summaryrefslogtreecommitdiffstats
path: root/src/qt3support/tools/q3garray.h
blob: fbcd591d9addee1037a0c10216b37b017ab6209f (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
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
/****************************************************************************
**
** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the Qt3Support module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** GNU Lesser General Public License Usage
** 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, Nokia gives you certain additional
** rights. These rights are described in the Nokia 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.
**
** Other Usage
** Alternatively, this file may be used in accordance with the terms and
** conditions contained in a signed written agreement between you and Nokia.
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/

#ifndef Q3GARRAY_H
#define Q3GARRAY_H

#include <Qt3Support/q3shared.h>

QT_BEGIN_HEADER

QT_BEGIN_NAMESPACE

QT_MODULE(Qt3SupportLight)

class Q_COMPAT_EXPORT Q3GArray					// generic array
{
    friend class QBuffer;
public:
    // do not use this, even though this is public
    struct array_data : public Q3Shared {	// shared array
	array_data():data(0),len(0)
#ifdef QT_QGARRAY_SPEED_OPTIM
		    ,maxl(0)
#endif
	    {}
	char *data;				// actual array data
	uint  len;
#ifdef QT_QGARRAY_SPEED_OPTIM
	uint maxl;
#endif
    };
    Q3GArray();
    enum Optimization { MemOptim, SpeedOptim };
protected:
    Q3GArray(int, int);			// dummy; does not alloc
    Q3GArray(int size);			// allocate 'size' bytes
    Q3GArray(const Q3GArray &a);		// shallow copy
    virtual ~Q3GArray();

    Q3GArray    &operator=(const Q3GArray &a) { return assign(a); }

    virtual void detach()	{ duplicate(*this); }

    // ### Qt 4.0: maybe provide two versions of data(), at(), etc.
    char       *data()	 const	{ return shd->data; }
    uint	nrefs()	 const	{ return shd->count; }
    uint	size()	 const	{ return shd->len; }
    bool	isEqual(const Q3GArray &a) const;

    bool	resize(uint newsize, Optimization optim);
    bool	resize(uint newsize);

    bool	fill(const char *d, int len, uint sz);

    Q3GArray    &assign(const Q3GArray &a);
    Q3GArray    &assign(const char *d, uint len);
    Q3GArray    &duplicate(const Q3GArray &a);
    Q3GArray    &duplicate(const char *d, uint len);
    void	store(const char *d, uint len);

    array_data *sharedBlock()	const		{ return shd; }
    void	setSharedBlock(array_data *p) { shd=(array_data*)p; }

    Q3GArray    &setRawData(const char *d, uint len);
    void	resetRawData(const char *d, uint len);

    int		find(const char *d, uint index, uint sz) const;
    int		contains(const char *d, uint sz) const;

    void	sort(uint sz);
    int		bsearch(const char *d, uint sz) const;

    char       *at(uint index) const;

    bool	setExpand(uint index, const char *d, uint sz);

protected:
    virtual array_data *newData();
    virtual void deleteData(array_data *p);

private:
    static void msg_index(uint);
    array_data *shd;
};


inline char *Q3GArray::at(uint index) const
{
#if defined(QT_CHECK_RANGE)
    if (index >= size()) {
	msg_index(index);
	index = 0;
    }
#endif
    return &shd->data[index];
}

QT_END_NAMESPACE

QT_END_HEADER

#endif // Q3GARRAY_H