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<?php declare(strict_types=1); |
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/* |
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* This file is part of the feed-io package. |
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* |
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* (c) Alexandre Debril <[email protected]> |
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* |
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* For the full copyright and license information, please view the LICENSE |
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* file that was distributed with this source code. |
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*/ |
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namespace FeedIo\Rule; |
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use FeedIo\Feed\ElementsAwareInterface; |
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use FeedIo\Feed\NodeInterface; |
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use FeedIo\Feed\Node\ElementInterface; |
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use FeedIo\RuleAbstract; |
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class OptionalField extends RuleAbstract |
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{ |
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const NODE_NAME = 'default'; |
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/** |
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* @param NodeInterface $node |
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* @param \DOMElement $domElement |
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*/ |
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public function setProperty(NodeInterface $node, \DOMElement $domElement) : void |
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{ |
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$element = $this->createElementFromDomNode($node, $domElement); |
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$node->addElement($element); |
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} |
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/** |
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* @param NodeInterface $node |
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* @param ElementInterface $element |
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* @param \DOMNode $domNode |
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*/ |
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private function addSubElements(NodeInterface $node, ElementInterface $element, \DOMNode $domNode) : void |
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{ |
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if (!$domNode->hasChildNodes() || !$this->hasSubElements($domNode)) { |
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// no elements to add |
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return; |
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} |
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$this->addElementsFromNodeList($node, $element, $domNode->childNodes); |
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} |
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/** |
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* @param NodeInterface $node |
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* @param ElementInterface $element |
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* @param \DOMNodeList $childNodeList |
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*/ |
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private function addElementsFromNodeList(NodeInterface $node, ElementInterface $element, \DOMNodeList $childNodeList) : void |
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{ |
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foreach ($childNodeList as $childNode) { |
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if ($childNode instanceof \DOMText) { |
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continue; |
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} |
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$element->addElement($this->createElementFromDomNode($node, $childNode)); |
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} |
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} |
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/** |
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* @param \DOMNode $domNode |
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* @return bool |
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*/ |
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private function hasSubElements(\DOMNode $domNode) : bool |
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{ |
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foreach ($domNode->childNodes as $childDomNode) { |
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if (!$childDomNode instanceof \DOMText) { |
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return true; |
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} |
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} |
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return false; |
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} |
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/** |
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* @param NodeInterface $node |
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* @param \DOMNode $domNode |
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* @return ElementInterface |
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*/ |
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private function createElementFromDomNode(NodeInterface $node, \DOMNode $domNode) : ElementInterface |
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{ |
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$element = $node->newElement(); |
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$element->setName($domNode->nodeName); |
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$element->setValue($domNode->nodeValue); |
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foreach ($domNode->attributes as $attribute) { |
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$element->setAttribute($attribute->name, $attribute->value); |
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} |
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$this->addSubElements($node, $element, $domNode); |
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return $element; |
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} |
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/** |
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* @param \DomElement $domElement |
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* @param ElementInterface $element |
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* @return \DomElement |
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*/ |
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public function buildDomElement(\DomElement $domElement, ElementInterface $element) : \DOMElement |
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{ |
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$domElement->nodeValue = $element->getValue(); |
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foreach ($element->getAttributes() as $name => $value) { |
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$domElement->setAttribute($name, $value); |
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} |
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/** @var ElementInterface $subElement */ |
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foreach ($element->getAllElements() as $subElement) { |
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$subDomElement = $domElement->ownerDocument->createElement($subElement->getName()); |
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$this->buildDomElement($subDomElement, $subElement); |
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$domElement->appendChild($subDomElement); |
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} |
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return $domElement; |
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} |
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/** |
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* @inheritDoc |
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*/ |
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protected function hasValue(NodeInterface $node) : bool |
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{ |
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return $node instanceof ElementsAwareInterface; |
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} |
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/** |
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* @inheritDoc |
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*/ |
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View Code Duplication |
protected function addElement(\DomDocument $document, \DOMElement $rootElement, NodeInterface $node) : void |
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{ |
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$domElement = $document->createElement($this->getNodeName()); |
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if ($node instanceof ElementsAwareInterface) { |
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foreach ($node->getElementIterator($this->getNodeName()) as $element) { |
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$this->buildDomElement($domElement, $element); |
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} |
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} |
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$rootElement->appendChild($domElement); |
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} |
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} |
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Duplicated code is one of the most pungent code smells. If you need to duplicate the same code in three or more different places, we strongly encourage you to look into extracting the code into a single class or operation.
You can also find more detailed suggestions in the “Code” section of your repository.