-
-
Notifications
You must be signed in to change notification settings - Fork 2
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
Merge pull request #181 from rsteube/fix-nonposix
fix nonposix
- Loading branch information
Showing
9 changed files
with
355 additions
and
145 deletions.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,176 @@ | ||
| package pflagfork | ||
|
|
||
| import ( | ||
| "fmt" | ||
| "reflect" | ||
| "strings" | ||
|
|
||
| "github.com/rsteube/carapace/pkg/style" | ||
| "github.com/spf13/cobra" | ||
| "github.com/spf13/pflag" | ||
| ) | ||
|
|
||
| // mode defines how flags are represented. | ||
| type mode int | ||
|
|
||
| const ( | ||
| Default mode = iota // default behaviour | ||
| ShorthandOnly // only the shorthand should be used | ||
| NameAsShorthand // non-posix mode where the name is also added as shorthand (single `-` prefix) | ||
| ) | ||
|
|
||
| type Flag struct { | ||
| *pflag.Flag | ||
| } | ||
|
|
||
| func (f Flag) Nargs() int { | ||
| if field := reflect.ValueOf(f.Flag).Elem().FieldByName("Nargs"); field.IsValid() && field.Kind() == reflect.Int { | ||
| return int(field.Int()) | ||
| } | ||
| return 0 | ||
| } | ||
|
|
||
| func (f Flag) Mode() mode { | ||
| if field := reflect.ValueOf(f.Flag).Elem().FieldByName("Mode"); field.IsValid() && field.Kind() == reflect.Int { | ||
| return mode(field.Int()) | ||
| } | ||
| return Default | ||
| } | ||
|
|
||
| func (f Flag) OptargDelimiter() rune { | ||
| if field := reflect.ValueOf(f.Flag).Elem().FieldByName("OptargDelimiter"); field.IsValid() && field.Kind() == reflect.Int32 { | ||
| return (rune(field.Int())) | ||
| } | ||
| return '=' | ||
| } | ||
|
|
||
| func (f Flag) IsRepeatable() bool { | ||
| if strings.Contains(f.Value.Type(), "Slice") || | ||
| strings.Contains(f.Value.Type(), "Array") || | ||
| f.Value.Type() == "count" { | ||
| return true | ||
| } | ||
| return false | ||
| } | ||
|
|
||
| func (f Flag) Split(arg string) (prefix, optarg string) { | ||
| delimiter := string(f.OptargDelimiter()) | ||
| splitted := strings.SplitN(arg, delimiter, 2) | ||
| return splitted[0] + delimiter, splitted[1] | ||
| } | ||
|
|
||
| func (f Flag) Matches(arg string, posix bool) bool { | ||
| if !strings.HasPrefix(arg, "-") { // not a flag | ||
| return false | ||
| } | ||
|
|
||
| switch { | ||
|
|
||
| case strings.HasPrefix(arg, "--"): | ||
| name := strings.TrimPrefix(arg, "--") | ||
| name = strings.SplitN(name, string(f.OptargDelimiter()), 2)[0] | ||
|
|
||
| switch f.Mode() { | ||
| case ShorthandOnly, NameAsShorthand: | ||
| return false | ||
| default: | ||
| return name == f.Name | ||
| } | ||
|
|
||
| case !posix: | ||
| name := strings.TrimPrefix(arg, "-") | ||
| name = strings.SplitN(name, string(f.OptargDelimiter()), 2)[0] | ||
|
|
||
| if name == "" { | ||
| return false | ||
| } | ||
|
|
||
| switch f.Mode() { | ||
| case ShorthandOnly: | ||
| return name == f.Shorthand | ||
| default: | ||
| return name == f.Name || name == f.Shorthand | ||
| } | ||
|
|
||
| default: | ||
| if f.Shorthand != "" { | ||
| return strings.HasSuffix(arg, f.Shorthand) | ||
| } | ||
| return false | ||
| } | ||
| } | ||
|
|
||
| func (f Flag) TakesValue() bool { | ||
| switch f.Value.Type() { | ||
| case "bool", "boolSlice", "count": | ||
| return false | ||
| default: | ||
| return true | ||
| } | ||
| } | ||
|
|
||
| func (f Flag) IsOptarg() bool { | ||
| return f.NoOptDefVal != "" | ||
| } | ||
|
|
||
| func (f Flag) Style() string { | ||
| switch { | ||
| case !f.TakesValue(): | ||
| return style.Carapace.FlagNoArg | ||
| case f.IsOptarg(): | ||
| return style.Carapace.FlagOptArg | ||
| case f.Nargs() != 0: | ||
| return style.Carapace.FlagMultiArg | ||
| default: | ||
| return style.Carapace.FlagArg | ||
| } | ||
| } | ||
|
|
||
| func (f Flag) Required() bool { | ||
| if annotation := f.Annotations[cobra.BashCompOneRequiredFlag]; len(annotation) == 1 && annotation[0] == "true" { | ||
| return true | ||
| } | ||
| return false | ||
| } | ||
|
|
||
| func (f Flag) Definition() string { | ||
| var definition string | ||
| switch f.Mode() { | ||
| case ShorthandOnly: | ||
| definition = fmt.Sprintf("-%v", f.Shorthand) | ||
| case NameAsShorthand: | ||
| definition = fmt.Sprintf("-%v, -%v", f.Shorthand, f.Name) | ||
| default: | ||
| switch f.Shorthand { | ||
| case "": | ||
| definition = fmt.Sprintf("--%v", f.Name) | ||
| default: | ||
| definition = fmt.Sprintf("-%v, --%v", f.Shorthand, f.Name) | ||
| } | ||
| } | ||
|
|
||
| if f.Hidden { | ||
| definition += "&" | ||
| } | ||
|
|
||
| if f.Required() { | ||
| definition += "!" | ||
| } | ||
|
|
||
| if f.IsRepeatable() { | ||
| definition += "*" | ||
| } | ||
|
|
||
| switch { | ||
| case f.IsOptarg(): | ||
| switch f.Value.Type() { | ||
| case "bool", "boolSlice", "count": | ||
| default: | ||
| definition += "?" | ||
| } | ||
| case f.TakesValue(): | ||
| definition += "=" | ||
| } | ||
|
|
||
| return definition | ||
| } |
Oops, something went wrong.