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<?php |
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namespace Psi\Component\ContentType\Metadata\Driver; |
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use Metadata\Driver\AbstractFileDriver; |
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use Psi\Component\ContentType\Metadata\ClassMetadata; |
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use Psi\Component\ContentType\Metadata\PropertyMetadata; |
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class XmlDriver extends AbstractFileDriver |
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{ |
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const XML_NAMESPACE = 'http://github.com/psiphp/content-type/mapping'; |
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/** |
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* {@inheritdoc} |
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*/ |
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public function loadMetadataFromFile(\ReflectionClass $class, $path) |
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{ |
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$classMetadata = new ClassMetadata($class->getName()); |
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libxml_use_internal_errors(true); |
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$dom = new \DOMDocument('1.0'); |
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$dom->load($path); |
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if (!$dom->schemaValidate(__DIR__ . '/../../../schema/mapping.xsd')) { |
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$message = array_reduce(libxml_get_errors(), function ($foo, $error) { |
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return $error->message; |
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}); |
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throw new \InvalidArgumentException(sprintf( |
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'Could not validate XML mapping at "%s": %s', |
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$path, $message |
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)); |
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} |
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$xpath = new \DOMXpath($dom); |
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$xpath->registerNamespace('psict', self::XML_NAMESPACE); |
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foreach ($xpath->query('//psict:class') as $classEl) { |
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$classAttr = $classEl->getAttribute('name'); |
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if ($classAttr !== $class->getName()) { |
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throw new \InvalidArgumentException(sprintf( |
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'Expected class name to be "%s" but it is mapped as "%s"', |
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$class->getName(), $classAttr |
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)); |
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} |
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foreach ($xpath->query('./psict:field', $classEl) as $fieldEl) { |
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$options = $this->extractOptions($xpath, $fieldEl); |
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$propertyMetadata = new PropertyMetadata( |
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$class->getName(), |
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$fieldEl->getAttribute('name'), |
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$fieldEl->getAttribute('type'), |
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$fieldEl->getAttribute('role'), |
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$fieldEl->getAttribute('group'), |
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$options |
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); |
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$classMetadata->addPropertyMetadata($propertyMetadata); |
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} |
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} |
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return $classMetadata; |
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} |
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private function extractOptions(\DOMXPath $xpath, \DOMElement $fieldEl) |
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{ |
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$options = []; |
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foreach ($xpath->query('./psict:option', $fieldEl) as $optionEl) { |
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if ($optionEl->getAttribute('type') === 'collection') { |
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$options[$optionEl->getAttribute('name')] = $this->extractOptions($xpath, $optionEl); |
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continue; |
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} |
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$options[$optionEl->getAttribute('name')] = $optionEl->nodeValue; |
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} |
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return $options; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function getExtension() |
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{ |
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return 'xml'; |
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} |
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} |
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psiphp /
content-type
