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
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
|
// Copyright (C) 2025 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
// Qt-Security score:significant reason:default
#ifndef QIOOPERATION_P_H
#define QIOOPERATION_P_H
//
// W A R N I N G
// -------------
//
// This file is not part of the Qt API. It exists purely as an
// implementation detail. This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
//
#include <QtCore/private/qglobal_p.h>
#include <QtCore/qobject.h>
#include <QtCore/qspan.h>
QT_BEGIN_NAMESPACE
class QIOOperationPrivate;
class Q_CORE_EXPORT QIOOperation : public QObject
{
Q_OBJECT
public:
// TODO: more specific error codes?
enum class Error
{
None,
FileNotOpen,
IncorrectOffset,
Read,
Write,
Flush,
Open,
Aborted,
};
Q_ENUM(Error)
enum class Type : quint8
{
Unknown,
Read,
Write,
Flush,
Open,
};
Q_ENUM(Type)
~QIOOperation() override;
Type type() const;
Error error() const;
bool isFinished() const;
Q_SIGNALS:
void finished();
void errorOccurred(Error err);
protected:
QIOOperation() = delete;
Q_DISABLE_COPY_MOVE(QIOOperation)
explicit QIOOperation(QIOOperationPrivate &dd, QObject *parent = nullptr);
void ensureCompleteOrCanceled();
Q_DECLARE_PRIVATE(QIOOperation)
friend class QRandomAccessAsyncFilePrivate;
};
class Q_CORE_EXPORT QIOReadWriteOperationBase : public QIOOperation
{
public:
~QIOReadWriteOperationBase() override;
qint64 offset() const;
qint64 numBytesProcessed() const;
protected:
QIOReadWriteOperationBase() = delete;
Q_DISABLE_COPY_MOVE(QIOReadWriteOperationBase)
explicit QIOReadWriteOperationBase(QIOOperationPrivate &dd, QObject *parent = nullptr);
};
class Q_CORE_EXPORT QIOReadOperation : public QIOReadWriteOperationBase
{
public:
~QIOReadOperation() override;
QByteArray data() const;
protected:
QIOReadOperation() = delete;
Q_DISABLE_COPY_MOVE(QIOReadOperation)
explicit QIOReadOperation(QIOOperationPrivate &dd, QObject *parent = nullptr);
friend class QRandomAccessAsyncFilePrivate;
};
class Q_CORE_EXPORT QIOWriteOperation : public QIOReadWriteOperationBase
{
public:
~QIOWriteOperation() override;
QByteArray data() const;
protected:
QIOWriteOperation() = delete;
Q_DISABLE_COPY_MOVE(QIOWriteOperation)
explicit QIOWriteOperation(QIOOperationPrivate &dd, QObject *parent = nullptr);
friend class QRandomAccessAsyncFilePrivate;
};
class Q_CORE_EXPORT QIOVectoredReadOperation : public QIOReadWriteOperationBase
{
public:
~QIOVectoredReadOperation() override;
QSpan<const QSpan<std::byte>> data() const;
protected:
QIOVectoredReadOperation() = delete;
Q_DISABLE_COPY_MOVE(QIOVectoredReadOperation)
explicit QIOVectoredReadOperation(QIOOperationPrivate &dd, QObject *parent = nullptr);
friend class QRandomAccessAsyncFilePrivate;
};
class Q_CORE_EXPORT QIOVectoredWriteOperation : public QIOReadWriteOperationBase
{
public:
~QIOVectoredWriteOperation() override;
QSpan<const QSpan<const std::byte>> data() const;
protected:
QIOVectoredWriteOperation() = delete;
Q_DISABLE_COPY_MOVE(QIOVectoredWriteOperation)
explicit QIOVectoredWriteOperation(QIOOperationPrivate &dd, QObject *parent = nullptr);
friend class QRandomAccessAsyncFilePrivate;
};
QT_END_NAMESPACE
#endif // QIOOPERATION_P_H
|
