public Object unpack()
{
if (size() == 0)
{
return(XPathPathExpr.unpackValue(null));
}
else if (size() > 1)
{
throw new XPathTypeMismatchException("nodeset has more than one node [" + nodeContents() + "]; cannot convert to value");
}
else
{
return(getValAt(0));
}
}
public IConditionExpr refToPathExpr(TreeReference ref_)
{
return(new XPathConditional(XPathPathExpr.fromRef(ref_)));
}
public Object getValAt(int i)
{
return(XPathPathExpr.getRefValue(instance, ec, getRefAt(i)));
}
public XPathReference(XPathPathExpr path)
{
ref_ = path.getReference();
}