public bool Traverse(Visit onEnter, Path.Visit onEnterPath, Path.Visit onReturnPath, Visit onReturn)
{
HashSet <object> visited = new HashSet <object>();
bool stop = Traverse(visited, onEnter, onEnterPath, onReturnPath, onReturn, 0);
return(stop);
}
public bool Traverse(HashSet <object> visited, Visit onEnter, Path.Visit onEnterPath, Path.Visit onReturnPath, Visit onReturn, int depth)
{
bool stop = false;
if (visited.Contains(this))
{
return(stop);
}
visited.Add(this);
if (onEnter != null)
{
stop = onEnter(depth, stop, this);
if (stop)
{
return(stop);
}
}
foreach (var exit in exits)
{
bool stopping = exit.Traverse(visited, onEnter, onEnterPath, onReturnPath, onReturn, depth + 1);
stop = stop || stopping;
if (stop)
{
break;
}
}
if (onReturn != null)
{
bool stopping = onReturn(depth, stop, this);
stop = stop || stopping;
}
return(stop);
}
