blob: 92e42602c818aa3458384eef81e110b9420b524e (
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
|
// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0+ OR GPL-3.0 WITH Qt-GPL-exception-1.0
#pragma once
#include "common.h"
/* AutoPtr for a IDebugInterface */
template <class IInterface>
class IInterfacePointer
{
explicit IInterfacePointer(const IInterfacePointer&);
IInterfacePointer& operator=(const IInterfacePointer&);
public:
IInterfacePointer() = default;
// IDebugClient4 does not inherit IDebugClient.
inline explicit IInterfacePointer(IDebugClient *client) : m_instance(0), m_hr(S_OK) { create(client); }
inline explicit IInterfacePointer(CIDebugClient *client) : m_instance(0), m_hr(S_OK) { create(client); }
inline ~IInterfacePointer() { release(); }
inline IInterface *operator->() const { return m_instance; }
inline IInterface *data() const { return m_instance; }
inline bool isNull() const { return m_instance == 0; }
explicit inline operator bool() const { return !isNull(); }
inline HRESULT hr() const { return m_hr; }
// This is for creating a IDebugClient from scratch. Not matches by a constructor,
// unfortunately
inline bool create() {
release();
m_hr = DebugCreate(__uuidof(IInterface), (void **)&m_instance);
return m_hr == S_OK;
}
inline bool create(IDebugClient *client) {
release();
m_hr = client->QueryInterface(__uuidof(IInterface), (void **)&m_instance);
return m_hr == S_OK;
}
inline bool create(CIDebugClient *client) {
release();
m_hr = client->QueryInterface(__uuidof(IInterface), (void **)&m_instance);
return m_hr == S_OK;
}
private:
void release() {
if (m_instance) {
m_instance->Release();
m_instance = 0;
m_hr = S_OK;
}
}
IInterface *m_instance = nullptr;
HRESULT m_hr = S_OK;
};
|