Files
Aaru/Aaru.Filesystems/FATX/FATX.cs

109 lines
4.1 KiB
C#

// /***************************************************************************
// Aaru Data Preservation Suite
// ----------------------------------------------------------------------------
//
// Filename : FATX.cs
// Author(s) : Natalia Portillo <claunia@claunia.com>
//
// Component : FATX filesystem plugin
//
// --[ License ] --------------------------------------------------------------
//
// This library is free software; you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as
// published by the Free Software Foundation; either version 2.1 of the
// License, or (at your option) any later version.
//
// This library 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
// Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, see <http://www.gnu.org/licenses/>.
//
// ----------------------------------------------------------------------------
// Copyright © 2011-2025 Natalia Portillo
// ****************************************************************************/
using System;
using System.Collections.Generic;
using System.Globalization;
using System.Text;
using Aaru.CommonTypes.AaruMetadata;
using Aaru.CommonTypes.Enums;
using Aaru.CommonTypes.Interfaces;
using FileSystemInfo = Aaru.CommonTypes.Structs.FileSystemInfo;
namespace Aaru.Filesystems;
/// <inheritdoc />
/// <summary>Implements the Xbox File Allocation Table (FATX or XTAF) filesystem.</summary>
public sealed partial class XboxFatPlugin : IReadOnlyFilesystem
{
const string MODULE_NAME = "Xbox FAT plugin";
uint _bytesPerCluster;
CultureInfo _cultureInfo;
bool _debug;
Dictionary<string, Dictionary<string, DirectoryEntry>> _directoryCache;
Encoding _encoding;
ushort[] _fat16;
uint[] _fat32;
ulong _fatStartSector;
ulong _firstClusterSector;
IMediaImage _imagePlugin;
bool _littleEndian;
bool _mounted;
Dictionary<string, DirectoryEntry> _rootDirectory;
uint _sectorsPerCluster;
FileSystemInfo _statfs;
Superblock _superblock;
static Dictionary<string, string> GetDefaultOptions() => new()
{
{
"debug", false.ToString()
}
};
#region IReadOnlyFilesystem Members
/// <inheritdoc />
public FileSystem Metadata { get; private set; }
/// <inheritdoc />
public string Name => Localization.XboxFatPlugin_Name;
/// <inheritdoc />
public Guid Id => new("ED27A721-4A17-4649-89FD-33633B46E228");
/// <inheritdoc />
public string Author => Authors.NataliaPortillo;
/// <inheritdoc />
public ErrorNumber ListXAttr(string path, out List<string> xattrs)
{
xattrs = null;
return ErrorNumber.NotSupported;
}
/// <inheritdoc />
public ErrorNumber GetXattr(string path, string xattr, ref byte[] buf) => ErrorNumber.NotSupported;
/// <inheritdoc />
public ErrorNumber ReadLink(string path, out string dest)
{
dest = null;
return ErrorNumber.NotSupported;
}
/// <inheritdoc />
public IEnumerable<(string name, Type type, string description)> SupportedOptions => [];
/// <inheritdoc />
public Dictionary<string, string> Namespaces => null;
#endregion
}