52 lines
1.4 KiB
Go
52 lines
1.4 KiB
Go
/*
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Copyright 2017 the Velero contributors.
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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 flag
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import (
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"strings"
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)
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// StringArray is a Cobra-compatible named type for defining a
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// string slice flag.
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type StringArray []string
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// NewStringArray returns a StringArray for a provided
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// slice of values.
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func NewStringArray(initial ...string) StringArray {
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return StringArray(initial)
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}
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// String returns a comma-separated list of the items
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// in the string array.
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func (sa *StringArray) String() string {
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return strings.Join(*sa, ",")
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}
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// Set comma-splits the provided string and assigns
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// the results to the receiver. It returns an error if
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// the string is not parseable.
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func (sa *StringArray) Set(s string) error {
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*sa = strings.Split(s, ",")
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return nil
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}
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// Type returns a string representation of the
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// StringArray type.
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func (sa *StringArray) Type() string {
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return "stringArray"
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}
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