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26 lines
421 B
Go
26 lines
421 B
Go
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package vflag
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import (
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"errors"
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"strings"
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)
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// ValidatedFlag cli string type
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type ValidatedFlag struct {
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Value string
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}
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func (f *ValidatedFlag) String() string {
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return f.Value
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}
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// Set will be called for flag that is of validateFlag type
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func (f *ValidatedFlag) Set(value string) error {
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if strings.Contains(value, "-") {
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return errors.New("flag value cannot start with -")
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}
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f.Value = value
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return nil
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}
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