private void ReadCompressionHeader(BinaryReader reader)
{
string signature = reader.ReadString(4);
if (signature != DcpSignature)
{
throw new Exception("Signature was not DCP");
}
signature = reader.ReadString(4);
if (signature != DeflateCompression.DeflateSignature)
{
throw new NotImplementedException($"Compression not implemented ({signature}) ");
}
Compression = DeflateCompression.Read(reader);
signature = reader.ReadString(4);
if (signature != DcaSignature)
{
throw new Exception("Signature was not DCA");
}
int dcaHeaderSize = reader.ReadInt32();
if (dcaHeaderSize != DcaHeaderSize)
{
throw new Exception("Unsupported DCA header size.");
}
}
public static DeflateCompression Read(BinaryReader reader)
{
DeflateCompression result = new DeflateCompression();
int headerSize = reader.ReadInt32();
result.Level = reader.ReadInt32();
reader.Skip(16);
return(result);
}
