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https://git.salome-platform.org/gitpub/modules/smesh.git
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107 lines
3.2 KiB
C++
107 lines
3.2 KiB
C++
// SMESH SMDS : implementaion of Salome mesh data structure
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//
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// Copyright (C) 2003 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.
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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.opencascade.org/SALOME/ or email : webmaster.salome@opencascade.org
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#ifdef _MSC_VER
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#pragma warning(disable:4786)
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#endif
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#include "SMDS_IteratorOfElements.hxx"
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bool SMDS_IteratorOfElements::subMore()
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{
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if((t2Iterator.get()==NULL)||(!t2Iterator->more()))
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{
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if(t1Iterator->more())
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{
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t2Iterator=t1Iterator->next()->elementsIterator(myType);
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return subMore();
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}
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else return false;
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}
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else return true;
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}
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const SMDS_MeshElement * SMDS_IteratorOfElements::subNext()
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{
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if((t2Iterator.get()==NULL)||(!t2Iterator->more()))
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if(t1Iterator->more())
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t2Iterator=t1Iterator->next()->elementsIterator(myType);
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return t2Iterator->next();
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}
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/////////////////////////////////////////////////////////////////////////////
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/// Create an iterator which look for elements of type type which are linked
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/// to the element element. it is the iterator to get connectivity of element
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//////////////////////////////////////////////////////////////////////////////
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SMDS_IteratorOfElements::SMDS_IteratorOfElements(const SMDS_MeshElement * element,
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SMDSAbs_ElementType type,
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const SMDS_ElemIteratorPtr& it)
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: t1Iterator(it),
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t2Iterator(SMDS_ElemIteratorPtr((SMDS_ElemIterator*)NULL)),
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myType(type), myElement(element),
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myProxyElement(NULL)
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{
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while(subMore())
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alreadyReturnedElements.insert(subNext());
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itAlreadyReturned= alreadyReturnedElements.begin();
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switch(myElement->GetType())
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{
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case SMDSAbs_Node:
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case SMDSAbs_Edge: myReverseIteration=true; break;
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case SMDSAbs_Face: myReverseIteration=(type==SMDSAbs_Volume); break;
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default: myReverseIteration=false;
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}
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}
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bool SMDS_IteratorOfElements::more()
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{
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if(myProxyElement==NULL)
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{
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while(itAlreadyReturned!=alreadyReturnedElements.end())
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{
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myProxyElement=*itAlreadyReturned;
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itAlreadyReturned++;
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if(myReverseIteration)
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{
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SMDS_ElemIteratorPtr it=
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myProxyElement->elementsIterator(myElement->GetType());
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while(it->more())
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{
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if(it->next()==myElement) return true;
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}
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}
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else return true;
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}
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myProxyElement=NULL;
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return false;
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}
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else return true;
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}
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const SMDS_MeshElement * SMDS_IteratorOfElements::next()
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{
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more();
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const SMDS_MeshElement *e=myProxyElement;
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myProxyElement=NULL;
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return e;
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}
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