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115 lines
4.5 KiB
C#
115 lines
4.5 KiB
C#
// /***************************************************************************
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// Aaru Data Preservation Suite
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// ----------------------------------------------------------------------------
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//
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// Filename : Consts.cs
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// Author(s) : Natalia Portillo <claunia@claunia.com>
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//
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// Component : Apple Lisa 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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// ****************************************************************************/
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using System.Diagnostics.CodeAnalysis;
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namespace Aaru.Filesystems;
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[SuppressMessage("ReSharper", "UnusedMember.Local")]
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public sealed partial class LisaFS
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{
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/// <summary>Lisa FS v1, from Lisa OS 1.0 (Workshop or Office) Never seen on Sony floppies.</summary>
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const byte LISA_V1 = 0x0E;
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/// <summary>
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/// Lisa FS v2, from Lisa OS 2.0 (Workshop or Office) Contrary to what most information online says the only
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/// difference with V1 is the Extents File size. Catalog format is the same
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/// </summary>
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const byte LISA_V2 = 0x0F;
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/// <summary>
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/// Lisa FS v3, from Lisa OS 3.0 (Workshop or Office) Adds support for user catalogs (aka subdirectories), and
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/// changes the catalog format from extents to double-linked list. Uses '-' as path separator (so people that created
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/// Lisa/FILE.TEXT just created a file named like that :p)
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/// </summary>
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const byte LISA_V3 = 0x11;
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/// <summary>Maximum string size in LisaFS</summary>
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const uint E_NAME = 32;
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/// <summary>Unused file ID</summary>
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const ushort FILEID_FREE = 0x0000;
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/// <summary>Used by the boot blocks</summary>
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const ushort FILEID_BOOT = 0xAAAA;
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/// <summary>Used by the operating system loader blocks</summary>
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const ushort FILEID_LOADER = 0xBBBB;
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/// <summary>Used by the MDDF</summary>
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const ushort FILEID_MDDF = 0x0001;
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/// <summary>Used by the volume bitmap, sits between MDDF and S-Records file.</summary>
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const ushort FILEID_BITMAP = 0x0002;
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/// <summary>S-Records file</summary>
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const ushort FILEID_SRECORD = 0x0003;
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/// <summary>The root catalog</summary>
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const ushort FILEID_CATALOG = 0x0004;
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const short FILEID_BOOT_SIGNED = -21846;
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const short FILEID_LOADER_SIGNED = -17477;
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/// <summary>A file that has been erased</summary>
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const ushort FILEID_ERASED = 0x7FFF;
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const ushort FILEID_MAX = FILEID_ERASED;
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/// <summary>Root directory ID</summary>
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const short DIRID_ROOT = 0;
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const string FS_TYPE = "lisafs";
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#region Nested type: FileType
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enum FileType : byte
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{
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/// <summary>Undefined file type</summary>
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Undefined = 0,
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/// <summary>MDDF</summary>
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MDDFile = 1,
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/// <summary>Root catalog</summary>
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RootCat = 2,
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/// <summary>Bitmap</summary>
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FreeList = 3,
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/// <summary>Unknown, maybe refers to the S-Records File?</summary>
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BadBlocks = 4,
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/// <summary>System data</summary>
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SysData = 5,
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/// <summary>Printer spool</summary>
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Spool = 6,
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/// <summary>Executable. Yet application files don't use it</summary>
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Exec = 7,
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/// <summary>User catalog</summary>
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UserCat = 8,
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/// <summary>Pipe. Not seen on disk.</summary>
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Pipe = 9,
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/// <summary>Boot file?</summary>
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BootFile = 10,
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/// <summary>Swap for data</summary>
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SwapData = 11,
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/// <summary>Swap for code</summary>
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SwapCode = 12,
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/// <summary>Unknown</summary>
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RamAP = 13,
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/// <summary>Any file</summary>
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UserFile = 14,
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/// <summary>Erased?</summary>
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KilledObject = 15
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}
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#endregion
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} |