spot  1.2.6
 All Classes Namespaces Files Functions Variables Typedefs Enumerations Enumerator Friends Groups Pages
unique_ptr.hh
1 // -*- coding: utf-8 -*-
2 // Copyright (C) 2012, 2013 Laboratoire de Recherche et
3 // Développement de l'Epita (LRDE).
4 //
5 // This file is part of Spot, a model checking library.
6 //
7 // Spot is free software; you can redistribute it and/or modify it
8 // under the terms of the GNU General Public License as published by
9 // the Free Software Foundation; either version 3 of the License, or
10 // (at your option) any later version.
11 //
12 // Spot is distributed in the hope that it will be useful, but WITHOUT
13 // ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
14 // or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
15 // License for more details.
16 //
17 // You should have received a copy of the GNU General Public License
18 // along with this program. If not, see <http://www.gnu.org/licenses/>.
19 
20 #ifndef SPOT_MISC_UNIQUE_PTR_HH
21 # define SPOT_MISC_UNIQUE_PTR_HH
22 
23 namespace spot
24 {
27  template <typename T>
28  class unique_ptr
29  {
30  typedef T* pointer;
31  typedef const T* const_pointer;
32  public:
33  unique_ptr(pointer ptr)
34  : ptr_(ptr)
35  {
36  }
37 
38  ~unique_ptr()
39  {
40  delete ptr_;
41  }
42 
43  operator pointer()
44  {
45  return ptr_;
46  }
47 
48  pointer
49  operator->()
50  {
51  return ptr_;
52  }
53 
54  const_pointer
55  operator->() const
56  {
57  return ptr_;
58  }
59 
60  private:
61  pointer ptr_;
62 
63  // This copy gives the ownership of the pointer to the new copy.
64  // Can only be used by make_unique.
65  unique_ptr(const unique_ptr& up)
66  {
67  unique_ptr& non_const_up = const_cast<unique_ptr&>(up);
68  ptr_ = non_const_up.ptr_;
69  non_const_up.ptr_ = 0;
70  }
71 
72  // Allow `make_unique' to have an access to the private copy.
73  template <typename V> friend unique_ptr<V> make_unique(V* ptr);
74 
75  unique_ptr& operator=(const unique_ptr&);
76  };
77 
78 
80  template <typename T>
81  inline unique_ptr<T> make_unique(T* ptr)
82  {
83  return unique_ptr<T>(ptr);
84  }
85 }
86 
87 
88 #endif // !SPOT_MISC_UNIQUE_PTR_HH

Please direct any question, comment, or bug report to the Spot mailing list at spot@lrde.epita.fr.
Generated on Sat Dec 6 2014 12:28:44 for spot by doxygen 1.8.4