internal static Datatype Read(
Hdf5Reader aReader,
long?aLocalMessageSize,
out long aBytes)
{
if (aLocalMessageSize.HasValue && aLocalMessageSize.Value < DatatypeHeader.HeaderSize)
{
throw new ArgumentException("Specified Local Message Size not long enough");
}
DatatypeHeader
fHeader = DatatypeHeader.Read(aReader);
Datatype
fMessage;
long
fAdditionalBytes;
long?
fBodySize = aLocalMessageSize.HasValue
? (long?)aLocalMessageSize.Value - DatatypeHeader.HeaderSize
: null;
switch (fHeader.Class)
{
case DatatypeClass.FixedPoint:
fMessage = FixedPointDataType.ReadMessage(
fHeader,
aReader,
fBodySize,
out fAdditionalBytes);
break;
case DatatypeClass.FloatingPoint:
fMessage = FloatingPointDataType.ReadMessage(
fHeader,
aReader,
fBodySize,
out fAdditionalBytes);
break;
case DatatypeClass.Time:
fMessage = TimeDataType.ReadMessage(
fHeader,
aReader,
fBodySize,
out fAdditionalBytes);
break;
case DatatypeClass.String:
fMessage = StringDataType.ReadMessage(
fHeader,
aReader,
fBodySize,
out fAdditionalBytes);
break;
case DatatypeClass.BitField:
fMessage = BitFieldDataType.ReadMessage(
fHeader,
aReader,
fBodySize,
out fAdditionalBytes);
break;
case DatatypeClass.Opaque:
fMessage = OpaqueDataType.ReadMessage(
fHeader,
aReader,
fBodySize,
out fAdditionalBytes);
break;
case DatatypeClass.Array:
fMessage = ArrayDataType.ReadMessage(
fHeader,
aReader,
fBodySize,
out fAdditionalBytes);
break;
default:
// We shoudl never git her, as header parsing should check
// for known versions of the header
throw new Exception("Unexpected Version Type");
}
aBytes = DatatypeHeader.HeaderSize + fAdditionalBytes;
return(fMessage);
}
