/**
* Unmarshall a DOMElement object corresponding to a printedVariable element.
*
* @param DOMElement $element A DOMElement object.
* @return QtiComponent A PrintedVariable object.
* @throws UnmarshallingException
*/
protected function unmarshall(DOMElement $element)
{
if (($identifier = self::getDOMElementAttributeAs($element, 'identifier')) !== null) {
$component = new PrintedVariable($identifier);
if (($format = self::getDOMElementAttributeAs($element, 'format')) !== null) {
$component->setFormat($format);
}
if (($powerForm = self::getDOMElementAttributeAs($element, 'powerForm', 'boolean')) !== null) {
$component->setPowerForm($powerForm);
}
if (($base = self::getDOMElementAttributeAs($element, 'base')) !== null) {
$component->setBase(Format::isInteger($base) === true ? intval($base) : $base);
}
if (($index = self::getDOMElementAttributeAs($element, 'index')) !== null) {
$component->setIndex(Format::isInteger($index) === true ? intval($index) : $base);
}
if (($delimiter = self::getDOMElementAttributeAs($element, 'delimiter')) !== null) {
$component->setDelimiter($delimiter);
}
if (($field = self::getDOMElementAttributeAs($element, 'field')) !== null) {
$component->setField($field);
}
if ($mappingIndicator = self::getDOMElementAttributeAs($element, 'mappingIndicator')) {
$component->setMappingIndicator($mappingIndicator);
}
if (($xmlBase = self::getXmlBase($element)) !== false) {
$component->setXmlBase($xmlBase);
}
self::fillBodyElement($component, $element);
return $component;
} else {
$msg = "The mandatory 'identifier' attribute is missing from the 'printedVariable' element.";
throw new UnmarshallingException($msg, $element);
}
}
