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40 | ****************************************************************************/ |
41 | |
42 | #ifndef QPAIR_H |
43 | #define QPAIR_H |
44 | |
45 | #include <QtCore/qdatastream.h> |
46 | |
47 | QT_BEGIN_HEADER |
48 | |
49 | QT_BEGIN_NAMESPACE |
50 | |
51 | QT_MODULE(Core) |
52 | |
53 | template <class T1, class T2> |
54 | struct QPair |
55 | { |
56 | typedef T1 first_type; |
57 | typedef T2 second_type; |
58 | |
59 | QPair() : first(T1()), second(T2()) {} |
60 | QPair(const T1 &t1, const T2 &t2) : first(t1), second(t2) {} |
61 | |
62 | QPair<T1, T2> &operator=(const QPair<T1, T2> &other) |
63 | { first = other.first; second = other.second; return *this; } |
64 | |
65 | T1 first; |
66 | T2 second; |
67 | }; |
68 | |
69 | template <class T1, class T2> |
70 | Q_INLINE_TEMPLATE bool operator==(const QPair<T1, T2> &p1, const QPair<T1, T2> &p2) |
71 | { return p1.first == p2.first && p1.second == p2.second; } |
72 | |
73 | template <class T1, class T2> |
74 | Q_INLINE_TEMPLATE bool operator!=(const QPair<T1, T2> &p1, const QPair<T1, T2> &p2) |
75 | { return !(p1 == p2); } |
76 | |
77 | template <class T1, class T2> |
78 | Q_INLINE_TEMPLATE bool operator<(const QPair<T1, T2> &p1, const QPair<T1, T2> &p2) |
79 | { |
80 | return p1.first < p2.first || (!(p2.first < p1.first) && p1.second < p2.second); |
81 | } |
82 | |
83 | template <class T1, class T2> |
84 | Q_INLINE_TEMPLATE bool operator>(const QPair<T1, T2> &p1, const QPair<T1, T2> &p2) |
85 | { |
86 | return p2 < p1; |
87 | } |
88 | |
89 | template <class T1, class T2> |
90 | Q_INLINE_TEMPLATE bool operator<=(const QPair<T1, T2> &p1, const QPair<T1, T2> &p2) |
91 | { |
92 | return !(p2 < p1); |
93 | } |
94 | |
95 | template <class T1, class T2> |
96 | Q_INLINE_TEMPLATE bool operator>=(const QPair<T1, T2> &p1, const QPair<T1, T2> &p2) |
97 | { |
98 | return !(p1 < p2); |
99 | } |
100 | |
101 | template <class T1, class T2> |
102 | Q_OUTOFLINE_TEMPLATE QPair<T1, T2> qMakePair(const T1 &x, const T2 &y) |
103 | { |
104 | return QPair<T1, T2>(x, y); |
105 | } |
106 | |
107 | #ifndef QT_NO_DATASTREAM |
108 | template <class T1, class T2> |
109 | inline QDataStream& operator>>(QDataStream& s, QPair<T1, T2>& p) |
110 | { |
111 | s >> p.first >> p.second; |
112 | return s; |
113 | } |
114 | |
115 | template <class T1, class T2> |
116 | inline QDataStream& operator<<(QDataStream& s, const QPair<T1, T2>& p) |
117 | { |
118 | s << p.first << p.second; |
119 | return s; |
120 | } |
121 | #endif |
122 | |
123 | QT_END_NAMESPACE |
124 | |
125 | QT_END_HEADER |
126 | |
127 | #endif // QPAIR_H |
128 | |