/// <summary>
/// Registers the unique switch with the parser.
/// </summary>
/// <exception cref="ArgumentException">Switch cannot be null.</exception>
public void AddSwitch(CommandSwitch sw)
{
if (sw == null)
{
throw new ArgumentException("Switch cannot be null.");
}
_switches.Add(sw);
}
internal void AddSwitch(CommandSwitch csw)
{
if (_switches == null)
{
_switches = new List <ParseResultSwitch.Builder>();
}
var found = _switches.Find(x => x.csw == csw);
if (found == null)
{
_last = new ParseResultSwitch.Builder(csw);
_switches.Add(_last);
}
else
{
_last = found;
}
}
private void AddStringSwitch(ref PathSplit psp, string value, string arg, ParseResult.Builder result)
{
CommandSwitch sw = FindSwitchIdentifiedBy(value);
if (sw == null)
{
throw new InvalidInput("Invalid switch: " + value);
}
if (arg != null)
{
if (sw.arity != Arity.NoneOrOne)
{
throw new InvalidInput($"Switch {value} has argument, which is not allowed for the given switch.");
}
result.AddSwitch(sw);
if ((sw.arity == Arity.One || sw.arity == Arity.NoneOrOne) && result.AlreadyHasArgumentForLastSwitch())
{
throw new InvalidInput($"Switch {value} can accept only one argument, but two are supplied.");
}
result.AddArgForLastSwitch(arg);
psp = PathSplit.Maybe;
}
else
{
switch (sw.arity)
{
case Arity.None: psp = PathSplit.Maybe; break;
case Arity.One: psp = PathSplit.NotForOne; break;
case Arity.NoneOrOne: psp = PathSplit.Maybe; break;
case Arity.Any: psp = PathSplit.Not; break;
default: throw new Termination("Should not reach this.");
}
result.AddSwitch(sw);
}
}
internal Builder(CommandSwitch csw)
{
this.csw = csw;
}