public override object ConvertFrom(ITypeDescriptorContext context, CultureInfo culture, object value)
{
// Normalize value.
switch (value)
{
case int i:
value = (long)i;
break;
}
// Convert.
switch (value)
{
case string s:
try
{
return(TokenAmount.Parse(s));
}
catch (Exception ex) when(ex is FormatException || ex is OverflowException)
{
throw new NotSupportedException($"Cannot convert {s} to {typeof(TokenAmount)}.", ex);
}
case long n:
return(new TokenAmount(n));
case decimal d:
try
{
return(TokenAmount.FromDivisible(d));
}
catch (ArgumentException ex)
{
throw new NotSupportedException($"Cannot convert {d} to {typeof(TokenAmount)}.", ex);
}
default:
throw new NotSupportedException(
$"Don't know how to convert {value.GetType()} to {typeof(TokenAmount)}.");
}
}
public static void SerializeTokenAmount(IBufferWriter <byte> writer, TokenAmount value)
{
BinaryPrimitives.WriteInt64BigEndian(writer.GetSpan(8), value.Value);
writer.Advance(8);
}