void Sort(TNode node)
{
node.Visited = true;
foreach (var edge in _list.GetEdges(node))
{
if (!edge.Target.Visited)
{
Sort(edge.Target);
}
}
_results.Add(node);
}
void Compute(TNode v)
{
v.Index = _index;
v.LowLink = _index;
_index++;
_stack.Push(v);
foreach (var edge in _list.GetEdges(v))
{
TNode n = edge.Target;
if (n.Index == -1)
{
Compute(n);
v.LowLink = Math.Min(v.LowLink, n.LowLink);
}
else if (_stack.Contains(n))
{
v.LowLink = Math.Min(v.LowLink, n.Index);
}
}
if (v.LowLink == v.Index)
{
TNode n;
IList <TNode> component = new List <TNode>();
do
{
n = _stack.Pop();
component.Add(n);
}while (!v.Equals(n));
if (component.Count != 1 || !v.Equals(component[0]))
{
_result.Add(component);
}
}
}