/// <summary>
/// Returns true if this node satisfies the atomic predicate.
/// </summary>
protected virtual bool EvalAtom(ASTQueries.NodePredAtom pred, ChildContextKind context, int absPos, int relPos)
{
if (pred.PredicateKind == NodePredicateKind.False ||
(pred.TargetKind != NodeKind.AnyNodeKind && pred.TargetKind != NodeKind))
{
return(false);
}
if (pred.ChildContext != ChildContextKind.AnyChildContext && pred.ChildContext != context)
{
return(false);
}
if (pred.ChildContext == ChildContextKind.AnyChildContext &&
(absPos < pred.ChildIndexLower || absPos > pred.ChildIndexUpper))
{
return(false);
}
if (pred.ChildContext != ChildContextKind.AnyChildContext &&
(relPos < pred.ChildIndexLower || relPos > pred.ChildIndexUpper))
{
return(false);
}
return(true);
}
protected override bool EvalAtom(ASTQueries.NodePredAtom pred, ChildContextKind context, int absPos, int relPos)
{
if (!base.EvalAtom(pred, context, absPos, relPos))
{
return(false);
}
return(pred.AttributePredicate == null ? true : pred.AttributePredicate(AttributeKind.Name, Name));
}
protected override bool EvalAtom(ASTQueries.NodePredAtom pred, ChildContextKind context, int absPos, int relPos)
{
if (!base.EvalAtom(pred, context, absPos, relPos))
{
return(false);
}
if (pred.AttributePredicate == null)
{
return(true);
}
return(pred.AttributePredicate(AttributeKind.Raw, Raw) &&
pred.AttributePredicate(AttributeKind.CnstKind, CnstKind));
}