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Aaru/Aaru.Core/FileAttributesExtensions.cs

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// /***************************************************************************
// Aaru Data Preservation Suite
// ----------------------------------------------------------------------------
//
// Filename : Ls.cs
// Author(s) : Natalia Portillo <claunia@claunia.com>
//
// Component : Commands.
//
// --[ License ] --------------------------------------------------------------
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as
// published by the Free Software Foundation, either version 3 of the
// License, or (at your option) any later version.
//
// This program 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 General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
//
// ----------------------------------------------------------------------------
// Copyright © 2011-2025 Natalia Portillo
// ****************************************************************************/
using Aaru.CommonTypes.Structs;
namespace Aaru.Core;
public static class FileAttributesExtensions
{
/// <summary>
/// Returns a 19-character string representation of the attributes
/// </summary>
public static string ToAttributeChars(this FileAttributes flags)
{
var attr = new char[19];
for(var i = 0; i < attr.Length; i++) attr[i] = '.';
(FileAttributes Flag, int Slot, char Symbol)[] attrs =
[
(FileAttributes.AppendOnly, 1, 'a'), (FileAttributes.Alias, 0, 'l'), (FileAttributes.Archive, 1, 'A'),
(FileAttributes.BlockDevice, 0, 'b'), (FileAttributes.Bundle, 0, 'B'),
(FileAttributes.CharDevice, 0, 'c'), (FileAttributes.Compressed, 5, 'z'),
(FileAttributes.Device, 0, 'v'), (FileAttributes.Directory, 0, 'd'), (FileAttributes.Encrypted, 6, 'e'),
(FileAttributes.Extents, 7, 'e'), (FileAttributes.FIFO, 0, 'F'), (FileAttributes.File, 0, 'f'),
(FileAttributes.HasBeenInited, 8, 'i'), (FileAttributes.HasCustomIcon, 9, 'c'),
(FileAttributes.HasNoINITs, 8, 'n'), (FileAttributes.Hidden, 4, 'H'),
(FileAttributes.Immutable, 2, 'i'), (FileAttributes.IndexedDirectory, 1, 'i'),
(FileAttributes.Inline, 11, 'i'), (FileAttributes.IntegrityStream, 12, 'i'),
(FileAttributes.IsOnDesk, 13, 'd'), (FileAttributes.Journaled, 14, 'j'),
(FileAttributes.NoAccessTime, 15, 'a'), (FileAttributes.NoCopyOnWrite, 16, 'w'),
(FileAttributes.NoDump, 1, 'd'), (FileAttributes.Password, 17, 'p'), (FileAttributes.ReadOnly, 2, 'R'),
(FileAttributes.ReparsePoint, 0, 'r'), (FileAttributes.Sparse, 18, 's'),
(FileAttributes.Shadow, 0, 'l'), (FileAttributes.Stationery, 0, 't'), (FileAttributes.Symlink, 0, 'l'),
(FileAttributes.System, 3, 'S'), (FileAttributes.TopDirectory, 0, 'T'),
(FileAttributes.Undeletable, 2, 'u'), (FileAttributes.Pipe, 0, 'p'), (FileAttributes.Socket, 0, 's'),
(FileAttributes.Deleted, 2, 'd'), (FileAttributes.Executable, 10, 'x')
];
// 4) Post-process extras: only overwrite slots still .
foreach((FileAttributes flag, int slot, char symbol) in attrs)
{
if(slot >= 0 && slot < attr.Length && attr[slot] == '.' && flags.HasFlag(flag)) attr[slot] = symbol;
}
return new string(attr);
}
}