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
154
155
156
157
158
159
160
161
162
163
164
165
166
|
/****************************************************************************
** $Id$
**
** Definition of QBitArray class
**
** Created : 940118
**
** Copyright (C) 1992-2000 Trolltech AS. All rights reserved.
**
** This file is part of the tools module of the Qt GUI Toolkit.
**
** This file may be distributed under the terms of the Q Public License
** as defined by Trolltech AS of Norway and appearing in the file
** LICENSE.QPL included in the packaging of this file.
**
** This file may be distributed and/or modified under the terms of the
** GNU General Public License version 2 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file.
**
** Licensees holding valid Qt Enterprise Edition or Qt Professional Edition
** licenses may use this file in accordance with the Qt Commercial License
** Agreement provided with the Software.
**
** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
**
** See http://www.trolltech.com/pricing.html or email sales@trolltech.com for
** information about Qt Commercial License Agreements.
** See http://www.trolltech.com/qpl/ for QPL licensing information.
** See http://www.trolltech.com/gpl/ for GPL licensing information.
**
** Contact info@trolltech.com if any conditions of this licensing are
** not clear to you.
**
**********************************************************************/
#ifndef QBITARRAY_H
#define QBITARRAY_H
#ifndef QT_H
#include "qstring.h"
#endif // QT_H
/*****************************************************************************
QBitVal class; a context class for QBitArray::operator[]
*****************************************************************************/
class QBitArray;
class Q_EXPORT QBitVal
{
private:
QBitArray *array;
uint index;
public:
QBitVal( QBitArray *a, uint i ) : array(a), index(i) {}
operator int();
QBitVal &operator=( const QBitVal &v );
QBitVal &operator=( bool v );
};
/*****************************************************************************
QBitArray class
*****************************************************************************/
class Q_EXPORT QBitArray : public QByteArray
{
public:
QBitArray();
QBitArray( uint size );
QBitArray( const QBitArray &a ) : QByteArray( a ) {}
QBitArray &operator=( const QBitArray & );
uint size() const;
bool resize( uint size );
bool fill( bool v, int size = -1 );
void detach();
QBitArray copy() const;
bool testBit( uint index ) const;
void setBit( uint index );
void setBit( uint index, bool value );
void clearBit( uint index );
bool toggleBit( uint index );
bool at( uint index ) const;
QBitVal operator[]( int index );
bool operator[]( int index ) const;
QBitArray &operator&=( const QBitArray & );
QBitArray &operator|=( const QBitArray & );
QBitArray &operator^=( const QBitArray & );
QBitArray operator~() const;
protected:
struct bitarr_data : public QGArray::array_data {
uint nbits;
};
array_data *newData() { return new bitarr_data; }
void deleteData( array_data *d ) { delete (bitarr_data*)d; }
private:
void pad0();
};
inline QBitArray &QBitArray::operator=( const QBitArray &a )
{ return (QBitArray&)assign( a ); }
inline uint QBitArray::size() const
{ return ((bitarr_data*)sharedBlock())->nbits; }
inline void QBitArray::setBit( uint index, bool value )
{ if ( value ) setBit(index); else clearBit(index); }
inline bool QBitArray::at( uint index ) const
{ return testBit(index); }
inline QBitVal QBitArray::operator[]( int index )
{ return QBitVal( (QBitArray*)this, index ); }
inline bool QBitArray::operator[]( int index ) const
{ return testBit( index ); }
/*****************************************************************************
Misc. QBitArray operator functions
*****************************************************************************/
Q_EXPORT QBitArray operator&( const QBitArray &, const QBitArray & );
Q_EXPORT QBitArray operator|( const QBitArray &, const QBitArray & );
Q_EXPORT QBitArray operator^( const QBitArray &, const QBitArray & );
inline QBitVal::operator int()
{
return array->testBit( index );
}
inline QBitVal &QBitVal::operator=( const QBitVal &v )
{
array->setBit( index, v.array->testBit(v.index) );
return *this;
}
inline QBitVal &QBitVal::operator=( bool v )
{
array->setBit( index, v );
return *this;
}
/*****************************************************************************
QBitArray stream functions
*****************************************************************************/
#ifndef QT_NO_DATASTREAM
Q_EXPORT QDataStream &operator<<( QDataStream &, const QBitArray & );
Q_EXPORT QDataStream &operator>>( QDataStream &, QBitArray & );
#endif
#endif // QBITARRAY_H
|
