public static T GetValueOrDefault <T>(this CommandResult commandResult)
{
var conversionResult = commandResult.ArgumentConversionResults
.SingleOrDefault() ??
ArgumentConversionResult.None(commandResult.ArgumentConversionResult.Argument);
return(conversionResult
.ConvertIfNeeded(commandResult, typeof(T))
.GetValueOrDefault <T>());
}
internal static ArgumentConversionResult?Validate(
SymbolResult symbolResult,
Argument argument,
int minimumNumberOfValues,
int maximumNumberOfValues)
{
var argumentResult = symbolResult switch
{
ArgumentResult a => a,
_ => symbolResult.Root !.FindResultFor(argument)
};
var tokenCount = argumentResult?.Tokens.Count ?? 0;
if (tokenCount < minimumNumberOfValues)
{
if (symbolResult.UseDefaultValueFor(argument))
{
return(null);
}
return(ArgumentConversionResult.Failure(
argument,
symbolResult.LocalizationResources.RequiredArgumentMissing(symbolResult),
ArgumentConversionResultType.FailedMissingArgument));
}
if (tokenCount > maximumNumberOfValues)
{
if (symbolResult is OptionResult optionResult)
{
if (!optionResult.Option.AllowMultipleArgumentsPerToken)
{
return(ArgumentConversionResult.Failure(
argument,
symbolResult !.LocalizationResources.ExpectsOneArgument(symbolResult),
ArgumentConversionResultType.FailedTooManyArguments));
}
}
}
return(null);
}
