Execute the function. The function must return
a valid object.
SubContextList subContextList = xctxt.getCurrentNodeList();
int currentNode = DTM.NULL;
if (null != subContextList) {
if (subContextList instanceof PredicatedNodeTest) {
LocPathIterator iter = ((PredicatedNodeTest)subContextList)
.getLocPathIterator();
currentNode = iter.getCurrentContextNode();
} else if(subContextList instanceof StepPattern) {
throw new RuntimeException(XSLMessages.createMessage(
XSLTErrorResources.ER_PROCESSOR_ERROR,null));
}
} else {
// not predicate => ContextNode == CurrentNode
currentNode = xctxt.getContextNode();
}
return new XNodeSet(currentNode, xctxt.getDTMManager());