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1 | /**************************************************************************** | ||
2 | ** | ||
3 | ** Definition of QPair class | ||
4 | ** | ||
5 | ** | ||
6 | ** Copyright (C) 1992-2001 Trolltech AS. All rights reserved. | ||
7 | ** | ||
8 | ** This file is part of the tools module of the Qt GUI Toolkit. | ||
9 | ** | ||
10 | ** This file may be distributed under the terms of the Q Public License | ||
11 | ** as defined by Trolltech AS of Norway and appearing in the file | ||
12 | ** LICENSE.QPL included in the packaging of this file. | ||
13 | ** | ||
14 | ** This file may be distributed and/or modified under the terms of the | ||
15 | ** GNU General Public License version 2 as published by the Free Software | ||
16 | ** Foundation and appearing in the file LICENSE.GPL included in the | ||
17 | ** packaging of this file. | ||
18 | ** | ||
19 | ** Licensees holding valid Qt Enterprise Edition or Qt Professional Edition | ||
20 | ** licenses may use this file in accordance with the Qt Commercial License | ||
21 | ** Agreement provided with the Software. | ||
22 | ** | ||
23 | ** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE | ||
24 | ** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. | ||
25 | ** | ||
26 | ** See http://www.trolltech.com/pricing.html or email sales@trolltech.com for | ||
27 | ** information about Qt Commercial License Agreements. | ||
28 | ** See http://www.trolltech.com/qpl/ for QPL licensing information. | ||
29 | ** See http://www.trolltech.com/gpl/ for GPL licensing information. | ||
30 | ** | ||
31 | ** Contact info@trolltech.com if any conditions of this licensing are | ||
32 | ** not clear to you. | ||
33 | ** | ||
34 | **********************************************************************/ | ||
35 | |||
36 | #ifndef QPAIR_H | ||
37 | #define QPAIR_H | ||
38 | |||
39 | #ifndef QT_H | ||
40 | #include "qglobal.h" | ||
41 | #include "qdatastream.h" | ||
42 | #endif // QT_H | ||
43 | |||
44 | template <class T1, class T2> | ||
45 | struct QPair | ||
46 | { | ||
47 | typedef T1 first_type; | ||
48 | typedef T2 second_type; | ||
49 | |||
50 | QPair() | ||
51 | : first( T1() ), second( T2() ) | ||
52 | {} | ||
53 | QPair( const T1& t1, const T2& t2 ) | ||
54 | : first( t1 ), second( t2 ) | ||
55 | {} | ||
56 | |||
57 | T1 first; | ||
58 | T2 second; | ||
59 | }; | ||
60 | |||
61 | template <class T1, class T2> | ||
62 | inline bool operator==( const QPair<T1, T2>& x, const QPair<T1, T2>& y ) | ||
63 | { | ||
64 | return x.first == y.first && x.second == y.second; | ||
65 | } | ||
66 | |||
67 | template <class T1, class T2> | ||
68 | inline bool operator<( const QPair<T1, T2>& x, const QPair<T1, T2>& y ) | ||
69 | { | ||
70 | return x.first < y.first || | ||
71 | ( !( y.first < x.first ) && x.second < y.second ); | ||
72 | } | ||
73 | |||
74 | template <class T1, class T2> | ||
75 | inline QPair<T1, T2> qMakePair( const T1& x, const T2& y ) | ||
76 | { | ||
77 | return QPair<T1, T2>( x, y ); | ||
78 | } | ||
79 | |||
80 | #ifndef QT_NO_DATASTREAM | ||
81 | template <class T1, class T2> | ||
82 | inline QDataStream& operator>>( QDataStream& s, QPair<T1, T2>& p ) | ||
83 | { | ||
84 | s >> p.first >> p.second; | ||
85 | return s; | ||
86 | } | ||
87 | |||
88 | template <class T1, class T2> | ||
89 | inline QDataStream& operator<<( QDataStream& s, const QPair<T1, T2>& p ) | ||
90 | { | ||
91 | s << p.first << p.second; | ||
92 | return s; | ||
93 | } | ||
94 | #endif | ||
95 | |||
96 | #endif | ||