Sha256: 671c66c1442b75c4bf73b21aae19975ffd2ba792c5661dc465839843d4444eff
Contents?: true
Size: 1.14 KB
Versions: 209
Compression:
Stored size: 1.14 KB
Contents
package atbash
import (
"regexp"
"strings"
)
var alphabet = "abcdefghijklmnopqrstuvwxyz"
func Atbash(s string) string {
return chunk(convert(normalize(s)))
}
func chunk(s string) string {
reg, _ := regexp.Compile(".{1,5}")
value := reg.FindAllString(s, -1)
s = strings.Join(value, " ")
return s
}
func convert(s string) string {
key := reverse(alphabet)
inputSlice := strings.Split(s, "")
originalSlice := strings.Split(alphabet, "")
reversedSlice := strings.Split(key, "")
result := ""
for i := 0; i < len(s); i++ {
char := inputSlice[i]
index := indexOf(originalSlice, char)
if index > -1 {
result = result + reversedSlice[index]
} else {
result = result + char
}
}
return result
}
func normalize(s string) string {
s = strings.ToLower(s)
reg, _ := regexp.Compile("[^a-z0-9]")
s = reg.ReplaceAllString(s, "")
return s
}
func reverse(s string) string {
runes := []rune(s)
for i, j := 0, len(runes)-1; i < j; i, j = i+1, j-1 {
runes[i], runes[j] = runes[j], runes[i]
}
return string(runes)
}
func indexOf(slice []string, string string) int {
for p, v := range slice {
if v == string {
return p
}
}
return -1
}
Version data entries
209 entries across 209 versions & 1 rubygems