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 #ifndef MED_SharedPtr_HeaderFile
24 #define MED_SharedPtr_HeaderFile
26 #include <boost/shared_ptr.hpp>
30 //! To extend the boost::shared_ptr to support such features automatic dynamic cast
32 All entities of the MEDWrapper package are handled as pointer.
33 This class was introduced to provide correct and flexible memory management
34 for all of the MEDWrapper objects.
36 template<class T> class SharedPtr: public boost::shared_ptr<T>
39 //! Default constructor
42 //! Construct the class by any type of a pointer
44 explicit SharedPtr(Y * p):
45 boost::shared_ptr<T>(p)
48 //! Construct the class by any specialisation of the class
50 SharedPtr(SharedPtr<Y> const & r):
51 boost::shared_ptr<T>(boost::dynamic_pointer_cast<T,Y>(r))
57 operator=(SharedPtr<Y> const & r)
59 SharedPtr<T>(r).swap(*this);
63 //! Introduce a flexible way to reset the wrapped pointer
66 operator()(Y * p) // Y must be complete
68 return operator=<Y>(SharedPtr<Y>(p));
71 //! Introduce a flexible way to reset the wrapped pointer
74 operator()(SharedPtr<Y> const & r) // Y must be complete
76 return operator=<Y>(SharedPtr<Y>(r));
79 //! To provide a flexible way to use reference to the wrapped pointer (const version)
80 operator const T& () const
82 return *(this->get());
85 //! To provide a flexible way to use reference to the wrapped pointer
88 return *(this->get());
93 #endif // MED_SharedPtr_HeaderFile