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<?php declare(strict_types=1); |
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/** |
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* @package s9e\SweetDOM |
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* @copyright Copyright (c) The s9e authors |
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* @license http://www.opensource.org/licenses/mit-license.php The MIT License |
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*/ |
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namespace s9e\SweetDOM; |
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use DOMDocument; |
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use DOMNode; |
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use DOMNodeList; |
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use DOMXPath; |
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use RuntimeException; |
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use const PHP_VERSION; |
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use function func_get_args, libxml_get_last_error, trim, version_compare; |
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/** |
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* @method Attr|false createAttribute(string $localName) |
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* @method Attr|false createAttributeNS(?string $namespace, string $qualifiedName) |
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* @method CdataSection|false createCDATASection(string $data) |
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* @method Comment createComment(string $data) |
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* @method DocumentFragment createDocumentFragment() |
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* @method Element|false createElement(string $localName, string $value = '') |
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* @method Element|false createElementNS(?string $namespace, string $qualifiedName, string $value = '') |
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* @method Text createTextNode(string $data) |
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* @method ?Element getElementById(string $elementId) |
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* @property ?DocumentType $doctype |
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* @property ?Element $documentElement |
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* @property ?Element $firstElementChild |
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* @property ?Element $lastElementChild |
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* @property ?Document $ownerDocument |
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* @property ?Element $parentElement |
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*/ |
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class Document extends DOMDocument |
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{ |
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public NodeCreator $nodeCreator; |
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/** |
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* @link https://www.php.net/manual/domdocument.construct.php |
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*/ |
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public function __construct(string $version = '1.0', string $encoding = '') |
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{ |
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parent::__construct($version, $encoding); |
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$this->nodeCreator = new NodeCreator($this); |
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foreach ($this->getExtendedClassMap() as $baseClass => $extendedClass) |
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{ |
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$this->registerNodeClass($baseClass, $extendedClass); |
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} |
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} |
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/** |
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* Evaluate and return the result of a given XPath expression |
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*/ |
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public function evaluate(string $expression, ?DOMNode $contextNode = null, bool $registerNodeNS = true): mixed |
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{ |
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return $this->xpath('evaluate', func_get_args()); |
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} |
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/** |
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* Evaluate and return the first element of a given XPath query |
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*/ |
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public function firstOf(string $expression, ?DOMNode $contextNode = null, bool $registerNodeNS = true): ?DOMNode |
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{ |
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return $this->query(...func_get_args())->item(0); |
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} |
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/** |
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* Evaluate and return the result of a given XPath query |
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*/ |
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public function query(string $expression, ?DOMNode $contextNode = null, bool $registerNodeNS = true): DOMNodeList |
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{ |
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$result = $this->xpath('query', func_get_args()); |
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if ($result === false) |
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{ |
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$errorMessage = libxml_get_last_error()?->message ?? 'No error message'; |
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throw new RuntimeException('Invalid XPath query: ' . trim($errorMessage)); |
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} |
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return $result; |
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} |
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protected function getExtendedClassMap(): array |
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{ |
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$baseNames = ['Attr', 'CdataSection', 'Comment', 'DocumentFragment', 'Element', 'Text']; |
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$classMap = []; |
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$namespace = $this->getExtendedNamespace(PHP_VERSION); |
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foreach ($baseNames as $baseName) |
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{ |
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$classMap['DOM' . $baseName] = $namespace . '\\' . $baseName; |
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} |
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return $classMap; |
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} |
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protected function getExtendedNamespace(string $phpVersion): string |
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{ |
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$namespace = __NAMESPACE__; |
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if ($this->needsWorkarounds($phpVersion)) |
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{ |
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$namespace .= '\\PatchedNodes'; |
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} |
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elseif (version_compare($phpVersion, '8.3.0', '<')) |
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{ |
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$namespace .= '\\ForwardCompatibleNodes'; |
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} |
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return $namespace; |
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} |
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protected function needsWorkarounds(string $phpVersion): bool |
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{ |
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if (version_compare($phpVersion, '8.2.10', '>=')) |
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{ |
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// PHP ^8.2.10 needs no workarounds |
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return false; |
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} |
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if (version_compare($phpVersion, '8.1.23', '<')) |
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{ |
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// Anything older than 8.1.23 does |
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return true; |
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} |
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// ~8.1.23 is okay, anything between 8.2.0 and 8.2.9 needs workarounds |
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return version_compare($phpVersion, '8.2.0-dev', '>='); |
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} |
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/** |
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* Execute a DOMXPath method and return the result |
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*/ |
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protected function xpath(string $methodName, array $args): mixed |
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{ |
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$xpath = new DOMXPath($this); |
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$xpath->registerNamespace('xsl', 'http://www.w3.org/1999/XSL/Transform'); |
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$xpath->registerNodeNamespaces = true; |
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return $xpath->$methodName(...$args); |
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} |
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} |
s9e /
SweetDOM
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