Version: 8.3.0
MED_SharedPtr.hxx
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1 // Copyright (C) 2007-2016 CEA/DEN, EDF R&D, OPEN CASCADE
2 //
3 // Copyright (C) 2003-2007 OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
4 // CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
5 //
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.
10 //
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.
15 //
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
19 //
20 // See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
21 //
22 #ifndef MED_SharedPtr_HeaderFile
23 #define MED_SharedPtr_HeaderFile
24 
25 #include <boost/shared_ptr.hpp>
26 
27 namespace MED
28 {
29 
31 
36  template<class T> class SharedPtr: public boost::shared_ptr<T>
37  {
38  public:
40  SharedPtr() {}
41 
43  template<class Y>
44  explicit SharedPtr(Y * p):
45  boost::shared_ptr<T>(p)
46  {}
47 
49  template<class Y>
50  SharedPtr(SharedPtr<Y> const & r):
51  boost::shared_ptr<T>(boost::dynamic_pointer_cast<T,Y>(r))
52  {}
53 
55  template<class Y>
56  SharedPtr&
57  operator=(SharedPtr<Y> const & r)
58  {
59  SharedPtr<T>(r).swap(*this);
60  return *this;
61  }
62 
64  template<class Y>
65  SharedPtr&
66  operator()(Y * p) // Y must be complete
67  {
68  return operator=<Y>(SharedPtr<Y>(p));
69  }
70 
72  template<class Y>
73  SharedPtr&
74  operator()(SharedPtr<Y> const & r) // Y must be complete
75  {
76  return operator=<Y>(SharedPtr<Y>(r));
77  }
78 
80  operator const T& () const
81  {
82  return *(this->get());
83  }
84 
86  operator T& ()
87  {
88  return *(this->get());
89  }
90  };
91 
92 }
93 
94 
95 #endif