1 // Copyright (C) 2006-2019 CEA/DEN, EDF R&D
3 // This library is free software; you can redistribute it and/or
4 // modify it under the terms of the GNU Lesser General Public
5 // License as published by the Free Software Foundation; either
6 // version 2.1 of the License, or (at your option) any later version.
8 // This library is distributed in the hope that it will be useful,
9 // but WITHOUT ANY WARRANTY; without even the implied warranty of
10 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
11 // Lesser General Public License for more details.
13 // You should have received a copy of the GNU Lesser General Public
14 // License along with this library; if not, write to the Free Software
15 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
17 // See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
20 #ifndef __AUTOREFCNT_HXX__
21 #define __AUTOREFCNT_HXX__
23 #include "Exception.hxx"
33 AutoRefCnt(const AutoRefCnt& other):_ptr(0) { referPtr(other._ptr); }
34 AutoRefCnt(T *ptr=0):_ptr(ptr) { }
35 ~AutoRefCnt() { destroyPtr(); }
36 bool isNull() const { return _ptr==0; }
37 bool isNotNull() const { return !isNull(); }
38 void nullify() { destroyPtr(); _ptr=0; }
39 bool operator==(const AutoRefCnt& other) const { return _ptr==other._ptr; }
40 bool operator==(const T *other) const { return _ptr==other; }
41 AutoRefCnt &operator=(const AutoRefCnt& other) { if(_ptr!=other._ptr) { destroyPtr(); referPtr(other._ptr); } return *this; }
42 AutoRefCnt &operator=(T *ptr) { if(_ptr!=ptr) { destroyPtr(); _ptr=ptr; } return *this; }
43 T *operator->() { return _ptr ; }
44 const T *operator->() const { return _ptr; }
45 T& operator*() { return *_ptr; }
46 const T& operator*() const { return *_ptr; }
47 operator T *() { return _ptr; }
48 operator const T *() const { return _ptr; }
49 T *retn() { if(_ptr) _ptr->incrRef(); return _ptr; }
50 void takeRef(T *ptr) { if(_ptr!=ptr) { destroyPtr(); _ptr=ptr; if(_ptr) _ptr->incrRef(); } }
52 void referPtr(T *ptr) { _ptr=ptr; if(_ptr) _ptr->incrRef(); }
53 void destroyPtr() { if(_ptr) _ptr->decrRef(); }
62 AutoConstRefCnt(const AutoConstRefCnt& other):_ptr(0) { referPtr(other._ptr); }
63 AutoConstRefCnt(const T *ptr=0):_ptr(ptr) { }
64 ~AutoConstRefCnt() { destroyPtr(); }
65 bool isNull() const { return _ptr==0; }
66 bool isNotNull() const { return !isNull(); }
67 void nullify() { destroyPtr(); _ptr=0; }
68 bool operator==(const AutoConstRefCnt& other) const { return _ptr==other._ptr; }
69 bool operator==(const T *other) const { return _ptr==other; }
70 AutoConstRefCnt &operator=(const AutoConstRefCnt& other) { if(_ptr!=other._ptr) { destroyPtr(); referPtr(other._ptr); } return *this; }
71 AutoConstRefCnt &operator=(const T *ptr) { if(_ptr!=ptr) { destroyPtr(); _ptr=ptr; } return *this; }
72 const T *operator->() const { return _ptr; }
73 const T& operator*() const { return *_ptr; }
74 operator const T *() const { return _ptr; }
75 const T *retn() { if(_ptr) _ptr->incrRef(); return _ptr; }
76 void takeRef(const T *ptr) { if(_ptr!=ptr) { destroyPtr(); _ptr=ptr; if(_ptr) _ptr->incrRef(); } }
78 void referPtr(const T *ptr) { _ptr=ptr; if(_ptr) _ptr->incrRef(); }
79 void destroyPtr() { if(_ptr) _ptr->decrRef(); }
84 template<class T, class U>
85 typename YACS::BASES::AutoRefCnt<U> DynamicCast(typename YACS::BASES::AutoRefCnt<T>& autoSubPtr) throw()
87 T *subPtr(autoSubPtr);
88 U *ptr(dynamic_cast<U *>(subPtr));
89 typename YACS::BASES::AutoRefCnt<U> ret(ptr);
95 template<class T, class U>
96 typename YACS::BASES::AutoRefCnt<U> DynamicCastSafe(typename YACS::BASES::AutoRefCnt<T>& autoSubPtr)
98 T *subPtr(autoSubPtr);
99 U *ptr(dynamic_cast<U *>(subPtr));
101 throw Exception("DynamicCastSafe : U is not a subtype of T !");
102 typename YACS::BASES::AutoRefCnt<U> ret(ptr);
112 AutoCppPtr(T *ptr=0):_ptr(ptr) { }
113 ~AutoCppPtr() { destroyPtr(); }
114 AutoCppPtr &operator=(T *ptr) { if(_ptr!=ptr) { destroyPtr(); _ptr=ptr; } return *this; }
115 T *operator->() { return _ptr ; }
116 const T *operator->() const { return _ptr; }
117 T& operator*() { return *_ptr; }
118 const T& operator*() const { return *_ptr; }
119 operator T *() { return _ptr; }
120 operator const T *() const { return _ptr; }
122 void destroyPtr() { delete _ptr; }