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[AppleSingle] Use new source generator based big endian marshaller

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This commit is contained in:
Natalia Portillo
2025-10-21 04:00:00 +01:00
parent 6c82a6162f
commit 78e48801d3
1 changed files with 70 additions and 59 deletions
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129
Aaru.Filters/AppleSingle.cs
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@@ -35,6 +35,7 @@ using System.Diagnostics.CodeAnalysis;
using System.IO;
using System.Linq;
using System.Runtime.InteropServices;
using Aaru.CommonTypes.Attributes;
using Aaru.CommonTypes.Enums;
using Aaru.CommonTypes.Interfaces;
using Aaru.Helpers;
@@ -46,7 +47,7 @@ namespace Aaru.Filters;
/// <inheritdoc />
/// <summary>Decodes AppleSingle files</summary>
[SuppressMessage("ReSharper", "UnusedMember.Local")]
public sealed class AppleSingle : IFilter
public sealed partial class AppleSingle : IFilter
{
const uint MAGIC = 0x00051600;
const uint VERSION = 0x00010000;
@@ -164,7 +165,7 @@ public sealed class AppleSingle : IFilter
var hdrB = new byte[26];
Array.Copy(buffer, 0, hdrB, 0, 26);
_header = Marshal.ByteArrayToStructureBigEndian<Header>(hdrB);
_header = Marshal.ByteArrayToStructureBigEndianGenerated<Header>(hdrB);
return _header is { magic: MAGIC, version: VERSION or VERSION2 };
}
@@ -177,7 +178,7 @@ public sealed class AppleSingle : IFilter
var hdrB = new byte[26];
stream.Seek(0, SeekOrigin.Begin);
stream.EnsureRead(hdrB, 0, 26);
_header = Marshal.ByteArrayToStructureBigEndian<Header>(hdrB);
_header = Marshal.ByteArrayToStructureBigEndianGenerated<Header>(hdrB);
return _header is { magic: MAGIC, version: VERSION or VERSION2 };
}
@@ -193,7 +194,7 @@ public sealed class AppleSingle : IFilter
var hdrB = new byte[26];
fstream.EnsureRead(hdrB, 0, 26);
_header = Marshal.ByteArrayToStructureBigEndian<Header>(hdrB);
_header = Marshal.ByteArrayToStructureBigEndianGenerated<Header>(hdrB);
fstream.Close();
@@ -208,7 +209,7 @@ public sealed class AppleSingle : IFilter
var hdrB = new byte[26];
ms.EnsureRead(hdrB, 0, 26);
_header = Marshal.ByteArrayToStructureBigEndian<Header>(hdrB);
_header = Marshal.ByteArrayToStructureBigEndianGenerated<Header>(hdrB);
var entries = new Entry[_header.entries];
@@ -216,7 +217,7 @@ public sealed class AppleSingle : IFilter
{
var entry = new byte[12];
ms.EnsureRead(entry, 0, 12);
entries[i] = Marshal.ByteArrayToStructureBigEndian<Entry>(entry);
entries[i] = Marshal.ByteArrayToStructureBigEndianGenerated<Entry>(entry);
}
CreationTime = DateTime.UtcNow;
@@ -235,7 +236,7 @@ public sealed class AppleSingle : IFilter
var datesB = new byte[16];
ms.EnsureRead(datesB, 0, 16);
FileDates dates = Marshal.ByteArrayToStructureBigEndian<FileDates>(datesB);
FileDates dates = Marshal.ByteArrayToStructureBigEndianGenerated<FileDates>(datesB);
CreationTime = DateHandlers.UnixUnsignedToDateTime(dates.creationDate);
LastWriteTime = DateHandlers.UnixUnsignedToDateTime(dates.modificationDate);
@@ -248,28 +249,29 @@ public sealed class AppleSingle : IFilter
if(_macintoshHome.SequenceEqual(_header.homeFilesystem))
{
MacFileInfo macinfo = Marshal.ByteArrayToStructureBigEndian<MacFileInfo>(finfo);
