X-Git-Url: http://git.salome-platform.org/gitweb/?a=blobdiff_plain;f=src%2Fbases%2FAutoRefCnt.hxx;h=9511aef588ced85d8585ea1e288234c471c61a0a;hb=ae15468afa2938df5524992e79eca3d661e1b92e;hp=003a73e82a6d4726ee43dbbe95e55cf5eb123d9d;hpb=17b2be6fdceef9981751309428fbfe58f155c48e;p=modules%2Fyacs.git

diff --git a/src/bases/AutoRefCnt.hxx b/src/bases/AutoRefCnt.hxx
index 003a73e82..9511aef58 100644
--- a/src/bases/AutoRefCnt.hxx
+++ b/src/bases/AutoRefCnt.hxx
@@ -1,4 +1,4 @@
-// Copyright (C) 2006-2016  CEA/DEN, EDF R&D
+// Copyright (C) 2006-2019  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
@@ -33,6 +33,9 @@ namespace YACS
       AutoRefCnt(const AutoRefCnt& other):_ptr(0) { referPtr(other._ptr); }
       AutoRefCnt(T *ptr=0):_ptr(ptr) { }
       ~AutoRefCnt() { destroyPtr(); }
+      bool isNull() const { return _ptr==0; }
+      bool isNotNull() const { return !isNull(); }
+      void nullify() { destroyPtr(); _ptr=0; }
       bool operator==(const AutoRefCnt& other) const { return _ptr==other._ptr; }
       bool operator==(const T *other) const { return _ptr==other; }
       AutoRefCnt &operator=(const AutoRefCnt& other) { if(_ptr!=other._ptr) { destroyPtr(); referPtr(other._ptr); } return *this; }
@@ -44,6 +47,7 @@ namespace YACS
       operator T *() { return _ptr; }
       operator const T *() const { return _ptr; }
       T *retn() { if(_ptr) _ptr->incrRef(); return _ptr; }
+      void takeRef(T *ptr) { if(_ptr!=ptr) { destroyPtr(); _ptr=ptr; if(_ptr) _ptr->incrRef(); } }
     private:
       void referPtr(T *ptr) { _ptr=ptr; if(_ptr) _ptr->incrRef(); }
       void destroyPtr() { if(_ptr) _ptr->decrRef(); }
@@ -51,6 +55,32 @@ namespace YACS
       T *_ptr;
     };
 
+    template<class T>
+    class AutoConstRefCnt
+    {
+    public:
+      AutoConstRefCnt(const AutoConstRefCnt& other):_ptr(0) { referPtr(other._ptr); }
+      AutoConstRefCnt(const T *ptr=0):_ptr(ptr) { }
+      ~AutoConstRefCnt() { destroyPtr(); }
+      bool isNull() const { return _ptr==0; }
+      bool isNotNull() const { return !isNull(); }
+      void nullify() { destroyPtr(); _ptr=0; }
+      bool operator==(const AutoConstRefCnt& other) const { return _ptr==other._ptr; }
+      bool operator==(const T *other) const { return _ptr==other; }
+      AutoConstRefCnt &operator=(const AutoConstRefCnt& other) { if(_ptr!=other._ptr) { destroyPtr(); referPtr(other._ptr); } return *this; }
+      AutoConstRefCnt &operator=(const T *ptr) { if(_ptr!=ptr) { destroyPtr(); _ptr=ptr; } return *this; }
+      const T *operator->() const { return _ptr; }
+      const T& operator*() const { return *_ptr; }
+      operator const T *() const { return _ptr; }
+      const T *retn() { if(_ptr) _ptr->incrRef(); return _ptr; }
+      void takeRef(const T *ptr) { if(_ptr!=ptr) { destroyPtr(); _ptr=ptr; if(_ptr) _ptr->incrRef(); } }
+    private:
+      void referPtr(const T *ptr) { _ptr=ptr; if(_ptr) _ptr->incrRef(); }
+      void destroyPtr() { if(_ptr) _ptr->decrRef(); }
+    private:
+      const T *_ptr;
+    };
+
     template<class T, class U>
     typename YACS::BASES::AutoRefCnt<U> DynamicCast(typename YACS::BASES::AutoRefCnt<T>& autoSubPtr) throw()
     {