// -------------------------------------------------------------------------------------------
/// <summary>
/// Resets the traveling stack.
/// </summary>
public void ResetStack()
{
if (TravelingStack != null)
{
TravelingStack.Clear();
}
}
// -------------------------------------------------------------------------------------------
/// <summary>
/// Adds the currently pointed node into the traveling stack.
/// </summary>
public void PushNode()
{
if (TravelingStack == null)
{
TravelingStack = new Stack <SimpleNode <TData> >(); // CAUTION: Could not work inside an iterator.
}
TravelingStack.Push(this.CurrentNode);
}
// -------------------------------------------------------------------------------------------
/// <summary>
/// Extracts the last stored node from the traveling stack making it the current. Returns whether the operation was successful.
/// </summary>
public bool PopNode()
{
if (TravelingStack == null || TravelingStack.Count < 1)
{
return(false);
}
this.CurrentNode = TravelingStack.Pop();
return(true);
}
