1 files changed, 303 insertions, 0 deletions
diff --git a/archived/projt-launcher/launcher/settings/INIFile.cpp b/archived/projt-launcher/launcher/settings/INIFile.cpp
new file mode 100644
index 0000000000..31ce19f4ca
--- /dev/null
+++ b/archived/projt-launcher/launcher/settings/INIFile.cpp
@@ -0,0 +1,303 @@
+// 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) 2023 flowln <flowlnlnln@gmail.com>
+ *
+ *  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 "settings/INIFile.h"
+#include <FileSystem.h>
+
+#include <QDebug>
+#include <QFile>
+#include <QStringList>
+#include <QTemporaryFile>
+#include <QTextStream>
+
+#include <QSettings>
+#include "Json.h"
+
+INIFile::INIFile()
+{}
+
+bool INIFile::saveFile(QString fileName)
+{
+	if (!contains("ConfigVersion"))
+		insert("ConfigVersion", "1.3");
+	QSettings _settings_obj{ fileName, QSettings::Format::IniFormat };
+	_settings_obj.setFallbacksEnabled(false);
+	_settings_obj.clear();
+
+	for (Iterator iter = begin(); iter != end(); iter++)
+		_settings_obj.setValue(iter.key(), iter.value());
+
+	_settings_obj.sync();
+
+	if (auto status = _settings_obj.status(); status != QSettings::Status::NoError)
+	{
+		// Shouldn't be possible!
+		Q_ASSERT(status != QSettings::Status::FormatError);
+
+		if (status == QSettings::Status::AccessError)
+			qCritical() << "An access error occurred (e.g. trying to write to a read-only file).";
+
+		return false;
+	}
+
+	return true;
+}
+
+QString unescape(QString orig)
+{
+	QString out;
+	QChar prev = QChar::Null;
+	for (auto c : orig)
+	{
+		if (prev == '\\')
+		{
+			if (c == 'n')
+				out += '\n';
+			else if (c == 't')
+				out += '\t';
+			else if (c == '#')
+				out += '#';
+			else
+				out += c;
+			prev = QChar::Null;
+		}
+		else
+		{
+			if (c == '\\')
+			{
+				prev = c;
+				continue;
+			}
+			out += c;
+			prev = QChar::Null;
+		}
+	}
+	return out;
+}
+
+QString unquote(QString str)
+{
+	if ((str.contains(QChar(';')) || str.contains(QChar('=')) || str.contains(QChar(','))) && str.endsWith("\"")
+		&& str.startsWith("\""))
+	{
+#if QT_VERSION < QT_VERSION_CHECK(6, 5, 0)
+		str = str.remove(0, 1);
+		str = str.remove(str.size() - 1, 1);
+#else
+		str = str.removeFirst().removeLast();
+#endif
+	}
+	return str;
+}
+
+bool parseOldFileFormat(QIODevice& device, QSettings::SettingsMap& map)
+{
+	QTextStream in(device.readAll());
+#if QT_VERSION <= QT_VERSION_CHECK(6, 0, 0)
+	in.setCodec("UTF-8");
+#endif
+
+	QStringList lines = in.readAll().split('\n');
+	for (int i = 0; i < lines.count(); i++)
+	{
+		QString& lineRaw = lines[i];
+		// Ignore comments.
+		int commentIndex = 0;
+		QString line	 = lineRaw;
+		// Search for comments until no more escaped # are available
+		while ((commentIndex = line.indexOf('#', commentIndex + 1)) != -1)
+		{
+			if (commentIndex > 0 && line.at(commentIndex - 1) == '\\')
+			{
+				continue;
+			}
+			line = line.left(lineRaw.indexOf('#')).trimmed();
+		}
+
+		int eqPos = line.indexOf('=');
+		if (eqPos == -1)
+			continue;
+		QString key		 = line.left(eqPos).trimmed();
+		QString valueStr = line.right(line.length() - eqPos - 1).trimmed();
+
+		valueStr = unquote(unescape(valueStr));
+
+		QVariant value(valueStr);
+		map.insert(key, value);
+	}
+
+	return true;
+}
+
+QVariant migrateQByteArrayToBase64(QString key, QVariant value)
+{
+	static const QStringList otherByteArrays = { "MainWindowState",		  "MainWindowGeometry", "ConsoleWindowState",
+												 "ConsoleWindowGeometry", "PagedGeometry",		"NewInstanceGeometry",
+												 "ModDownloadGeometry",	  "RPDownloadGeometry", "TPDownloadGeometry",
+												 "ShaderDownloadGeometry" };
+	if (key.startsWith("WideBarVisibility_") || (key.startsWith("UI/") && key.endsWith("_Page/Columns")))
+	{
+		return QString::fromUtf8(value.toByteArray().toBase64());
+	}
+	if (otherByteArrays.contains(key))
+	{
+		return QString::fromUtf8(value.toByteArray());
+	}
+	if (key == "linkedInstances")
+	{
+		return Json::fromStringList(value.toStringList());
+	}
+	if (key == "Env")
+	{
+		return Json::fromMap(value.toMap());
+	}
+	return value;
+}
+
+bool INIFile::loadFile(QString fileName)
+{
+	QSettings _settings_obj{ fileName, QSettings::Format::IniFormat };
+	_settings_obj.setFallbacksEnabled(false);
+
+	if (auto status = _settings_obj.status(); status != QSettings::Status::NoError)
+	{
+		if (status == QSettings::Status::AccessError)
+			qCritical() << "An access error occurred (e.g. trying to write to a read-only file).";
+		if (status == QSettings::Status::FormatError)
+			qCritical() << "A format error occurred (e.g. loading a malformed INI file).";
+		return false;
+	}
+	if (!_settings_obj.value("ConfigVersion").isValid())
+	{
+		QFile file(fileName);
+		if (!file.open(QIODevice::ReadOnly))
+			return false;
+		QSettings::SettingsMap map;
+		parseOldFileFormat(file, map);
+		file.close();
+		for (auto&& key : map.keys())
+		{
+			auto value = migrateQByteArrayToBase64(key, map.value(key));
+			insert(key, value);
+		}
+		insert("ConfigVersion", "1.3");
+	}
+	else if (_settings_obj.value("ConfigVersion").toString() == "1.1")
+	{
+		for (auto&& key : _settings_obj.allKeys())
+		{
+			auto value = migrateQByteArrayToBase64(key, _settings_obj.value(key));
+			if (auto valueStr = value.toString();
+				(valueStr.contains(QChar(';')) || valueStr.contains(QChar('=')) || valueStr.contains(QChar(',')))
+				&& valueStr.endsWith("\"") && valueStr.startsWith("\""))
+			{
+				insert(key, unquote(valueStr));
+			}
+			else
+			{
+				insert(key, value);
+			}
+		}
+		insert("ConfigVersion", "1.3");
+	}
+	else if (_settings_obj.value("ConfigVersion").toString() == "1.2")
+	{
+		for (auto&& key : _settings_obj.allKeys())
+		{
+			auto value = migrateQByteArrayToBase64(key, _settings_obj.value(key));
+			insert(key, value);
+		}
+		insert("ConfigVersion", "1.3");
+	}
+	else
+	{
+		for (auto&& key : _settings_obj.allKeys())
+		{
+			insert(key, _settings_obj.value(key));
+		}
+	}
+	return true;
+}
+
+bool INIFile::loadFile(QByteArray data)
+{
+	QTemporaryFile file;
+	if (!file.open())
+		return false;
+	file.write(data);
+	file.flush();
+	file.close();
+	auto loaded = loadFile(file.fileName());
+	file.remove();
+	return loaded;
+}
+
+QVariant INIFile::get(QString key, QVariant def) const
+{
+	if (!this->contains(key))
+		return def;
+	else
+		return this->operator[](key);
+}
+
+void INIFile::set(QString key, QVariant val)
+{
+	this->operator[](key) = val;
+}