/**
* Serialize the Enum object to xml.
*
* @param XmlSerializationVisitor $visitor The visitor
* @param EnumInterface $data A EnumInterface instance
* @param array $type The type parameters
*
* @return \DOMCdataSection
*/
public function serializeEnumToXml(XmlSerializationVisitor $visitor, EnumInterface $data, array $type)
{
if ($visitor->document === null) {
$visitor->document = $visitor->createDocument(null, null, true);
$visitor->getCurrentNode()->appendChild($node = $visitor->document->createCDATASection($data->getValue()));
return $node;
}
return $visitor->document->createCDATASection($data->getValue());
}
/**
* Transforms enumeration object to the raw value.
*
* @param EnumInterface|null $value An EnumInterface instance
*
* @return mixed A scalar value
*
* @throws UnexpectedTypeException When $value is not valid type
*/
public function transform($value)
{
if ($value === null) {
return null;
}
if (!$value instanceof $this->enumClass) {
throw new UnexpectedTypeException($value, $this->enumClass);
}
return $value->getValue();
}
