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