contextSequence = rootNode.eval(null, null);
}
final Sequence[] args = getArguments(null, null);
final Item item = args[0].itemAt(0);
QNameValue qval;
try {
// attempt to convert the first argument to a QName
qval = (QNameValue) item.convertTo(Type.QNAME);
} catch (final XPathException e) {
// wrong type: generate a diagnostic error
throw new XPathException(this,
Messages.formatMessage(Error.FUNC_PARAM_TYPE,
new Object[] { "1", mySignature.toString(), null,
Type.getTypeName(Type.QNAME), Type.getTypeName(item.getType()) }
));
}
final QName qname = qval.getQName();
final AtomicValue comparisonCriterium = args[1].itemAt(0).atomize();
Sequence result = Sequence.EMPTY_SEQUENCE;