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1/****************************************************************************
2** $Id$
3**
4** Definition of QGArray class
5**
6** Created : 930906
7**
8** Copyright (C) 1992-2000 Trolltech AS. All rights reserved.
9**
10** This file is part of the tools module of the Qt GUI Toolkit.
11**
12** This file may be distributed under the terms of the Q Public License
13** as defined by Trolltech AS of Norway and appearing in the file
14** LICENSE.QPL included in the packaging of this file.
15**
16** This file may be distributed and/or modified under the terms of the
17** GNU General Public License version 2 as published by the Free Software
18** Foundation and appearing in the file LICENSE.GPL included in the
19** packaging of this file.
20**
21** Licensees holding valid Qt Enterprise Edition or Qt Professional Edition
22** licenses may use this file in accordance with the Qt Commercial License
23** Agreement provided with the Software.
24**
25** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
26** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
27**
28** See http://www.trolltech.com/pricing.html or email sales@trolltech.com for
29** information about Qt Commercial License Agreements.
30** See http://www.trolltech.com/qpl/ for QPL licensing information.
31** See http://www.trolltech.com/gpl/ for GPL licensing information.
32**
33** Contact info@trolltech.com if any conditions of this licensing are
34** not clear to you.
35**
36**********************************************************************/
37
38#ifndef QGARRAY_H
39#define QGARRAY_H
40
41#ifndef QT_H
42#include "qshared.h"
43#endif // QT_H
44
45
46 class Q_EXPORT QGArray // generic array
47{
48friend class QBuffer;
49public:
50 //### DO NOT USE THIS. IT IS PUBLIC BUT DO NOT USE IT IN NEW CODE.
51 struct array_data : public QShared {// shared array
52 array_data(){ data=0; len=0; }
53 char *data; // actual array data
54 uint len;
55 };
56 QGArray();
57protected:
58 QGArray( int, int ); // dummy; does not alloc
59 QGArray( int size ); // allocate 'size' bytes
60 QGArray( const QGArray &a ); // shallow copy
61 virtual ~QGArray();
62
63 QGArray &operator=( const QGArray &a ) { return assign( a ); }
64
65 virtual void detach(){ duplicate(*this); }
66
67 // ### Qt 4.0: maybe provide two versions of data(), at(), etc.
68 char *data() const{ return shd->data; }
69 uint nrefs() const{ return shd->count; }
70 uint size() const{ return shd->len; }
71 boolisEqual( const QGArray &a ) const;
72
73 boolresize( uint newsize );
74
75 boolfill( const char *d, int len, uint sz );
76
77 QGArray &assign( const QGArray &a );
78 QGArray &assign( const char *d, uint len );
79 QGArray &duplicate( const QGArray &a );
80 QGArray &duplicate( const char *d, uint len );
81 voidstore( const char *d, uint len );
82
83 array_data *sharedBlock() const { return shd; }
84 voidsetSharedBlock( array_data *p ) { shd=(array_data*)p; }
85
86 QGArray &setRawData( const char *d, uint len );
87 voidresetRawData( const char *d, uint len );
88
89 int find( const char *d, uint index, uint sz ) const;
90 int contains( const char *d, uint sz ) const;
91
92 voidsort( uint sz );
93 int bsearch( const char *d, uint sz ) const;
94
95 char *at( uint index ) const;
96
97 boolsetExpand( uint index, const char *d, uint sz );
98
99protected:
100 virtual array_data *newData();
101 virtual void deleteData( array_data *p );
102
103private:
104 static void msg_index( uint );
105 array_data *shd;
106};
107
108
109inline char *QGArray::at( uint index ) const
110{
111#if defined(QT_CHECK_RANGE)
112 if ( index >= size() ) {
113 msg_index( index );
114 index = 0;
115 }
116#endif
117 return &shd->data[index];
118}
119
120
121#endif // QGARRAY_H