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114 lines
4.2 KiB
C#
114 lines
4.2 KiB
C#
// /***************************************************************************
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// Aaru Data Preservation Suite
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// ----------------------------------------------------------------------------
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//
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// Filename : ISO9660.cs
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// Author(s) : Natalia Portillo <claunia@claunia.com>
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//
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// Component : ISO9660 filesystem plugin.
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//
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// --[ License ] --------------------------------------------------------------
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//
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// This library is free software; you can redistribute it and/or modify
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// it under the terms of the GNU Lesser General Public License as
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// published by the Free Software Foundation; either version 2.1 of the
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// License, or (at your option) any later version.
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//
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// This library is distributed in the hope that it will be useful, but
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// WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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// Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public
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// License along with this library; if not, see <http://www.gnu.org/licenses/>.
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//
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// ----------------------------------------------------------------------------
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// Copyright © 2011-2025 Natalia Portillo
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// In the loving memory of Facunda "Tata" Suárez Domínguez, R.I.P. 2019/07/24
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// ****************************************************************************/
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using System;
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using System.Collections.Generic;
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using System.Diagnostics.CodeAnalysis;
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using System.Text;
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using Aaru.CommonTypes.AaruMetadata;
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using Aaru.CommonTypes.Interfaces;
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using FileSystemInfo = Aaru.CommonTypes.Structs.FileSystemInfo;
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namespace Aaru.Filesystems;
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// This is coded following ECMA-119.
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/// <inheritdoc />
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/// <summary>Implements the High Sierra, ISO9660 and CD-i filesystems</summary>
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[SuppressMessage("ReSharper", "UnusedType.Local")]
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public sealed partial class ISO9660 : IReadOnlyFilesystem
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{
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const string MODULE_NAME = "ISO9660 plugin";
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ushort _blockSize;
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bool _cdi;
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bool _debug;
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Encoding _encoding;
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bool _highSierra;
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IMediaImage _image;
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bool _joliet;
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bool _mounted;
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Namespace _namespace;
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PathTableEntryInternal[] _pathTable;
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Dictionary<string, DecodedDirectoryEntry> _rootDirectoryCache;
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FileSystemInfo _statfs;
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bool _useEvd;
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bool _usePathTable;
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bool _useTransTbl;
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#region IReadOnlyFilesystem Members
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/// <inheritdoc />
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public FileSystem Metadata { get; private set; }
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/// <inheritdoc />
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public string Name => "ISO9660 Filesystem";
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/// <inheritdoc />
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public Guid Id => new("d812f4d3-c357-400d-90fd-3b22ef786aa8");
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/// <inheritdoc />
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public string Author => Authors.NataliaPortillo;
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/// <inheritdoc />
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public IEnumerable<(string name, Type type, string description)> SupportedOptions =>
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[
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("use_path_table", typeof(bool), "Use path table for directory traversal"),
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("use_trans_tbl", typeof(bool), "Use TRANS.TBL for filenames"),
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("use_evd", typeof(bool),
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"If present, use Enhanced Volume Descriptor with specified encoding (overrides namespace)")
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];
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/// <inheritdoc />
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public Dictionary<string, string> Namespaces => new()
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{
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{
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"normal", "Primary Volume Descriptor, ignoring ;1 suffixes"
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},
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{
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"vms", "Primary Volume Descriptor, showing version suffixes"
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},
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{
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"joliet", "Joliet Volume Descriptor (default)"
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},
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{
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"rrip", "Rock Ridge"
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},
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{
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"romeo", "Primary Volume Descriptor using the specified encoding codepage"
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}
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};
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#endregion
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static Dictionary<string, string> GetDefaultOptions() => new()
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{
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{
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"debug", false.ToString()
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}
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};
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} |