public static string ConvertToString(ByteOrd fCSByteOrd)
{
switch (fCSByteOrd)
{
case ByteOrd.LittleEndian:
return(LittleEndian);
case ByteOrd.BigEndian:
return(BigEndian);
default:
return(string.Empty);
}
}
/// <summary>
/// 解析数据段
/// </summary>
/// <param name="stream">可读取的流</param>
/// <param name="fileBeginOffset">此数据集相对于文件起点的位置</param>
/// <param name="dataBegin">数据段开始位置，相对于数据集起点位置</param>
/// <param name="dataEnd">数据段结束位置，相对于数据集起点位置</param>
/// <param name="measurements">通道集合</param>
/// <param name="tot">每个通道的数据量</param>
/// <param name="dataType">数据集的数据类型,整个数据集的默认数据类型</param>
/// <param name="byteOrd">字节排序方式</param>
protected virtual void AnalyseData(Stream stream, long fileBeginOffset, long dataBegin, long dataEnd, IList <Measurement> measurements, uint tot, DataType dataType, ByteOrd byteOrd)
{
if (measurements == null)
{
throw new Exception("Measurement list object is null");
}
if (dataType == DataType.Unknown)
{
throw new Exception("FCS datatype is not supported");
}
if (stream.Length < (fileBeginOffset + dataEnd))
{
throw new Exception("Stream length is not enough");
}
stream.Seek(fileBeginOffset + dataBegin, SeekOrigin.Begin);
for (uint i = 0; i < tot; i++)
{
foreach (var item in measurements)
{
byte[] bytes = new byte[item.PnBByteLength];
if (item.PnBByteLength != stream.Read(bytes, 0, item.PnBByteLength))
{
throw new Exception("Read data segment failed,stream length is not enough");
}
item.AddOneValue(bytes, byteOrd);
}
}
}
