1 // Copyright (C) 2007-2016 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
19 // Author : Anthony Geay (CEA/DEN)
21 #ifndef __PARAMEDMEM_MEDCOUPLINGAUTOREFCOUNTOBJECTPTR_HXX__
22 #define __PARAMEDMEM_MEDCOUPLINGAUTOREFCOUNTOBJECTPTR_HXX__
24 #include "MEDCouplingRefCountObject.hxx"
25 #include "InterpKernelException.hxx"
35 MCAuto(const MCAuto& other):_ptr(0) { referPtr(other._ptr); }
36 MCAuto(T *ptr=0):_ptr(ptr) { }
37 ~MCAuto() { destroyPtr(); }
38 bool isNull() const { return _ptr==0; }
39 bool isNotNull() const { return !isNull(); }
40 void nullify() { destroyPtr(); _ptr=0; }
41 bool operator==(const MCAuto& other) const { return _ptr==other._ptr; }
42 bool operator==(const T *other) const { return _ptr==other; }
43 MCAuto &operator=(const MCAuto& other) { if(_ptr!=other._ptr) { destroyPtr(); referPtr(other._ptr); } return *this; }
44 MCAuto &operator=(T *ptr) { if(_ptr!=ptr) { destroyPtr(); _ptr=ptr; } return *this; }
45 void takeRef(T *ptr) { if(_ptr!=ptr) { destroyPtr(); _ptr=ptr; if(_ptr) _ptr->incrRef(); } }
46 T *operator->() { return _ptr ; }
47 const T *operator->() const { return _ptr; }
48 T& operator*() { return *_ptr; }
49 const T& operator*() const { return *_ptr; }
50 operator T *() { return _ptr; }
51 operator const T *() const { return _ptr; }
52 T *retn() { if(_ptr) _ptr->incrRef(); return _ptr; }
53 T *iAmATrollConstCast() const { return _ptr; }
55 void referPtr(T *ptr) { _ptr=ptr; if(_ptr) _ptr->incrRef(); }
56 void destroyPtr() { if(_ptr) _ptr->decrRef(); }
61 template<class T, class U>
62 typename MEDCoupling::MCAuto<U> DynamicCast(typename MEDCoupling::MCAuto<T>& autoSubPtr) throw()
64 T *subPtr(autoSubPtr);
65 U *ptr(dynamic_cast<U *>(subPtr));
66 typename MEDCoupling::MCAuto<U> ret(ptr);
72 template<class T, class U>
73 typename MEDCoupling::MCAuto<U> DynamicCastSafe(typename MEDCoupling::MCAuto<T>& autoSubPtr)
75 T *subPtr(autoSubPtr);
76 U *ptr(dynamic_cast<U *>(subPtr));
78 throw INTERP_KERNEL::Exception("DynamicCastSafe : U is not a subtype of T !");
79 typename MEDCoupling::MCAuto<U> ret(ptr);
86 typename std::vector<const T *> ToConstVect(const typename std::vector< MCAuto<T> >& vec)
88 std::size_t sz(vec.size());
89 std::vector<const T *> ret(sz);
90 for(std::size_t i=0;i<sz;i++)
91 ret[i]=(const T *)vec[i];
99 MCConstAuto(const MCConstAuto& other):_ptr(0) { referPtr(other._ptr); }
100 MCConstAuto(const typename MEDCoupling::MCAuto<T> & other):_ptr(0) { referPtr( (const T*) other); }
101 MCConstAuto(const T *ptr=0):_ptr(ptr) { }
102 ~MCConstAuto() { destroyPtr(); }
103 bool isNull() const { return _ptr==0; }
104 bool isNotNull() const { return !isNull(); }
105 void nullify() { destroyPtr(); _ptr=0; }
106 bool operator==(const MCConstAuto& other) const { return _ptr==other._ptr; }
107 bool operator==(const T *other) const { return _ptr==other; }
108 MCConstAuto &operator=(const MCConstAuto& other) { if(_ptr!=other._ptr) { destroyPtr(); referPtr(other._ptr); } return *this; }
109 MCConstAuto &operator=(const T *ptr) { if(_ptr!=ptr) { destroyPtr(); _ptr=ptr; } return *this; }
110 void takeRef(const T *ptr) { if(_ptr!=ptr) { destroyPtr(); _ptr=ptr; if(_ptr) _ptr->incrRef(); } }
111 const T *operator->() { return _ptr ; }
112 const T *operator->() const { return _ptr; }
113 const T& operator*() { return *_ptr; }
114 const T& operator*() const { return *_ptr; }
115 operator const T *() const { return _ptr; }
116 T *shameOnMeConstCast() const { return const_cast<T*>(_ptr); }
118 void referPtr(const T *ptr) { _ptr=ptr; if(_ptr) _ptr->incrRef(); }
119 void destroyPtr() { if(_ptr) _ptr->decrRef(); }