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https://git.salome-platform.org/gitpub/modules/smesh.git
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114 lines
2.9 KiB
C++
114 lines
2.9 KiB
C++
// Copyright (C) 2007-2016 CEA/DEN, EDF R&D, OPEN CASCADE
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//
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// Copyright (C) 2003-2007 OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
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// CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
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//
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// This library is free software; you can redistribute it and/or
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// modify it under the terms of the GNU Lesser General Public
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// License as published by the Free Software Foundation; either
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// version 2.1 of the License, or (at your option) any later version.
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//
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// This library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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// Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public
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// License along with this library; if not, write to the Free Software
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// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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//
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// See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
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//
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// SMESH SMDS : implementaion of Salome mesh data structure
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// File : SMDS_MeshIDFactory.cxx
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// Author : Jean-Michel BOULCOURT
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// Module : SMESH
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//
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#include "SMDS_MeshIDFactory.hxx"
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#include "SMDS_Mesh.hxx"
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#include "utilities.h"
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using namespace std;
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//=======================================================================
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//function : SMDS_MeshIDFactory
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//purpose :
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//=======================================================================
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SMDS_MeshIDFactory::SMDS_MeshIDFactory():myMaxID(0), myMesh(0)
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{
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}
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int SMDS_MeshIDFactory::GetFreeID()
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{
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int newid;
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if (myPoolOfID.empty())
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{
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newid = ++myMaxID;
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}
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else
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{
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set<int>::iterator i = myPoolOfID.begin();
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newid = *i;
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myPoolOfID.erase( i );
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}
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return newid;
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}
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//=======================================================================
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//function : ReleaseID
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//purpose :
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//=======================================================================
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void SMDS_MeshIDFactory::ReleaseID(int ID, int vtkId)
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{
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if ( ID > 0 )
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{
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if ( ID < myMaxID )
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{
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myPoolOfID.insert(ID);
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}
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else if ( ID == myMaxID )
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{
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--myMaxID;
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if ( !myPoolOfID.empty() ) // assure that myMaxID is not in myPoolOfID
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{
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set<int>::iterator i = --myPoolOfID.end();
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while ( i != myPoolOfID.begin() && myMaxID == *i ) {
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--myMaxID; --i;
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}
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if ( myMaxID == *i ) {
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--myMaxID; // begin of myPoolOfID reached
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myPoolOfID.clear();
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}
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else if ( myMaxID < ID-1 ) {
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myPoolOfID.erase( ++i, myPoolOfID.end() );
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}
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}
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}
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}
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}
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void SMDS_MeshIDFactory::Clear()
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{
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myMaxID = 0;
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myPoolOfID.clear();
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}
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void SMDS_MeshIDFactory::SetMesh(SMDS_Mesh *mesh)
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{
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myMesh = mesh;
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}
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SMDS_Mesh* SMDS_MeshIDFactory::GetMesh()
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{
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return myMesh;
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}
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void SMDS_MeshIDFactory::emptyPool(int maxId)
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{
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myMaxID = maxId;
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myPoolOfID.clear();
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}
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