public override ValidationResult Validate(object value, CultureInfo cultureInfo)
{
try
{
string inputText = value as string;
(var seq, string error) = SequenceGrammar.Parse(inputText);
return(new ValidationResult(seq != null && string.IsNullOrEmpty(error), error));
}
catch (Exception ex)
{
return(new ValidationResult(false, ex.Message));
}
}
public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
{
string inputText = value as string;
if (inputText != null)
{
(var seq, string error) = SequenceGrammar.Parse(inputText);
if (seq != null)
{
return(seq);
}
}
return(null);
}
