public StringTableEntry GetStringTableEntry(uint offset)
{
if (StringTableEntries.ContainsKey(offset))
{
return(StringTableEntries[offset]);
}
var index = (int)offset + 4; //unknown bytes, so skip
var hash = BitConverter.ToUInt16(ChunkBytes, index);
index += 2;
var stringLen = BitConverter.ToUInt16(ChunkBytes, index);
index += 2;
var stringVal = Encoding.Unicode.GetString(ChunkBytes, index, stringLen * 2);
var entrySize = 4 + 2 + 2 + stringLen * 2 + 2; //unknown + hash + len + null
StringTableEntries.Add(offset, new StringTableEntry(offset, hash, stringVal, entrySize));
return(new StringTableEntry(offset, hash, stringVal, entrySize));
}
public SdbFile(byte[] rawBytes, string sourceFile)
{
RawBytes = rawBytes;
SourceFile = Path.GetFullPath(sourceFile);
MajorVersion = BitConverter.ToInt32(rawBytes, 0);
MinorVersion = BitConverter.ToInt32(rawBytes, 4);
var logger = LogManager.GetCurrentClassLogger();
logger.Debug($"Major: {MajorVersion}, Minor: {MinorVersion}");
var index = 0xc;
StringTableEntries.Clear();
Metrics.Clear();
Children = new List <ISdbEntry>();
while (index < rawBytes.Length)
{
var id = (TagValue)BitConverter.ToUInt16(rawBytes, index);
index += 2;
var tagType = (int)id & 0xF000;
if (tagType == 0x7000)
{
//lists look like:
//tag
//length
//data ('length' bytes long)
var size = BitConverter.ToInt32(rawBytes, index);
index += 4;
var buff = new byte[size];
Buffer.BlockCopy(rawBytes, index, buff, 0, size);
var c = new Chunk(id, buff, index - 2 - 4);
var l = new SdbEntryList(id, buff, index - 2 - 4);
foreach (var sdbEntry in c.Children)
{
if (!(sdbEntry is SdbEntryList))
{
sdbEntry.Offset += 4;
}
l.Children.Add(sdbEntry);
}
Children.Add(l);
index += size;
}
else
{
throw new Exception(
$"Unexpected Tag type '0x{tagType:X4}'! Please send this sdb file to [email protected] so suppoprt can be added!");
}
}
}
