blob: 8147459a8d704a57198ee55dc3ba033ca36ebcd8 (
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
|
/****************************************************************************
** Copyright (C) 2001-2010 Klaralvdalens Datakonsult AB. All rights reserved.
**
** This file is part of the KD Tools library.
**
** Licensees holding valid commercial KD Tools licenses may use this file in
** accordance with the KD Tools Commercial License Agreement provided with
** the Software.
**
**
** This file may be distributed and/or modified under the terms of the
** GNU Lesser General Public License version 2 and version 3 as published by the
** Free Software Foundation and appearing in the file LICENSE.LGPL included.
**
** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
**
** Contact info@kdab.com if any conditions of this licensing are not
** clear to you.
**
**********************************************************************/
#ifndef KDTOOLS_KDSAVEFILE_H
#define KDTOOLS_KDSAVEFILE_H
#include <kdtoolsglobal.h>
#include <QIODevice>
#include <QFile>
#include <QString>
class KDTOOLS_EXPORT KDSaveFile : public QIODevice
{
Q_OBJECT
public:
explicit KDSaveFile(const QString &filename = QString(), QObject *parent = 0);
~KDSaveFile();
enum CommitMode {
BackupExistingFile = 1,
OverwriteExistingFile = 2
};
bool commit(CommitMode = BackupExistingFile);
QString fileName() const;
void setFileName(const QString &filename);
QFile::Permissions permissions() const;
bool setPermissions(QFile::Permissions);
QString backupExtension() const;
void setBackupExtension(const QString &extension);
bool flush();
bool resize(qint64 size);
int handle() const;
bool atEnd();
qint64 bytesAvailable() const;
qint64 bytesToWrite() const;
bool canReadLine() const;
void close();
bool isSequential() const;
bool open(OpenMode mode = QIODevice::ReadWrite); //only valid: WriteOnly, ReadWrite
qint64 pos() const;
bool reset();
bool seek(qint64 pos);
qint64 size() const;
bool waitForBytesWritten(int msecs);
bool waitForReadyRead(int msecs);
private:
qint64 readData(char *data, qint64 maxSize);
qint64 readLineData(char *data, qint64 maxSize);
qint64 writeData(const char *data, qint64 maxSize);
private:
class Private;
Private *d;
};
#endif // KDTOOLS_KDSAVEFILE_H
|