Beispiel #1
0
func (v *Viper) Get(key string) interface{} {
	path := strings.Split(key, v.keyDelim)

	val := v.find(strings.ToLower(key))

	if val == nil {
		source := v.find(path[0])
		if source == nil {
			return nil
		}

		if reflect.TypeOf(source).Kind() == reflect.Map {
			val = v.searchMap(cast.ToStringMap(source), path[1:])
		}
	}

	switch val.(type) {
	case bool:
		return cast.ToBool(val)
	case string:
		return cast.ToString(val)
	case int64, int32, int16, int8, int:
		return cast.ToInt(val)
	case float64, float32:
		return cast.ToFloat64(val)
	case time.Time:
		return cast.ToTime(val)
	case time.Duration:
		return cast.ToDuration(val)
	case []string:
		return val
	}
	return val
}
Beispiel #2
0
// parseSizeInBytes converts strings like 1GB or 12 mb into an unsigned integer number of bytes
func parseSizeInBytes(sizeStr string) uint {
	sizeStr = strings.TrimSpace(sizeStr)
	lastChar := len(sizeStr) - 1
	multiplier := uint(1)

	if lastChar > 0 {
		if sizeStr[lastChar] == 'b' || sizeStr[lastChar] == 'B' {
			if lastChar > 1 {
				switch unicode.ToLower(rune(sizeStr[lastChar-1])) {
				case 'k':
					multiplier = 1 << 10
					sizeStr = strings.TrimSpace(sizeStr[:lastChar-1])
				case 'm':
					multiplier = 1 << 20
					sizeStr = strings.TrimSpace(sizeStr[:lastChar-1])
				case 'g':
					multiplier = 1 << 30
					sizeStr = strings.TrimSpace(sizeStr[:lastChar-1])
				default:
					multiplier = 1
					sizeStr = strings.TrimSpace(sizeStr[:lastChar])
				}
			}
		}
	}

	size := cast.ToInt(sizeStr)
	if size < 0 {
		size = 0
	}

	return safeMul(uint(size), multiplier)
}
Beispiel #3
0
func (v *Viper) BindPFlag(key string, flag *pflag.Flag) (err error) {
	if flag == nil {
		return fmt.Errorf("flag for %q is nil", key)
	}
	v.pflags[strings.ToLower(key)] = flag

	switch flag.Value.Type() {
	case "int", "int8", "int16", "int32", "int64":
		v.SetDefault(key, cast.ToInt(flag.Value.String()))
	case "bool":
		v.SetDefault(key, cast.ToBool(flag.Value.String()))
	default:
		v.SetDefault(key, flag.Value.String())
	}
	return nil
}
Beispiel #4
0
func (v *Viper) BindPFlags(flags *pflag.FlagSet) (err error) {
	flags.VisitAll(func(flag *pflag.Flag) {
		if err != nil {
			// an error has been encountered in one of the previous flags
			return
		}

		err = v.BindPFlag(flag.Name, flag)
		switch flag.Value.Type() {
		case "int", "int8", "int16", "int32", "int64":
			v.SetDefault(flag.Name, cast.ToInt(flag.Value.String()))
		case "bool":
			v.SetDefault(flag.Name, cast.ToBool(flag.Value.String()))
		default:
			v.SetDefault(flag.Name, flag.Value.String())
		}
	})
	return
}
Beispiel #5
0
func (v *Viper) GetInt(key string) int {
	return cast.ToInt(v.Get(key))
}