blob: 39ce9136f1ad911fe552bedd2a19bb3e49a10d7b (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
|
/****************************************************************************
**
** Copyright (C) 2022 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the QtQml module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:COMM$
**
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** $QT_END_LICENSE$
**
**
**
**
**
**
**
**
**
**
**
**
**
**
**
**
**
**
**
******************************************************************************/
#ifndef REFPTR_H
#define REFPTR_H
#include "PassRefPtr.h"
template <typename T>
class RefPtr {
public:
RefPtr() : m_ptr(0) {}
RefPtr(const RefPtr<T> &other)
: m_ptr(other.m_ptr)
{
if (m_ptr)
m_ptr->ref();
}
RefPtr<T>& operator=(const RefPtr<T>& other)
{
if (other.m_ptr)
other.m_ptr->ref();
if (m_ptr)
m_ptr->deref();
m_ptr = other.m_ptr;
return *this;
}
RefPtr(const PassRefPtr<T>& other)
: m_ptr(other.leakRef())
{
}
~RefPtr()
{
if (m_ptr)
m_ptr->deref();
}
T* operator->() const { return m_ptr; }
T* get() const { return m_ptr; }
bool operator!() const { return !m_ptr; }
PassRefPtr<T> release()
{
T* ptr = m_ptr;
m_ptr = 0;
return adoptRef(ptr);
}
private:
T* m_ptr;
};
#endif // REFPTR_H
|
