathLiteral(strtolower($arguments[0]->getValue()).'-')
+        ));
+    }
+
+    public function translateSelected(XPathExpr $xpath): XPathExpr
+    {
+        return $xpath->addCondition("(@selected and name(.) = 'option')");
+    }
+
+    public function translateInvalid(XPathExpr $xpath): XPathExpr
+    {
+        return $xpath->addCondition('0');
+    }
+
+    public function translateHover(XPathExpr $xpath): XPathExpr
+    {
+        return $xpath->addCondition('0');
+    }
+
+    public function translateVisited(XPathExpr $xpath): XPathExpr
+    {
+        return $xpath->addCondition('0');
+    }
+
+    public function getName(): string
+    {
+        return 'html';
+    }
+}

vendor/symfony/css-selector/XPath/Extension/NodeExtension.php

@@ -0,0 +1,191 @@
+<?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);
+    }
+}

vendor/symfony/css-selector/XPath/Extension/PseudoClassExtension.php

@@ -0,0 +1,122 @@
+<?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\Exception\ExpressionErrorException;
+use Symfony\Component\CssSelector\XPath\XPathExpr;
+
+/**
+ * XPath expression translator pseudo-class 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 PseudoClassExtension extends AbstractExtension
+{
+    public function getPseudoClassTranslators(): array
+    {
+        return [
+            'root' => $this->translateRoot(...),
+            'scope' => $this->translateScopePseudo(...),
+            '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(...),
+        ];
+    }
+
+    public function translateRoot(XPathExpr $xpath): XPathExpr
+    {
+        return $xpath->addCondition('not(parent::*)');
+    }
+
+    public function translateScopePseudo(XPathExpr $xpath): XPathExpr
+    {
+        return $xpath->addCondition('1');
+    }
+
+    public function translateFirstChild(XPathExpr $xpath): XPathExpr
+    {
+        return $xpath
+            ->addStarPrefix()
+            ->addNameTest()
+            ->addCondition('position() = 1');
+    }
+
+    public function translateLastChild(XPathExpr $xpath): XPathExpr
+    {
+        return $xpath
+            ->addStarPrefix()
+            ->addNameTest()
+            ->addCondition('position() = last()');
+    }
+
+    /**
+     * @throws ExpressionErrorException
+     */
+    public function translateFirstOfType(XPathExpr $xpath): XPathExpr
+    {
+        if ('*' === $xpath->getElement()) {
+            throw new ExpressionErrorException('"*:first-of-type" is not implemented.');
+        }
+
+        return $xpath
+            ->addStarPrefix()
+            ->addCondition('position() = 1');
+    }
+
+    /**
+     * @throws ExpressionErrorException
+     */
+    public function translateLastOfType(XPathExpr $xpath): XPathExpr
+    {
+        if ('*' === $xpath->getElement()) {
+            throw new ExpressionErrorException('"*:last-of-type" is not implemented.');
+        }
+
+        return $xpath
+            ->addStarPrefix()
+            ->addCondition('position() = last()');
+    }
+
+    public function translateOnlyChild(XPathExpr $xpath): XPathExpr
+    {
+        return $xpath
+            ->addStarPrefix()
+            ->addNameTest()
+            ->addCondition('last() = 1');
+    }
+
+    public function translateOnlyOfType(XPathExpr $xpath): XPathExpr
+    {
+        $element = $xpath->getElement();
+
+        return $xpath->addCondition(sprintf('count(preceding-sibling::%s)=0 and count(following-sibling::%s)=0', $element, $element));
+    }
+
+    public function translateEmpty(XPathExpr $xpath): XPathExpr
+    {
+        return $xpath->addCondition('not(*) and not(string-length())');
+    }
+
+    public function getName(): string
+    {
+        return 'pseudo-class';
+    }
+}

