mirror of
https://github.com/aaru-dps/Aaru.git
synced 2025-12-16 19:24:25 +00:00
108 lines
4.3 KiB
C#
108 lines
4.3 KiB
C#
// /***************************************************************************
|
|
// Aaru Data Preservation Suite
|
|
// ----------------------------------------------------------------------------
|
|
//
|
|
// Filename : Info.cs
|
|
// Author(s) : Natalia Portillo <claunia@claunia.com>
|
|
//
|
|
// Component : Apple DOS 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
|
|
// ****************************************************************************/
|
|
|
|
using System.Text;
|
|
using Aaru.CommonTypes.AaruMetadata;
|
|
using Aaru.CommonTypes.Enums;
|
|
using Aaru.CommonTypes.Interfaces;
|
|
using Aaru.Helpers;
|
|
using Partition = Aaru.CommonTypes.Partition;
|
|
|
|
namespace Aaru.Filesystems;
|
|
|
|
public sealed partial class AppleDOS
|
|
{
|
|
#region IReadOnlyFilesystem Members
|
|
|
|
/// <inheritdoc />
|
|
public bool Identify(IMediaImage imagePlugin, Partition partition)
|
|
{
|
|
if(imagePlugin.Info.Sectors != 455 && imagePlugin.Info.Sectors != 560) return false;
|
|
|
|
if(partition.Start > 0 || imagePlugin.Info.SectorSize != 256) return false;
|
|
|
|
int spt = imagePlugin.Info.Sectors == 455 ? 13 : 16;
|
|
|
|
ErrorNumber errno = imagePlugin.ReadSector((ulong)(17 * spt), false, out byte[] vtocB, out _);
|
|
|
|
if(errno != ErrorNumber.NoError) return false;
|
|
|
|
_vtoc = Marshal.ByteArrayToStructureLittleEndian<Vtoc>(vtocB);
|
|
|
|
return _vtoc.catalogSector < spt &&
|
|
_vtoc.maxTrackSectorPairsPerSector <= 122 &&
|
|
_vtoc.sectorsPerTrack == spt &&
|
|
_vtoc.bytesPerSector == 256;
|
|
}
|
|
|
|
/// <inheritdoc />
|
|
public void GetInformation(IMediaImage imagePlugin, Partition partition, Encoding encoding, out string information,
|
|
out FileSystem metadata)
|
|
{
|
|
information = "";
|
|
var sb = new StringBuilder();
|
|
metadata = new FileSystem();
|
|
|
|
int spt = imagePlugin.Info.Sectors == 455 ? 13 : 16;
|
|
|
|
ErrorNumber errno = imagePlugin.ReadSector((ulong)(17 * spt), false, out byte[] vtocB, out _);
|
|
|
|
if(errno != ErrorNumber.NoError) return;
|
|
|
|
_vtoc = Marshal.ByteArrayToStructureLittleEndian<Vtoc>(vtocB);
|
|
|
|
sb.AppendLine(Localization.AppleDOS_Name);
|
|
sb.AppendLine();
|
|
|
|
sb.AppendFormat(Localization.Catalog_starts_at_sector_0_of_track_1, _vtoc.catalogSector, _vtoc.catalogTrack)
|
|
.AppendLine();
|
|
|
|
sb.AppendFormat(Localization.File_system_initialized_by_DOS_release_0, _vtoc.dosRelease).AppendLine();
|
|
sb.AppendFormat(Localization.Disk_volume_number_0, _vtoc.volumeNumber).AppendLine();
|
|
sb.AppendFormat(Localization.Sectors_allocated_at_most_in_track_0, _vtoc.lastAllocatedSector).AppendLine();
|
|
sb.AppendFormat(Localization._0_tracks_in_volume, _vtoc.tracks).AppendLine();
|
|
sb.AppendFormat(Localization._0_sectors_per_track, _vtoc.sectorsPerTrack).AppendLine();
|
|
sb.AppendFormat(Localization._0_bytes_per_sector, _vtoc.bytesPerSector).AppendLine();
|
|
|
|
sb.AppendLine(_vtoc.allocationDirection > 0
|
|
? Localization.Track_allocation_is_forward
|
|
: Localization.Track_allocation_is_reverse);
|
|
|
|
information = sb.ToString();
|
|
|
|
metadata = new FileSystem
|
|
{
|
|
Bootable = true,
|
|
Clusters = imagePlugin.Info.Sectors,
|
|
ClusterSize = imagePlugin.Info.SectorSize,
|
|
Type = FS_TYPE
|
|
};
|
|
}
|
|
|
|
#endregion
|
|
} |