private int Execute(CommandSet optionSet)
{
optionSet.showHelp = false;
if (optionSet.help == null)
{
optionSet.help = new HelpCommand();
optionSet.AddCommand(optionSet.help);
}
void SetHelp(string v) => optionSet.showHelp = v != null;
if (!optionSet.Options.Contains("help"))
{
optionSet.Options.Add("help", "", SetHelp, hidden: true);
}
if (!optionSet.Options.Contains("?"))
{
optionSet.Options.Add("?", "", SetHelp, hidden: true);
}
var extra = optionSet.Options.Parse(_args);
if (extra.Count == 0)
{
if (optionSet.showHelp)
{
return(optionSet.help.Invoke(extra));
}
return(0);
}
var command = optionSet.GetCommand(extra);
if (command == null)
{
optionSet.help.WriteUnknownCommand(extra[0]);
return(1);
}
if (optionSet.showHelp)
{
if (command.Options == null || command.Options.Contains("help"))
{
extra.Add("--help");
return(command.Invoke(extra));
}
command.Options.WriteOptionDescriptions(Console.Out);
return(0);
}
return(command.Invoke(extra));
}
public override int Invoke(IEnumerable <string> arguments)
{
var extra = new List <string>(arguments ?? new string[0]);
if (extra.Count > 0)
{
var command = CommandSet.GetCommand(extra);
if (command != null)
{
ShowCommandHelp(command);
return(0);
}
else
{
WriteUnknownCommand(extra[0]);
return(1);
}
}
else
{
var _ = HELP_TEXT;
Console.WriteLine(
$@"Usage:
photogrouper group {_["group"]}
photogrouper ungroup {_["group"]}
photogrouper list {_["group"]}
photogrouper -h | --help
photogrouper --version
Options:
-h --help {_["help"]}
--version {_["version"]}
-d --directory {_["directory"]}
-f --format {_["format"]}
-r --recursive {_["recursive"]}
-j --json {_["json"]}
-l --log {_["log"]}");
return(0);
}
}
