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vm: setup autocompleter

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This commit is contained in:
Anna Shaleva 2022-02-17 13:01:40 +03:00 committed by AnnaShaleva
parent e8ec820d2e
commit d04d55708c
1 changed files with 21 additions and 0 deletions
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21
pkg/vm/cli/cli.go
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@ -222,6 +222,23 @@ example:
}, },
} }
var completer *readline.PrefixCompleter
func init() {
var pcItems []readline.PrefixCompleterInterface
for _, c := range commands {
if !c.Hidden {
var flagsItems []readline.PrefixCompleterInterface
for _, f := range c.Flags {
names := strings.SplitN(f.GetName(), ", ", 2) // only long name will be offered
flagsItems = append(flagsItems, readline.PcItem("--"+names[0]))
}
pcItems = append(pcItems, readline.PcItem(c.Name, flagsItems...))
}
}
completer = readline.NewPrefixCompleter(pcItems...)
}
// Various errors. // Various errors.
var ( var (
ErrMissingParameter = errors.New("missing argument") ErrMissingParameter = errors.New("missing argument")
@ -243,6 +260,10 @@ func New() *VMCLI {
// NewWithConfig returns new VMCLI instance using provided config. // NewWithConfig returns new VMCLI instance using provided config.
func NewWithConfig(printLogotype bool, onExit func(int), c *readline.Config) *VMCLI { func NewWithConfig(printLogotype bool, onExit func(int), c *readline.Config) *VMCLI {
if c.AutoComplete == nil {
// Autocomplete commands/flags on TAB.
c.AutoComplete = completer
}
l, err := readline.NewEx(c) l, err := readline.NewEx(c)
if err != nil { if err != nil {
panic(err) panic(err)