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/* BEGIN_COMMON_COPYRIGHT_HEADER
* (c)LGPL2+
*
* LXQt - a lightweight, Qt based, desktop toolset
* https://lxqt.org
*
* Copyright: 2012 Razor team
* Authors:
* Kuzma Shapran <kuzma.shapran@gmail.com>
*
* This program or library is free software; you can redistribute it
* and/or modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
* You should have received a copy of the GNU Lesser General
* Public License along with this library; if not, write to the
* Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301 USA
*
* END_COMMON_COPYRIGHT_HEADER */
#include <QRegularExpression>
#include <qmath.h>
#include "lxqtsysstatutils.h"
namespace PluginSysStat
{
QString netSpeedToString(int value)
{
QString prefix;
static const char prefixes[] = "kMG";
if (value / 10)
prefix = QLatin1Char(prefixes[value / 10 - 1]);
return QStringLiteral("%1 %2B/s").arg(1 << (value % 10)).arg(prefix);
}
int netSpeedFromString(QStringView value)
{
static const QRegularExpression re(QStringLiteral("^(\\d+) ([kMG])B/s$"));
QRegularExpressionMatch match = re.matchView(value);
if (match.hasMatch())
{
int shift = 0;
switch (match.capturedView(2).at(0).toLatin1())
{
case 'k':
shift = 10;
break;
case 'M':
shift = 20;
break;
case 'G':
shift = 30;
break;
}
return qCeil(qLn(match.capturedView(1).toInt()) / qLn(2.)) + shift;
}
return 0;
}
}
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