mirror of
https://git.salome-platform.org/gitpub/modules/smesh.git
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98 lines
3.0 KiB
C++
98 lines
3.0 KiB
C++
// Copyright (C) 2007-2019 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 : implementation of Salome mesh data structure
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// File : SMDS_Position.hxx
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// Module : SMESH
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//
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#ifndef _SMDS_Position_HeaderFile
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#define _SMDS_Position_HeaderFile
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#include "SMESH_SMDS.hxx"
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#include "SMDS_TypeOfPosition.hxx"
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#include <memory>
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//class SMDS_Position;
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//typedef boost::shared_ptr<SMDS_Position> SMDS_PositionPtr;
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//typedef SMDS_Position* SMDS_PositionPtr;
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class SMDS_EXPORT SMDS_Position
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{
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public:
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virtual SMDS_TypeOfPosition GetTypeOfPosition() const = 0;
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int GetDim() const { return GetTypeOfPosition(); }
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virtual const double* GetParameters() const = 0;
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virtual ~SMDS_Position() {}
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};
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/*!
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* \brief Replace "typedef SMDS_Position* SMDS_PositionPtr" by a smart
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* pointer allowing implicit casting to derived types; e.g.
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* if ( SMDS_FacePositionPtr fPos = node->GetPosition() )
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* fPos->SetUParameter(0);
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*/
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template<class T>
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class SMDS_Ptr : public std::unique_ptr< T >
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{
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bool myIsOwner;
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public:
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SMDS_Ptr( T * pos = (T *) 0, bool isOwner=true ):
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std::unique_ptr< T >( pos ), myIsOwner( isOwner ) {}
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SMDS_Ptr( const SMDS_Ptr& from ) : myIsOwner( from.myIsOwner )
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{ this->swap( const_cast<SMDS_Ptr&>( from )); }
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SMDS_Ptr& operator=( const SMDS_Ptr& from )
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{
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myIsOwner = from.myIsOwner;
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this->swap( const_cast<SMDS_Ptr&>( from ));
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return *this;
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}
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template<class Y>
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SMDS_Ptr( const SMDS_Ptr< Y >& base ): myIsOwner( true )
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{
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if ( const T* p = dynamic_cast<const T*>( base.get() ))
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{
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this->reset( const_cast<T*>( p ));
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this->myIsOwner = base.IsOwner();
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const_cast< SMDS_Ptr< Y >& >( base ).release();
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}
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}
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~SMDS_Ptr() { if ( !myIsOwner ) this->release(); }
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operator bool () const { return bool( this->get() ); }
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bool IsOwner() const { return myIsOwner; }
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};
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class SMDS_EdgePosition;
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class SMDS_FacePosition;
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typedef SMDS_Ptr< SMDS_Position > SMDS_PositionPtr;
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typedef SMDS_Ptr< SMDS_EdgePosition > SMDS_EdgePositionPtr;
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typedef SMDS_Ptr< SMDS_FacePosition > SMDS_FacePositionPtr;
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#endif
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