UBVersion.cpp 2.93 KB
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/*
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 * Copyright (C) 2015-2018 Département de l'Instruction Publique (DIP-SEM)
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 *
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 * Copyright (C) 2013 Open Education Foundation
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 *
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 * Copyright (C) 2010-2013 Groupement d'Intérêt Public pour
 * l'Education Numérique en Afrique (GIP ENA)
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 *
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 * This file is part of OpenBoard.
 *
 * OpenBoard is free software: you can redistribute it and/or modify
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 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, version 3 of the License,
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 * with a specific linking exception for the OpenSSL project's
 * "OpenSSL" library (or with modified versions of it that use the
 * same license as the "OpenSSL" library).
 *
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 * OpenBoard is distributed in the hope that it will be useful,
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 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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 * GNU General Public License for more details.
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 *
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 * You should have received a copy of the GNU General Public License
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 * along with OpenBoard. If not, see <http://www.gnu.org/licenses/>.
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 */

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#include "UBVersion.h"

#include <QtCore>
#include <QStringList>

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#include "core/memcheck.h"

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UBVersion::UBVersion(const QString &string)
{
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    mString = string;
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}

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uint UBVersion::toUInt() const
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{
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    /* Based on semantic versioning, version numbers look like:
     * Major.Minor.Patch-Type.Build
     *
     * To compare version numbers, the string is split into each part, and they are multiplied
     * to give a number where the first two digits are the Major version, the next two are the
     * Minor version, and so on.
     *
     * i.e if Major, Minor etc. are named A, B, C, D, E, the number will look like:
     * AABBCCDDEE
    */

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    uint result = 0;
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    QStringList list = mString.split(QRegExp("[-\\.]"));
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    switch (list.count()) {
    case 2:
        //short version  1.0
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        result = (list.at(0).toUInt() * 100000000) + (list.at(1).toUInt() * 1000000) + (Release * 100);
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        break;
    case 3:
        //release version 1.0.0
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        result = (list.at(0).toUInt() * 100000000) + (list.at(1).toUInt() * 1000000) + list.at(2).toUInt()*10000 + (Release * 100);
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        break;
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    case 5:{
        //standard version  1.0.0.a/b/rc.0
        uint releaseStage = list.at(3).startsWith("a") ? Alpha :(list.at(3).startsWith("b") ? Beta : ReleaseCandidate);
        result = (list.at(0).toUInt() * 100000000) + (list.at(1).toUInt() * 1000000) + (list.at(2).toUInt() * 10000) + (releaseStage * 100) + list.at(4).toUInt();
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        break;
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    }
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    default:
        qWarning() << "Unknown version format.";
        break;
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    }
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    return result;
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}

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UBVersion::~UBVersion()
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{
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    // NOOP
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}

bool UBVersion::operator < (const UBVersion &otherVersion) const
{
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    return toUInt() < otherVersion.toUInt();
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}

bool UBVersion::operator == (const UBVersion &otherVersion) const
{
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    return toUInt() == otherVersion.toUInt();
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}

bool UBVersion::operator > (const UBVersion &otherVersion) const
{
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    return toUInt() > otherVersion.toUInt();
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}