File: numberformat.cpp

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actionaz 3.8.0-1
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/*
    Actionaz
    Copyright (C) 2008-2014 Jonathan Mercier-Ganady

    Actionaz is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.

    Actionaz is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with this program. If not, see <http://www.gnu.org/licenses/>.

    Contact : jmgr@jmgr.info
*/

#include "numberformat.h"

#include <QStringList>

namespace ActionTools
{
    QString NumberFormat::sizeString(quint64 size)
    {
        if(size < 1000)
            return QObject::tr("%n byte(s)", "", size);

        return numberFormat(QStringList() << QObject::tr("KB") << QObject::tr("MB") << QObject::tr("GB") << QObject::tr("TB"), static_cast<double>(size));
    }

    QString NumberFormat::numberFormat(const QStringList &units, double value)
    {
        Q_ASSERT(!units.isEmpty());

        QStringListIterator it(units);
        QString unit = units.first();

        while(value >= 1000.0 && it.hasNext())
        {
            unit = it.next();
            value /= 1000.0;
        }

        return QString().setNum(value, 'f', 2) + QLatin1String(" ") + unit;
    }
}