k3s/vendor/github.com/urfave/cli/sort.go

30 lines
520 B
Go
Raw Normal View History

2019-01-12 04:58:27 +00:00
package cli
import "unicode"
// lexicographicLess compares strings alphabetically considering case.
func lexicographicLess(i, j string) bool {
iRunes := []rune(i)
jRunes := []rune(j)
lenShared := len(iRunes)
if lenShared > len(jRunes) {
lenShared = len(jRunes)
}
for index := 0; index < lenShared; index++ {
ir := iRunes[index]
jr := jRunes[index]
if lir, ljr := unicode.ToLower(ir), unicode.ToLower(jr); lir != ljr {
return lir < ljr
}
if ir != jr {
return ir < jr
}
}
return i < j
}