mirror of
https://github.com/ceph/ceph-csi.git
synced 2024-12-29 16:30:19 +00:00
50 lines
1.3 KiB
Go
50 lines
1.3 KiB
Go
|
/*
|
||
|
|
Copyright 2017 The Kubernetes 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 clientcmd
|
||
|
|
|
||
|
|
// transformingStringValue implements pflag.Value to store string values,
|
||
|
|
// allowing transforming them while being set
|
||
|
|
type transformingStringValue struct {
|
||
|
|
target *string
|
||
|
|
transformer func(string) (string, error)
|
||
|
|
}
|
||
|
|
|
||
|
|
func newTransformingStringValue(val string, target *string, transformer func(string) (string, error)) *transformingStringValue {
|
||
|
|
*target = val
|
||
|
|
return &transformingStringValue{
|
||
|
|
target: target,
|
||
|
|
transformer: transformer,
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
func (t *transformingStringValue) Set(val string) error {
|
||
|
|
val, err := t.transformer(val)
|
||
|
|
if err != nil {
|
||
|
|
return err
|
||
|
|
}
|
||
|
|
*t.target = val
|
||
|
|
return nil
|
||
|
|
}
|
||
|
|
|
||
|
|
func (t *transformingStringValue) Type() string {
|
||
|
|
return "string"
|
||
|
|
}
|
||
|
|
|
||
|
|
func (t *transformingStringValue) String() string {
|
||
|
|
return string(*t.target)
|
||
|
|
}
|