protected void ReadHeaderInfo()
{
Debug.Assert(FileHandle != null, DataFileConsts.DataFileIsNotOpen);
FileInfo = null;
// ReSharper disable PossibleNullReferenceException
FileInfo.StrictChecking = StrictChecking;
// ReSharper restore PossibleNullReferenceException
EdfFileInfoRaw tmpFileInfo = new EdfFileInfoRaw();
if (FileSize < 255)
{
tmpFileInfo.Version = string.Empty;
tmpFileInfo.Patient = string.Empty;
tmpFileInfo.Recording = string.Empty;
tmpFileInfo.StartDate = string.Empty;
tmpFileInfo.StartTime = string.Empty;
tmpFileInfo.HeaderBytes = string.Empty;
tmpFileInfo.Reserved = string.Empty;
tmpFileInfo.NrDataRecords = string.Empty;
tmpFileInfo.SampleRecDuration = string.Empty;
tmpFileInfo.NrSignals = string.Empty;
}
else
{
lock (FileAccess)
{
FileHandle.Seek(0, SeekOrigin.Begin);
tmpFileInfo.Version = ReadStringField(8);
tmpFileInfo.Patient = ReadStringField(80);
tmpFileInfo.Recording = ReadStringField(80);
tmpFileInfo.StartDate = ReadStringField(8);
tmpFileInfo.StartTime = ReadStringField(8);
tmpFileInfo.HeaderBytes = ReadStringField(8);
tmpFileInfo.Reserved = ReadStringField(44);
tmpFileInfo.NrDataRecords = ReadStringField(8);
tmpFileInfo.SampleRecDuration = ReadStringField(8);
tmpFileInfo.NrSignals = ReadStringField(4);
}
}
FileInfo.FileInfoRecord = tmpFileInfo;
if (FileInfo.FieldValid[(int)EdfFileInfoBase.Field.NrSignals])
{
FileInfo.DataExists = (FileSize > (FileInfo.NrSignals + 1) * 256);
}
else
{
FileInfo.DataExists = false;
}
}
/// <summary>
/// Copies the information from sourceInfo
/// </summary>
/// <param name="sourceInfo">The source info.</param>
/// <param name="allFields">if set to <c>true</c> all fields are copied; otherwise the fields NrSignal, HeaderBytes and NrDataRecords are ignored.</param>
public void CopyFrom(EdfFileInfoRaw sourceInfo, bool allFields = false)
{
EdfFileInfoRaw tmpInfo = sourceInfo.Clone() as EdfFileInfoRaw;
if (tmpInfo == null)
{
throw new EdfException("Unable to clone file info.");
}
if (!allFields)
{
tmpInfo.NrSignals = NrSignals.ToString();
tmpInfo.HeaderBytes = HeaderBytes.ToString();
tmpInfo.NrDataRecords = NrDataRecords.ToString();
}
FileInfoRecord = tmpInfo;
Modified = true;
}
/// <summary>
/// Copies the information from sourceInfo
/// </summary>
/// <param name="sourceInfo">The source info.</param>
/// <param name="allFields">if set to <c>true</c> all fields are copied; otherwise the fields NrSignal, HeaderBytes and NrDataRecords are ignored.</param>
public void CopyFrom(EdfFileInfoRaw sourceInfo, bool allFields = false)
{
EdfFileInfoRaw tmpInfo = sourceInfo.Clone() as EdfFileInfoRaw;
if (tmpInfo == null)
throw new EdfException("Unable to clone file info.");
if (!allFields)
{
tmpInfo.NrSignals = NrSignals.ToString();
tmpInfo.HeaderBytes = HeaderBytes.ToString();
tmpInfo.NrDataRecords = NrDataRecords.ToString();
}
FileInfoRecord = tmpInfo;
Modified = true;
}
protected void ReadHeaderInfo()
{
Debug.Assert(FileHandle != null, DataFileConsts.DataFileIsNotOpen);
FileInfo = null;
// ReSharper disable PossibleNullReferenceException
FileInfo.StrictChecking = StrictChecking;
// ReSharper restore PossibleNullReferenceException
EdfFileInfoRaw tmpFileInfo = new EdfFileInfoRaw();
if (FileSize < 255)
{
tmpFileInfo.Version = string.Empty;
tmpFileInfo.Patient = string.Empty;
tmpFileInfo.Recording = string.Empty;
tmpFileInfo.StartDate = string.Empty;
tmpFileInfo.StartTime = string.Empty;
tmpFileInfo.HeaderBytes = string.Empty;
tmpFileInfo.Reserved = string.Empty;
tmpFileInfo.NrDataRecords = string.Empty;
tmpFileInfo.SampleRecDuration = string.Empty;
tmpFileInfo.NrSignals = string.Empty;
}
else
{
lock (FileAccess)
{
FileHandle.Seek(0, SeekOrigin.Begin);
tmpFileInfo.Version = ReadStringField(8);
tmpFileInfo.Patient = ReadStringField(80);
tmpFileInfo.Recording = ReadStringField(80);
tmpFileInfo.StartDate = ReadStringField(8);
tmpFileInfo.StartTime = ReadStringField(8);
tmpFileInfo.HeaderBytes = ReadStringField(8);
tmpFileInfo.Reserved = ReadStringField(44);
tmpFileInfo.NrDataRecords = ReadStringField(8);
tmpFileInfo.SampleRecDuration = ReadStringField(8);
tmpFileInfo.NrSignals = ReadStringField(4);
}
}
FileInfo.FileInfoRecord = tmpFileInfo;
if (FileInfo.FieldValid[(int)EdfFileInfoBase.Field.NrSignals])
FileInfo.DataExists = (FileSize > (FileInfo.NrSignals + 1) * 256);
else
FileInfo.DataExists = false;
}