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<?php |
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declare(strict_types=1); |
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namespace Inspirum\XML\Reader; |
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use Inspirum\XML\Builder\Document; |
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use Inspirum\XML\Builder\Node; |
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use Inspirum\XML\Exception\Handler; |
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use Inspirum\XML\Formatter\Formatter; |
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use XMLReader; |
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final class DefaultReader implements Reader |
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{ |
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public function __construct( |
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private XMLReader $reader, |
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private Document $document, |
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) { |
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} |
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public function __destruct() |
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{ |
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$this->reader->close(); |
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} |
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/** |
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* @inheritDoc |
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*/ |
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public function iterateNode(string $nodeName): iterable |
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{ |
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$found = $this->moveToNode($nodeName); |
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if ($found === false) { |
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return yield from []; |
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} |
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do { |
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$item = $this->readNode(); |
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if ($item !== null) { |
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yield $item; |
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} |
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} while ($this->moveToNextNode($nodeName)); |
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} |
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public function nextNode(string $nodeName): ?Node |
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{ |
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$found = $this->moveToNode($nodeName); |
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if ($found === false) { |
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return null; |
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} |
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return $this->readNode(); |
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} |
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private function moveToNode(string $nodeName): bool |
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{ |
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while ($this->read()) { |
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if ($this->isNodeElementType() && $this->getNodeName() === $nodeName) { |
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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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private function moveToNextNode(string $nodeName): bool |
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{ |
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$localName = Formatter::getLocalName($nodeName); |
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while ($this->reader->next($localName)) { |
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if ($this->getNodeName() === $nodeName) { |
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return true; |
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} |
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} |
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return false; |
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} |
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private function readNode(): ?Node |
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{ |
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$nodeName = $this->getNodeName(); |
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$attributes = $this->getNodeAttributes(); |
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if ($this->isNodeEmptyElementType()) { |
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return $this->document->createElement($nodeName, $attributes); |
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} |
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$node = null; |
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$text = null; |
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$elements = []; |
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while ($this->read()) { |
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if ($this->isNodeElementEndType() && $this->getNodeName() === $nodeName) { |
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$node = $this->document->createTextElement($nodeName, $text, $attributes); |
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foreach ($elements as $element) { |
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$node->append($element); |
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} |
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break; |
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} |
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if ($this->isNodeTextType()) { |
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$text = $this->getNodeValue(); |
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} elseif ($this->isNodeElementType()) { |
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if ($this->isNodeEmptyElementType()) { |
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$elements[] = $this->document->createElement($this->getNodeName()); |
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continue; |
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} |
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$element = $this->readNode(); |
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if ($element !== null) { |
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$elements[] = $element; |
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} |
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} |
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} |
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return $node; |
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} |
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private function read(): bool |
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{ |
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return Handler::withErrorHandlerForXMLReader(fn(): bool => $this->reader->read()); |
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} |
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private function getNodeName(): string |
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{ |
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return $this->reader->name; |
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} |
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private function getNodeType(): int |
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{ |
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return $this->reader->nodeType; |
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} |
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private function getNodeValue(): string |
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{ |
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return $this->reader->value; |
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} |
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private function isNodeElementType(): bool |
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{ |
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return $this->isNodeType(XMLReader::ELEMENT); |
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} |
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private function isNodeEmptyElementType(): bool |
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{ |
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return $this->reader->isEmptyElement; |
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} |
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private function isNodeElementEndType(): bool |
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{ |
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return $this->isNodeType(XMLReader::END_ELEMENT); |
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} |
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private function isNodeTextType(): bool |
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{ |
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return $this->isNodeType(XMLReader::TEXT) || $this->isNodeType(XMLReader::CDATA); |
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} |
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private function isNodeType(int $type): bool |
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{ |
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return $this->getNodeType() === $type; |
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} |
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/** |
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* @return array<string,string> |
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*/ |
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10 |
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private function getNodeAttributes(): array |
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{ |
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$attributes = []; |
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if ($this->reader->hasAttributes) { |
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while ($this->reader->moveToNextAttribute()) { |
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$attributes[$this->getNodeName()] = $this->getNodeValue(); |
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} |
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$this->reader->moveToElement(); |
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} |
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return $attributes; |
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} |
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} |
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inspirum /
xml-php
