diff options
| -rw-r--r-- | complete.go | 18 | ||||
| -rw-r--r-- | parse.go | 10 |
2 files changed, 18 insertions, 10 deletions
diff --git a/complete.go b/complete.go index 8cb062e..25d5ef6 100644 --- a/complete.go +++ b/complete.go @@ -41,21 +41,15 @@ func ParseFlagsArgv(dest ...interface{}) (*Parser, error) { argvpb.SetDebug(true) argvpb.PB.HelpCounter = 0 if argvpb.Len() == 0 { - fmt.Fprintf(argvpb.Stddbg, "len(PB.Real)=(%d)\n", len(argvpb.PB.Real)) + // user didn't enter any text and is hitting <tab> after the command itself 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) } + // user is trying to get help for a subcommand 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) + // fmt.Fprintf(argvpb.Stddbg, "returned from WriteHelpForAutocomplete() pb.Real(%v)\n", argvpb.PB.Real) + fmt.Fprintf(argvpb.Stddbg, "WriteHelpForAutocomplete() err(%v)\n", err) } return p, errors.New("WriteHelpForAutocomplete() worked") } @@ -63,6 +57,10 @@ func ParseFlagsArgv(dest ...interface{}) (*Parser, error) { err = p.WriteHelpForAutocomplete(argvpb.PB.Partial, argvpb.PB.Real...) fmt.Fprintf(argvpb.Stderr, "returned from WriteHelpForAutocomplete() pb.Real(%v)\n", argvpb.PB.Real) fmt.Fprintf(argvpb.Stderr, "returned from WriteHelpForAutocomplete(%v)\n", err) + if p.match != nil { + // calls back to the application. this allows the application to provide autocomplete matches + p.match() + } return p, errors.New("WriteHelpForAutocomplete() subcommand worked") } return p, nil @@ -168,6 +168,7 @@ type Parser struct { config Config version string description string + match func() bool epilogue string // the following field changes during processing of command line arguments @@ -190,6 +191,12 @@ type Described interface { Description() string } +// will let the application provide matches for autocomplete +type Matched interface { + // the application should return true if it's happy with itself + Match() bool +} + // Epilogued is the interface that the destination struct should implement to // add an epilogue string at the bottom of the help message. type Epilogued interface { @@ -300,6 +307,9 @@ func NewParser(config Config, dests ...interface{}) (*Parser, error) { if dest, ok := dest.(Described); ok { p.description = dest.Description() } + if dest, ok := dest.(Matched); ok { + p.match = dest.Match + } if dest, ok := dest.(Epilogued); ok { p.epilogue = dest.Epilogue() } |