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128 lines
3.8 KiB
128 lines
3.8 KiB
/****************************************************************************
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**
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** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
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** All rights reserved.
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** Contact: Nokia Corporation (qt-info@nokia.com)
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**
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** This file is part of the QtCore module of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:LGPL$
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** Commercial Usage
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** Licensees holding valid Qt Commercial licenses may use this file in
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** accordance with the Qt Commercial License Agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and Nokia.
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**
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** GNU Lesser General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU Lesser
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** General Public License version 2.1 as published by the Free Software
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** Foundation and appearing in the file LICENSE.LGPL included in the
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** packaging of this file. Please review the following information to
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** ensure the GNU Lesser General Public License version 2.1 requirements
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** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** In addition, as a special exception, Nokia gives you certain additional
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** rights. These rights are described in the Nokia Qt LGPL Exception
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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**
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** GNU General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU
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** General Public License version 3.0 as published by the Free Software
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** Foundation and appearing in the file LICENSE.GPL included in the
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** packaging of this file. Please review the following information to
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** ensure the GNU General Public License version 3.0 requirements will be
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** met: http://www.gnu.org/copyleft/gpl.html.
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**
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** If you have questions regarding the use of this file, please contact
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** Nokia at qt-info@nokia.com.
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#ifndef QPAIR_H
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#define QPAIR_H
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#include <QtCore/qdatastream.h>
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QT_BEGIN_HEADER
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QT_BEGIN_NAMESPACE
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QT_MODULE(Core)
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template <class T1, class T2>
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struct QPair
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{
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typedef T1 first_type;
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typedef T2 second_type;
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QPair() : first(T1()), second(T2()) {}
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QPair(const T1 &t1, const T2 &t2) : first(t1), second(t2) {}
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QPair<T1, T2> &operator=(const QPair<T1, T2> &other)
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{ first = other.first; second = other.second; return *this; }
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T1 first;
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T2 second;
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};
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template <class T1, class T2>
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Q_INLINE_TEMPLATE bool operator==(const QPair<T1, T2> &p1, const QPair<T1, T2> &p2)
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{ return p1.first == p2.first && p1.second == p2.second; }
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template <class T1, class T2>
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Q_INLINE_TEMPLATE bool operator!=(const QPair<T1, T2> &p1, const QPair<T1, T2> &p2)
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{ return !(p1 == p2); }
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template <class T1, class T2>
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Q_INLINE_TEMPLATE bool operator<(const QPair<T1, T2> &p1, const QPair<T1, T2> &p2)
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{
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return p1.first < p2.first || (!(p2.first < p1.first) && p1.second < p2.second);
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}
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template <class T1, class T2>
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Q_INLINE_TEMPLATE bool operator>(const QPair<T1, T2> &p1, const QPair<T1, T2> &p2)
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{
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return p2 < p1;
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}
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template <class T1, class T2>
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Q_INLINE_TEMPLATE bool operator<=(const QPair<T1, T2> &p1, const QPair<T1, T2> &p2)
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{
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return !(p2 < p1);
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}
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template <class T1, class T2>
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Q_INLINE_TEMPLATE bool operator>=(const QPair<T1, T2> &p1, const QPair<T1, T2> &p2)
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{
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return !(p1 < p2);
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}
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template <class T1, class T2>
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Q_OUTOFLINE_TEMPLATE QPair<T1, T2> qMakePair(const T1 &x, const T2 &y)
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{
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return QPair<T1, T2>(x, y);
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}
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#ifndef QT_NO_DATASTREAM
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template <class T1, class T2>
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inline QDataStream& operator>>(QDataStream& s, QPair<T1, T2>& p)
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{
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s >> p.first >> p.second;
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return s;
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}
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template <class T1, class T2>
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inline QDataStream& operator<<(QDataStream& s, const QPair<T1, T2>& p)
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{
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s << p.first << p.second;
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return s;
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}
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#endif
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QT_END_NAMESPACE
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QT_END_HEADER
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#endif // QPAIR_H
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