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q3valuevector.h

/****************************************************************************
**
** Copyright (C) 1992-2007 Trolltech ASA. All rights reserved.
**
** This file is part of the Qt3Support module of the Qt Toolkit.
**
** This file may be used under the terms of the GNU General Public
** License version 2.0 as published by the Free Software Foundation
** and appearing in the file LICENSE.GPL included in the packaging of
** this file.  Please review the following information to ensure GNU
** General Public Licensing requirements will be met:
** http://www.trolltech.com/products/qt/opensource.html
**
** If you are unsure which license is appropriate for your use, please
** review the following information:
** http://www.trolltech.com/products/qt/licensing.html or contact the
** sales department at sales@trolltech.com.
**
** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
**
****************************************************************************/

#ifndef Q3VALUEVECTOR_H
#define Q3VALUEVECTOR_H

#include <QtCore/qvector.h>

#ifndef QT_NO_STL
#include <vector>
#endif

QT_BEGIN_HEADER

QT_MODULE(Qt3SupportLight)

template <typename T>
class Q3ValueVector : public QVector<T>
{
public:
    inline Q3ValueVector() : QVector<T>() {}
    inline Q3ValueVector(const Q3ValueVector<T>& v) : QVector<T>(v) {}
    inline Q3ValueVector(typename QVector<T>::size_type n,
                         const T& val = T()) : QVector<T>(n, val) {}

#ifndef QT_NO_STL
    inline Q3ValueVector(const std::vector<T>& v) : QVector<T>()
        { this->resize(v.size()); qCopy(v.begin(), v.end(), this->begin()); }
#endif

    Q3ValueVector<T>& operator= (const Q3ValueVector<T>& v)
        { QVector<T>::operator=(v); return *this; }

#ifndef QT_NO_STL
    Q3ValueVector<T>& operator= (const std::vector<T>& v)
    {
        this->clear();
        this->resize(v.size());
        qCopy(v.begin(), v.end(), this->begin());
        return *this;
    }
#endif

    void resize(int n, const T& val = T())
    {
        if (n < this->size())
            erase(this->begin() + n, this->end());
        else
            insert(this->end(), n - this->size(), val);
    }


    T& at(int i, bool* ok = 0)
    {
        this->detach();
        if (ok)
            *ok = (i >= 0 && i < this->size());
        return *(this->begin() + i);
    }

    const T&at(int i, bool* ok = 0) const
    {
        if (ok)
            *ok = (i >= 0 && i < this->size());
        return *(this->begin() + i);
    }
};

QT_END_HEADER

#endif // Q3VALUEVECTOR_H

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