/
util.go
56 lines (46 loc) · 1.08 KB
/
util.go
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// Create and maintain by Chaiyapong Lapliengtrakul (chaiyapong@3dsinteractive.com), All right reserved (2021 - Present)
package main
import (
"bytes"
"fmt"
"math/rand"
"regexp"
"strings"
)
var specialCharsRegex = regexp.MustCompile("[^a-zA-Z0-9]+")
func randString() string {
i := rand.Int()
return fmt.Sprintf("%d", i)
}
func escapeName(tokens ...string) string {
// Any name rules
// - Lowercase only (for consistency)
// - . (dot), _ (underscore), - (minus) can be used
// - Max length = 250
var b bytes.Buffer
// Name result must be token1-token2-token3-token4 without special characters
for i, token := range tokens {
if len(token) == 0 {
continue
}
token = strings.ToLower(token)
cleanToken := specialCharsRegex.ReplaceAllString(token, "-")
if i != 0 {
b.WriteString("-")
}
b.WriteString(cleanToken)
}
name := b.String()
// - Cannot start with -, _, +
for true {
if len(name) == 0 || name[0] != '-' {
break
}
name = name[1:]
}
// - Cannot be longer than 250 characters (max len)
if len(name) > 250 {
name = name[0:250]
}
return name
}