Files
Aaru/Aaru.Filesystems/AppleMFS/AppleMFS.cs

92 lines
3.3 KiB
C#

// /***************************************************************************
// Aaru Data Preservation Suite
// ----------------------------------------------------------------------------
//
// Filename : AppleMFS.cs
// Author(s) : Natalia Portillo <claunia@claunia.com>
//
// Component : Apple Macintosh File System 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.Text;
using Aaru.CommonTypes.AaruMetadata;
using Aaru.CommonTypes.Interfaces;
namespace Aaru.Filesystems;
// Information from Inside Macintosh Volume II
/// <inheritdoc />
/// <summary>Implements the Apple Macintosh File System</summary>
public sealed partial class AppleMFS : IReadOnlyFilesystem
{
const string MODULE_NAME = "Apple MFS plugin";
byte[] _bitmapTags;
uint[] _blockMap;
byte[] _blockMapBytes;
byte[] _bootBlocks;
byte[] _bootTags;
bool _debug;
IMediaImage _device;
byte[] _directoryBlocks;
byte[] _directoryTags;
Encoding _encoding;
Dictionary<string, uint> _filenameToId;
Dictionary<uint, FileEntry> _idToEntry;
Dictionary<uint, string> _idToFilename;
byte[] _mdbBlocks;
byte[] _mdbTags;
bool _mounted;
ulong _partitionStart;
int _sectorsPerBlock;
MasterDirectoryBlock _volMdb;
static Dictionary<string, string> GetDefaultOptions() => new()
{
{
"debug", false.ToString()
}
};
#region IReadOnlyFilesystem Members
/// <inheritdoc />
public string Name => Localization.AppleMFS_Name;
/// <inheritdoc />
public FileSystem Metadata { get; private set; }
/// <inheritdoc />
public Guid Id => new("36405F8D-0D26-4066-6538-5DBF5D065C3A");
/// <inheritdoc />
public string Author => Authors.NataliaPortillo;
// TODO: Implement Finder namespace (requires decoding Desktop database)
/// <inheritdoc />
public IEnumerable<(string name, Type type, string description)> SupportedOptions => [];
/// <inheritdoc />
public Dictionary<string, string> Namespaces => null;
#endregion
}