1 files changed, 86 insertions, 0 deletions
diff --git a/archived/projt-launcher/launcher/meta/JsonFormat.hpp b/archived/projt-launcher/launcher/meta/JsonFormat.hpp
new file mode 100644
index 0000000000..18a6dd3775
--- /dev/null
+++ b/archived/projt-launcher/launcher/meta/JsonFormat.hpp
@@ -0,0 +1,86 @@
+// 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.
+ */
+
+#pragma once
+
+#include <QJsonObject>
+#include <QJsonArray>
+#include <QString>
+#include <set>
+
+#include "Exception.h"
+
+namespace projt::meta
+{
+
+	class MetaIndex;
+	class MetaVersion;
+	class MetaVersionList;
+
+	enum class SchemaVersion
+	{
+		Unknown = -1,
+		V1		= 1
+	};
+
+	class MetaParseError : public Exception
+	{
+	  public:
+		using Exception::Exception;
+	};
+
+	struct ComponentDependency
+	{
+		QString uid;
+		QString equalsVersion;
+		QString suggests;
+
+		bool operator==(const ComponentDependency& other) const
+		{
+			return uid == other.uid;
+		}
+		bool operator<(const ComponentDependency& other) const
+		{
+			return uid < other.uid;
+		}
+
+		bool deepEquals(const ComponentDependency& other) const
+		{
+			return uid == other.uid && equalsVersion == other.equalsVersion && suggests == other.suggests;
+		}
+	};
+
+	using DependencySet = std::set<ComponentDependency>;
+
+	SchemaVersion detectSchemaVersion(const QJsonObject& root, bool required = true);
+	void writeSchemaVersion(QJsonObject& target, SchemaVersion version);
+	SchemaVersion currentSchema();
+
+	DependencySet parseDependencies(const QJsonObject& source, const QString& fieldName = "requires");
+	void writeDependencies(QJsonObject& target, const DependencySet& deps, const QString& fieldName = "requires");
+
+	void loadIndexFromJson(const QJsonObject& json, MetaIndex* index);
+	void loadVersionFromJson(const QJsonObject& json, MetaVersion* version);
+	void loadVersionListFromJson(const QJsonObject& json, MetaVersionList* list);
+
+} // namespace projt::meta
+
+Q_DECLARE_METATYPE(std::set<projt::meta::ComponentDependency>)