public static ChunkyChunk ReadChunkyChunk(byte[] chunkBytes, string parentID)
{
MemoryStream ms = new MemoryStream(chunkBytes, false);
RelicBinaryReader br = new RelicBinaryReader(ms);
string type = br.ReadString(0,4);
string id = br.ReadString(4);
int version = br.ReadInt32();
int dataLength = br.ReadInt32();
int nameLength = br.ReadInt32();
string name = br.ReadString(nameLength);
byte[] innerData = br.ReadBytes(dataLength);
if (type=="FOLD")
{
return new ChunkyFolder(id, version, name, innerData);
}
else if (type=="DATA")
{
return CreateChunkyChunk(id, parentID, version, name, innerData);
}
else
{
throw new InvalidChunkException("Chunk was not of type FOLD or DATA");
}
}
public static ChunkyCollection ReadChunkyChunks(byte[] chunkBytes)
{
MemoryStream ms = new MemoryStream(chunkBytes, false);
RelicBinaryReader br = new RelicBinaryReader(ms);
remaining = new byte[0];
int pos = 0;
int fileLength = chunkBytes.Length;
ChunkyCollection col = new ChunkyCollection();
while (pos<fileLength && (fileLength-pos)>20)
//check that there's a reasonable amount remaining so that the app doesn't choke on the extra bytes
//added to the end of files like Relic's Chunky Viewer does on SpookyRAT extracted files
{
string type = br.ReadString(4);
if (type == "FOLD" || type=="DATA")
{
string id = br.ReadString(4);
int version = br.ReadInt32();
int dataLength = br.ReadInt32();
int nameLength = br.ReadInt32();
string name = br.ReadString(nameLength);
byte[] innerData = br.ReadBytes(dataLength);
if (type == "FOLD")
{
col.Add(new ChunkyFolder(id, version, name, innerData));
}
else
{
col.Add(CreateChunkyChunk(id, "", version, name, innerData));
}
pos+= dataLength+nameLength+20;
}
else if (type == "Reli")
{
br.BaseStream.Seek(-4, SeekOrigin.Current);
remaining = br.ReadBytes((int)(br.BaseStream.Length - br.BaseStream.Position));
//we've hit another chunk, so stop the reading
break;
}
else if (type=="")
{
//HACK: drop out with REC files rather than exceptioning, as the trailing info doesn't seem to be Chunkified
remaining = br.ReadBytes((int)(br.BaseStream.Length - br.BaseStream.Position));
break;
}
else
{
throw new InvalidChunkException("Chunk was not of type FOLD or DATA");
}
}
return col;
}