vendor/symfony/css-selector/XPath/Translator.php

@@ -0,0 +1,224 @@
+<?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;
+
+use Symfony\Component\CssSelector\Exception\ExpressionErrorException;
+use Symfony\Component\CssSelector\Node\FunctionNode;
+use Symfony\Component\CssSelector\Node\NodeInterface;
+use Symfony\Component\CssSelector\Node\SelectorNode;
+use Symfony\Component\CssSelector\Parser\Parser;
+use Symfony\Component\CssSelector\Parser\ParserInterface;
+
+/**
+ * XPath expression translator interface.
+ *
+ * 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 Translator implements TranslatorInterface
+{
+    private ParserInterface $mainParser;
+
+    /**
+     * @var ParserInterface[]
+     */
+    private array $shortcutParsers = [];
+
+    /**
+     * @var Extension\ExtensionInterface[]
+     */
+    private array $extensions = [];
+
+    private array $nodeTranslators = [];
+    private array $combinationTranslators = [];
+    private array $functionTranslators = [];
+    private array $pseudoClassTranslators = [];
+    private array $attributeMatchingTranslators = [];
+
+    public function __construct(?ParserInterface $parser = null)
+    {
+        $this->mainParser = $parser ?? new Parser();
+
+        $this
+            ->registerExtension(new Extension\NodeExtension())
+            ->registerExtension(new Extension\CombinationExtension())
+            ->registerExtension(new Extension\FunctionExtension())
+            ->registerExtension(new Extension\PseudoClassExtension())
+            ->registerExtension(new Extension\AttributeMatchingExtension())
+        ;
+    }
+
+    public static function getXpathLiteral(string $element): string
+    {
+        if (!str_contains($element, "'")) {
+            return "'".$element."'";
+        }
+
+        if (!str_contains($element, '"')) {
+            return '"'.$element.'"';
+        }
+
+        $string = $element;
+        $parts = [];
+        while (true) {
+            if (false !== $pos = strpos($string, "'")) {
+                $parts[] = sprintf("'%s'", substr($string, 0, $pos));
+                $parts[] = "\"'\"";
+                $string = substr($string, $pos + 1);
+            } else {
+                $parts[] = "'$string'";
+                break;
+            }
+        }
+
+        return sprintf('concat(%s)', implode(', ', $parts));
+    }
+
+    public function cssToXPath(string $cssExpr, string $prefix = 'descendant-or-self::'): string
+    {
+        $selectors = $this->parseSelectors($cssExpr);
+
+        /** @var SelectorNode $selector */
+        foreach ($selectors as $index => $selector) {
+            if (null !== $selector->getPseudoElement()) {
+                throw new ExpressionErrorException('Pseudo-elements are not supported.');
+            }
+
+            $selectors[$index] = $this->selectorToXPath($selector, $prefix);
+        }
+
+        return implode(' | ', $selectors);
+    }
+
+    public function selectorToXPath(SelectorNode $selector, string $prefix = 'descendant-or-self::'): string
+    {
+        return ($prefix ?: '').$this->nodeToXPath($selector);
+    }
+
+    /**
+     * @return $this
+     */
+    public function registerExtension(Extension\ExtensionInterface $extension): static
+    {
+        $this->extensions[$extension->getName()] = $extension;
+
+        $this->nodeTranslators = array_merge($this->nodeTranslators, $extension->getNodeTranslators());
+        $this->combinationTranslators = array_merge($this->combinationTranslators, $extension->getCombinationTranslators());
+        $this->functionTranslators = array_merge($this->functionTranslators, $extension->getFunctionTranslators());
+        $this->pseudoClassTranslators = array_merge($this->pseudoClassTranslators, $extension->getPseudoClassTranslators());
+        $this->attributeMatchingTranslators = array_merge($this->attributeMatchingTranslators, $extension->getAttributeMatchingTranslators());
+
+        return $this;
+    }
+
+    /**
+     * @throws ExpressionErrorException
+     */
+    public function getExtension(string $name): Extension\ExtensionInterface
+    {
+        if (!isset($this->extensions[$name])) {
+            throw new ExpressionErrorException(sprintf('Extension "%s" not registered.', $name));
+        }
+
+        return $this->extensions[$name];
+    }
+
+    /**
+     * @return $this
+     */
+    public function registerParserShortcut(ParserInterface $shortcut): static
+    {
+        $this->shortcutParsers[] = $shortcut;
+
+        return $this;
+    }
+
+    /**
+     * @throws ExpressionErrorException
+     */
+    public function nodeToXPath(NodeInterface $node): XPathExpr
+    {
+        if (!isset($this->nodeTranslators[$node->getNodeName()])) {
+            throw new ExpressionErrorException(sprintf('Node "%s" not supported.', $node->getNodeName()));
+        }
+
+        return $this->nodeTranslators[$node->getNodeName()]($node, $this);
+    }
+
+    /**
+     * @throws ExpressionErrorException
+     */
+    public function addCombination(string $combiner, NodeInterface $xpath, NodeInterface $combinedXpath): XPathExpr
+    {
+        if (!isset($this->combinationTranslators[$combiner])) {
+            throw new ExpressionErrorException(sprintf('Combiner "%s" not supported.', $combiner));
+        }
+
+        return $this->combinationTranslators[$combiner]($this->nodeToXPath($xpath), $this->nodeToXPath($combinedXpath));
+    }
+
+    /**
+     * @throws ExpressionErrorException
+     */
+    public function addFunction(XPathExpr $xpath, FunctionNode $function): XPathExpr
+    {
+        if (!isset($this->functionTranslators[$function->getName()])) {
+            throw new ExpressionErrorException(sprintf('Function "%s" not supported.', $function->getName()));
+        }
+
+        return $this->functionTranslators[$function->getName()]($xpath, $function);
+    }
+
+    /**
+     * @throws ExpressionErrorException
+     */
+    public function addPseudoClass(XPathExpr $xpath, string $pseudoClass): XPathExpr
+    {
+        if (!isset($this->pseudoClassTranslators[$pseudoClass])) {
+            throw new ExpressionErrorException(sprintf('Pseudo-class "%s" not supported.', $pseudoClass));
+        }
+
+        return $this->pseudoClassTranslators[$pseudoClass]($xpath);
+    }
+
+    /**
+     * @throws ExpressionErrorException
+     */
+    public function addAttributeMatching(XPathExpr $xpath, string $operator, string $attribute, ?string $value): XPathExpr
+    {
+        if (!isset($this->attributeMatchingTranslators[$operator])) {
+            throw new ExpressionErrorException(sprintf('Attribute matcher operator "%s" not supported.', $operator));
+        }
+
+        return $this->attributeMatchingTranslators[$operator]($xpath, $attribute, $value);
+    }
+
+    /**
+     * @return SelectorNode[]
+     */
+    private function parseSelectors(string $css): array
+    {
+        foreach ($this->shortcutParsers as $shortcut) {
+            $tokens = $shortcut->parse($css);
+
+            if ($tokens) {
+                return $tokens;
+            }
+        }
+
+        return $this->mainParser->parse($css);
+    }
+}

