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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) 2019-2020 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 BadMethodCallException; |
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use DOMElement; |
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use DOMNode; |
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use InvalidArgumentException; |
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class Element extends DOMElement |
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{ |
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public function __call(string $name, array $arguments) |
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{ |
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if (preg_match('(^(append|prepend)(Xsl\\w++)$)', $name, $m)) |
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{ |
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$callback = [$this->ownerDocument, 'create' . $m[2]]; |
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if (is_callable($callback)) |
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{ |
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$element = call_user_func_array($callback, $arguments); |
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$where = ($m[1] === 'append') ? 'beforeend' : 'afterbegin'; |
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return $this->insertAdjacentElement($where, $element); |
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} |
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} |
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throw new BadMethodCallException; |
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} |
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/** |
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* Insert given element relative to this element's position |
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* |
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* @param string $where One of 'beforebegin', 'afterbegin', 'beforeend', 'afterend' |
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* @param DOMElement $element |
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* @return DOMElement |
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*/ |
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public function insertAdjacentElement(string $where, DOMElement $element): DOMElement |
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{ |
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$this->insertAdjacentNode($where, $element); |
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return $element; |
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} |
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/** |
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* Insert given XML relative to this element's position |
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* |
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* @param string $where One of 'beforebegin', 'afterbegin', 'beforeend', 'afterend' |
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* @param string $xml |
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* @return void |
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*/ |
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public function insertAdjacentXML(string $where, string $xml): void |
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{ |
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$fragment = $this->ownerDocument->createDocumentFragment(); |
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$fragment->appendXML($this->addMissingNamespaceDeclarations($xml)); |
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$this->insertAdjacentNode($where, $fragment); |
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} |
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/** |
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* Remove this element from the document |
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* |
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* @return self This element |
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*/ |
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public function remove(): self |
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{ |
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return $this->parentNode->removeChild($this); |
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} |
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/** |
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* Replace this element with given element |
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* |
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* @param DOMElement $element Replacement element |
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* @return self This element |
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*/ |
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public function replace(DOMElement $element): self |
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{ |
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return $this->parentNode->replaceChild($element, $this); |
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} |
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/** |
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* Add namespace declarations that may be missing in given XML |
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* |
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* @param string $xml Original XML |
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* @return string Modified XML |
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*/ |
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protected function addMissingNamespaceDeclarations(string $xml): string |
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{ |
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preg_match_all('(xmlns:\\K[-\\w]++(?==))', $xml, $m); |
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$prefixes = array_flip($m[0]); |
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return preg_replace_callback( |
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'(<([-\\w]++):[^>]++>)', |
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function ($m) use ($prefixes) |
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{ |
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$xml = $m[0]; |
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$prefix = $m[1]; |
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if (isset($prefixes[$prefix])) |
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{ |
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return $xml; |
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} |
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$nsURI = $this->lookupNamespaceURI($prefix); |
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$nsDeclaration = ' xmlns:' . $prefix . '="' . htmlspecialchars($nsURI, ENT_XML1) . '"'; |
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$pos = ($xml[-2] === '/') ? -2 : -1; |
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return substr($xml, 0, $pos) . $nsDeclaration . substr($xml, $pos); |
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}, |
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$xml |
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); |
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} |
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/** |
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* Insert given node relative to this element's position |
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* |
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* @param string $where One of 'beforebegin', 'afterbegin', 'beforeend', 'afterend' |
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* @param DOMNode $node |
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* @return void |
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*/ |
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protected function insertAdjacentNode(string $where, DOMNode $node): void |
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{ |
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if ($where === 'beforebegin') |
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{ |
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$this->parentNode->insertBefore($node, $this); |
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} |
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elseif ($where === 'beforeend') |
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{ |
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$this->appendChild($node); |
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} |
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elseif ($where === 'afterend') |
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{ |
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$this->parentNode->insertBefore($node, $this->nextSibling); |
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} |
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elseif ($where === 'afterbegin') |
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{ |
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$this->insertBefore($node, $this->firstChild); |
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} |
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else |
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{ |
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throw new InvalidArgumentException; |
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} |
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} |
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} |
s9e /
SweetDOM
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