public void RemoveInEdgeIf(IVertex u, IEdgePredicate pred)
{
if (u == null)
{
throw new ArgumentNullException("vertex u");
}
if (pred == null)
{
throw new ArgumentNullException("predicate");
}
EdgeCollection edges = this.VertexInEdges.get_Item(u);
EdgeCollection edges2 = new EdgeCollection();
EdgeCollection.Enumerator enumerator = edges.GetEnumerator();
while (enumerator.MoveNext())
{
IEdge edge = enumerator.get_Current();
if (pred.Test(edge))
{
edges2.Add(edge);
}
}
EdgeCollection.Enumerator enumerator2 = edges2.GetEnumerator();
while (enumerator2.MoveNext())
{
IEdge e = enumerator2.get_Current();
this.RemoveEdge(e);
}
}
public override void RemoveEdge(IVertex u, IVertex v)
{
if (u == null)
{
throw new ArgumentNullException("source vertex");
}
if (v == null)
{
throw new ArgumentNullException("targetvertex");
}
EdgeCollection edges = base.VertexOutEdges.get_Item(u);
EdgeCollection edges2 = this.VertexInEdges.get_Item(v);
EdgeCollection edges3 = new EdgeCollection();
EdgeCollection.Enumerator enumerator = edges.GetEnumerator();
while (enumerator.MoveNext())
{
IEdge edge = enumerator.get_Current();
if (edge.get_Target() == v)
{
edges3.Add(edge);
}
}
EdgeCollection.Enumerator enumerator2 = edges2.GetEnumerator();
while (enumerator2.MoveNext())
{
IEdge edge2 = enumerator2.get_Current();
if (edge2.get_Source() == u)
{
edges3.Add(edge2);
}
}
EdgeCollection.Enumerator enumerator3 = edges3.GetEnumerator();
while (enumerator3.MoveNext())
{
IEdge e = enumerator3.get_Current();
this.RemoveEdge(e);
}
}
public virtual void RemoveEdge(IVertex u, IVertex v)
{
if (u == null)
{
throw new ArgumentNullException("source vertex");
}
if (v == null)
{
throw new ArgumentNullException("targetvertex");
}
EdgeCollection edges = this.VertexOutEdges.get_Item(u);
if (edges == null)
{
throw new EdgeNotFoundException();
}
EdgeCollection edges2 = new EdgeCollection();
EdgeCollection.Enumerator enumerator = edges.GetEnumerator();
while (enumerator.MoveNext())
{
IEdge edge = enumerator.get_Current();
if (edge.get_Target() == v)
{
edges2.Add(edge);
}
}
EdgeCollection.Enumerator enumerator2 = edges2.GetEnumerator();
while (enumerator2.MoveNext())
{
IEdge edge2 = enumerator2.get_Current();
edges.Remove(edge2);
}
}
public virtual void RemoveEdgeIf(IEdgePredicate pred)
{
if (pred == null)
{
throw new ArgumentNullException("predicate");
}
EdgeCollection edges = new EdgeCollection();
VertexEdgesEnumerator enumerator = this.Edges.GetEnumerator();
while (enumerator.MoveNext())
{
IEdge edge = enumerator.get_Current();
if (pred.Test(edge))
{
edges.Add(edge);
}
}
EdgeCollection.Enumerator enumerator2 = edges.GetEnumerator();
while (enumerator2.MoveNext())
{
IEdge e = enumerator2.get_Current();
this.RemoveEdge(e);
}
}
public void AddReversedEdges()
{
if (this.Augmented)
{
throw new InvalidOperationException("Graph already augmented");
}
EdgeCollection edges = new EdgeCollection();
IEdgeEnumerator enumerator = this.VisitedGraph.get_Edges().GetEnumerator();
while (enumerator.MoveNext())
{
IEdge edge = enumerator.get_Current();
if (!this.reversedEdges.Contains(edge))
{
IEdge edge2 = this.FindReversedEdge(edge);
if (edge2 != null)
{
this.reversedEdges.set_Item(edge, edge2);
if (!this.reversedEdges.Contains(edge2))
{
this.reversedEdges.set_Item(edge2, edge);
}
}
else
{
edges.Add(edge);
}
}
}
EdgeCollection.Enumerator enumerator2 = edges.GetEnumerator();
while (enumerator2.MoveNext())
{
IEdge edge3 = enumerator2.get_Current();
if (!this.reversedEdges.Contains(edge3))
{
IEdge edge4 = this.FindReversedEdge(edge3);
if (edge4 != null)
{
this.reversedEdges.set_Item(edge3, edge4);
}
else
{
edge4 = this.VisitedGraph.AddEdge(edge3.get_Target(), edge3.get_Source());
this.augmentedEgdes.Add(edge4);
this.reversedEdges.set_Item(edge3, edge4);
this.reversedEdges.set_Item(edge4, edge3);
this.OnReservedEdgeAdded(new EdgeEventArgs(edge4));
}
}
}
this.augmented = true;
}
