claw 1.9.0
 
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smart_ptr.hpp
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1/*
2 CLAW - a C++ Library Absolutely Wonderful
3
4 CLAW is a free library without any particular aim but being useful to
5 anyone.
6
7 Copyright (C) 2005-2011 Julien Jorge
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 St, Fifth Floor, Boston, MA 02110-1301 USA
22
23 contact: julien.jorge@stuff-o-matic.com
24*/
30
31#ifndef __CLAW_SMART_PTR_HPP__
32#define __CLAW_SMART_PTR_HPP__
33
34namespace claw
35{
36 namespace memory
37 {
50 template <typename T>
51 class smart_ptr
52 {
53 public:
55 typedef T value_type;
56
58 typedef smart_ptr<value_type> self_type;
59
61 typedef T& reference;
62
64 typedef T* pointer;
65
67 typedef const T& const_reference;
68
70 typedef const T* const const_pointer;
71
72 public:
73 smart_ptr();
74 smart_ptr(pointer data);
75 smart_ptr(const self_type& that);
76 ~smart_ptr();
77
78 self_type& operator=(const self_type& that);
79
80 bool operator==(const self_type& that) const;
81 bool operator!=(const self_type& that) const;
82 bool operator<(const self_type& that) const;
83 bool operator<=(const self_type& that) const;
84 bool operator>(const self_type& that) const;
85 bool operator>=(const self_type& that) const;
86
87 pointer operator->();
88 pointer operator->() const;
89 reference operator*();
90 reference operator*() const;
91
92 private:
93 void copy(const self_type& that);
94 void release();
95
96 private:
98 unsigned int* m_ref_count;
99
101 pointer m_ptr;
102
103 }; // class smart_ptr
104 }
105}
106
107#include <claw/smart_ptr.tpp>
108
109#endif // __CLAW_SMART_PTR_HPP__
const value_type *const const_pointer
Definition smart_ptr.hpp:70
T value_type
The type of the pointed data.
Definition smart_ptr.hpp:55
smart_ptr< value_type > self_type
The type of the current class.
Definition smart_ptr.hpp:58
Memory management.
Definition claw.hpp:70
This is the main namespace.