Exemple #1
0
 static void Main(string[] args)
 {
     PlayContext context = new PlayContext();
     Console.WriteLine("上海滩:");
     context.PlayText = "T 500 O 2 E 0.5 G 0.5 A 3 E 0.5 G 0.5 D 3 E 0.5 G 0.5 A 0.5 O 3 C 1 O 2 A 0.5 G 1 C 0.5 E 0.5 D 3 ";
     AbstractExpression expression = null;
     try
     {
         while (context.PlayText.Length > 0)
         {
             string str = context.PlayText.Substring(0, 1);
             switch (str)
             {
                 case "O":
                     expression = new Scale();
                     break;
                 case "T":
                     expression = new Speed();
                     break;
                 case "C":
                 case "D":
                 case "E":
                 case "F":
                 case "G":
                 case "A":
                 case "B":
                 case "P":
                     expression = new Note();
                     break;
             }
             expression.Interpret(context);
         }
     }
     catch (Exception ex)
     {
         Console.WriteLine(ex.Message);
     }
     Console.WriteLine();
 }
        static void Main(string[] args)
        {
            //解释器模式
            Context context = new Context();
            IList <AbstractExpression> list = new List <AbstractExpression>();

            list.Add(new TerminalExpression());
            list.Add(new NotTerminalExpression());
            list.Add(new NotTerminalExpression());
            list.Add(new TerminalExpression());
            list.Add(new TerminalExpression());

            foreach (AbstractExpression item in list)
            {
                item.Interpret(context);
            }
            Console.WriteLine("*************************************\n\n");


            PlayContext context1 = new PlayContext();

            Console.WriteLine("上海滩:");

            context1.Playtext = "O 2 E 0.5 G 0.5 A 3 E 0.5 G 0.5 D 3 E 0.5 G 0.5 A 0.5 O 3 C 1 O 2 A 0.5 G 1 C 0.5 E 0.5 D 3";
            MusicExpression expression = null;

            try
            {
                while (context1.Playtext.Length > 0)
                {
                    string str = context1.Playtext.Substring(0, 1);

                    switch (str)
                    {
                    case "O":
                        expression = new Scale();
                        break;

                    case "C":
                    case "D":
                    case "E":
                    case "F":
                    case "G":
                    case "A":
                    case "B":
                    case "P":
                        expression = new Note();
                        break;
                    }
                    //if (expression != null)
                    {
                        expression.Interpret(context1);
                    }
                }
            }
            catch (Exception ex)
            {
                Console.WriteLine(ex.Message);
            }


            Console.Read();
        }