52 lines
871 B
Go
52 lines
871 B
Go
package lumecmd
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import (
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"errors"
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"flag"
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"fmt"
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"strings"
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"git.kill0.net/chill9/lifx-go"
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)
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func NewCmdValidate() Command {
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return Command{
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Name: "validate",
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Func: ValidateCmd,
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Flags: func() *flag.FlagSet {
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fs := flag.NewFlagSet("validate", flag.ExitOnError)
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return fs
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}(),
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Use: "<command>",
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Short: "Validate a color string",
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}
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}
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func ValidateCmd(ctx Context) (int, error) {
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var b strings.Builder
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c := ctx.Client
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if len(ctx.Args) != 1 {
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fmt.Print(printCmdHelp(ctx.Name))
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return ExitFailure, nil
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}
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color := lifx.NamedColor(ctx.Args[0])
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i, err := c.ValidateColor(color)
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if err != nil {
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return ExitFailure, err
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}
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if validColor, ok := i.(*lifx.HSBKColor); ok {
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fmt.Fprintln(&b, validColor)
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} else {
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return ExitFailure, errors.New("go type %T but wanted *HSBKColor")
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}
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fmt.Print(b.String())
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return ExitSuccess, nil
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}
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