12 changed files with 230 additions and 193 deletions
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<?php |
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/** @license MIT |
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* Copyright 2017 , Dustin Wilson, J. King et al. |
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* See LICENSE and AUTHORS files for details */ |
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declare(strict_types=1); |
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namespace MensBeam\HTML; |
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// Disables C14N in extended DOM classes |
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trait C14N { |
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public function C14N($exclusive = null, $with_comments = null, ?array $xpath = null, ?array $ns_prefixes = null): bool { |
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return false; |
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} |
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public function C14NFile($uri, $exclusive = null, $with_comments = null, ?array $xpath = null, ?array $ns_prefixes = null): bool { |
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return false; |
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} |
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} |
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@ -0,0 +1,191 @@ |
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<?php |
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/** @license MIT |
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* Copyright 2017 , Dustin Wilson, J. King et al. |
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* See LICENSE and AUTHORS files for details */ |
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declare(strict_types=1); |
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namespace MensBeam\HTML; |
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// Extensions to PHP's DOM cannot inherit from an extended Node parent, so a |
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// trait is the next best thing... |
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trait Node { |
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protected function preInsertionValidity(\DOMNode $node, ?\DOMNode $child = null) { |
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// "parent" is $this |
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# 1. If parent is not a Document, DocumentFragment, or Element node, |
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# then throw a "HierarchyRequestError" DOMException. |
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if (!$this instanceof Document && !$this instanceof DocumentFragment && !$this instanceof Element) { |
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throw new DOMException(DOMException::HIERARCHY_REQUEST_ERROR); |
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} |
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# 2. If node is a host-including inclusive ancestor of parent, then |
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# throw a "HierarchyRequestError" DOMException. |
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# |
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# An object A is a host-including inclusive ancestor of an object B, if |
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# either A is an inclusive ancestor of B, or if B’s root has a non-null |
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# host and A is a host-including inclusive ancestor of B’s root’s host. |
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// DEVIATION: The baseline for this library is PHP 7.1, and without |
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// WeakReferences we cannot add a host property to DocumentFragment to |
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// check against. |
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if ($node instanceof Element && $node->isAncestorOf($this)) { |
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throw new DOMException(DOMException::HIERARCHY_REQUEST_ERROR); |
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} |
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# 3. If child is non-null and its parent is not parent, then throw a |
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# "NotFoundError" DOMException. |
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if ($child !== null && !$child->parentNode->isSameNode($this)) { |
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throw new DOMException(DOMException::NOT_FOUND); |
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} |
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# 4. If node is not a DocumentFragment, DocumentType, Element, |
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# Text, ProcessingInstruction, or Comment node, then throw a |
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# "HierarchyRequestError" DOMException. |
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if (!$node instanceof DocumentFragment && !$node instanceof \DOMDocumentType && !$node instanceof Element && !$node instanceof Text && !$node instanceof ProcessingInstruction && !$node instanceof Comment) { |
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throw new DOMException(DOMException::HIERARCHY_REQUEST_ERROR); |
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} |
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# 5. If either node is a Text node and parent is a document, or |
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# node is a doctype and parent is not a document, then throw a |
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# "HierarchyRequestError" DOMException. |
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if (($node instanceof Text && $this instanceof Document) || ($node instanceof \DOMDocumentType && !$this instanceof Document)) { |
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throw new DOMException(DOMException::HIERARCHY_REQUEST_ERROR); |
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} |
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# 6. If parent is a document, and any of the statements below, switched |
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# on node, are true, then throw a "HierarchyRequestError" DOMException. |
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if ($this instanceof Document) { |
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# DocumentFragment node |
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# If node has more than one element child or has a Text node child. |
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# Otherwise, if node has one element child and either parent has an element child, child is a doctype, or child is non-null and a doctype is following child. |
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if ($node instanceof DocumentFragment) { |
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if ($node->childNodes->length > 1 || $node->firstChild instanceof Text) { |
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throw new DOMException(DOMException::HIERARCHY_REQUEST_ERROR); |
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} else { |
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if ($node->firstChild instanceof \DOMDocumentType) { |
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throw new DOMException(DOMException::HIERARCHY_REQUEST_ERROR); |
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} |
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foreach ($this->childNodes as $c) { |
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if ($c instanceof Element) { |
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throw new DOMException(DOMException::HIERARCHY_REQUEST_ERROR); |
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} |
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} |
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if ($child !== null) { |
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$n = $child; |
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while ($n = $n->nextSibling) { |
