OCCT

// Copyright (c) 1999-2014 OPEN CASCADE SAS
//
// This file is part of Open CASCADE Technology software library.
//
// This library is free software; you can redistribute it and/or modify it under
// the terms of the GNU Lesser General Public License version 2.1 as published
// by the Free Software Foundation, with special exception defined in the file
// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
// distribution for complete text of the license and disclaimer of any warranty.
//
// Alternatively, this file may be used under the terms of Open CASCADE
// commercial license or contractual agreement.

#include <IFGraph_Cycles.hxx>
#include <IFGraph_StrongComponants.hxx>
#include <Interface_Graph.hxx>
#include <Interface_GraphContent.hxx>

//  Cycles uses the services of StrongComponants :
//  It retains the Strong Componants which are not Single
IFGraph_Cycles::IFGraph_Cycles(const Interface_Graph& agraph, const bool whole)
    : IFGraph_SubPartsIterator(agraph, whole)
{
}

IFGraph_Cycles::IFGraph_Cycles(IFGraph_StrongComponants& subparts)
    : IFGraph_SubPartsIterator(subparts)
{
}

void IFGraph_Cycles::Evaluate()
{
  IFGraph_StrongComponants complist(Model(), false);
  complist.GetFromIter(Loaded());
  for (complist.Start(); complist.More(); complist.Next())
  {
    if (complist.IsSingle())
    {
      continue;
    }
    AddPart();
    GetFromIter(complist.Entities());
  }
}