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[Symbian Installation File] Decode multiple language file records.

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This commit is contained in:
Natalia Portillo
2023-10-07 10:48:02 +01:00
parent fff5d129eb
commit c6c6259035
2 changed files with 71 additions and 5 deletions
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3
Aaru.Archives/Symbian/Info.cs
View File

@@ -217,7 +217,7 @@ public partial class Symbian
do do
{ {
Parse(br, ref offset, ref currentFile, sh.files); Parse(br, ref offset, ref currentFile, sh.files, languages);
} while(currentFile < sh.files); } while(currentFile < sh.files);
// Files appear on .sis in the reverse order they should be processed // Files appear on .sis in the reverse order they should be processed
@@ -239,6 +239,7 @@ public partial class Symbian
description.AppendFormat(Localization.Files_for_0_language, lang).AppendLine(); description.AppendFormat(Localization.Files_for_0_language, lang).AppendLine();
foreach(DecodedFileRecord file in _files.Where(t => t.language == lang)) foreach(DecodedFileRecord file in _files.Where(t => t.language == lang))
description.AppendLine($"{file.destinationName}"); description.AppendLine($"{file.destinationName}");
description.AppendLine();
} }
information = description.ToString(); information = description.ToString();

73
Aaru.Archives/Symbian/Parser.cs
View File

@@ -31,15 +31,17 @@
// ****************************************************************************/ // ****************************************************************************/
using System; using System;
using System.Collections.Generic;
using System.IO; using System.IO;
using System.Runtime.InteropServices;
using Aaru.Console; using Aaru.Console;
using Aaru.Helpers; using Marshal = Aaru.Helpers.Marshal;
namespace Aaru.Archives; namespace Aaru.Archives;
public partial class Symbian public partial class Symbian
{ {
void Parse(BinaryReader br, ref uint offset, ref uint currentFile, uint maxFiles) void Parse(BinaryReader br, ref uint offset, ref uint currentFile, uint maxFiles, List<string> languages)
{ {
currentFile++; currentFile++;
@@ -56,7 +58,8 @@ public partial class Symbian
br.BaseStream.Seek(-sizeof(FileRecordType), SeekOrigin.Current); br.BaseStream.Seek(-sizeof(FileRecordType), SeekOrigin.Current);
byte[] buffer; byte[] buffer;
ReadOnlySpan<byte> span;
switch(recordType) switch(recordType)
{ {
@@ -103,7 +106,69 @@ public partial class Symbian
break; break;
case FileRecordType.MultipleLanguageFiles: case FileRecordType.MultipleLanguageFiles:
throw new NotImplementedException(); MultipleFileRecord multipleFileRecord = new();
// Read common file record fields
buffer = br.ReadBytes(Marshal.SizeOf<BaseFileRecord>());
multipleFileRecord.record = Marshal.ByteArrayToStructureLittleEndian<BaseFileRecord>(buffer);
buffer = br.ReadBytes(sizeof(uint) * languages.Count);
span = buffer;
multipleFileRecord.lengths = MemoryMarshal.Cast<byte, uint>(span)[..languages.Count].ToArray();
buffer = br.ReadBytes(sizeof(uint) * languages.Count);
span = buffer;
multipleFileRecord.pointers = MemoryMarshal.Cast<byte, uint>(span)[..languages.Count].ToArray();
if(_release6)
{
buffer = br.ReadBytes(sizeof(uint) * languages.Count);
span = buffer;
multipleFileRecord.originalLengths =
MemoryMarshal.Cast<byte, uint>(span)[..languages.Count].ToArray();
multipleFileRecord.mimeLen = br.ReadUInt32();
multipleFileRecord.mimePtr = br.ReadUInt32();
}
else
multipleFileRecord.originalLengths = multipleFileRecord.lengths;
offset = (uint)br.BaseStream.Position;
br.BaseStream.Seek(multipleFileRecord.record.sourceNamePtr, SeekOrigin.Begin);
buffer = br.ReadBytes((int)multipleFileRecord.record.sourceNameLen);
string sourceName = _encoding.GetString(buffer);
br.BaseStream.Seek(multipleFileRecord.record.destinationNamePtr, SeekOrigin.Begin);
buffer = br.ReadBytes((int)multipleFileRecord.record.destinationNameLen);
string destinationName = _encoding.GetString(buffer);
string mimeType = null;
if(_release6)
{
br.BaseStream.Seek(multipleFileRecord.mimePtr, SeekOrigin.Begin);
buffer = br.ReadBytes((int)multipleFileRecord.mimeLen);
mimeType = _encoding.GetString(buffer);
}
var decodedFileRecords = new DecodedFileRecord[languages.Count];
for(var i = 0; i < languages.Count; i++)
{
decodedFileRecords[i].type = multipleFileRecord.record.type;
decodedFileRecords[i].details = multipleFileRecord.record.details;
decodedFileRecords[i].sourceName = sourceName;
decodedFileRecords[i].destinationName = destinationName;
decodedFileRecords[i].length = multipleFileRecord.lengths[i];
decodedFileRecords[i].pointer = multipleFileRecord.pointers[i];
decodedFileRecords[i].originalLength = multipleFileRecord.originalLengths[i];
decodedFileRecords[i].mime = mimeType;
decodedFileRecords[i].language = languages[i];
}
_files.AddRange(decodedFileRecords);
break;
case FileRecordType.Options: case FileRecordType.Options:
throw new NotImplementedException(); throw new NotImplementedException();
case FileRecordType.If: case FileRecordType.If: