go-mockid/mockid/parse.go

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package mockid
import "strconv"
func parseExp(exp string) (int, error) {
if "" == exp {
exp = "15m"
}
mult := 1
switch exp[len(exp)-1] {
case 'w':
mult *= 7
fallthrough
case 'd':
mult *= 24
fallthrough
case 'h':
mult *= 60
fallthrough
case 'm':
mult *= 60
fallthrough
case 's':
// no fallthrough
default:
// could be 'k' or 'z', but we assume its empty
exp += "s"
}
num, err := strconv.Atoi(exp[:len(exp)-1])
if nil != err {
return 0, err
}
return num * mult, nil
}