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<?php |
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namespace Horat1us\Services; |
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use Horat1us\XmlConvertibleInterface; |
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use Horat1us\XmlConvertibleObject; |
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/** |
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* Class XmlParserService |
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* @package Horat1us\Services |
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*/ |
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class XmlParserService |
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{ |
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/** |
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* @var \DOMNode |
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*/ |
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protected $element; |
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/** |
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* @var XmlConvertibleInterface[] |
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*/ |
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protected $aliases; |
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/** |
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* XmlParserService constructor. |
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* @param $document |
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* @param array $aliases |
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*/ |
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public function __construct($document, array $aliases = []) |
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{ |
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$this |
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->setAliases($aliases) |
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->setDocument($document); |
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} |
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public function __clone() |
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{ |
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$this->element = clone $this->element; |
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} |
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/** |
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* @return XmlConvertibleInterface |
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*/ |
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public function convert() |
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{ |
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$nodeObject = new XmlConvertibleObject($this->element->nodeName); |
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foreach ($this->aliases as $key => $alias) { |
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if ($this->getIsAliasMatch($key, $alias)) { |
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$nodeObject = clone $alias; |
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} |
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} |
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if ($this->element->hasChildNodes()) { |
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$this->convertChildren($nodeObject); |
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} |
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if ($this->element->hasAttributes()) { |
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$this->convertAttributes($nodeObject); |
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} |
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return $nodeObject; |
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} |
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/** |
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* @param XmlConvertibleInterface $object |
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* @return $this |
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*/ |
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public function convertChildren(XmlConvertibleInterface &$object) |
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{ |
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$children = []; |
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$service = clone $this; |
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foreach ($this->element->childNodes as $childNode) { |
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$service->setDocument($childNode); |
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$children[] = $service->convert(); |
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} |
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$object->setXmlChildren($children); |
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return $this; |
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} |
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public function convertAttributes(XmlConvertibleInterface &$object) |
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{ |
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$properties = $object->getXmlProperties(); |
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/** @var \DOMAttr $attribute */ |
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foreach ($this->element->attributes as $attribute) { |
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if ( |
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!$object instanceof XmlConvertibleObject |
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&& !in_array($attribute->name, $properties) |
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) { |
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throw new \UnexpectedValueException( |
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get_class($object) . ' must have defined ' . $attribute->name . ' XML property', |
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); |
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} |
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$object->{$attribute->name} = $attribute->value; |
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} |
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} |
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/** |
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* @param \DOMNode|\DOMDocument $document |
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* @return $this |
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*/ |
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public function setDocument($document) |
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{ |
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if ($document instanceof \DOMDocument) { |
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return $this->setDocument($document->firstChild); |
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} |
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if (!$document instanceof \DOMNode) { |
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throw new \InvalidArgumentException("Document must be instance of DOMElement or DOMNode"); |
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} |
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$this->element = $document; |
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return $this; |
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} |
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/** |
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* @return \DOMElement |
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*/ |
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public function getDocument() |
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{ |
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return $this->element; |
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} |
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/** |
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* @param XmlConvertibleInterface[]|string $aliases |
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* @return $this |
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*/ |
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public function setAliases(array $aliases = []) |
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{ |
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$this->aliases = []; |
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foreach ($aliases as $key => $element) { |
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$element = $this->mapAlias($element); |
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$this->aliases[$this->mapKey($key, $element)] = $element; |
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} |
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return $this; |
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} |
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/** |
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* @return XmlConvertibleInterface[] |
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*/ |
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public function getAliases() |
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{ |
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return $this->aliases; |
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} |
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1 |
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/** |
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* @param string|XmlConvertibleInterface $element |
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* @return XmlConvertibleInterface |
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*/ |
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protected function mapAlias($element) |
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{ |
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if ($element instanceof XmlConvertibleInterface) { |
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return $element; |
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} |
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if (!is_string($element)) { |
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throw new \UnexpectedValueException( |
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"All aliases must be instance or class implements " . XmlConvertibleInterface::class |
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); |
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} |
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// Additional type-checking |
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return $this->mapAlias(new $element()); |
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} |
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/** |
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* @param string|integer $key |
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* @param XmlConvertibleInterface $element |
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* @return string |
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*/ |
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protected function mapKey($key, XmlConvertibleInterface $element): string |
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{ |
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return is_numeric($key) |
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? $element->getXmlElementName() |
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: $key; |
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} |
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1 |
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/** |
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* @param string $key |
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* @param XmlConvertibleInterface $element |
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* @return bool |
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*/ |
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protected function getIsAliasMatch(string $key, XmlConvertibleInterface $element): bool |
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{ |
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if ($this->element->nodeName !== $key) { |
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return false; |
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} |
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return array_reduce( |
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array_filter( |
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$element->getXmlProperties(), |
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function ($property) use ($element) { |
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return empty($element->{$property}); |
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} |
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), |
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function (bool $carry, $property) use ($element) { |
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return $carry && $this->element->attributes->getNamedItem($property) != $element->{$property}; |
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}, |
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true |
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); |
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} |
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} |
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Horat1us /
php-xml-convertible
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