| // Copyright 2015 The LUCI 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 apigen |
| |
| import ( |
| "errors" |
| "flag" |
| "strings" |
| ) |
| |
| // apiAllowlist is a flag.Value type that appends to the list on add. |
| type apiAllowlist []string |
| |
| var _ flag.Value = (*apiAllowlist)(nil) |
| |
| func (l *apiAllowlist) String() string { |
| if *l == nil { |
| return "" |
| } |
| return strings.Join(*l, ",") |
| } |
| |
| func (l *apiAllowlist) Set(s string) error { |
| if len(s) == 0 { |
| return errors.New("cannot allowlist empty string") |
| } |
| |
| *l = append(*l, s) |
| return nil |
| } |
