1
0
Fork 0
mirror of https://github.com/arangodb/kube-arangodb.git synced 2024-12-14 11:57:37 +00:00
kube-arangodb/pkg/util/strings.go
2022-01-10 12:35:49 +01:00

88 lines
2 KiB
Go

//
// DISCLAIMER
//
// Copyright 2016-2022 ArangoDB GmbH, Cologne, Germany
//
// 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.
//
// Copyright holder is ArangoDB GmbH, Cologne, Germany
//
package util
import "fmt"
func CompareStrings(a, b string) bool {
return a == b
}
func CompareStringPointers(a, b *string) bool {
if a == nil && b == nil {
return true
}
if a == nil || b == nil {
return false
}
return CompareStrings(*a, *b)
}
func CompareStringArray(a, b []string) bool {
if len(a) != len(b) {
return false
}
for id, ak := range a {
if ak != b[id] {
return false
}
}
return true
}
func PrefixStringArray(a []string, prefix string) []string {
b := make([]string, len(a))
for id, element := range a {
b[id] = fmt.Sprintf("%s%s", prefix, element)
}
return b
}
// DiffStringsOneWay returns the elements in `compareWhat` that are not in `compareTo`.
func DiffStringsOneWay(compareWhat, compareTo []string) []string {
compareToMap := make(map[string]struct{}, len(compareTo))
for _, x := range compareTo {
compareToMap[x] = struct{}{}
}
var diff []string
for _, x := range compareWhat {
if _, found := compareToMap[x]; !found {
diff = append(diff, x)
}
}
return diff
}
// DiffStrings returns the elements in `compareWhat` that are not in `compareTo` and
// elements in `compareTo` that are not in `compareFrom`.
func DiffStrings(compareWhat, compareTo []string) []string {
diff := DiffStringsOneWay(compareWhat, compareTo)
return append(diff, DiffStringsOneWay(compareTo, compareWhat)...)
}