void CheckSaturation(Option option)
{
bool minimalSaturation = option.ArgumentsCount >= option.Arity.MinimalOccurs;
if (!minimalSaturation)
{
throw new RequiredArgumentIsMissingException(option.Switches.First());
}
}
void ParseOption(Token token)
{
lastOption = GetOptionByToken(token);
Token nextToken = tokens.NextToken();
if (nextToken == null)
{
CheckSaturation(lastOption);
lastOption.AddArgumentValue("true");
ParsedOption.Add(lastOption);
}
else if (nextToken is OptionToken)
{
CheckSaturation(lastOption);
lastOption.AddArgumentValue("true");
ParsedOption.Add(lastOption);
ParseOption(nextToken);
}
else if (nextToken is ArgumentToken)
{
if (IsFullSaturated(lastOption))
{
ParseOptionArguments(nextToken);
}
else
{
lastOption.AddArgumentValue("true");
ParsedOption.Add(lastOption);
ParseParameters(nextToken);
}
}
else if (nextToken is TreatAsArgumentToken)
{
CheckSaturation(lastOption);
lastOption.AddArgumentValue("true");
ParsedOption.Add(lastOption);
ParseParameters(tokens.NextToken());
}
}
bool IsFullSaturated(Option option)
{
bool minimalSaturation = lastOption.ArgumentsCount >= lastOption.Arity.MinimalOccurs;
bool maximalSaturation = lastOption.ArgumentsCount >= lastOption.Arity.MaximalOccurs;
return (!minimalSaturation || (minimalSaturation && !maximalSaturation));
}
public void Option(Option option)
{
_options.Add(option);
}