automaton_generator 2.0.9

automaton_generator: ^2.0.9 copied to clipboard

example/example.dart

import 'dart:collection';

void main(List<String> args) {
  final audio = Audio();
  final commands = [
    'turn_off',
    'turn_on',
    'volume_up',
    'volume_up',
    'volume_up',
    'volume_up',
    'volume_down',
  ];
  audio.commands.addAll(commands);
  audio.execute();
  commands.clear();
  commands.addAll([
    'good_buy',
    'turn_off',
  ]);
  audio.commands.addAll(commands);
  audio.execute();
}

class Audio {
  final Queue<String> commands = Queue();

  var power = false;

  int volume = 2;

  void execute() {
    while (commands.isNotEmpty) {
      final command = commands.removeFirst();
      print('-' * 40);
      print(command);
      if (command == "turn_on") {
        if (!power) {
          power = true;
          volume = 2;
          print('power: $power, volume: $volume');
          continue;
        }
        print('power: $power, volume: $volume');
        print('Command "turn_on" rejected');
        continue;
      }
      if (command == "turn_off") {
        if (power) {
          power = false;
          volume = 0;
          print('power: $power, volume: $volume');
          continue;
        }
        print('power: $power, volume: $volume');
        print('Command "turn_off" rejected');
        continue;
      }
      if (command == "volume_up") {
        if (volume < 5 && power) {
          volume++;
          print('power: $power, volume: $volume');
          continue;
        }
        print('power: $power, volume: $volume');
        print('Command "volume_up" rejected');
        continue;
      }
      if (command == "volume_down") {
        if (volume > 0 && power) {
          volume--;
          print('power: $power, volume: $volume');
          continue;
        }
        print('power: $power, volume: $volume');
        print('Command "volume_down" rejected');
        continue;
      }
      print('Unknown command: $command');
      continue;
    }
  }
}