/**
* Node-Name operation.
*
* @param args Result from the expressions evaluation.
* @throws DynamicError Dynamic error.
* @return Result of fn:node-name operation.
*/
public static ResultSequence node_name(Collection args) throws DynamicError {
Collection cargs = Function.convert_arguments(args, expected_args());
ResultSequence arg1 = (ResultSequence) cargs.iterator().next();
if (arg1.empty()) return ResultBuffer.EMPTY;
NodeType nt = (NodeType) arg1.first();
QName nodename = nt.node_name();
if (nodename == null) return ResultBuffer.EMPTY;
return nodename;
}
public ResultSequence constructor(ResultSequence arg) throws DynamicError {
if (arg.empty()) return ResultBuffer.EMPTY;
AnyAtomicType aat = (AnyAtomicType) arg.first();
String strValue = aat.getStringValue();
if (!isConstraintSatisfied(strValue)) {
// invalid input
DynamicError.throw_type_error();
}
return new XSIDREF(strValue);
}