private IEnumerable <T> ReadChannelData <T>(BinaryReader binReader, DATChannelDataTypes channelDataType, int bitSize, long startPosition, long valueCount)
{
binReader.BaseStream.Position = (bitSize / 8) * (long)(startPosition - 1);
for (int i = 0; i < valueCount; i++)
{
switch (channelDataType)
{
case DATChannelDataTypes.INT16:
yield return((T)Convert.ChangeType(binReader.ReadInt16(), typeof(T)));
break;
case DATChannelDataTypes.INT32:
yield return((T)Convert.ChangeType(binReader.ReadInt32(), typeof(T)));
break;
case DATChannelDataTypes.REAL32:
yield return((T)Convert.ChangeType(binReader.ReadSingle(), typeof(T)));
break;
case DATChannelDataTypes.REAL64:
yield return((T)Convert.ChangeType(binReader.ReadDouble(), typeof(T)));
break;
default:
throw new NotImplementedException();
}
}
}
/// <summary>
/// returns the matching channel content type.
/// returns <see cref="CommonChannelDataTypes.DIAdemFileSpecific"/> if no DIAdem common type is stored in this channel
/// </summary>
/// <param name="dataTypes">type to be mapped</param>
/// <returns></returns>
public static CommonChannelDataTypes ToCommonChannelDataType(this DATChannelDataTypes dataTypes)
{
switch (dataTypes)
{
case DATChannelDataTypes.INT16:
return(CommonChannelDataTypes.Int16);
case DATChannelDataTypes.INT32:
return(CommonChannelDataTypes.Int32);
case DATChannelDataTypes.REAL32:
return(CommonChannelDataTypes.Single);
case DATChannelDataTypes.REAL64:
return(CommonChannelDataTypes.Double);
case DATChannelDataTypes.WORD32:
return(CommonChannelDataTypes.String);
case DATChannelDataTypes.WORD16:
return(CommonChannelDataTypes.String);
default:
return(CommonChannelDataTypes.DIAdemFileSpecific);
}
}
public static int GetBitSize(this DATChannelDataTypes dataType)
{
switch (dataType)
{
case DATChannelDataTypes.ASCII:
return(8);
case DATChannelDataTypes.INT16:
return(16);
case DATChannelDataTypes.INT32:
return(32);
case DATChannelDataTypes.MSREAL32:
return(32);
case DATChannelDataTypes.REAL32:
return(32);
case DATChannelDataTypes.REAL48:
return(48);
case DATChannelDataTypes.REAL64:
return(64);
case DATChannelDataTypes.TWOC12:
return(12);
case DATChannelDataTypes.TWOC16:
return(16);
case DATChannelDataTypes.WORD8:
return(8);
case DATChannelDataTypes.WORD16:
return(16);
case DATChannelDataTypes.WORD32:
return(32);
default:
throw new NotImplementedException($"{nameof(DATChannelDataTypes)}-Enum Value {dataType} not supported.");
}
}