Add 'meshmc/' from commit 'fad6a1066616b69d7f5fef01178efdf014c59537'

git-subtree-dir: meshmc
git-subtree-mainline: 934382c8a1ce738589dee9ee0f14e1cec812770e
git-subtree-split: fad6a1066616b69d7f5fef01178efdf014c59537

1 files changed, 167 insertions, 0 deletions

diff --git a/meshmc/launcher/FileSystem.h b/meshmc/launcher/FileSystem.h
new file mode 100644
index 0000000000..204da3e2d2
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+++ b/meshmc/launcher/FileSystem.h
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+/* 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.
+ */
+
+#pragma once
+
+#include "Exception.h"
+#include "pathmatcher/IPathMatcher.h"
+
+#include <QDir>
+#include <QFlags>
+
+namespace FS
+{
+
+	class FileSystemException : public ::Exception
+	{
+	  public:
+		FileSystemException(const QString& message) : Exception(message) {}
+	};
+
+	/**
+	 * write data to a file safely
+	 */
+	void write(const QString& filename, const QByteArray& data);
+
+	/**
+	 * read data from a file safely\
+	 */
+	QByteArray read(const QString& filename);
+
+	/**
+	 * Update the last changed timestamp of an existing file
+	 */
+	bool updateTimestamp(const QString& filename);
+
+	/**
+	 * Creates all the folders in a path for the specified path
+	 * last segment of the path is treated as a file name and is ignored!
+	 */
+	bool ensureFilePathExists(QString filenamepath);
+
+	/**
+	 * Creates all the folders in a path for the specified path
+	 * last segment of the path is treated as a folder name and is created!
+	 */
+	bool ensureFolderPathExists(QString filenamepath);
+
+	class copy
+	{
+	  public:
+		copy(const QString& src, const QString& dst)
+		{
+			m_src = src;
+			m_dst = dst;
+		}
+		copy& followSymlinks(const bool follow)
+		{
+			m_followSymlinks = follow;
+			return *this;
+		}
+		copy& blacklist(const IPathMatcher* filter)
+		{
+			m_blacklist = filter;
+			return *this;
+		}
+		bool operator()()
+		{
+			return operator()(QString());
+		}
+
+	  private:
+		bool operator()(const QString& offset);
+
+	  private:
+		bool m_followSymlinks = true;
+		const IPathMatcher* m_blacklist = nullptr;
+		QDir m_src;
+		QDir m_dst;
+	};
+
+	/**
+	 * Delete a folder recursively
+	 */
+	bool deletePath(QString path);
+
+	QString PathCombine(const QString& path1, const QString& path2);
+	QString PathCombine(const QString& path1, const QString& path2,
+						const QString& path3);
+	QString PathCombine(const QString& path1, const QString& path2,
+						const QString& path3, const QString& path4);
+
+	QString AbsolutePath(QString path);
+
+	/**
+	 * Resolve an executable
+	 *
+	 * Will resolve:
+	 *   single executable (by name)
+	 *   relative path
+	 *   absolute path
+	 *
+	 * @return absolute path to executable or null string
+	 */
+	QString ResolveExecutable(QString path);
+
+	/**
+	 * Normalize path
+	 *
+	 * Any paths inside the current directory will be normalized to relative
+	 * paths (to current) Other paths will be made absolute
+	 *
+	 * Returns false if the path logic somehow filed (and normalizedPath in
+	 * invalid)
+	 */
+	QString NormalizePath(QString path);
+
+	QString RemoveInvalidFilenameChars(QString string, QChar replaceWith = '-');
+
+	QString DirNameFromString(QString string, QString inDir = ".");
+
+	/// Checks if the a given Path contains "!"
+	bool checkProblemticPathJava(QDir folder);
+
+	// Get the Directory representing the User's Desktop
+	QString getDesktopDir();
+
+	// Create a shortcut at *location*, pointing to *dest* called with the
+	// arguments *args* call it *name* and assign it the icon *icon* return true
+	// if operation succeeded
+	bool createShortCut(QString location, QString dest, QStringList args,
+						QString name, QString iconLocation);
+} // namespace FS