34 lines
903 B
Go
34 lines
903 B
Go
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package kingpin
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// HintAction is a function type who is expected to return a slice of possible
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// command line arguments.
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type HintAction func() []string
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type completionsMixin struct {
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hintActions []HintAction
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builtinHintActions []HintAction
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}
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func (a *completionsMixin) addHintAction(action HintAction) {
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a.hintActions = append(a.hintActions, action)
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}
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// Allow adding of HintActions which are added internally, ie, EnumVar
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func (a *completionsMixin) addHintActionBuiltin(action HintAction) {
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a.builtinHintActions = append(a.builtinHintActions, action)
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}
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func (a *completionsMixin) resolveCompletions() []string {
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var hints []string
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options := a.builtinHintActions
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if len(a.hintActions) > 0 {
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// User specified their own hintActions. Use those instead.
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options = a.hintActions
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}
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for _, hintAction := range options {
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hints = append(hints, hintAction()...)
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}
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return hints
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}
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