bes  Updated for version 3.20.6
BESAutoPtr.h
1 // BESAutoPtr.h
2 
3 // This file is part of fits_handler, a data handler for the OPeNDAP data
4 // server.
5 
6 // Copyright (c) 2004,2005 University Corporation for Atmospheric Research
7 // Author: Patrick West <pwest@ucar.edu> and Jose Garcia <jgarcia@ucar.edu>
8 //
9 // This library is free software; you can redistribute it and/or
10 // modify it under the terms of the GNU Lesser General Public
11 // License as published by the Free Software Foundation; either
12 // version 2.1 of the License, or (at your option) any later version.
13 //
14 // This library is distributed in the hope that it will be useful,
15 // but WITHOUT ANY WARRANTY; without even the implied warranty of
16 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
17 // Lesser General Public License for more details.
18 //
19 // You should have received a copy of the GNU Lesser General Public
20 // License along with this library; if not, write to the Free Software
21 // Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
22 //
23 // You can contact University Corporation for Atmospheric Research at
24 // 3080 Center Green Drive, Boulder, CO 80301
25 
26 // (c) COPYRIGHT University Corporation for Atmostpheric Research 2004-2005
27 // Please read the full copyright statement in the file COPYRIGHT_UCAR.
28 //
29 // Authors:
30 // pwest Patrick West <pwest@ucar.edu>
31 // jgarcia Jose Garcia <jgarcia@ucar.edu>
32 
33 #ifndef BESAutoPtr_h_
34 #define BESAutoPtr_h_ 1
35 
36 template<class T>
37 class BESAutoPtr {
38 private:
39  T* p;
40  bool _is_vector;
41 
42  // disable copy constructor.
43  template<class U> BESAutoPtr(BESAutoPtr<U> &) { }
44 
45 
46  // disable overloaded = operator.
47  template<class U> BESAutoPtr<T>& operator=(BESAutoPtr<U> &)
48  {
49  return *this;
50  }
51 
52 public:
53  explicit BESAutoPtr(T* pointed = 0, bool v = false)
54  {
55  p = pointed;
56  _is_vector = v;
57  }
58 
59  ~BESAutoPtr()
60  {
61  if (_is_vector)
62  delete[] p;
63  else
64  delete p;
65  p = 0;
66  }
67 
68  T* set(T *pointed, bool v = false)
69  {
70  T* temp = p;
71  p = pointed;
72  _is_vector = v;
73  return temp;
74  }
75 
76  T* get() const
77  {
78  return p;
79  }
80 
81  T* operator ->() const
82  {
83  return p;
84  }
85 
86  T& operator *() const
87  {
88  return *p;
89  }
90 
91  T* release()
92  {
93  T* old = p;
94  p = 0;
95  return old;
96  }
97 
98  void reset()
99  {
100  if (_is_vector)
101  delete[] p;
102  else
103  delete p;
104  p = 0;
105  }
106 };
107 
108 #endif // BESAutoPtr_h_
BESAutoPtr
Definition: BESAutoPtr.h:37