MacFileInfo macinfo = Marshal.ByteArrayToStructureBigEndianGenerated<MacFileInfo>(finfo);
CreationTime = DateHandlers.MacToDateTime(macinfo.creationDate);
LastWriteTime = DateHandlers.MacToDateTime(macinfo.modificationDate);
}
else if(_proDosHome.SequenceEqual(_header.homeFilesystem))
{
ProDOSFileInfo prodosinfo = Marshal.ByteArrayToStructureBigEndian<ProDOSFileInfo>(finfo);
ProDOSFileInfo prodosinfo =
Marshal.ByteArrayToStructureBigEndianGenerated<ProDOSFileInfo>(finfo);
CreationTime = DateHandlers.MacToDateTime(prodosinfo.creationDate);
LastWriteTime = DateHandlers.MacToDateTime(prodosinfo.modificationDate);
}
else if(_unixHome.SequenceEqual(_header.homeFilesystem))
{
UnixFileInfo unixinfo = Marshal.ByteArrayToStructureBigEndian<UnixFileInfo>(finfo);
UnixFileInfo unixinfo = Marshal.ByteArrayToStructureBigEndianGenerated<UnixFileInfo>(finfo);
CreationTime = DateHandlers.UnixUnsignedToDateTime(unixinfo.creationDate);
LastWriteTime = DateHandlers.UnixUnsignedToDateTime(unixinfo.modificationDate);
}
else if(_dosHome.SequenceEqual(_header.homeFilesystem))
{
DOSFileInfo dosinfo = Marshal.ByteArrayToStructureBigEndian<DOSFileInfo>(finfo);
DOSFileInfo dosinfo = Marshal.ByteArrayToStructureBigEndianGenerated<DOSFileInfo>(finfo);
LastWriteTime = DateHandlers.DosToDateTime(dosinfo.modificationDate, dosinfo.modificationTime);
}
@@ -296,7 +298,7 @@ public sealed class AppleSingle : IFilter
var hdrB = new byte[26];
stream.EnsureRead(hdrB, 0, 26);
_header = Marshal.ByteArrayToStructureBigEndian<Header>(hdrB);
_header = Marshal.ByteArrayToStructureBigEndianGenerated<Header>(hdrB);
var entries = new Entry[_header.entries];
@@ -304,7 +306,7 @@ public sealed class AppleSingle : IFilter
{
var entry = new byte[12];
stream.EnsureRead(entry, 0, 12);
entries[i] = Marshal.ByteArrayToStructureBigEndian<Entry>(entry);
entries[i] = Marshal.ByteArrayToStructureBigEndianGenerated<Entry>(entry);
}
CreationTime = DateTime.UtcNow;
@@ -323,7 +325,7 @@ public sealed class AppleSingle : IFilter
var datesB = new byte[16];
stream.EnsureRead(datesB, 0, 16);
FileDates dates = Marshal.ByteArrayToStructureBigEndian<FileDates>(datesB);
FileDates dates = Marshal.ByteArrayToStructureBigEndianGenerated<FileDates>(datesB);
CreationTime = DateHandlers.MacToDateTime(dates.creationDate);
LastWriteTime = DateHandlers.MacToDateTime(dates.modificationDate);
@@ -336,28 +338,29 @@ public sealed class AppleSingle : IFilter
if(_macintoshHome.SequenceEqual(_header.homeFilesystem))
{
MacFileInfo macinfo = Marshal.ByteArrayToStructureBigEndian<MacFileInfo>(finfo);
MacFileInfo macinfo = Marshal.ByteArrayToStructureBigEndianGenerated<MacFileInfo>(finfo);
CreationTime = DateHandlers.MacToDateTime(macinfo.creationDate);
LastWriteTime = DateHandlers.MacToDateTime(macinfo.modificationDate);
}
else if(_proDosHome.SequenceEqual(_header.homeFilesystem))
{
ProDOSFileInfo prodosinfo = Marshal.ByteArrayToStructureBigEndian<ProDOSFileInfo>(finfo);
ProDOSFileInfo prodosinfo =
Marshal.ByteArrayToStructureBigEndianGenerated<ProDOSFileInfo>(finfo);
CreationTime = DateHandlers.MacToDateTime(prodosinfo.creationDate);
LastWriteTime = DateHandlers.MacToDateTime(prodosinfo.modificationDate);
}
