X-Git-Url: http://git.salome-platform.org/gitweb/?a=blobdiff_plain;f=src%2FSALOMESDS%2FSALOMESDS_AutoRefCountPtr.hxx;fp=src%2FSALOMESDS%2FSALOMESDS_AutoRefCountPtr.hxx;h=021b115dd34103c4ae304a9fc7dbc97ee4a50d53;hb=8a89a50b36a47cba1839646c0623562f30af9c28;hp=0000000000000000000000000000000000000000;hpb=755e4a1a2d81db80a3a46d3c2d55d74e1853d5bf;p=modules%2Fkernel.git

diff --git a/src/SALOMESDS/SALOMESDS_AutoRefCountPtr.hxx b/src/SALOMESDS/SALOMESDS_AutoRefCountPtr.hxx
new file mode 100644
index 000000000..021b115dd
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+++ b/src/SALOMESDS/SALOMESDS_AutoRefCountPtr.hxx
@@ -0,0 +1,78 @@
+// 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