blob: 021dd757b5362685e2cc68f3fee45c80c653b6f9 (
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
|
/****************************************************************************
**
** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the QtAddOn.JsonDb module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** 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 Digia. For licensing terms and
** conditions see http://qt.digia.com/licensing. For further information
** use the contact form at http://qt.digia.com/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Digia gives you certain additional
** rights. These rights are described in the Digia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3.0 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU General Public License version 3.0 requirements will be
** met: http://www.gnu.org/copyleft/gpl.html.
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QBTREEDATA_H
#define QBTREEDATA_H
#include <QByteArray>
struct btval;
class QBtreeData
{
public:
QBtreeData() : mData(0), mPage(0), mSize(0) { }
QBtreeData(const QByteArray &array);
QBtreeData(const QBtreeData &other);
~QBtreeData();
QBtreeData &operator=(const QBtreeData &other);
inline bool isNull() const { return mData == 0; }
inline const char *constData() const { return mData; }
inline int size() const { return mSize; }
QByteArray toByteArray() const;
static QBtreeData fromRawData(const char *data, int size)
{
QBtreeData bv;
bv.mData = data;
bv.mSize = size;
return bv;
}
private:
QByteArray mByteArray;
const char *mData;
void *mPage; // struct mpage *
int mSize;
QBtreeData(struct btval *);
int ref();
int deref();
friend class QBtreeTxn;
friend class QBtreeCursor;
};
#endif // QBTREEDATA_H
|
