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<?php |
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/* |
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* This file is part of the Koded package. |
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* |
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* (c) Mihail Binev <[email protected]> |
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* |
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* Please view the LICENSE distributed with this source code |
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* for the full copyright and license information. |
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*/ |
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namespace Koded\Stdlib\Serializer; |
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use DateTimeImmutable; |
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use DateTimeInterface; |
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use DOMDocument; |
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use DOMNode; |
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use Koded\Stdlib\Serializer; |
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use Throwable; |
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use function Koded\Stdlib\{json_serialize, json_unserialize}; |
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/** |
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* Class XmlSerializer is heavily modified Symfony encoder (XmlEncoder). |
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* |
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* @see https://www.w3.org/TR/xmlschema-2/#built-in-datatypes |
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*/ |
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class XmlSerializer implements Serializer |
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{ |
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/** @var string The key name for the node value */ |
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private string $val = '#'; |
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private string|null $root; |
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public function __construct(?string $root, string $nodeKey = '#') |
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{ |
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$this->root = $root; |
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$nodeKey = \trim($nodeKey); |
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if ('@' === $nodeKey || empty($nodeKey)) { |
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throw new \InvalidArgumentException('Invalid node key identifier', self::E_INVALID_SERIALIZER); |
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} |
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$this->val = $nodeKey; |
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} |
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public function type(): string |
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{ |
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return Serializer::XML; |
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} |
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final public function val(): string |
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{ |
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return $this->val; |
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} |
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/** |
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* @param iterable $data |
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* |
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* @return string|null XML |
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*/ |
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public function serialize(mixed $data): string|null |
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{ |
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$document = new DOMDocument('1.0', 'UTF-8'); |
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$document->formatOutput = false; |
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if (\is_iterable($data)) { |
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$root = $document->createElement($this->root); |
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$document->appendChild($root); |
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$document->createAttributeNS('http://www.w3.org/2001/XMLSchema-instance', 'xsi:' . $this->root); |
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$this->buildXml($document, $root, $data); |
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} else { |
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$this->appendNode($document, $document, $data, $this->root); |
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} |
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return $document->saveXML(); |
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} |
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/** |
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* Unserialize a proper XML document into array, scalar value or NULL. |
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* |
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* @param string $xml XML |
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* |
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* @return mixed scalar|array|null |
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*/ |
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public function unserialize(string $xml): mixed |
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{ |
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try { |
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$document = new DOMDocument('1.0', 'UTF-8'); |
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$document->preserveWhiteSpace = false; |
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$document->loadXML($xml); |
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if ($document->documentElement->hasChildNodes()) { |
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return $this->parseXml($document->documentElement); |
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} |
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return !$document->documentElement->getAttributeNode('xmlns:xsi') |
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? $this->parseXml($document->documentElement) |
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: []; |
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} catch (Throwable $e) { |
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\error_log(PHP_EOL . "[{$e->getLine()}]: " . $e->getMessage()); |
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return null; |
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} |
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} |
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private function buildXml( |
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DOMDocument $document, |
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DOMNode $parent, |
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iterable $data): void |
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{ |
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foreach ($data as $key => $data) { |
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$isKeyNumeric = \is_numeric($key); |
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if (\str_starts_with($key, '@') && $name = \substr($key, 1)) { |
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// node attribute |
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$parent->setAttribute($name, $data); |
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} elseif ($this->val === $key) { |
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// node value |
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$parent->nodeValue = $data; |
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} elseif (false === $isKeyNumeric && \is_array($data)) { |
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if (\ctype_digit(\join('', \array_keys($data)))) { |
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foreach ($data as $d) { |
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$this->appendNode($document, $parent, $d, $key); |
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} |
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} else { |
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$this->appendNode($document, $parent, $data, $key); |
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} |
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} elseif ($isKeyNumeric) { |
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$this->appendNode($document, $parent, $data, 'item', $key); |
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} else { |
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$this->appendNode($document, $parent, $data, $key); |
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} |
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} |
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} |
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private function parseXml(DOMNode $node): mixed |
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{ |
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$attrs = $this->parseXmlAttributes($node); |
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$value = $this->parseXmlValue($node); |
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if (0 === \count($attrs)) { |
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return $value; |
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} |
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if (false === \is_array($value)) { |
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$attrs[$this->val] = $value; |
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return $this->getValueByType($attrs); |
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} |
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if (1 === \count($value) && \key($value)) { |
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$attrs[\key($value)] = \current($value); |
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} |
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foreach ($value as $k => $v) { |
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$attrs[$k] = $v; |
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} |
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return $attrs; |
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} |
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private function parseXmlAttributes(DOMNode $node): array |
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{ |
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if (!$node->hasAttributes()) { |
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return []; |
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} |
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$attrs = []; |
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foreach ($node->attributes as $attr) { |
