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Aaru/Aaru.Filesystems/ProDOS/Consts.cs

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3.0 KiB
C#

// /***************************************************************************
// Aaru Data Preservation Suite
// ----------------------------------------------------------------------------
//
// Filename : Consts.cs
// Author(s) : Natalia Portillo <claunia@claunia.com>
//
// Component : Apple ProDOS 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
// ****************************************************************************/
// ReSharper disable NotAccessedField.Local
using System.Diagnostics.CodeAnalysis;
namespace Aaru.Filesystems;
// Information from Apple ProDOS 8 Technical Reference
/// <inheritdoc />
/// <summary>Implements detection of Apple ProDOS filesystem</summary>
[SuppressMessage("ReSharper", "UnusedMember.Local")]
[SuppressMessage("ReSharper", "UnusedType.Local")]
public sealed partial class ProDOSPlugin
{
const byte EMPTY_STORAGE_TYPE = 0x00;
/// <summary>A file that occupies one block or less</summary>
const byte SEEDLING_FILE_TYPE = 0x01;
/// <summary>A file that occupies between 2 and 256 blocks</summary>
const byte SAPLING_FILE_TYPE = 0x02;
/// <summary>A file that occupies between 257 and 32768 blocks</summary>
const byte TREE_FILE_TYPE = 0x03;
const byte PASCAL_AREA_TYPE = 0x04;
const byte SUBDIRECTORY_TYPE = 0x0D;
const byte SUBDIRECTORY_HEADER_TYPE = 0x0E;
const byte ROOT_DIRECTORY_TYPE = 0x0F;
const byte VERSION1 = 0x00;
const uint YEAR_MASK = 0xFE000000;
const uint MONTH_MASK = 0x1E00000;
const uint DAY_MASK = 0x1F0000;
const uint HOUR_MASK = 0x1F00;
const uint MINUTE_MASK = 0x3F;
const byte DESTROY_ATTRIBUTE = 0x80;
const byte RENAME_ATTRIBUTE = 0x40;
const byte BACKUP_ATTRIBUTE = 0x20;
const byte WRITE_ATTRIBUTE = 0x02;
const byte READ_ATTRIBUTE = 0x01;
const byte RESERVED_ATTRIBUTE_MASK = 0x1C;
const byte STORAGE_TYPE_MASK = 0xF0;
const byte NAME_LENGTH_MASK = 0x0F;
const byte ENTRY_LENGTH = 0x27;
const byte ENTRIES_PER_BLOCK = 0x0D;
const string FS_TYPE = "prodos";
}