protected int ReadTALs(object sender, int blockNr, ref bool readOk)
{
int result = -1;
if (Active)
{
if ((blockNr >= 0) && (blockNr < FileInfo.NrDataRecords))
{
try
{
// Add a new block to TAL if necessary, set onset to NAN
TAL.AddBlock(blockNr, double.NaN); // To avoid recursive calls by ReadDataBlock
DoReadDataBlock(blockNr, ref _talDataBuffer);
DoReadTALs(blockNr, _talDataBuffer, ref readOk);
result = blockNr;
}
catch { }
}
if (result < 0)
{
readOk = false;
result = FileInfo.NrDataRecords;
}
}
return(result);
}
public void WriteDataBlock(int blockNr, double onset)
{
base.WriteDataBlock(blockNr);
Debug.Assert(DataBuffer == null, "Object is not initialized");
if (blockNr == 0)
{
if ((onset < 0) || (onset >= 1))
{
throw new DataFileInvalidBlock0OnsetException(DataFileConsts.DataFileInvalidBlock0Onset);
}
FileInfo.FirstDataBlockOnset = onset;
}
if (FileInfo.SignalDataIsContinuous && (FileInfo.FirstDataBlockOnset + blockNr * FileInfo.SampleRecDuration != onset))
{
throw new DataFileContinuousException(DataFileConsts.DataFileContinuous);
}
TAL.AddBlock(blockNr, onset); // overwrites offset if block already exists
// Write data to file
if (!DoWriteDataBlock(blockNr, DataBuffer))
{
throw new DataFileWriteDataException(DataFileConsts.DataFileWriteData);
}
}
public override void WriteDataBlock(int blockNr)
{
base.WriteDataBlock(blockNr);
Debug.Assert(DataBuffer != null, "Object is not initialized");
// Update TAL list
if (!TAL.BlockInMemory(blockNr))
{
if (!FileInfo.SignalDataIsContinuous)
{
throw new DataFileNotContinuousException(DataFileConsts.DataFileNotContinuous);
}
TAL.AddBlock(blockNr, blockNr * FileInfo.SampleRecDuration);
if (blockNr == 0)
{
FileInfo.FirstDataBlockOnset = 0;
}
}
// Write data to file
if (!DoWriteDataBlock(blockNr, DataBuffer))
{
throw new DataFileWriteDataException(DataFileConsts.DataFileWriteData);
}
}