public int Run()
{
try
{
var a = new Args(this.Arguments);
if (OnException != null)
{
a.OnException = (e) =>
{
return(this.OnException(e));
};
}
var entryAssembly = Assembly.GetCallingAssembly();
var programName = this.Application.GetType().Assembly.GetName().Name;
var rootCommand = ObjectCommand.Create(programName, ObjectProvider.Create(new Starter(this.Application, a)));
return(rootCommand.Invoke(a));
}
catch (ParseError ex)
{
Console.Error.WriteLine(ex.Message);
return(-1);
}
catch (Exception ex)
{
Console.Error.WriteLine(ex);
return(-1);
}
}
public static ICommand AddHelp(this ObjectCommand command)
{
var help = new HelpOption();
command.CommandSource = command.CommandSource.Concat(new ObjectCommandSource(
null,
ObjectProvider.Create(help.GetType(), () => help)
));
help.Command = command;
return(command);
}
public static Maybe <ICommand> Create(ICommand parent, IObjectProvider containingObject, MethodInfo method, IEnumerable <IOption> inheritedOptions)
{
if (inheritedOptions == null)
{
throw new ArgumentNullException(nameof(inheritedOptions));
}
return(method
.GetUsage()
.Select(usage =>
{
var help = new HelpOption();
var helpCommand = new ObjectCommandSource(null, ObjectProvider.Create(help));
var c = new MethodCommand(parent, containingObject, method, helpCommand.Options.Concat(inheritedOptions));
help.Command = c;
return (ICommand)c;
}));
}
