1 // Copyright (C) 2007-2020 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)
23 #include "MEDCouplingRefCountObject.hxx"
24 #include "InterpKernelException.hxx"
35 static MCAuto TakeRef(T *ptr) { MCAuto ret; ret.takeRef(ptr); return ret; }
36 MCAuto(const MCAuto& other):_ptr(nullptr) { referPtr(other._ptr); }
37 MCAuto(T *ptr=nullptr):_ptr(ptr) { }
38 ~MCAuto() { destroyPtr(); }
39 void checkNotNull() const { if(!_ptr) throw INTERP_KERNEL::Exception("Pointer is nullptr !"); }
40 bool isNull() const { return _ptr==nullptr; }
41 bool isNotNull() const { return !isNull(); }
42 void nullify() { destroyPtr(); _ptr=nullptr; }
43 bool operator==(const MCAuto& other) const { return _ptr==other._ptr; }
44 bool operator==(const T *other) const { return _ptr==other; }
45 MCAuto &operator=(const MCAuto& other) { if(_ptr!=other._ptr) { destroyPtr(); referPtr(other._ptr); } return *this; }
46 MCAuto &operator=(T *ptr) { if(_ptr!=ptr) { destroyPtr(); _ptr=ptr; } return *this; }
47 void takeRef(T *ptr) { if(_ptr!=ptr) { destroyPtr(); _ptr=ptr; if(_ptr) _ptr->incrRef(); } }
48 T *operator->() { return _ptr ; }
49 const T *operator->() const { return _ptr; }
50 T& operator*() { return *_ptr; }
51 const T& operator*() const { return *_ptr; }
52 operator T *() { return _ptr; }
53 operator const T *() const { return _ptr; }
54 T *retn() { if(_ptr) _ptr->incrRef(); return _ptr; }
55 T *retnConstCast() const { if(_ptr) _ptr->incrRef(); return _ptr; }
56 T *iAmATrollConstCast() const { return _ptr; }
58 void referPtr(T *ptr) { _ptr=ptr; if(_ptr) _ptr->incrRef(); }
59 void destroyPtr() { if(_ptr) _ptr->decrRef(); }
65 std::vector<const T*> FromVecAutoToVecOfConst(const std::vector<MCAuto<T>>& inputVec)
67 std::size_t size(inputVec.size());
68 std::vector< const T *> ret(size);
69 typename std::vector< const T *>::iterator itArrays(ret.begin());
70 std::for_each(inputVec.begin(),inputVec.end(),[&itArrays](MCAuto<T> elt) { *itArrays++=elt; });
75 std::vector<MCAuto<T>> FromVecToVecAuto(const std::vector<T*>& inputVec)
77 std::size_t size(inputVec.size());
78 std::vector<MCAuto<T>> ret(size);
79 typename std::vector<MCAuto<T>>::iterator itArrays(ret.begin());
80 std::for_each(inputVec.begin(),inputVec.end(),[&itArrays](T *elt) { (*itArrays).takeRef(elt); itArrays++; });
85 std::vector<MCAuto<T>> FromVecConstToVecAuto(const std::vector<const T*>& inputVec)
87 std::size_t size(inputVec.size());
88 std::vector<MCAuto<T>> ret(size);
89 typename std::vector<MCAuto<T>>::iterator itArrays(ret.begin());
90 std::for_each(inputVec.begin(),inputVec.end(),[&itArrays](const T *elt) { (*itArrays).takeRef(const_cast<T*>(elt)); itArrays++; });
94 template<class T, class U>
95 typename MEDCoupling::MCAuto<U> DynamicCast(typename MEDCoupling::MCAuto<T>& autoSubPtr) noexcept(true)
97 T *subPtr(autoSubPtr);
98 U *ptr(dynamic_cast<U *>(subPtr));
99 typename MEDCoupling::MCAuto<U> ret(ptr);
105 template<class T, class U>
106 typename MEDCoupling::MCAuto<U> DynamicCastSafe(typename MEDCoupling::MCAuto<T>& autoSubPtr)
108 T *subPtr(autoSubPtr);
109 U *ptr(dynamic_cast<U *>(subPtr));
111 throw INTERP_KERNEL::Exception("DynamicCastSafe : U is not a subtype of T !");
112 typename MEDCoupling::MCAuto<U> ret(ptr);
119 typename std::vector<const T *> ToConstVect(const typename std::vector< MCAuto<T> >& vec)
121 std::size_t sz(vec.size());
122 std::vector<const T *> ret(sz);
123 for(std::size_t i=0;i<sz;i++)
124 ret[i]=(const T *)vec[i];
132 MCConstAuto(const MCConstAuto& other):_ptr(0) { referPtr(other._ptr); }
133 MCConstAuto(const typename MEDCoupling::MCAuto<T> & other):_ptr(0) { referPtr( (const T*) other); }
134 MCConstAuto(const T *ptr=0):_ptr(ptr) { }
135 ~MCConstAuto() { destroyPtr(); }
136 bool isNull() const { return _ptr==0; }
137 bool isNotNull() const { return !isNull(); }
138 void nullify() { destroyPtr(); _ptr=0; }
139 bool operator==(const MCConstAuto& other) const { return _ptr==other._ptr; }
140 bool operator==(const T *other) const { return _ptr==other; }
141 MCConstAuto &operator=(const MCConstAuto& other) { if(_ptr!=other._ptr) { destroyPtr(); referPtr(other._ptr); } return *this; }
142 MCConstAuto &operator=(const T *ptr) { if(_ptr!=ptr) { destroyPtr(); _ptr=ptr; } return *this; }
143 void takeRef(const T *ptr) { if(_ptr!=ptr) { destroyPtr(); _ptr=ptr; if(_ptr) _ptr->incrRef(); } }
144 const T *operator->() { return _ptr ; }
145 const T *operator->() const { return _ptr; }
146 const T& operator*() { return *_ptr; }
147 const T& operator*() const { return *_ptr; }
148 operator const T *() const { return _ptr; }
149 T *shameOnMeConstCast() const { return const_cast<T*>(_ptr); }
151 void referPtr(const T *ptr) { _ptr=ptr; if(_ptr) _ptr->incrRef(); }
152 void destroyPtr() { if(_ptr) _ptr->decrRef(); }