Enishi/Chaos Sorcerer vs. A Hero Emerges/resetting attacks?

Let's say, my opponent has a clear field (at least for monsters). I have a card along the lines of Enishi, Shien's Chancellor or Chaos Sorcerer - cards that can only activate their effects if they don't attack. If I attack with that monster, and they activate A Hero Emerges - or any sort of effect that resets an attack to allow it to attack again/differently/not at all. Does this still count as that card attacking? To my understanding, the rulings state that I can choose, say, not to attack with that monster, I can attack with a different monster, and then again with the first monster. So, could I theoretically attack with Enishi, and my opponent successfully Emerges a stronger monster, call off the attack, go to Main Phase 2, and activate Enishi's effect? Or does the reset declaration still count as an attack? If the former is true, could this extend to things such as Swift Scarecrow, Battle Fader, negate Attack, etc? In this situation, I do not think it wold apply, since the attack is negated rather than undone. Are there any official rulings, or do we just have to use the sheer force of logic to argue which ruling applies?