else if(_unixHome.SequenceEqual(_header.homeFilesystem))
{
UnixFileInfo unixinfo = Marshal.ByteArrayToStructureBigEndian<UnixFileInfo>(finfo);
UnixFileInfo unixinfo = Marshal.ByteArrayToStructureBigEndianGenerated<UnixFileInfo>(finfo);
CreationTime = DateHandlers.UnixUnsignedToDateTime(unixinfo.creationDate);
LastWriteTime = DateHandlers.UnixUnsignedToDateTime(unixinfo.modificationDate);
}
else if(_dosHome.SequenceEqual(_header.homeFilesystem))
{
DOSFileInfo dosinfo = Marshal.ByteArrayToStructureBigEndian<DOSFileInfo>(finfo);
DOSFileInfo dosinfo = Marshal.ByteArrayToStructureBigEndianGenerated<DOSFileInfo>(finfo);
LastWriteTime = DateHandlers.DosToDateTime(dosinfo.modificationDate, dosinfo.modificationTime);
}
@@ -385,7 +388,7 @@ public sealed class AppleSingle : IFilter
var hdrB = new byte[26];
fs.EnsureRead(hdrB, 0, 26);
_header = Marshal.ByteArrayToStructureBigEndian<Header>(hdrB);
_header = Marshal.ByteArrayToStructureBigEndianGenerated<Header>(hdrB);
var entries = new Entry[_header.entries];
@@ -393,7 +396,7 @@ public sealed class AppleSingle : IFilter
{
var entry = new byte[12];
fs.EnsureRead(entry, 0, 12);
entries[i] = Marshal.ByteArrayToStructureBigEndian<Entry>(entry);
entries[i] = Marshal.ByteArrayToStructureBigEndianGenerated<Entry>(entry);
}
CreationTime = DateTime.UtcNow;
@@ -412,7 +415,7 @@ public sealed class AppleSingle : IFilter
var datesB = new byte[16];
fs.EnsureRead(datesB, 0, 16);
FileDates dates = Marshal.ByteArrayToStructureBigEndian<FileDates>(datesB);
FileDates dates = Marshal.ByteArrayToStructureBigEndianGenerated<FileDates>(datesB);
CreationTime = DateHandlers.MacToDateTime(dates.creationDate);
LastWriteTime = DateHandlers.MacToDateTime(dates.modificationDate);
@@ -425,28 +428,29 @@ public sealed class AppleSingle : IFilter
if(_macintoshHome.SequenceEqual(_header.homeFilesystem))
{
MacFileInfo macinfo = Marshal.ByteArrayToStructureBigEndian<MacFileInfo>(finfo);
MacFileInfo macinfo = Marshal.ByteArrayToStructureBigEndianGenerated<MacFileInfo>(finfo);
CreationTime = DateHandlers.MacToDateTime(macinfo.creationDate);
LastWriteTime = DateHandlers.MacToDateTime(macinfo.modificationDate);
}
else if(_proDosHome.SequenceEqual(_header.homeFilesystem))
{
ProDOSFileInfo prodosinfo = Marshal.ByteArrayToStructureBigEndian<ProDOSFileInfo>(finfo);
ProDOSFileInfo prodosinfo =
Marshal.ByteArrayToStructureBigEndianGenerated<ProDOSFileInfo>(finfo);
CreationTime = DateHandlers.MacToDateTime(prodosinfo.creationDate);
LastWriteTime = DateHandlers.MacToDateTime(prodosinfo.modificationDate);
}
else if(_unixHome.SequenceEqual(_header.homeFilesystem))
{
UnixFileInfo unixinfo = Marshal.ByteArrayToStructureBigEndian<UnixFileInfo>(finfo);
UnixFileInfo unixinfo = Marshal.ByteArrayToStructureBigEndianGenerated<UnixFileInfo>(finfo);
CreationTime = DateHandlers.UnixUnsignedToDateTime(unixinfo.creationDate);
LastWriteTime = DateHandlers.UnixUnsignedToDateTime(unixinfo.modificationDate);
}
else if(_dosHome.SequenceEqual(_header.homeFilesystem))
{
DOSFileInfo dosinfo = Marshal.ByteArrayToStructureBigEndian<DOSFileInfo>(finfo);
DOSFileInfo dosinfo = Marshal.ByteArrayToStructureBigEndianGenerated<DOSFileInfo>(finfo);
LastWriteTime = DateHandlers.DosToDateTime(dosinfo.modificationDate, dosinfo.modificationTime);