vendor/symfony/css-selector/XPath/TranslatorInterface.php

@@ -0,0 +1,37 @@
+<?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;
+
+use Symfony\Component\CssSelector\Node\SelectorNode;
+
+/**
+ * XPath expression translator interface.
+ *
+ * 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
+ */
+interface TranslatorInterface
+{
+    /**
+     * Translates a CSS selector to an XPath expression.
+     */
+    public function cssToXPath(string $cssExpr, string $prefix = 'descendant-or-self::'): string;
+
+    /**
+     * Translates a parsed selector node to an XPath expression.
+     */
+    public function selectorToXPath(SelectorNode $selector, string $prefix = 'descendant-or-self::'): string;
+}

vendor/symfony/css-selector/XPath/XPathExpr.php

@@ -0,0 +1,111 @@
+<?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;
+
+/**
+ * XPath expression translator interface.
+ *
+ * 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 XPathExpr
+{
+    private string $path;
+    private string $element;
+    private string $condition;
+
+    public function __construct(string $path = '', string $element = '*', string $condition = '', bool $starPrefix = false)
+    {
+        $this->path = $path;
+        $this->element = $element;
+        $this->condition = $condition;
+
+        if ($starPrefix) {
+            $this->addStarPrefix();
+        }
+    }
+
+    public function getElement(): string
+    {
+        return $this->element;
+    }
+
+    /**
+     * @return $this
+     */
+    public function addCondition(string $condition): static
+    {
+        $this->condition = $this->condition ? sprintf('(%s) and (%s)', $this->condition, $condition) : $condition;
+
+        return $this;
+    }
+
+    public function getCondition(): string
+    {
+        return $this->condition;
+    }
+
+    /**
+     * @return $this
+     */
+    public function addNameTest(): static
+    {
+        if ('*' !== $this->element) {
+            $this->addCondition('name() = '.Translator::getXpathLiteral($this->element));
+            $this->element = '*';
+        }
+
+        return $this;
+    }
+
+    /**
+     * @return $this
+     */
+    public function addStarPrefix(): static
+    {
+        $this->path .= '*/';
+
+        return $this;
+    }
+
+    /**
+     * Joins another XPathExpr with a combiner.
+     *
+     * @return $this
+     */
+    public function join(string $combiner, self $expr): static
+    {
+        $path = $this->__toString().$combiner;
+
+        if ('*/' !== $expr->path) {
+            $path .= $expr->path;
+        }
+
+        $this->path = $path;
+        $this->element = $expr->element;
+        $this->condition = $expr->condition;
+
+        return $this;
+    }
+
+    public function __toString(): string
+    {
+        $path = $this->path.$this->element;
+        $condition = null === $this->condition || '' === $this->condition ? '' : '['.$this->condition.']';
+
+        return $path.$condition;
+    }
+}

vendor/symfony/css-selector/composer.json

@@ -0,0 +1,32 @@
+{
+    "name": "symfony/css-selector",
+    "type": "library",
+    "description": "Converts CSS selectors to XPath expressions",
+    "keywords": [],
+    "homepage": "https://symfony.com",
+    "license": "MIT",
+    "authors": [
+        {
+            "name": "Fabien Potencier",
+            "email": "fabien@symfony.com"
+        },
+        {
+            "name": "Jean-François Simon",
+            "email": "jeanfrancois.simon@sensiolabs.com"
+        },
+        {
+            "name": "Symfony Community",
+            "homepage": "https://symfony.com/contributors"
+        }
+    ],
+    "require": {
+        "php": ">=8.2"
+    },
+    "autoload": {
+        "psr-4": { "Symfony\\Component\\CssSelector\\": "" },
+        "exclude-from-classmap": [
+            "/Tests/"
+        ]
+    },
+    "minimum-stability": "dev"
+}