private static string FormatPositionalDescription(BasePositional positional)
{
if (positional.Description == null) return string.Empty;
if (positional.IsOptional && positional.DefaultValue != null)
return string.Format("{0} Default value: {1}", positional.Description, positional.DefaultValue);
return positional.Description;
}
private bool UnusedPositional(BasePositional arg)
{
return !arg.AllowMultiple || _usedPositionals.All(p => !ReferenceEquals(arg.ParameterName, p));
}
private static string FormatParameterListEntry(BasePositional p)
{
var entry = String.Format("<{0}>", p.ParameterName);
return p.IsOptional ? string.Format("[{0}]", entry) : entry;
}
private bool AcceptPositional(string value, BasePositional positional)
{
if (!positional.AllowMultiple)
_positionals.Remove(positional);
_usedPositionals.Add(positional.ParameterName);
var error = positional.Accept(ParamObject, value);
if (error == null)
{
return true;
}
Error = error;
return false;
}