protected virtual void DoCreateNewFile(int nrSignals, bool overwrite)
{
Debug.Assert((nrSignals > 0), EdfConstants.NrSignalsShouldBeMoreThan0);
if (Active)
{
throw new DataFileIsOpenException(DataFileConsts.DataFileIsOpen);
}
if (!UseMemoryStream)
{
if (FileName.Trim() == string.Empty)
{
throw new DataFileException(EdfConstants.NoFileName);
}
if (File.Exists(FileName))
{
if (!overwrite)
{
throw new DataFileExistsException(DataFileConsts.DataFileDataExists);
}
File.Delete(FileName);
}
}
OpenReadOnly = false;
FileInfo = null;
SignalInfo.Clear();
Creating = true;
}
protected virtual void ReadSignalInfo()
{
Debug.Assert(FileHandle != null, DataFileConsts.DataFileIsNotOpen);
SignalInfo.Clear();
int dummy;
if (FileInfo.FieldValid[(int)EdfFileInfoBase.Field.NrSignals] ||
int.TryParse(FileInfo.EdfFileInfoRaw.NrSignals.Trim(), out dummy))
{
List <EdfSignalInfoRaw> tmpSignalInfo = new List <EdfSignalInfoRaw>();
for (int i = 0; i < FileInfo.NrSignals; i++)
{
EdfSignalInfoBase newSignalDef = CreateSignalInfo();
newSignalDef.StrictChecking = StrictChecking;
SignalInfo.Add(newSignalDef);
tmpSignalInfo.Add(new EdfSignalInfoRaw());
}
if (FileSize >= (FileInfo.NrSignals + 1) * 256)
{
lock (FileAccess)
{
FileHandle.Seek(256, SeekOrigin.Begin);
for (int i = 0; i < FileInfo.NrSignals; i++)
{
tmpSignalInfo[i].SignalLabel = ReadStringField(16);
}
for (int i = 0; i < FileInfo.NrSignals; i++)
{
tmpSignalInfo[i].TransducerType = ReadStringField(80);
}
for (int i = 0; i < FileInfo.NrSignals; i++)
{
tmpSignalInfo[i].PhysiDim = ReadStringField(8);
}
for (int i = 0; i < FileInfo.NrSignals; i++)
{
tmpSignalInfo[i].PhysiMin = ReadStringField(8);
}
for (int i = 0; i < FileInfo.NrSignals; i++)
{
tmpSignalInfo[i].PhysiMax = ReadStringField(8);
}
for (int i = 0; i < FileInfo.NrSignals; i++)
{
tmpSignalInfo[i].DigiMin = ReadStringField(8);
}
for (int i = 0; i < FileInfo.NrSignals; i++)
{
tmpSignalInfo[i].DigiMax = ReadStringField(8);
}
for (int i = 0; i < FileInfo.NrSignals; i++)
{
tmpSignalInfo[i].PreFilter = ReadStringField(80);
}
for (int i = 0; i < FileInfo.NrSignals; i++)
{
tmpSignalInfo[i].NrSamples = ReadStringField(8);
}
for (int i = 0; i < FileInfo.NrSignals; i++)
{
tmpSignalInfo[i].Reserved = ReadStringField(32);
}
}
for (int i = 0; i < FileInfo.NrSignals; i++)
{
SignalInfo[i].SignalInfoRecord = tmpSignalInfo[i];
SignalInfo[i].DataExists = FileInfo.DataExists;
}
}
CalculateDataBlockSize();
}
}
