private static ModelException CreateStreamDescriptorException(IStreamedParameter parameter, Exception ex)
{
const string Format =
"A stream entry for the parameter with the path {0} is incompatible, see inner exception for more information.";
return(new ModelException(string.Format(CultureInfo.InvariantCulture, Format, parameter.GetPath()), ex));
}
private static object BitConvert(IStreamedParameter parameter, byte[] rawArray)
{
var descriptor = parameter.StreamDescriptor.GetValueOrDefault();
int offset;
var array = GetArray(descriptor, rawArray, out offset);
try
{
switch (descriptor.Format)
{
case StreamFormat.Byte:
return((long)array[offset]);
case StreamFormat.UInt16BigEndian:
case StreamFormat.UInt16LittleEndian:
return((long)BitConverter.ToUInt16(array, offset));
case StreamFormat.UInt32BigEndian:
case StreamFormat.UInt32LittleEndian:
return((long)BitConverter.ToUInt32(array, offset));
case StreamFormat.UInt64BigEndian:
case StreamFormat.UInt64LittleEndian:
return(unchecked ((long)BitConverter.ToUInt64(array, offset)));
case StreamFormat.SByte:
return((long)unchecked ((sbyte)array[offset]));
case StreamFormat.Int16BigEndian:
case StreamFormat.Int16LittleEndian:
return((long)BitConverter.ToInt16(array, offset));
case StreamFormat.Int32BigEndian:
case StreamFormat.Int32LittleEndian:
return((long)BitConverter.ToInt32(array, offset));
case StreamFormat.Int64BigEndian:
case StreamFormat.Int64LittleEndian:
return(BitConverter.ToInt64(array, offset));
case StreamFormat.Float32BigEndian:
case StreamFormat.Float32LittleEndian:
return((double)BitConverter.ToSingle(array, offset));
default:
return(BitConverter.ToDouble(array, offset));
}
}
catch (ArgumentException ex)
{
throw CreateStreamDescriptorException(parameter, ex);
}
catch (IndexOutOfRangeException ex)
{
throw CreateStreamDescriptorException(parameter, ex);
}
}
private static object ExtractValue(IStreamedParameter parameter, object rawValue)
{
if (parameter.StreamDescriptor.HasValue)
{
var rawArray = rawValue as byte[];
if (rawArray == null)
{
const string Format =
"Read stream value {0} while expecting to read an octetstring for the parameter with the path {1}.";
throw new ModelException(
string.Format(CultureInfo.InvariantCulture, Format, rawValue, parameter.GetPath()));
}
return(BitConvert(parameter, rawArray));
}
else
{
return(rawValue);
}
}
