mirror of
https://github.com/projectcapsule/capsule.git
synced 2026-03-04 10:40:30 +00:00
49 lines
1.2 KiB
Go
49 lines
1.2 KiB
Go
/*
|
|
Copyright 2020 Clastix Labs.
|
|
|
|
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 utils
|
|
|
|
import (
|
|
"sort"
|
|
)
|
|
|
|
type UserGroupList interface {
|
|
Find(needle string) (found bool)
|
|
}
|
|
|
|
type userGroupList []string
|
|
|
|
func NewUserGroupList(groups []string) UserGroupList {
|
|
list := make(userGroupList, len(groups))
|
|
for k, v := range groups {
|
|
list[k] = v
|
|
}
|
|
sort.SliceStable(list, func(i, j int) bool {
|
|
return list[i] < list[j]
|
|
})
|
|
return list
|
|
}
|
|
|
|
// Find sorts itself using the SliceStable and perform a binary-search for the given string.
|
|
func (u userGroupList) Find(needle string) (found bool) {
|
|
sort.SliceStable(u, func(i, j int) bool {
|
|
return i < j
|
|
})
|
|
i := sort.SearchStrings(u, needle)
|
|
found = i < len(u) && u[i] == needle
|
|
return
|
|
}
|