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 Create(string programName, IObjectProvider objectProvider)
{
var c = new ObjectCommand(null, programName);
c.CommandSource = new ObjectCommandSource(c, objectProvider);
return(c.AddHelp());
}
static IEnumerable <ICommand> GetCommands(ICommand parent, IObjectProvider containingObject, MemberInfo m, IEnumerable <IOption> inheritedOptions)
{
if (m.GetCustomAttribute <ModuleAttribute>() != null)
{
return(GetCommands(parent, ObjectProvider.ResolveNow(containingObject, m), inheritedOptions));
}
return(ObjectCommand.Create(parent, m, containingObject).ToEnumerable());
}
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, MemberInfo member, IObjectProvider containingObject)
{
var getter = member.GetGetter(containingObject);
return(member.GetCustomAttribute <CommandAttribute>().ToMaybe()
.Select(command =>
{
var name = Util.CSharpIdentifierToLongOption(member.Name);
var c = new ObjectCommand(parent, name);
c.CommandSource = new ObjectCommandSource(c, getter);
return (ICommand)c.AddHelp();
}));
}
