161 lines
4.8 KiB
C++
161 lines
4.8 KiB
C++
// SPDX-License-Identifier: GPL-3.0-only
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/*
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* PolyMC - Minecraft Launcher
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* Copyright (C) 2022 Sefa Eyeoglu <contact@scrumplex.net>
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*
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* This program 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
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* the Free Software Foundation, version 3.
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*
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* This program 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 this program. If not, see <https://www.gnu.org/licenses/>.
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*
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* This file incorporates work covered by the following copyright and
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* permission notice:
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*
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* Copyright 2013-2021 MultiMC Contributors
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#pragma once
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#include <QDebug>
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#include <QList>
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#include <QString>
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#include <QStringView>
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class QUrl;
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class Version {
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public:
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Version(QString str);
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Version() = default;
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bool operator<(const Version &other) const;
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bool operator<=(const Version &other) const;
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bool operator>(const Version &other) const;
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bool operator>=(const Version &other) const;
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bool operator==(const Version &other) const;
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bool operator!=(const Version &other) const;
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QString toString() const { return m_string; }
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friend QDebug operator<<(QDebug debug, const Version& v);
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private:
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struct Section {
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explicit Section(QString fullString) : m_isNull(true), m_fullString(std::move(fullString))
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{
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int cutoff = m_fullString.size();
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for (int i = 0; i < m_fullString.size(); i++) {
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if (!m_fullString[i].isDigit()) {
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cutoff = i;
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break;
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}
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}
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#if QT_VERSION >= QT_VERSION_CHECK(6, 0, 0)
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auto numPart = QStringView{m_fullString}.left(cutoff);
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#else
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auto numPart = m_fullString.leftRef(cutoff);
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#endif
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if (!numPart.isEmpty()) {
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m_isNull = false;
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m_numPart = numPart.toInt();
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}
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#if QT_VERSION >= QT_VERSION_CHECK(6, 0, 0)
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auto stringPart = QStringView{m_fullString}.mid(cutoff);
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#else
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auto stringPart = m_fullString.midRef(cutoff);
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#endif
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if (!stringPart.isEmpty()) {
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m_isNull = false;
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m_stringPart = stringPart.toString();
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}
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}
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explicit Section() = default;
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bool m_isNull = false;
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int m_numPart = 0;
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QString m_stringPart;
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QString m_fullString;
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inline bool operator==(const Section& other) const
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{
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if (m_isNull && !other.m_isNull)
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return other.m_numPart == 0;
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if (!m_isNull && other.m_isNull)
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return m_numPart == 0;
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if (m_isNull || other.m_isNull)
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return (m_stringPart == ".") || (other.m_stringPart == ".");
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if (!m_isNull && !other.m_isNull)
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return (m_numPart == other.m_numPart) && (m_stringPart == other.m_stringPart);
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return m_fullString == other.m_fullString;
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}
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inline bool operator<(const Section &other) const
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{
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if (m_isNull && !other.m_isNull)
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return other.m_numPart > 0;
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if (!m_isNull && other.m_isNull)
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return m_numPart < 0;
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if (m_isNull || other.m_isNull)
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return true;
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if (!m_isNull && !other.m_isNull) {
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if(m_numPart < other.m_numPart)
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return true;
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if(m_numPart == other.m_numPart && m_stringPart < other.m_stringPart)
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return true;
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return false;
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}
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return m_fullString < other.m_fullString;
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}
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inline bool operator!=(const Section& other) const
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{
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return !(*this == other);
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}
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inline bool operator>(const Section &other) const
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{
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return !(*this < other || *this == other);
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}
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};
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private:
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QString m_string;
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QList<Section> m_sections;
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void parse();
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};
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