1 files changed, 119 insertions, 0 deletions
diff --git a/archived/projt-launcher/launcher/minecraft/Rule.cpp b/archived/projt-launcher/launcher/minecraft/Rule.cpp
new file mode 100644
index 0000000000..1a21a04b9b
--- /dev/null
+++ b/archived/projt-launcher/launcher/minecraft/Rule.cpp
@@ -0,0 +1,119 @@
+// SPDX-License-Identifier: GPL-3.0-only
+// SPDX-FileCopyrightText: 2026 Project Tick
+// SPDX-FileContributor: Project Tick Team
+/*
+ *  ProjT Launcher - Minecraft Launcher
+ *  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, version 3.
+ *
+ *  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, write to the Free Software Foundation,
+ *  Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ * === Upstream License Block (Do Not Modify) ==============================
+ *
+ *
+ *
+ *  Prism Launcher - Minecraft Launcher
+ *  Copyright (C) 2022 Sefa Eyeoglu <contact@scrumplex.net>
+ *  Copyright (C) 2025 TheKodeToad <TheKodeToad@proton.me>
+ *
+ *  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, version 3.
+ *
+ *  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, write to the Free Software Foundation,
+ *  Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ * This file incorporates work covered by the following copyright and
+ * permission notice:
+ *
+ *      Copyright 2013-2021 MultiMC Contributors
+ *
+ *      Licensed under the Apache License, Version 2.0 (the "License");
+ *      you may not use this file except in compliance with the License.
+ *      You may obtain a copy of the License at
+ *
+ *          http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *      Unless required by applicable law or agreed to in writing, software
+ *      distributed under the License is distributed on an "AS IS" BASIS,
+ *      WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *      See the License for the specific language governing permissions and
+ *      limitations under the License.
+ *
+ * ======================================================================== */
+
+#include <QJsonArray>
+#include <QJsonObject>
+
+#include "Rule.h"
+
+Rule Rule::fromJson(const QJsonObject& object)
+{
+	Rule result;
+
+	if (object["action"] == "allow")
+		result.m_action = Allow;
+	else if (object["action"] == "disallow")
+		result.m_action = Disallow;
+
+	if (auto os = object["os"]; os.isObject())
+	{
+		if (auto name = os["name"].toString(); !name.isNull())
+		{
+			result.m_os = OS{
+				name,
+				os["version"].toString(),
+			};
+		}
+	}
+
+	return result;
+}
+
+QJsonObject Rule::toJson()
+{
+	QJsonObject result;
+
+	if (m_action == Allow)
+		result["action"] = "allow";
+	else if (m_action == Disallow)
+		result["action"] = "disallow";
+
+	if (m_os.has_value())
+	{
+		QJsonObject os;
+
+		os["name"] = m_os->name;
+
+		if (!m_os->version.isEmpty())
+			os["version"] = m_os->version;
+
+		result["os"] = os;
+	}
+
+	return result;
+}
+
+Rule::Action Rule::apply(const RuntimeContext& runtimeContext)
+{
+	if (m_os.has_value() && !runtimeContext.classifierMatches(m_os->name))
+		return Defer;
+
+	return m_action;
+}