another stab at autocomplete

bash.new.go

@@ -63,7 +63,7 @@ func (pb *Auto) Debugf(fmts string, parts ...any) {
 }
 
 // makes a bash autocomplete file for your command
-func doHandlePB(pb *Auto) error {
+func (pb *Auto) doHandlePB() error {
 	homeDir, err := os.UserHomeDir()
 	if err != nil {
 		return err
@@ -81,7 +81,8 @@ func doHandlePB(pb *Auto) error {
 			for found := range all.IterAll() {
 				dur := time.Since(found.Ctime.AsTime())
 				pb.Duration = durationpb.New(dur)
-				pb.Debugf("AUTO HISTORY: ctime='%v' age=%s argv='%v'", found.Ctime, shell.FormatDuration(dur), found.Argv)
+				// found.PrintDebug()
+				pb.Debugf("AUTO HISTORY: age=%s cmd='%s' partial='%s' argv='%v'", shell.FormatDuration(dur), found.Cmd, found.Partial, found.Argv)
 				last = found
 			}
 		}
@@ -160,6 +161,52 @@ func (pb *Auto) Autocomplete(notsure any, sendthis string) {
 	fmt.Printf("%s", strings.Join(all, " "))
 }
 
+func (pb *Auto) Autocomplete2(sendthis string) {
+	dur := pb.Duration.AsDuration()
+	if dur < time.Millisecond*200 {
+		pb.Debug = true
+		/*
+			pb.Debugf("TODO: show extended help here '%s' '%s' %v dur=%v\n", pb.Arg0, pb.Arg1, pb.Argv, shell.FormatDuration(dur))
+			pb.PrintDebug()
+			fmt.Println(" ")
+		*/
+		if myAuto.pp == nil {
+			pb.Debugf("myAuto.pp == nil")
+		} else {
+			pb.Debugf("myAuto.pp != nil")
+			if pb.Cmd == "" {
+				myAuto.pp.WriteHelp(os.Stderr)
+			} else {
+				myAuto.pp.WriteHelpForSubcommand(os.Stderr, pb.Cmd)
+			}
+		}
+	}
+
+	parts := strings.Split(sendthis, " ")
+	var all []string
+	for _, part := range parts {
+		var found bool
+		for _, s := range os.Args {
+			if s == part {
+				found = true
+			}
+		}
+		if found {
+			continue
+		}
+		all = append(all, part)
+	}
+	fmt.Printf("%s", strings.Join(all, " "))
+	/*
+		if dur > time.Millisecond*200 {
+			if dur < time.Millisecond*800 {
+				// fmt.Println("a b")
+				fmt.Println(pb.Partial + " hello world")
+			}
+		}
+	*/
+}
+
 func parseArgv(argname string) *Auto {
 	newauto := new(Auto)
 	newauto.Argname = argname
@@ -214,30 +261,91 @@ func parseArgv(argname string) *Auto {
 	return newauto
 }
 
+// MustParse processes command line arguments and exits upon failure
+func MustParse(dest ...interface{}) *arg.Parser {
+	// arg.
+	// register = append(register, dest...)
+	return arg.MustParse(dest)
+}
+
 // also try to parse/send cur (?)
-func Bash2(argname string, autocomplete func(*Auto)) *Auto {
+func Bash2(argname string, appAutoFunc func(*Auto)) *Auto {
-	newauto := parseArgv(argname)
+	pb := parseArgv(argname)
-	if newauto.SetupAuto {
+	if pb.SetupAuto {
 		// --bash was passed. try to configure bash-completion
 		doBash2(argname)
 		os.Exit(0)
 	}
 
-	if newauto.Debug {
+	if pb.Debug {
 		// dump debug info
-		newauto.AutoDebug()
+		pb.PrintDebug()
 	}
 
-	if len(os.Args) > 1 && os.Args[1] == "--auto-complete" {
+	if pb.IsAuto {
-		doHandlePB(newauto)
+		pb.doHandlePB()
-		autocomplete(newauto)
+		if pb.Debug {
-		if newauto.Debug {
+			// TODO:
 			// check here to see if there was any completion text sent
 			// if not, send "reset bash newline\n" to cause bash to redraw PS1 for the user
 		}
+		arg.Register(&argBash)
+		// flags := []string{pb.Arg3, pb.Arg0}
+		// arg.InitFlags(flags)
+
+		appAutoFunc(pb) // run the autocomplete function the user made for their application
 		os.Exit(0)
 	}
 
 	arg.Register(&argBash)
-	return newauto
+	return pb
+}
+
+// also try to parse/send cur (?)
+func Bash3(argname string, appAutoFunc func(*Auto), dest any) *Auto {
+	myAuto = new(AutoArgs)
+	myAuto.appName = argname
+	myAuto.autoFunc = appAutoFunc
+
+	pb := parseArgv(argname)
+	if pb.SetupAuto {
+		// --bash was passed. try to configure bash-completion
+		doBash2(argname)
+		os.Exit(0)
+	}
+
+	if pb.Debug {
+		// dump debug info
+		pb.PrintDebug()
+	}
+
+	if pb.IsAuto {
+		pb.doHandlePB()
+		if pb.Debug {
+			// TODO:
+			// check here to see if there was any completion text sent
+			// if not, send "reset bash newline\n" to cause bash to redraw PS1 for the user
+		}
+		arg.Register(&argBash)
+		flags := []string{}
+		for _, s := range pb.Argv {
+			if s == "--autodebug" {
+				continue
+			}
+			flags = append(flags, s)
+		}
+		pb.Debugf("DEBUG: MustParse(%v)", flags)
+		var err error
+		myAuto.pp, err = arg.ParseFlags(flags, dest)
+		if err != nil {
+			pb.Debugf("DEBUG: Parse error: %v", err)
+		}
+
+		appAutoFunc(pb) // run the autocomplete function the user made for their application
+		os.Exit(0)
+	}
+
+	arg.Register(&argBash)
+	myAuto.pp = arg.MustParse(dest)
+	return pb
 }

bash.orig.go

@@ -32,6 +32,7 @@ type AutoArgs struct {
 	Auto     func([]string)
 	appName  string      // a good way to track the name of the binary ?
 	pp       *arg.Parser // for parsing the command line args.  Yay to alexf lint!
+	autoFunc func(*Auto)
 }
 
 // argname is the name of the executable
@@ -56,7 +57,7 @@ func Bash(argname string, autocomplete func([]string)) *AutoArgs {
 }
 
 // print out auto complete debugging info
-func (pb *Auto) AutoDebug() {
+func (pb *Auto) PrintDebug() {
 	dur := pb.Duration.AsDuration()
 	pb.Debugf("AUTOCOMPLETE: arg0='%s' arg1='%s' partial='%s' cmd='%s' age=%s argv=%v\n", pb.Arg0, pb.Arg1, pb.Partial, pb.Cmd, shell.FormatDuration(dur), pb.Argv)
 	// fmt.Println("--all --gui --verbose --force")