devops tenant api

Signed-off-by: runzexia <runzexia@yunify.com>

pkg/utils/stringutils/string.go

@@ -0,0 +1,77 @@
+/*
+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 (
+	"unicode/utf8"
+
+	"github.com/asaskevich/govalidator"
+)
+
+// 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)
+}