| /* |
| Copyright 2014 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 flag |
| |
| // StringFlag is a string flag compatible with flags and pflags that keeps track of whether it had a value supplied or not. |
| type StringFlag struct { |
| // If Set has been invoked this value is true |
| provided bool |
| // The exact value provided on the flag |
| value string |
| } |
| |
| func NewStringFlag(defaultVal string) StringFlag { |
| return StringFlag{value: defaultVal} |
| } |
| |
| func (f *StringFlag) Default(value string) { |
| f.value = value |
| } |
| |
| func (f StringFlag) String() string { |
| return f.value |
| } |
| |
| func (f StringFlag) Value() string { |
| return f.value |
| } |
| |
| func (f *StringFlag) Set(value string) error { |
| f.value = value |
| f.provided = true |
| |
| return nil |
| } |
| |
| func (f StringFlag) Provided() bool { |
| return f.provided |
| } |
| |
| func (f *StringFlag) Type() string { |
| return "string" |
| } |
