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<?php |
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declare(strict_types=1); |
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namespace Chubbyphp\Serialization\Encoder; |
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use Doctrine\Common\Inflector\Inflector; |
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/** |
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* @deprecated use JsonxTypeEncoder instead |
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*/ |
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final class XmlTypeEncoder implements TypeEncoderInterface |
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{ |
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/** |
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* @var bool |
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*/ |
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private $prettyPrint; |
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public function __construct(bool $prettyPrint = false) |
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{ |
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$this->prettyPrint = $prettyPrint; |
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} |
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public function getContentType(): string |
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{ |
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return 'application/xml'; |
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} |
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public function encode(array $data): string |
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{ |
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$document = new \DOMDocument('1.0', 'UTF-8'); |
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$document->formatOutput = $this->prettyPrint; |
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$listNode = $this->createMetadataNode($document, $data['_type'] ?? null); |
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unset($data['_type']); |
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$document->appendChild($listNode); |
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$this->dataToNodes($document, $listNode, $data); |
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return trim($document->saveXML($document, LIBXML_NOEMPTYTAG)); |
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} |
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private function createMetadataNode(\DOMDocument $document, string $type = null): \DOMNode |
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{ |
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$node = $document->createElement('object'); |
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if (null !== $type) { |
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$node->setAttribute('type', $type); |
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} |
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return $node; |
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} |
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/** |
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* @return string |
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*/ |
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private function getMetaPrefix(string $name) |
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{ |
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return 'meta-'.$name; |
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} |
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private function dataToNodes(\DOMDocument $document, \DOMNode $listNode, array $data): void |
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{ |
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foreach ($data as $key => $value) { |
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if (is_string($key) && '_' === $key[0]) { |
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$key = $this->getMetaPrefix(substr($key, 1)); |
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} |
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if (is_array($value)) { |
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$childNode = $this->dataToArrayNode($document, $listNode, $key, $value); |
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} else { |
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$childNode = $this->dataToScalarNode($document, $listNode, $key, $value); |
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} |
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if (is_int($key)) { |
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$childNode->setAttribute('key', (string) $key); |
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} |
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$listNode->appendChild($childNode); |
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} |
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} |
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/** |
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* @param string|int $key |
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* |
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* @return \DOMElement|\DOMNode |
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*/ |
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private function dataToArrayNode(\DOMDocument $document, \DOMNode $listNode, $key, array $value) |
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{ |
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if (!isset($value['_type'])) { |
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$childNode = $document->createElement(is_int($key) ? Inflector::singularize($listNode->nodeName) : $key); |
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$this->dataToNodes($document, $childNode, $value); |
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return $childNode; |
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} |
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if (is_int($key)) { |
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$childNode = $this->createMetadataNode($document, $value['_type']); |
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unset($value['_type']); |
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$this->dataToNodes($document, $childNode, $value); |
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return $childNode; |
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} |
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$subChildNode = $this->createMetadataNode($document, $value['_type']); |
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unset($value['_type']); |
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$childNode = $document->createElement($key); |
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$childNode->appendChild($subChildNode); |
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$this->dataToNodes($document, $subChildNode, $value); |
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return $childNode; |
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} |
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/** |
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* @param string|int $key |
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* @param string|bool|float|int|null $value |
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*/ |
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private function dataToScalarNode(\DOMDocument $document, \DOMNode $listNode, $key, $value): \DOMNode |
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{ |
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$stringKey = is_int($key) ? Inflector::singularize($listNode->nodeName) : $key; |
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if (is_string($value)) { |
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if (false !== strpos($value, '<') || false !== strpos($value, '&')) { |
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$childNode = $document->createElement($stringKey); |
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$childNode->appendChild($document->createCDATASection($value)); |
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} else { |
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$childNode = $document->createElement($stringKey, $value); |
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} |
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$childNode->setAttribute('type', 'string'); |
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return $childNode; |
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} |
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if (null === $value) { |
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return $document->createElement($stringKey); |
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} |
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$childNode = $document->createElement($stringKey, $this->getValueAsString($value)); |
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$childNode->setAttribute('type', $this->getType($value)); |
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return $childNode; |
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} |
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/** |
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* @param bool|float|int $value |
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* |
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* @throws \InvalidArgumentException |
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*/ |
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private function getValueAsString($value): string |
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{ |
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if (is_bool($value)) { |
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return $value ? 'true' : 'false'; |
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} |
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if (is_float($value)) { |
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$value = (string) $value; |
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if (false === strpos($value, '.')) { |
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$value .= '.0'; |
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} |
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return $value; |
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} |
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if (is_int($value)) { |
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return (string) $value; |
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} |
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throw new \InvalidArgumentException(sprintf('Unsupported data type: %s', gettype($value))); |
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} |
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/** |
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* @param bool|float|int|string $value |
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*/ |
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private function getType($value): string |
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{ |
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if (is_bool($value)) { |
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return 'boolean'; |
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} |
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if (is_float($value)) { |
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return 'float'; |
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} |
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return 'integer'; |
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} |
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} |
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