public override bool Equals(System.Object o)
{
if (o is XPathReference)
{
return(ref_Renamed.Equals(((XPathReference)o).ref_Renamed));
}
else
{
return(false);
}
}
//
// 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 System.Object getRefValue(FormInstance model, EvaluationContext ec, TreeReference ref_Renamed)
{
if (ec.isConstraint && ref_Renamed.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_Renamed);
if (node == null)
{
//shouldn't happen -- only existent nodes should be in nodeset
throw new XPathTypeMismatchException("Node " + ref_Renamed.ToString() + " does not exist!");
}
return(unpackValue(node.isRelevant()?node.Value:null));
}
}
private void InitBlock()
{
TreeReference ref_Renamed = this.getReference();
//Either concretely the sentinal, or "."
if (ref_Renamed.Equals(sentinal) || (ref_Renamed.RefLevel == 0))
{
return(sentinal);
}
else
{
//It's very, very hard to figure out how to pivot predicates. For now, just skip it
for (int i = 0; i < ref_Renamed.size(); ++i)
{
if (ref_Renamed.getPredicate(i) != null && ref_Renamed.getPredicate(i).size() > 0)
{
throw new UnpivotableExpressionException("Can't pivot filtered treereferences. Ref: " + ref_Renamed.toString(true) + " has predicates.");
}
}
return(this.eval(model, evalContext));
}
}