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Add iterator, wrapper over SMDS_Iterator, adding std-like operators *, ++ etc
+ SMDS_StdIterator.hxx
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@ -62,7 +62,8 @@ salomeinclude_HEADERS = \
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SMDS_QuadraticVolumeOfNodes.hxx \
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SMDS_SetIterator.hxx \
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SMESH_SMDS.hxx \
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SMDS_MeshInfo.hxx
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SMDS_MeshInfo.hxx \
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SMDS_StdIterator.hxx
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# Libraries targets
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74
src/SMDS/SMDS_StdIterator.hxx
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74
src/SMDS/SMDS_StdIterator.hxx
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@ -0,0 +1,74 @@
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// Copyright (C) 2007-2008 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.
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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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//
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// File : SMDS_StdIterator.hxx
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// Created : Fri Feb 5 11:03:46 2010
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// Author : Edward AGAPOV (eap)
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#ifndef __SMDS_StdIterator_HXX__
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#define __SMDS_StdIterator_HXX__
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///////////////////////////////////////////////////////////////////////////////
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/*!
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* \brief Wrapper over pointer to SMDS_Iterator, like SMDS_ElemIteratorPtr, enabling
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* its usage in std-like way: provide operators ++, *, etc.
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*/
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///////////////////////////////////////////////////////////////////////////////
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template<typename VALUE, class PtrSMDSIterator, class EqualVALUE = std::equal_to<VALUE> >
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class SMDS_StdIterator : public std::iterator< std::input_iterator_tag, VALUE >
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{
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VALUE _value;
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PtrSMDSIterator _piterator;
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EqualVALUE _EqualVALUE;
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public:
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typedef SMDS_StdIterator<VALUE, PtrSMDSIterator> _Self;
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// constructor to use as return from begin()
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SMDS_StdIterator( PtrSMDSIterator pItr )
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: _value( pItr->more() ? (VALUE)(pItr->next()) : 0 ), _piterator(pItr)
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{}
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// constructor to use as return from end()
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SMDS_StdIterator(): _value( 0 )
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{}
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/// Return the current object
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VALUE operator*() const
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{ return _value; }
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// Step to the next one
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_Self&
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operator++()
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{ _value = _piterator->more() ? VALUE( _piterator->next()) : 0; return *this; }
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// Test of end
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bool
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operator!=(const _Self& __x) const
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{ return !_EqualVALUE( _value, __x._value); }
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};
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#endif
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