86 lines
1.9 KiB
Go
86 lines
1.9 KiB
Go
// Copyright 2019 Sorint.lab
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package util
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import "sort"
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func StringInSlice(s []string, e string) bool {
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for _, v := range s {
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if v == e {
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return true
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}
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}
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return false
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}
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// CompareStringSlice compares two slices of strings, a nil slice is considered an empty one
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func CompareStringSlice(a []string, b []string) bool {
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if len(a) != len(b) {
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return false
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}
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for i, v := range a {
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if v != b[i] {
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return false
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}
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}
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return true
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}
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// CompareStringSliceNoOrder compares two slices of strings regardless of their order, a nil slice is considered an empty one
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func CompareStringSliceNoOrder(a []string, b []string) bool {
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if len(a) != len(b) {
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return false
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}
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// This isn't the faster way but it's cleaner and enough for us
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// Take a copy of the original slice
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a = append([]string(nil), a...)
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b = append([]string(nil), b...)
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sort.Strings(a)
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sort.Strings(b)
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for i, v := range a {
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if v != b[i] {
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return false
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}
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}
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return true
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}
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// CommonElements return the common elements in two slices of strings
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func CommonElements(a []string, b []string) []string {
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common := []string{}
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for _, v := range a {
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if StringInSlice(b, v) {
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common = append(common, v)
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}
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}
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return common
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}
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// Difference returns elements in a - b
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func Difference(a []string, b []string) []string {
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diff := []string{}
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for _, v := range a {
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if !StringInSlice(b, v) {
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diff = append(diff, v)
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}
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}
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return diff
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}
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