diff -r 000000000000 -r 1918ee327afb src/corelib/tools/qpair.h --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/corelib/tools/qpair.h Mon Jan 11 14:00:40 2010 +0000 @@ -0,0 +1,127 @@ +/**************************************************************************** +** +** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). +** All rights reserved. +** Contact: Nokia Corporation (qt-info@nokia.com) +** +** This file is part of the QtCore module of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** No Commercial Usage +** This file contains pre-release code and may not be distributed. +** You may use this file in accordance with the terms and conditions +** contained in the Technology Preview License Agreement accompanying +** this package. +** +** GNU Lesser General Public License Usage +** Alternatively, 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. +** +** If you have questions regarding the use of this file, please contact +** Nokia at qt-info@nokia.com. +** +** +** +** +** +** +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#ifndef QPAIR_H +#define QPAIR_H + +#include + +QT_BEGIN_HEADER + +QT_BEGIN_NAMESPACE + +QT_MODULE(Core) + +template +struct QPair +{ + typedef T1 first_type; + typedef T2 second_type; + + QPair() : first(T1()), second(T2()) {} + QPair(const T1 &t1, const T2 &t2) : first(t1), second(t2) {} + + QPair &operator=(const QPair &other) + { first = other.first; second = other.second; return *this; } + + T1 first; + T2 second; +}; + +template +Q_INLINE_TEMPLATE bool operator==(const QPair &p1, const QPair &p2) +{ return p1.first == p2.first && p1.second == p2.second; } + +template +Q_INLINE_TEMPLATE bool operator!=(const QPair &p1, const QPair &p2) +{ return !(p1 == p2); } + +template +Q_INLINE_TEMPLATE bool operator<(const QPair &p1, const QPair &p2) +{ + return p1.first < p2.first || (!(p2.first < p1.first) && p1.second < p2.second); +} + +template +Q_INLINE_TEMPLATE bool operator>(const QPair &p1, const QPair &p2) +{ + return p2 < p1; +} + +template +Q_INLINE_TEMPLATE bool operator<=(const QPair &p1, const QPair &p2) +{ + return !(p2 < p1); +} + +template +Q_INLINE_TEMPLATE bool operator>=(const QPair &p1, const QPair &p2) +{ + return !(p1 < p2); +} + +template +Q_OUTOFLINE_TEMPLATE QPair qMakePair(const T1 &x, const T2 &y) +{ + return QPair(x, y); +} + +#ifndef QT_NO_DATASTREAM +template +inline QDataStream& operator>>(QDataStream& s, QPair& p) +{ + s >> p.first >> p.second; + return s; +} + +template +inline QDataStream& operator<<(QDataStream& s, const QPair& p) +{ + s << p.first << p.second; + return s; +} +#endif + +QT_END_NAMESPACE + +QT_END_HEADER + +#endif // QPAIR_H