aaru-dps/Aaru
1
0
Fork 0
mirror of https://github.com/aaru-dps/Aaru.git synced 2025-12-16 19:24:25 +00:00
Code Issues Packages Projects Releases Wiki Activity

[Symbian Installation File] Fix parsing of component record.

Browse Source
This commit is contained in:
Natalia Portillo
2023-10-07 02:29:03 +01:00
parent 624eddc639
commit 6da3257dc3
1 changed files with 22 additions and 4 deletions
Download Patch File Download Diff File Expand all files Collapse all files

26
Aaru.Archives/Symbian/Info.cs
View File

@@ -30,11 +30,15 @@
// Copyright © 2011-2023 Natalia Portillo
// ****************************************************************************/
using System;
using System.Collections.Generic;
using System.IO;
using System.Runtime.InteropServices;
using System.Text;
using Aaru.CommonTypes.Interfaces;
using Aaru.Console;
using Aaru.Helpers;
using Marshal = Aaru.Helpers.Marshal;
namespace Aaru.Archives;
@@ -99,16 +103,30 @@ public partial class Symbian
// Go to component record
br.BaseStream.Seek(sh.comp_ptr, SeekOrigin.Begin);
var componentRecord = new ComponentRecord();
buffer = new byte[sizeof(uint) * languages.Count];
// Read the component string lenghts
stream.EnsureRead(buffer, 0, buffer.Length);
ReadOnlySpan<byte> span = buffer;
componentRecord.namesLengths = MemoryMarshal.Cast<byte, uint>(span)[..languages.Count].ToArray();
// Read the component string pointers
stream.EnsureRead(buffer, 0, buffer.Length);
span = buffer;
componentRecord.namesPointers = MemoryMarshal.Cast<byte, uint>(span)[..languages.Count].ToArray();
for(var i = 0; i < sh.languages; i++)
{
uint comp_Len = br.ReadUInt32();
uint comp_Name_Ptr = br.ReadUInt32();
AaruConsole.DebugWriteLine(MODULE_NAME,
"Found component name for language {0} at {1} with a length of {2} bytes",
languages[i], componentRecord.namesPointers[i], componentRecord.namesLengths[i]);
if(i != en_Pos)
continue;
br.BaseStream.Seek(comp_Name_Ptr, SeekOrigin.Begin);
byte[] componentName_B = br.ReadBytes((int)comp_Len);
br.BaseStream.Seek(componentRecord.namesPointers[i], SeekOrigin.Begin);
byte[] componentName_B = br.ReadBytes((int)componentRecord.namesLengths[i]);
componentName = encoding.GetString(componentName_B);
break;
}