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Diffstat (limited to 'meshmc/launcher/settings/INIFile.cpp')
| -rw-r--r-- | meshmc/launcher/settings/INIFile.cpp | 172 |
1 files changed, 172 insertions, 0 deletions
diff --git a/meshmc/launcher/settings/INIFile.cpp b/meshmc/launcher/settings/INIFile.cpp new file mode 100644 index 0000000000..08a9538fea --- /dev/null +++ b/meshmc/launcher/settings/INIFile.cpp @@ -0,0 +1,172 @@ +/* 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/>. + * + * 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 <QFile> +#include <QTextStream> +#include <QStringList> +#include <QSaveFile> +#include <QDebug> + +INIFile::INIFile() {} + +QString INIFile::unescape(QString orig) +{ + QString out; + QChar prev = QChar(); + for (auto c : orig) { + if (prev == QLatin1Char('\\')) { + if (c == 'n') + out += '\n'; + else if (c == 't') + out += '\t'; + else if (c == '#') + out += '#'; + else + out += c; + prev = QChar(); + } else { + if (c == '\\') { + prev = c; + continue; + } + out += c; + prev = QChar(); + } + } + return out; +} + +QString INIFile::escape(QString orig) +{ + QString out; + for (auto c : orig) { + if (c == '\n') + out += "\\n"; + else if (c == '\t') + out += "\\t"; + else if (c == '\\') + out += "\\\\"; + else if (c == '#') + out += "\\#"; + else + out += c; + } + return out; +} + +bool INIFile::saveFile(QString fileName) +{ + QByteArray outArray; + for (Iterator iter = begin(); iter != end(); iter++) { + QString value = iter.value().toString(); + value = escape(value); + outArray.append(iter.key().toUtf8()); + outArray.append('='); + outArray.append(value.toUtf8()); + outArray.append('\n'); + } + + try { + FS::write(fileName, outArray); + } catch (const Exception& e) { + qCritical() << e.what(); + return false; + } + + return true; +} + +bool INIFile::loadFile(QString fileName) +{ + QFile file(fileName); + if (!file.open(QIODevice::ReadOnly)) + return false; + bool success = loadFile(file.readAll()); + file.close(); + return success; +} + +bool INIFile::loadFile(QByteArray file) +{ + QTextStream in(file); + // Qt6 uses UTF-8 by default + + 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 = unescape(valueStr); + + QVariant value(valueStr); + this->operator[](key) = value; + } + + return true; +} + +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; +} |