private static IEnumerable <byte> Serialize(DataField field)
{
var fieldData = field.GetData();
if (fieldData is ISemanticType)
{
fieldData = ((ISemanticType)fieldData).GetValue();
}
if (fieldData == null)
{
return(new byte[0]);
}
else if (fieldData is Enum)
{
int nBitSize = fieldData.GetType().GetTypeInfo().
GetCustomAttribute <EnumBitSizeAttribute>()?.BitSize ?? 32;
switch (nBitSize)
{
case 8:
return(new byte[] { (byte)(fieldData) });
case 16:
return(BitConverter.GetBytes((UInt16)(fieldData)));
case 64:
return(BitConverter.GetBytes((UInt64)(fieldData)));
case 32:
return(BitConverter.GetBytes((UInt32)(fieldData)));
}
}
else if (fieldData is byte[])
{
return((byte[])fieldData);
}
else if (fieldData is bool)
{
return(new byte[] { ((bool)fieldData) ? (byte)1 : (byte)0 });
}
else if (fieldData is string)
{
string strValue = string.Format("{0}", fieldData);
strValue = strValue.Substring(0, Math.Min(strValue.Length, field.ByteLength));
byte[] byRet = Encoding.ASCII.GetBytes(strValue);
if (byRet.Length != field.ByteLength)
{
Array.Resize(ref byRet, field.ByteLength);
}
return(byRet);
}
else if (fieldData is UInt16)
{
return(BitConverter.GetBytes((UInt16)fieldData));
}
else if (fieldData is UInt32)
{
return(BitConverter.GetBytes((UInt32)fieldData));
}
else if (fieldData is UInt64)
{
return(BitConverter.GetBytes((UInt64)fieldData));
}
else if (fieldData is Int16)
{
return(BitConverter.GetBytes((Int16)fieldData));
}
else if (fieldData is Int32)
{
return(BitConverter.GetBytes((Int32)fieldData));
}
else if (fieldData is Int64)
{
return(BitConverter.GetBytes((Int64)fieldData));
}
throw new NotImplementedException();
}
