public bool TryGetParameterWithNameIgnoringHeader(string name, out ParameterOption matchingParamerter)
{
string paramName = name.TrimStart(ParameterHeader);
matchingParamerter = Parameters.FirstOrDefault(x => string.Equals(x.Name, paramName, StringComparison.OrdinalIgnoreCase));
return(matchingParamerter != null);
}
private ParseCommandLineResult ParseCommandLineResultFromParameters(Command knownCommand, IImmutableList <string> parameters)
{
var valuedParameters = new List <(ParameterOption Param, string Value)>();
var flaggedParameters = new List <ParameterOption>();
var possibleNextParameters = new List <string>();
string remainingText = string.Empty;
int i = 0;
while (i < parameters.Count)
{
bool grabbedParamValue = false;
var paramName = parameters[i];
if (knownCommand.TryGetParameterWithNameIgnoringHeader(paramName, out ParameterOption knownParam))
{
//Then we already know about this param
if (knownParam.TakesInputValue)
{
grabbedParamValue = PullOutValuedParameter(parameters, valuedParameters, i, grabbedParamValue, knownParam);
}
else
{
flaggedParameters.Add(knownParam);
}
}
else
{
//We don't know about the parameter with the name.
// Maybe someone forgot about it in the list, or user hasn't typed in the full text because it at the end.
if (IndexIsForLastParameter(i, parameters))
{
//If we're on the last param value user is probably mid-way through typing it
remainingText = paramName;
var parametersAlreadyUsed = valuedParameters.Select(x => x.Param).Concat(flaggedParameters).ToImmutableList();
possibleNextParameters = knownCommand.GetPossibleParametersThatStartWith(remainingText, parametersAlreadyUsed).Select(x => x.Name).ToList();
}
else
{
//Since it's not last, this is a parameter we don't know about
// Default to assuming it takes a value and isn't a flag
paramName = paramName.TrimStart(knownCommand.ParameterHeader);
knownParam = new ParameterOption(paramName, true, "Unknown Parameter");
grabbedParamValue = PullOutValuedParameter(parameters, valuedParameters, i, grabbedParamValue, knownParam);
}
}
i += grabbedParamValue ? 2 : 1;
}
return(new ParseCommandLineResult(knownCommand,
flaggedParameters,
valuedParameters,
remainingText,
possibleNextParameters));
}
