public Boolean equals(Object o)
{
if (o is XPathReference)
{
return(ref_.Equals(((XPathReference)o).ref_));
}
else
{
return(false);
}
}
public Object pivot(FormInstance model, EvaluationContext evalContext, List <Object> pivots, Object sentinal)
{
TreeReference out_ = this.getReference();
//Either concretely the sentinal, or "."
if (out_.Equals(sentinal) || (out_.getRefLevel() == 0))
{
return(sentinal);
}
else
{
return(this.eval(model, evalContext));
}
}
//
// boolean nodeset = forceNodeset;
// if (!nodeset) {
// //is this a nodeset? it is if the ref contains any unbound multiplicities AND the unbound nodes are repeatable
// //the way i'm calculating this sucks; there has got to be an easier way to find out if a node is repeatable
// TreeReference repeatTestRef = TreeReference.rootRef();
// for (int i = 0; i < ref.size(); i++) {
// repeatTestRef.add(ref.getName(i), ref.getMultiplicity(i));
// if (ref.getMultiplicity(i) == TreeReference.INDEX_UNBOUND) {
// if (m.getTemplate(repeatTestRef) != null) {
// nodeset = true;
// break;
// }
// }
// }
// }
public static Object getRefValue(FormInstance model, EvaluationContext ec, TreeReference ref_)
{
if (ec.isConstraint && ref_.Equals(ec.ContextRef))
{
//ITEMSET TODO: need to update this; for itemset/copy constraints, need to simulate a whole xml sub-tree here
return(unpackValue(ec.candidateValue));
}
else
{
TreeElement node = model.resolveReference(ref_);
if (node == null)
{
//shouldn't happen -- only existent nodes should be in nodeset
throw new XPathTypeMismatchException("Node " + ref_.toString() + " does not exist!");
}
return(unpackValue(node.isRelevant() ? node.getValue() : null));
}
}