43 lines
959 B
Go
43 lines
959 B
Go
package kingpin
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// Action callback executed at various stages after all values are populated.
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// The application, commands, arguments and flags all have corresponding
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// actions.
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type Action func(*ParseContext) error
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type actionMixin struct {
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actions []Action
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preActions []Action
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}
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type actionApplier interface {
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applyActions(*ParseContext) error
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applyPreActions(*ParseContext) error
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}
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func (a *actionMixin) addAction(action Action) {
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a.actions = append(a.actions, action)
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}
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func (a *actionMixin) addPreAction(action Action) {
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a.preActions = append(a.preActions, action)
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}
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func (a *actionMixin) applyActions(context *ParseContext) error {
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for _, action := range a.actions {
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if err := action(context); err != nil {
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return err
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}
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}
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return nil
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}
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func (a *actionMixin) applyPreActions(context *ParseContext) error {
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for _, preAction := range a.preActions {
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if err := preAction(context); err != nil {
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return err
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}
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}
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return nil
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}
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