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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 | { | ||
48 | friend class QBuffer; | ||
49 | public: | ||
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(); | ||
57 | protected: | ||
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 | |||
99 | protected: | ||
100 | virtual array_data *newData(); | ||
101 | virtual void deleteData( array_data *p ); | ||
102 | |||
103 | private: | ||
104 | static void msg_index( uint ); | ||
105 | array_data *shd; | ||
106 | }; | ||
107 | |||
108 | |||
109 | inline 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 | ||