internal ArgumentParseFailedResult(Command command, ArgumentParserResult argumentParseResult)
{
Command = command;
Parameter = argumentParseResult.Parameter;
RawArguments = argumentParseResult.RawArguments;
Arguments = argumentParseResult.Arguments;
ArgumentParserFailure = argumentParseResult.ArgumentParserFailure ?? throw new ArgumentException("Argument parser failure must not be null.", nameof(argumentParseResult));
Position = argumentParseResult.FailurePosition;
switch (argumentParseResult.ArgumentParserFailure)
{
case ArgumentParserFailure.UnclosedQuote:
Reason = "A quotation mark was left unclosed.";
break;
case ArgumentParserFailure.UnexpectedQuote:
Reason = "Encountered an unexpected quotation mark.";
break;
case ArgumentParserFailure.NoWhitespaceBetweenArguments:
Reason = "Whitespace is required between arguments.";
break;
case ArgumentParserFailure.TooFewArguments:
var missingParameters = Command.Parameters.SkipWhile(x => x != Parameter).Where(x => !x.IsOptional).Select(x => $"'{x}'").ToImmutableArray();
Reason = $"Required {(missingParameters.Length == 1 ? "parameter" : "parameters")} " +
$"{string.Join(", ", missingParameters)} {(missingParameters.Length == 1 ? "is" : "are")} missing.";
break;
case ArgumentParserFailure.TooManyArguments:
Reason = "Too many arguments provided.";
break;
}
}
internal ArgumentParseFailedResult(CommandContext context, ArgumentParserResult parserResult)
{
Command = context.Command;
RawArguments = context.RawArguments;
ParserResult = parserResult;
_lazyReason = new Lazy <string>(() => parserResult.GetFailureReason(), true);
}