public object ReadExt(uint length, FormatReader reader)
{
// Timestamp 32
if (length == 4)
{
return(epoch.AddSeconds(reader.ReadUInt32()).ToLocalTime());
}
// Timestamp 64
if (length == 8)
{
byte[] buffer = reader.ReadBytesOfLength(8);
uint nanoseconds = ((uint)buffer[0] << 22) | ((uint)buffer[1] << 14) | ((uint)buffer[2] << 6) | (uint)buffer[3] >> 2;
ulong seconds = ((ulong)(buffer[3] & 0x3) << 32) | ((ulong)buffer[4] << 24) | ((ulong)buffer[5] << 16) | ((ulong)buffer[6] << 8) | (ulong)buffer[7];
return(epoch.AddTicks(nanoseconds / 100).AddSeconds(seconds).ToLocalTime());
}
// Timestamp 96
if (length == 12)
{
return(epoch.AddTicks(reader.ReadUInt32() / 100).AddSeconds(reader.ReadInt64()).ToLocalTime());
}
throw new FormatException();
}
