// Handle() is part of the interface State.
// It would be called with input events.
// Please refer to the state chart for all state transfers and
// actions round them.
func (self *CodeState) Handle(sm hsm.HSM, event hsm.Event) hsm.State {
Logln(self.ID(), "- Handle")
switch event.Type() {
case EventSlash:
// Trigger a state transfer. The target state is slash state.
sm.QTranOnEvent(StateSlashID, event)
// Return nil to tell the state machine that this event is completely
// handled. No need to propagrate it to our super state.
return nil
case EventChar:
e, ok := event.(*CCommentCharEvent)
hsm.AssertTrue(ok)
commentHSM, ok := sm.(*CCommentHSM)
hsm.AssertTrue(ok)
commentHSM.ProcessCodeChar(e.Char())
return nil
}
// Return super state to tell the state machine that this event is
// not completely handled. Please propagrate it to our super state.
return self.Super()
}
