1 // Copyright (C) 2007-2020 CEA/DEN, EDF R&D, OPEN CASCADE
3 // Copyright (C) 2003-2007 OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
4 // CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
6 // This library is free software; you can redistribute it and/or
7 // modify it under the terms of the GNU Lesser General Public
8 // License as published by the Free Software Foundation; either
9 // version 2.1 of the License, or (at your option) any later version.
11 // This library is distributed in the hope that it will be useful,
12 // but WITHOUT ANY WARRANTY; without even the implied warranty of
13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 // Lesser General Public License for more details.
16 // You should have received a copy of the GNU Lesser General Public
17 // License along with this library; if not, write to the Free Software
18 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
20 // See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
23 // SMESH SMDS : implementation of Salome mesh data structure
24 // File : SMDS_Position.hxx
27 #ifndef _SMDS_Position_HeaderFile
28 #define _SMDS_Position_HeaderFile
30 #include "SMESH_SMDS.hxx"
32 #include "SMDS_TypeOfPosition.hxx"
35 //class SMDS_Position;
36 //typedef boost::shared_ptr<SMDS_Position> SMDS_PositionPtr;
37 //typedef SMDS_Position* SMDS_PositionPtr;
39 class SMDS_EXPORT SMDS_Position
43 virtual SMDS_TypeOfPosition GetTypeOfPosition() const = 0;
44 int GetDim() const { return GetTypeOfPosition(); }
45 virtual const double* GetParameters() const = 0;
46 virtual ~SMDS_Position() {}
50 * \brief Replace "typedef SMDS_Position* SMDS_PositionPtr" by a smart
51 * pointer allowing implicit casting to derived types; e.g.
52 * if ( SMDS_FacePositionPtr fPos = node->GetPosition() )
53 * fPos->SetUParameter(0);
57 class SMDS_Ptr : public std::unique_ptr< T >
62 SMDS_Ptr( T * pos = (T *) 0, bool isOwner=true ):
63 std::unique_ptr< T >( pos ), myIsOwner( isOwner ) {}
65 SMDS_Ptr( const SMDS_Ptr& from ) : std::unique_ptr< T >(), myIsOwner( from.myIsOwner )
66 { this->swap( const_cast<SMDS_Ptr&>( from )); }
68 SMDS_Ptr& operator=( const SMDS_Ptr& from )
70 myIsOwner = from.myIsOwner;
71 this->swap( const_cast<SMDS_Ptr&>( from ));
76 SMDS_Ptr( const SMDS_Ptr< Y >& base ): myIsOwner( true )
78 if ( const T* p = dynamic_cast<const T*>( base.get() ))
80 this->reset( const_cast<T*>( p ));
81 this->myIsOwner = base.IsOwner();
82 const_cast< SMDS_Ptr< Y >& >( base ).release();
85 ~SMDS_Ptr() { if ( !myIsOwner ) this->release(); }
87 operator bool () const { return bool( this->get() ); }
88 bool IsOwner() const { return myIsOwner; }
91 class SMDS_EdgePosition;
92 class SMDS_FacePosition;
93 typedef SMDS_Ptr< SMDS_Position > SMDS_PositionPtr;
94 typedef SMDS_Ptr< SMDS_EdgePosition > SMDS_EdgePositionPtr;
95 typedef SMDS_Ptr< SMDS_FacePosition > SMDS_FacePositionPtr;