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Aaru-aaru-dps/Aaru.Filesystems/PFS/Internal.cs

109 lines
3.8 KiB
C#

// /***************************************************************************
// Aaru Data Preservation Suite
// ----------------------------------------------------------------------------
//
// Filename : Internal.cs
// Author(s) : Natalia Portillo <claunia@claunia.com>
//
// Component : Professional File System 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 © 2011-2026 Natalia Portillo
// ****************************************************************************/
using Aaru.CommonTypes.Interfaces;
namespace Aaru.Filesystems;
/// <inheritdoc />
public sealed partial class PFS
{
#region Nested type: DirEntryCacheItem
/// <summary>Cached directory entry information</summary>
sealed class DirEntryCacheItem
{
/// <summary>Anode number for this entry</summary>
public uint Anode { get; init; }
/// <summary>Entry type (file, directory, link, etc.)</summary>
public EntryType Type { get; init; }
/// <summary>File size in bytes</summary>
public uint Size { get; set; }
/// <summary>Protection bits</summary>
public ProtectionBits Protection { get; init; }
/// <summary>Creation day (days since Jan 1, 1978)</summary>
public ushort CreationDay { get; init; }
/// <summary>Creation minute</summary>
public ushort CreationMinute { get; init; }
/// <summary>Creation tick</summary>
public ushort CreationTick { get; init; }
/// <summary>File comment</summary>
public string Comment { get; set; }
}
#endregion
#region Nested type: PFSDirNode
/// <summary>Directory node for enumerating directory contents</summary>
sealed class PFSDirNode : IDirNode
{
/// <summary>Current position in the directory enumeration (entry index)</summary>
internal int Position { get; set; }
/// <summary>Array of directory entry names in this directory</summary>
internal string[] Entries { get; set; }
/// <inheritdoc />
public string Path { get; init; }
}
#endregion
#region Nested type: PFSFileNode
/// <summary>File node for reading file contents</summary>
sealed class PFSFileNode : IFileNode
{
/// <summary>Starting anode number for the file</summary>
internal uint StartAnode { get; init; }
/// <summary>Current anode in the chain</summary>
internal Anode CurrentAnode { get; set; }
/// <summary>Offset within current anode's cluster (in blocks)</summary>
internal uint AnodeOffset { get; set; }
/// <summary>Offset within current block (in bytes)</summary>
internal uint BlockOffset { get; set; }
/// <summary>File size in bytes</summary>
internal uint FileSize { get; init; }
/// <inheritdoc />
public string Path { get; init; }
/// <inheritdoc />
public long Length { get; init; }
/// <inheritdoc />
public long Offset { get; set; }
}
#endregion
}