static void Main(string[] args)
{
//Context context = new Context();
//IList<AbstractExpression> list = new List<AbstractExpression>();
//list.Add(new TerminalExpression());
//list.Add(new NonterminalExpression());
//list.Add(new TerminalExpression());
//list.Add(new TerminalExpression());
//foreach (AbstractExpression exp in list)
//{
// exp.Interpret(context);
//}
PlayContext context = new PlayContext();
// 音樂-上海灘
Console.WriteLine("上海灘:");
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 ";
Expression expression = null;
try
{
while (context.PlayText.Length > 0)
{
string str = context.PlayText.Substring(0, 1);
switch (str)
{
// 當首欄位是O時，則運算式實體化為音階
case "O":
expression = new Scale();
break;
// 對速度T的判斷
case "T":
expression = new Speed();
break;
// 當首字母是CDEFGAB，以及休止符P時，則實體化音符
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.ReadLine();
}
public void Interpret(PlayContext context)
{
if (context.PlayText.Length == 0)
{
return;
}
else
{
string playKey = context.PlayText.Substring(0, 1);
context.PlayText = context.PlayText.Substring(2);
double playValue = Convert.ToDouble(context.PlayText.Substring(0, context.PlayText.IndexOf(" ")));
context.PlayText = context.PlayText.Substring(context.PlayText.IndexOf(" ") + 1);
Excute(playKey, playValue);
}
}
// 解譯器
public void Interpret(PlayContext context)
{
if (context.PlayText.Length == 0)
{
return;
}
else
{
string playKey = context.PlayText.Substring(0, 1);
context.PlayText = context.PlayText.Substring(2);
double playValue = Convert.ToDouble(context.PlayText.Substring(0, context.PlayText.IndexOf(" ")));
context.PlayText = context.PlayText.Substring(context.PlayText.IndexOf(" ") + 1);
Execute(playKey, playValue);
}
}
static void Main(string[] args)
{
Console.OutputEncoding = Encoding.UTF8;
PlayContext context = new PlayContext();
Console.WriteLine("霸王别姬:");
context.PlayText = "O 2 E 0.5 A 3 E 0.5 ";
Expression expression = null;
try
{
while (context.PlayText.Length > 0)
{
string str = context.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;
}
expression.Interpret(context);
}
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
}
Console.Read();
}
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();
}
public void Interpret(PlayContext context)
{
if (context.PlayText.Length == 0)
{
return;
}
else
{
//取得首字符：音阶
//context: 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
string playKey = context.PlayText.Substring(0, 1);
context.PlayText = context.PlayText.Substring(2);
//获得音阶 1：低音 2：中音 3：高音
double playValue = Convert.ToDouble(context.PlayText.Substring(0, context.PlayText.IndexOf(" ")));
//获得PlayKey和playValue后将其从演奏文本中移除 变成: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
context.PlayText = context.PlayText.Substring(context.PlayText.IndexOf(" ") + 1);
//执行演奏
Execute(playKey, playValue);
}
}
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();
}