1 // Created on: 1991-05-29
2 // Created by: Denis PASCAL
3 // Copyright (c) 1991-1999 Matra Datavision
4 // Copyright (c) 1999-2012 OPEN CASCADE SAS
6 // The content of this file is subject to the Open CASCADE Technology Public
7 // License Version 6.5 (the "License"). You may not use the content of this file
8 // except in compliance with the License. Please obtain a copy of the License
9 // at http://www.opencascade.org and read it completely before using this file.
11 // The Initial Developer of the Original Code is Open CASCADE S.A.S., having its
12 // main offices at: 1, place des Freres Montgolfier, 78280 Guyancourt, France.
14 // The Original Code and all software distributed under the License is
15 // distributed on an "AS IS" basis, without warranty of any kind, and the
16 // Initial Developer hereby disclaims all such warranties, including without
17 // limitation, any warranties of merchantability, fitness for a particular
18 // purpose or non-infringement. Please see the License for the specific terms
19 // and conditions governing the rights and limitations under the License.
22 // Revised by: Mireille MERCIEN
25 #include <Standard_NoMoreObject.hxx>
26 #include <Standard_NoSuchObject.hxx>
28 //---------------------------------------------------------------------------
30 //---------------------------------------------------------------------------
31 PCollection_BackEdgesIterator::PCollection_BackEdgesIterator
32 (const Handle(PCollection_Vertex)& V):MyEdgeIterator(V->GetBackEdges())
34 HasMore = MyEdgeIterator.More();
37 //---------------------------------------------------------------------------
39 //---------------------------------------------------------------------------
40 Boolean PCollection_BackEdgesIterator::More () const
45 //---------------------------------------------------------------------------
47 //---------------------------------------------------------------------------
48 void PCollection_BackEdgesIterator::Next ()
50 if (!HasMore) Standard_NoMoreObject::Raise();
51 MyEdgeIterator.Next();
52 HasMore = MyEdgeIterator.More();
55 //---------------------------------------------------------------------------
57 //---------------------------------------------------------------------------
58 Handle(PCollection_Edge) PCollection_BackEdgesIterator::Value () const
61 return MyEdgeIterator.Value();
64 NoSuchObject::Raise();
68 //---------------------------------------------------------------------------
70 //---------------------------------------------------------------------------
71 void PCollection_BackEdgesIterator::Clear ()