--- /dev/null
+// Copyright (C) 2007-2016 CEA/DEN, EDF R&D, OPEN CASCADE
+//
+// Copyright (C) 2003-2007 OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
+// CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
+//
+// This library is free software; you can redistribute it and/or
+// modify it under the terms of the GNU Lesser General Public
+// License as published by the Free Software Foundation; either
+// version 2.1 of the License, or (at your option) any later version.
+//
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+// Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public
+// License along with this library; if not, write to the Free Software
+// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+//
+// See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
+//
+
+#ifndef MED_SharedPtr_HeaderFile
+#define MED_SharedPtr_HeaderFile
+
+#include <boost/shared_ptr.hpp>
+
+namespace MED
+{
+ //! To extend the boost::shared_ptr to support such features automatic dynamic cast
+ /*!
+ All entities of the MEDWrapper package are handled as pointer.
+ This class was introduced to provide correct and flexible memory management
+ for all of the MEDWrapper objects.
+ */
+ template<class T> class SharedPtr: public boost::shared_ptr<T>
+ {
+ public:
+ //! Default constructor
+ SharedPtr() {}
+
+ //! Construct the class by any type of a pointer
+ template<class Y>
+ explicit SharedPtr(Y * p):
+ boost::shared_ptr<T>(p)
+ {}
+
+ //! Construct the class by any specialisation of the class
+ template<class Y>
+ SharedPtr(SharedPtr<Y> const & r):
+ boost::shared_ptr<T>(boost::dynamic_pointer_cast<T,Y>(r))
+ {}
+
+ //! Copy-constructor
+ template<class Y>
+ SharedPtr&
+ operator=(SharedPtr<Y> const & r)
+ {
+ SharedPtr<T>(r).swap(*this);
+ return *this;
+ }
+
+ //! Introduce a flexible way to reset the wrapped pointer
+ template<class Y>
+ SharedPtr&
+ operator()(Y * p) // Y must be complete
+ {
+ return operator=<Y>(SharedPtr<Y>(p));
+ }
+
+ //! Introduce a flexible way to reset the wrapped pointer
+ template<class Y>
+ SharedPtr&
+ operator()(SharedPtr<Y> const & r) // Y must be complete
+ {
+ return operator=<Y>(SharedPtr<Y>(r));
+ }
+
+ //! To provide a flexible way to use reference to the wrapped pointer (const version)
+ operator const T& () const
+ {
+ return *(this->get());
+ }
+
+ //! To provide a flexible way to use reference to the wrapped pointer
+ operator T& ()
+ {
+ return *(this->get());
+ }
+ };
+}
+
+#endif // MED_SharedPtr_HeaderFile
