mirror of
https://github.com/etcd-io/etcd.git
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56 lines
1.2 KiB
Go
56 lines
1.2 KiB
Go
/*
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Copyright 2014 CoreOS, Inc.
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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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http://www.apache.org/licenses/LICENSE-2.0
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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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*/
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package flags
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import (
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"errors"
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)
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const (
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ProxyValueOff = "off"
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ProxyValueReadonly = "readonly"
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ProxyValueOn = "on"
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)
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var (
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ProxyValues = []string{
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ProxyValueOff,
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ProxyValueReadonly,
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ProxyValueOn,
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}
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)
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// ProxyFlag implements the flag.Value interface.
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type Proxy string
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// Set verifies the argument to be a valid member of proxyFlagValues
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// before setting the underlying flag value.
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func (pf *Proxy) Set(s string) error {
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for _, v := range ProxyValues {
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if s == v {
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*pf = Proxy(s)
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return nil
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}
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}
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return errors.New("invalid value")
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}
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func (pf *Proxy) String() string {
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return string(*pf)
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}
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