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80 lines
2.8 KiB
C++
80 lines
2.8 KiB
C++
/*
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* version.cpp - program version functions
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* This file is part of kalarmcal library, which provides access to KAlarm
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* calendar data.
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* Copyright © 2002-2007,2011,2013 by David Jarvie <djarvie@kde.org>
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*
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* This library is free software; you can redistribute it and/or modify
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* it under the terms of the GNU Library General Public License as published
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* by the Free Software Foundation; either version 2 of the License, or (at
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* your option) any later version.
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*
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* This library is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public
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* License for more details.
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*
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* You should have received a copy of the GNU Library General Public License
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* along with this library; see the file COPYING.LIB. If not, write to the
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* Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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* MA 02110-1301, USA.
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*/
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#include "version.h"
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namespace KAlarmCal
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{
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int Version(int major, int minor, int rev)
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{
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return major*10000 + minor*100 + rev;
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}
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/******************************************************************************
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* Convert the supplied KAlarm version string to a version number.
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* Reply = version number (double digit for each of major, minor & issue number,
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* e.g. 010203 for 1.2.3
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* = 0 if invalid version string.
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*/
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int getVersionNumber(const QString& version, QString* subVersion)
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{
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// N.B. Remember to change Version(int major, int minor, int rev)
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// if the representation returned by this method changes.
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if (subVersion)
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subVersion->clear();
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const int count = version.count(QLatin1Char('.')) + 1;
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if (count < 2)
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return 0;
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bool ok;
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unsigned vernum = version.section(QLatin1Char('.'), 0, 0).toUInt(&ok) * 10000; // major version
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if (!ok)
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return 0;
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unsigned v = version.section(QLatin1Char('.'), 1, 1).toUInt(&ok); // minor version
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if (!ok)
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return 0;
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vernum += (v < 99 ? v : 99) * 100;
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if (count >= 3)
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{
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// Issue number: allow other characters to follow the last digit
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const QString issue = version.section(QLatin1Char('.'), 2);
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const int n = issue.length();
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if (!n || !issue[0].isDigit())
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return 0;
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int i;
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for (i = 0; i < n && issue[i].isDigit(); ++i) ;
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if (subVersion)
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*subVersion = issue.mid(i);
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v = issue.left(i).toUInt(); // issue number
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vernum += (v < 99 ? v : 99);
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}
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return vernum;
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}
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QString getVersionString(int version)
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{
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return QString::fromLatin1("%1.%2.%3").arg(version/10000).arg((version%10000)/100).arg(version%100);
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}
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} // namespace KAlarmCal
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// vim: et sw=4:
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