1 files changed, 115 insertions, 0 deletions
diff --git a/meshmc/launcher/Version.h b/meshmc/launcher/Version.h
new file mode 100644
index 0000000000..a903c2a424
--- /dev/null
+++ b/meshmc/launcher/Version.h
@@ -0,0 +1,115 @@
+/* SPDX-FileCopyrightText: 2026 Project Tick
+ * SPDX-FileContributor: Project Tick
+ * SPDX-License-Identifier: GPL-3.0-or-later
+ *
+ *   MeshMC - A Custom Launcher for Minecraft
+ *   Copyright (C) 2026 Project Tick
+ *
+ *   This program 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.
+ *
+ *   This program 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 <https://www.gnu.org/licenses/>.
+ */
+
+#pragma once
+
+#include <QString>
+#include <QList>
+
+class QUrl;
+
+class Version
+{
+  public:
+	Version(const QString& str);
+	Version() {}
+
+	bool operator<(const Version& other) const;
+	bool operator<=(const Version& other) const;
+	bool operator>(const Version& other) const;
+	bool operator>=(const Version& other) const;
+	bool operator==(const Version& other) const;
+	bool operator!=(const Version& other) const;
+
+	QString toString() const
+	{
+		return m_string;
+	}
+
+  private:
+	QString m_string;
+	struct Section {
+		explicit Section(const QString& fullString)
+		{
+			m_fullString = fullString;
+			int cutoff = m_fullString.size();
+			for (int i = 0; i < m_fullString.size(); i++) {
+				if (!m_fullString[i].isDigit()) {
+					cutoff = i;
+					break;
+				}
+			}
+			auto numPart = QStringView{m_fullString}.left(cutoff);
+			if (numPart.size()) {
+				numValid = true;
+				m_numPart = numPart.toInt();
+			}
+			auto stringPart = QStringView{m_fullString}.mid(cutoff);
+			if (stringPart.size()) {
+				m_stringPart = stringPart.toString();
+			}
+		}
+		explicit Section() {}
+		bool numValid = false;
+		int m_numPart = 0;
+		QString m_stringPart;
+		QString m_fullString;
+
+		inline bool operator!=(const Section& other) const
+		{
+			if (numValid && other.numValid) {
+				return m_numPart != other.m_numPart ||
+					   m_stringPart != other.m_stringPart;
+			} else {
+				return m_fullString != other.m_fullString;
+			}
+		}
+		inline bool operator<(const Section& other) const
+		{
+			if (numValid && other.numValid) {
+				if (m_numPart < other.m_numPart)
+					return true;
+				if (m_numPart == other.m_numPart &&
+					m_stringPart < other.m_stringPart)
+					return true;
+				return false;
+			} else {
+				return m_fullString < other.m_fullString;
+			}
+		}
+		inline bool operator>(const Section& other) const
+		{
+			if (numValid && other.numValid) {
+				if (m_numPart > other.m_numPart)
+					return true;
+				if (m_numPart == other.m_numPart &&
+					m_stringPart > other.m_stringPart)
+					return true;
+				return false;
+			} else {
+				return m_fullString > other.m_fullString;
+			}
+		}
+	};
+	QList<Section> m_sections;
+
+	void parse();
+};