trigger autocomplete Help()

1 files changed, 51 insertions, 6 deletions

diff --git a/complete.go b/complete.go
index 31a5398..b1711b9 100644
--- a/complete.go
+++ b/complete.go
@@ -9,12 +9,57 @@ import (
 	"go.wit.com/lib/protobuf/argvpb"
 )
 
-// has the variables for autocomplete
-type Complete struct {
-	Subcommand []string  // this will be sent from the shell autocomplete scheme
-	Partial    string    // whatever the user has partially entered on the commandline
-	Stderr     io.Writer // this is where Stderr
-	Stdout     io.Writer // this is where Stdout
+var useArgv bool
+var overrideFlags []string
+
+// pass in a "pretend" os.Args. Used for bash autocomplete
+// error is "good" in this case. The application exists
+// and finishes the output for shell autocomplete
+// returning "nil" means the application has to figure out what to do
+func ParseFlagsArgv(dest ...interface{}) (*Parser, error) {
+	p, err := NewParser(Config{}, dest...)
+	if err != nil {
+		return p, err
+	}
+	if argvpb.PB == nil {
+		panic("argvpb.PB is nil")
+	}
+	useArgv = true
+	overrideFlags = append(overrideFlags, argvpb.Real()...)
+	err = p.Parse(argvpb.Real())
+	if err != nil {
+		fmt.Fprintf(argvpb.Stddbg, "err(%v)\n", err)
+		fmt.Fprintln(argvpb.Stddbg, "arg.ParseFlagsArgv()", argvpb.Real())
+		fmt.Printf("\n")
+		fmt.Printf("\n")
+		fmt.Printf("err(%v)\n", err)
+		fmt.Println("arg.ParseFlagsArgv()", argvpb.Real())
+		s := fmt.Sprintf("p.Parse() problem in argv err(%v)\n", err)
+		panic(s)
+	}
+	if argvpb.PB.HelpCounter > 3 {
+		argvpb.SetDebug(true)
+		argvpb.PB.HelpCounter = 0
+		if argvpb.Len() == 0 {
+			fmt.Fprintf(argvpb.Stddbg, "len(PB.Real)=(%d)\n", len(argvpb.PB.Real))
+			p.WriteHelp(argvpb.Stderr)
+			fmt.Fprintf(argvpb.Stddbg, "WriteHelp() (%v)\n", "fricking got here")
+			fmt.Fprintf(argvpb.Stddbg, "WriteHelp() (%v)\n", "fricking got here")
+			fmt.Fprintf(argvpb.Stddbg, "WriteHelp() (%v)\n", "fricking got here")
+			return p, errors.New("WriteHelp() worked")
+		} else {
+			fmt.Fprintf(argvpb.Stddbg, "WriteHelp() damnit len(%v) (%v)\n", len(argvpb.PB.Real), argvpb.PB.Real)
+			fmt.Fprintf(argvpb.Stddbg, "WriteHelp() damnit len(%v) (%v)\n", len(argvpb.PB.Real), argvpb.PB.Real)
+			fmt.Fprintf(argvpb.Stddbg, "WriteHelp() damnit len(%v) (%v)\n", len(argvpb.PB.Real), argvpb.PB.Real)
+		}
+		err = p.WriteHelpForAutocomplete("", argvpb.PB.Real...)
+		if err != nil {
+			fmt.Fprintf(argvpb.Stddbg, "returned from WriteHelpForAutocomplete() pb.Real(%v)\n", argvpb.PB.Real)
+			fmt.Fprintf(argvpb.Stddbg, "returned from WriteHelpForAutocomplete(%v)\n", err)
+		}
+		return p, errors.New("WriteHelpForAutocomplete() worked")
+	}
+	return p, nil
 }
 
 func (p *Parser) WriteHelpForAutocompleteArgv() error {