}
@@ -495,11 +499,12 @@ public sealed class AppleSingle : IFilter
#region Nested type: DOSFileInfo
[StructLayout(LayoutKind.Sequential, Pack = 1)]
readonly struct DOSFileInfo
[SwapEndian]
struct DOSFileInfo
{
public readonly ushort modificationDate;
public readonly ushort modificationTime;
public readonly ushort attributes;
public ushort modificationDate;
public ushort modificationTime;
public ushort attributes;
}
#endregion
@@ -507,11 +512,12 @@ public sealed class AppleSingle : IFilter
#region Nested type: Entry
[StructLayout(LayoutKind.Sequential, Pack = 1)]
readonly struct Entry
[SwapEndian]
struct Entry
{
public readonly uint id;
public readonly uint offset;
public readonly uint length;
public uint id;
public uint offset;
public uint length;
}
#endregion
@@ -519,12 +525,13 @@ public sealed class AppleSingle : IFilter
#region Nested type: FileDates
[StructLayout(LayoutKind.Sequential, Pack = 1)]
readonly struct FileDates
[SwapEndian]
struct FileDates
{
public readonly uint creationDate;
public readonly uint modificationDate;
public readonly uint backupDate;
public readonly uint accessDate;
public uint creationDate;
public uint modificationDate;
public uint backupDate;
public uint accessDate;
}
#endregion
@@ -532,13 +539,14 @@ public sealed class AppleSingle : IFilter
#region Nested type: Header
[StructLayout(LayoutKind.Sequential, Pack = 1)]
readonly struct Header
[SwapEndian]
struct Header
{
public readonly uint magic;
public readonly uint version;
public uint magic;
public uint version;
[MarshalAs(UnmanagedType.ByValArray, SizeConst = 16)]
public readonly byte[] homeFilesystem;
public readonly ushort entries;
public byte[] homeFilesystem;
public ushort entries;
}
#endregion
@@ -546,12 +554,13 @@ public sealed class AppleSingle : IFilter
#region Nested type: MacFileInfo
[StructLayout(LayoutKind.Sequential, Pack = 1)]
readonly struct MacFileInfo
[SwapEndian]
struct MacFileInfo
{
public readonly uint creationDate;
public readonly uint modificationDate;
public readonly uint backupDate;
public readonly uint accessDate;
public uint creationDate;
public uint modificationDate;
public uint backupDate;
public uint accessDate;
}
#endregion
@@ -559,14 +568,15 @@ public sealed class AppleSingle : IFilter
#region Nested type: ProDOSFileInfo
[StructLayout(LayoutKind.Sequential, Pack = 1)]
readonly struct ProDOSFileInfo
[SwapEndian]
struct ProDOSFileInfo
{
public readonly uint creationDate;
public readonly uint modificationDate;
public readonly uint backupDate;
public readonly ushort access;
public readonly ushort fileType;
public readonly uint auxType;
public uint creationDate;
public uint modificationDate;
public uint backupDate;
public ushort access;
public ushort fileType;
public uint auxType;
}
#endregion
@@ -574,11 +584,12 @@ public sealed class AppleSingle : IFilter
#region Nested type: UnixFileInfo
[StructLayout(LayoutKind.Sequential, Pack = 1)]
readonly struct UnixFileInfo
[SwapEndian]
struct UnixFileInfo
{
public readonly uint creationDate;
public readonly uint accessDate;
public readonly uint modificationDate;
public uint creationDate;
public uint accessDate;
public uint modificationDate;
}
#endregion