1/****************************************************************************
2**
3** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies).
4** Contact: http://www.qt-project.org/legal
5**
6** This file is part of the QtCore module of the Qt Toolkit.
7**
8** $QT_BEGIN_LICENSE:LGPL$
9** Commercial License Usage
10** Licensees holding valid commercial Qt licenses may use this file in
11** accordance with the commercial license agreement provided with the
12** Software or, alternatively, in accordance with the terms contained in
13** a written agreement between you and Digia. For licensing terms and
14** conditions see http://qt.digia.com/licensing. For further information
15** use the contact form at http://qt.digia.com/contact-us.
16**
17** GNU Lesser General Public License Usage
18** Alternatively, this file may be used under the terms of the GNU Lesser
19** General Public License version 2.1 as published by the Free Software
20** Foundation and appearing in the file LICENSE.LGPL included in the
21** packaging of this file. Please review the following information to
22** ensure the GNU Lesser General Public License version 2.1 requirements
23** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
24**
25** In addition, as a special exception, Digia gives you certain additional
26** rights. These rights are described in the Digia Qt LGPL Exception
27** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
28**
29** GNU General Public License Usage
30** Alternatively, this file may be used under the terms of the GNU
31** General Public License version 3.0 as published by the Free Software
32** Foundation and appearing in the file LICENSE.GPL included in the
33** packaging of this file. Please review the following information to
34** ensure the GNU General Public License version 3.0 requirements will be
35** met: http://www.gnu.org/copyleft/gpl.html.
36**
37**
38** $QT_END_LICENSE$
39**
40****************************************************************************/
41
42#ifndef QBUFFER_H
43#define QBUFFER_H
44
45#include <QtCore/qiodevice.h>
46#include <QtCore/qbytearray.h>
47
48QT_BEGIN_HEADER
49
50QT_BEGIN_NAMESPACE
51
52QT_MODULE(Core)
53
54class QObject;
55class QBufferPrivate;
56
57class Q_CORE_EXPORT QBuffer : public QIODevice
58{
59#ifndef QT_NO_QOBJECT
60 Q_OBJECT
61#endif
62
63public:
64#ifndef QT_NO_QOBJECT
65 explicit QBuffer(QObject *parent = 0);
66 QBuffer(QByteArray *buf, QObject *parent = 0);
67#else
68 QBuffer();
69 explicit QBuffer(QByteArray *buf);
70#endif
71 ~QBuffer();
72
73 QByteArray &buffer();
74 const QByteArray &buffer() const;
75 void setBuffer(QByteArray *a);
76
77 void setData(const QByteArray &data);
78 inline void setData(const char *data, int len);
79 const QByteArray &data() const;
80
81 bool open(OpenMode openMode);
82
83 void close();
84 qint64 size() const;
85 qint64 pos() const;
86 bool seek(qint64 off);
87 bool atEnd() const;
88 bool canReadLine() const;
89
90protected:
91#ifndef QT_NO_QOBJECT
92 void connectNotify(const char*);
93 void disconnectNotify(const char*);
94#endif
95 qint64 readData(char *data, qint64 maxlen);
96 qint64 writeData(const char *data, qint64 len);
97
98private:
99 Q_DECLARE_PRIVATE(QBuffer)
100 Q_DISABLE_COPY(QBuffer)
101
102 Q_PRIVATE_SLOT(d_func(), void _q_emitSignals())
103};
104
105inline void QBuffer::setData(const char *adata, int alen)
106{ setData(QByteArray(adata, alen)); }
107
108QT_END_NAMESPACE
109
110QT_END_HEADER
111
112#endif // QBUFFER_H
113