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if ($n instanceof \DOMDocumentType) { |
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throw new DOMException(DOMException::HIERARCHY_REQUEST_ERROR); |
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} |
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} |
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} |
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} |
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} |
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# element |
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# parent has an element child, child is a doctype, or child is non-null and a doctype is following child. |
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elseif ($node instanceof Element) { |
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if ($child instanceof \DOMDocumentType) { |
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throw new DOMException(DOMException::HIERARCHY_REQUEST_ERROR); |
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} |
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if ($child !== null) { |
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$n = $child; |
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while ($n = $n->nextSibling) { |
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if ($n instanceof \DOMDocumentType) { |
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throw new DOMException(DOMException::HIERARCHY_REQUEST_ERROR); |
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} |
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} |
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} |
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foreach ($this->childNodes as $c) { |
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if ($c instanceof Element) { |
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throw new DOMException(DOMException::HIERARCHY_REQUEST_ERROR); |
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} |
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} |
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} |
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# doctype |
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# parent has a doctype child, child is non-null and an element |
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# is preceding child, or child is null and parent has an element |
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# child. |
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elseif ($node instanceof \DOMDocumentType) { |
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foreach ($this->childNodes as $c) { |
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if ($c instanceof \DOMDocumentType) { |
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throw new DOMException(DOMException::HIERARCHY_REQUEST_ERROR); |
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} |
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} |
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if ($child !== null) { |
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$n = $child; |
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while ($n = $n->prevSibling) { |
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if ($n instanceof Element) { |
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throw new DOMException(DOMException::HIERARCHY_REQUEST_ERROR); |
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} |
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} |
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} else { |
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foreach ($this->childNodes as $c) { |
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if ($c instanceof Element) { |
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throw new DOMException(DOMException::HIERARCHY_REQUEST_ERROR); |
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} |
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} |
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} |
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} |
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} |
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} |
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public function appendChild($node) { |
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$this->preInsertionValidity($node); |
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$result = parent::appendChild($node); |
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if ($result !== false && $result instanceof TemplateElement) { |
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ElementMap::set($result); |
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} |
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return $result; |
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} |
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// Disable C14N |
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public function C14N($exclusive = null, $with_comments = null, ?array $xpath = null, ?array $ns_prefixes = null): bool { |
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return false; |
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} |
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// Disable C14NFile |
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public function C14NFile($uri, $exclusive = null, $with_comments = null, ?array $xpath = null, ?array $ns_prefixes = null): bool { |
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return false; |
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} |
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public function insertBefore($node, $child = null) { |
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$this->preInsertionValidity($node, $child); |
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$result = parent::insertBefore($node, $child); |
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if ($result !== false) { |
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if ($result instanceof TemplateElement) { |
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ElementMap::set($result); |
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} |
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if ($child instanceof TemplateElement) { |
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ElementMap::delete($child); |
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} |
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} |
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return $result; |
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} |
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public function removeChild($child) { |
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$result = parent::removeChild($child); |
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if ($result !== false && $result instanceof TemplateElement) { |
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ElementMap::delete($child); |
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} |
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return $result; |
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} |
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public function replaceChild($node, $child) { |
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$result = parent::replaceChild($node, $child); |
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if ($result !== false) { |
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if ($result instanceof TemplateElement) { |
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ElementMap::set($child); |
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} |
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if ($child instanceof TemplateElement) { |
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ElementMap::delete($child); |
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} |
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} |
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return $result; |
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} |
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} |
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