/// <summary>
/// Registers the template of the help option.
/// </summary>
/// <param name="template">Template that identifies invocation of the help option.</param>
/// <param name="helpWriter">Help writer instance to use. If not specified, the default console
/// writer is used.</param>
/// <returns>Configuration.</returns>
public ApplicationConfiguration <TOptions> HelpOption(string template, IHelpWriter?helpWriter = null)
{
HelpTemplate = Template.Parse(template);
_helpWriter = helpWriter;
ParserConfig.AddTemplate(HelpTemplate);
ParserConfig.AddParser(new HelpOptionParser <TOptions>(HelpTemplate));
return(this);
}
/// <summary>
/// Registers a command as an application sub-program.
/// </summary>
/// <param name="template">Template that identifies the command.</param>
/// <param name="configureAction">Configuration action.</param>
/// <typeparam name="TCommandOptions">Command options.</typeparam>
/// <returns>Configuration.</returns>
/// <exception cref="Exception">Invalid configuration.</exception>
public ApplicationConfiguration <TOptions> Command <TCommandOptions>(string template,
Action <CommandConfiguration <TCommandOptions> > configureAction)
where TCommandOptions : class, TOptions
{
Check.NotNull(configureAction, nameof(configureAction));
try
{
var commandTemplate = Template.ForCommand(template);
var configuration = new CommandConfiguration <TCommandOptions>(commandTemplate);
configureAction(configuration);
_subConfigurations.Add(configuration);
ParserConfig.AddTemplate(commandTemplate);
return(this);
}
catch (Exception ex)
{
throw ConfigurationExceptions.InvalidCommandConfiguration(template, ex);
}
}