public bool MoveNext() {
if (this.haveCurrent) {
this.haveCurrent = false;
return true;
}
while (this.navCurrent.MoveToParent()) {
if (!this.filter.IsFiltered(this.navCurrent))
return true;
}
// Iteration is complete
return false;
}
/// <summary>
/// Initialize the AncestorDocOrderIterator (return ancestor nodes in document order, no possibility of duplicates).
/// </summary>
public void Create(XPathNavigator context, XmlNavigatorFilter filter, bool orSelf)
{
AncestorIterator wrapped = new AncestorIterator();
wrapped.Create(context, filter, orSelf);
// Fetch all ancestor nodes in reverse document order and push them onto the stack
while (wrapped.MoveNext())
{
stack.Push(wrapped.Current.Clone());
}
}
