internal static FailedArgumentConversionArityResult?Validate(
SymbolResult symbolResult,
IArgument 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(new MissingArgumentConversionResult(
argument,
symbolResult.ValidationMessages.RequiredArgumentMissing(symbolResult)
));
}
if (tokenCount > maximumNumberOfValues)
{
return(new TooManyArgumentsConversionResult(
argument,
symbolResult !.ValidationMessages.ExpectsOneArgument(symbolResult)
));
}
return(null);
}
internal static FailedArgumentConversionArityResult Validate(
ArgumentResult argumentResult) =>
Validate(argumentResult.Parent,
argumentResult.Argument,
argumentResult.Argument.Arity.MinimumNumberOfValues,
argumentResult.Argument.Arity.MaximumNumberOfValues);
