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char_encoding.go
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/
char_encoding.go
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package namaste
import (
"strings"
)
var (
stepOneEncoding = map[string]string{
"^": "^5E",
}
stepTwoEncoding = map[string]string{
" ": "^20",
"\"": "^22",
"*": "^2A",
"/": "^2F",
":": "^3A",
"<": "^3C",
">": "^3E",
"?": "^3F",
"\\": "^5C",
"|": "^7C",
}
)
func charEncode(s string) string {
//NOTE: we need to replace ^ with ^5e and avoid collisions with other hex values
// we split the string into an array of substrings then replace each one as as need to.
p := strings.Split(s, "")
for i, target := range p {
if val, ok := stepOneEncoding[target]; ok == true {
p[i] = val
}
}
s = strings.Join(p, "")
for target, replacement := range stepTwoEncoding {
if strings.Contains(s, target) {
s = strings.Replace(s, target, replacement, -1)
}
}
return s
}
func charDecode(s string) string {
for replacement, target := range stepTwoEncoding {
if strings.Contains(s, target) {
s = strings.Replace(s, target, replacement, -1)
}
}
for replacement, target := range stepOneEncoding {
if strings.Contains(s, target) {
s = strings.Replace(s, target, replacement, -1)
}
}
return s
}