public static DataGroupBlock Read(Mdf mdf, Stream stream, uint position)
{
stream.Position = position;
var block = new DataGroupBlock(mdf);
block.Read(stream);
block.stream = stream;
var data = new byte[block.Size - 4];
var read = stream.Read(data, 0, data.Length);
if (read != data.Length)
{
throw new FormatException();
}
block.nextBlock = null;
block.Trigger = null;
block.Reserved = 0;
block.ptrNextDataGroup = BitConverter.ToUInt32(data, 0);
block.ptrFirstChannelGroupBlock = BitConverter.ToUInt32(data, 4);
block.ptrTriggerBlock = BitConverter.ToUInt32(data, 8);
block.ptrDataBlock = BitConverter.ToUInt32(data, 12);
block.NumChannelGroups = BitConverter.ToUInt16(data, 16);
block.NumRecordIds = BitConverter.ToUInt16(data, 18);
if (data.Length >= 24)
{
block.Reserved = BitConverter.ToUInt32(data, 20);
}
if (block.ptrFirstChannelGroupBlock != 0)
{
block.ChannelGroups.Read(ChannelGroupBlock.Read(mdf, stream, block.ptrFirstChannelGroupBlock));
}
/// TODO: Call Trigger Blocks
//if (m_ptrTriggerBlock != 0)
//{
// Mdf.Data.Position = m_ptrTriggerBlock;
// Trigger = new TriggerBlock(mdf);
//}
/// TODO: Call ProgramsBlock ?
//if (ptrProgramBlock != 0)
//{
// Mdf.Data.Position = ptrProgramBlock;
// ProgramBlock = new ProgramBlock(mdf);
//}
return(block);
}
public DataRecord(ChannelGroupBlock channelGroup, byte[] data)
{
ChannelGroup = channelGroup;
Data = data;
}
