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string.go
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/
string.go
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/*
Copyright 2018 The KubeSphere Authors.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package stringutils
import (
"regexp"
"strings"
"unicode/utf8"
"github.com/asaskevich/govalidator"
)
const ansi = "[\u001B\u009B][[\\]()#;?]*(?:(?:(?:[a-zA-Z\\d]*(?:;[a-zA-Z\\d]*)*)?\u0007)|(?:(?:\\d{1,4}(?:;\\d{0,4})*)?[\\dA-PRZcf-ntqry=><~]))"
var re = regexp.MustCompile(ansi)
// Creates an slice of slice values not included in the other given slice.
func Diff(base, exclude []string) (result []string) {
excludeMap := make(map[string]bool)
for _, s := range exclude {
excludeMap[s] = true
}
for _, s := range base {
if !excludeMap[s] {
result = append(result, s)
}
}
return result
}
func Unique(ss []string) (result []string) {
smap := make(map[string]bool)
for _, s := range ss {
smap[s] = true
}
for s := range smap {
result = append(result, s)
}
return result
}
func CamelCaseToUnderscore(str string) string {
return govalidator.CamelCaseToUnderscore(str)
}
func UnderscoreToCamelCase(str string) string {
return govalidator.UnderscoreToCamelCase(str)
}
func FindString(array []string, str string) int {
for index, s := range array {
if str == s {
return index
}
}
return -1
}
func StringIn(str string, array []string) bool {
return FindString(array, str) > -1
}
func Reverse(s string) string {
size := len(s)
buf := make([]byte, size)
for start := 0; start < size; {
r, n := utf8.DecodeRuneInString(s[start:])
start += n
utf8.EncodeRune(buf[size-start:], r)
}
return string(buf)
}
func Split(str string, sep string) []string {
if str == "" {
return nil
}
return strings.Split(str, sep)
}
func StripAnsi(str string) string {
return re.ReplaceAllString(str, "")
}