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/** @var \DOMAttr $attr */ |
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$attrs['@' . $attr->nodeName] = $attr->nodeValue; |
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} |
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return $attrs; |
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} |
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/** |
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* @param DOMNode $node |
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* |
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* @return array|string|null |
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* @throws \Exception |
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*/ |
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private function parseXmlValue(DOMNode $node): mixed |
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{ |
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$value = []; |
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if ($node->hasChildNodes()) { |
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/** @var DOMNode $child */ |
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$child = $node->firstChild; |
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if ($child->nodeType === XML_TEXT_NODE) { |
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return $child->nodeValue; |
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} |
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if ($child->nodeType === XML_CDATA_SECTION_NODE) { |
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return $child->wholeText; |
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} |
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foreach ($node->childNodes as $child) { |
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if ($child->nodeType === XML_COMMENT_NODE) { |
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continue; |
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} |
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$v = $this->parseXml($child); |
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if ('item' === $child->nodeName && isset($v['@key'])) { |
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$k = $v['@key']; |
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$value[$k] = $this->getValueByType($v); |
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unset($value[$k]['@key']); |
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} else { |
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$value[$child->nodeName][] = $this->getValueByType($v); |
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} |
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} |
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} |
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foreach ($value as $k => $v) { |
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if (\is_array($v) && 1 === \count($v)) { |
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$value[$k] = \current($v); |
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} |
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} |
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return $value ?: ''; |
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} |
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/** |
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* Creates an XML node in the document from the provided value |
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* according to the PHP type of the value. |
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* |
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* @param DOMNode $parent |
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* @param mixed $data |
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* @param string $name |
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* @param string|null $key |
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*/ |
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private function appendNode( |
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DOMDocument $document, |
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DOMNode $parent, |
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mixed $data, |
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string $name, |
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string $key = null): void |
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{ |
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$element = $document->createElement($name); |
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if (null !== $key) { |
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$element->setAttribute('key', $key); |
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} |
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if (\is_iterable($data)) { |
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$this->buildXml($document, $element, $data); |
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} elseif (\is_bool($data)) { |
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$element->setAttribute('type', 'xsd:boolean'); |
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$element->appendChild($document->createTextNode($data)); |
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} elseif (\is_float($data)) { |
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$element->setAttribute('type', 'xsd:float'); |
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$element->appendChild($document->createTextNode($data)); |
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} elseif (\is_int($data)) { |
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$element->setAttribute('type', 'xsd:integer'); |
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$element->appendChild($document->createTextNode($data)); |
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} elseif (null === $data) { |
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$element->setAttribute('xsi:nil', 'true'); |
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} elseif ($data instanceof DateTimeInterface) { |
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$element->setAttribute('type', 'xsd:dateTime'); |
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$element->appendChild($document->createTextNode($data->format(DateTimeImmutable::ISO8601))); |
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} elseif (\is_object($data)) { |
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$element->setAttribute('type', 'xsd:object'); |
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$element->appendChild($document->createCDATASection(json_serialize($data))); |
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} elseif (\preg_match('/[<>&\'"]/', $data) > 0) { |
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$element->appendChild($document->createCDATASection($data)); |
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} else { |
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$element->appendChild($document->createTextNode($data)); |
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} |
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$parent->appendChild($element); |
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} |
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/** |
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* Deserialize the XML document elements into strict PHP values |
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* in regard to the XSD type defined in the XML element (if any). |
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* |
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* [IMPORTANT]: When deserializing an XML document into values, |
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* if the XmlSerializer encounters an XML element that specifies xsi:nil="true", |
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* it assigns a NULL to the corresponding element and ignores any other attributes |
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* |
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* @param array|string $value |
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* @return mixed array|string|null |
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* @throws \Exception |
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*/ |
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private function getValueByType(mixed $value): mixed |
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{ |
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if (false === \is_array($value)) { |
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return $value; |
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} |
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/* |
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* [NOTE] if "xsi:nil" is NOT 'true', ignore the xsi:nil |
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* and process the rest of the attributes for this element |
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*/ |
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if (isset($value['@xsi:nil']) && $value['@xsi:nil'] == 'true') { |
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unset($value['@xsi:nil']); |
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return null; |
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} |
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if (!(isset($value['@type']) && \str_starts_with($value['@type'] ?? '', 'xsd:'))) { |
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return $value; |
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} |
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$value[$this->val] = match ($value['@type']) { |
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'xsd:integer' => (int)$value[$this->val], |
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'xsd:boolean' => \filter_var($value[$this->val], FILTER_VALIDATE_BOOL), |
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'xsd:float' => (float)$value[$this->val], |
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'xsd:dateTime' => new DateTimeImmutable($value[$this->val]), |
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'xsd:object' => json_unserialize($value[$this->val]), |
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}; |
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unset($value['@type']); |
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if (\count($value) > 1) { |
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return $value; |
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} |
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return $value[$this->val]; |
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} |
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} |
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kodedphp /
stdlib
Loading history...
The issue could also be caused by a filter entry in the build configuration. If the path has been excluded in your configuration, e.g.
excluded_paths: ["lib/*"], you can move it to the dependency path list as follows:For further information see https://scrutinizer-ci.com/docs/tools/php/php-scrutinizer/#list-dependency-paths