--- /dev/null
+// Copyright (C) 2007-2014 CEA/DEN, EDF R&D
+//
+// 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
+//
+// Author : Anthony Geay (EDF R&D)
+
+#ifndef __SALOMESDS_AUTOREFCOUNTPTR_HXX__
+#define __SALOMESDS_AUTOREFCOUNTPTR_HXX__
+
+#include "SALOMESDS_Exception.hxx"
+
+namespace SALOMESDS
+{
+ template<class T>
+ class AutoRefCountPtr
+ {
+ public:
+ AutoRefCountPtr(const AutoRefCountPtr& other):_ptr(0) { referPtr(other._ptr); }
+ AutoRefCountPtr(T *ptr=0):_ptr(ptr) { }
+ ~AutoRefCountPtr() { destroyPtr(); }
+ bool operator==(const AutoRefCountPtr& other) const { return _ptr==other._ptr; }
+ bool operator==(const T *other) const { return _ptr==other; }
+ AutoRefCountPtr &operator=(const AutoRefCountPtr& other) { if(_ptr!=other._ptr) { destroyPtr(); referPtr(other._ptr); } return *this; }
+ AutoRefCountPtr &operator=(T *ptr) { if(_ptr!=ptr) { destroyPtr(); _ptr=ptr; } return *this; }
+ T *operator->() { return _ptr ; }
+ const T *operator->() const { return _ptr; }
+ T& operator*() { return *_ptr; }
+ const T& operator*() const { return *_ptr; }
+ operator T *() { return _ptr; }
+ operator const T *() const { return _ptr; }
+ T *retn() { if(_ptr) _ptr->incrRef(); return _ptr; }
+ private:
+ void referPtr(T *ptr) { _ptr=ptr; if(_ptr) _ptr->incrRef(); }
+ void destroyPtr() { if(_ptr) _ptr->decrRef(); }
+ private:
+ T *_ptr;
+ };
+
+ template<class T, class U>
+ typename SALOMESDS::AutoRefCountPtr<U> DynamicCast(typename SALOMESDS::AutoRefCountPtr<T>& autoSubPtr) throw()
+ {
+ T *subPtr(autoSubPtr);
+ U *ptr(dynamic_cast<U *>(subPtr));
+ typename SALOMESDS::AutoRefCountPtr<U> ret(ptr);
+ if(ptr)
+ ptr->incrRef();
+ return ret;
+ }
+
+ template<class T, class U>
+ typename SALOMESDS::AutoRefCountPtr<U> DynamicCastSafe(typename SALOMESDS::AutoRefCountPtr<T>& autoSubPtr)
+ {
+ T *subPtr(autoSubPtr);
+ U *ptr(dynamic_cast<U *>(subPtr));
+ if(subPtr && !ptr)
+ throw Exception("DynamicCastSafe : U is not a subtype of T !");
+ typename SALOMESDS::AutoRefCountPtr<U> ret(ptr);
+ if(ptr)
+ ptr->incrRef();
+ return ret;
+ }
+}
+
+#endif
