public void Interpret(PlayContext context)
{
if (context.Text.Length == 0)
{
return;
}
else
{
string playKey = context.Text.Substring(0, 1);
context.Text = context.Text.Substring(2);
double playValue = Convert.ToDouble(context.Text.Substring(0, context.Text.IndexOf(" ")));
context.Text = context.Text.Substring(context.Text.IndexOf(" ") + 1);
Excute(playKey, playValue);
}
}
public static void Test1()
{
PlayContext context = new PlayContext();
// 音乐 上海滩
Console.WriteLine("上海滩:");
context.Text = "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 ";
Expression expression = null;
try {
while (context.Text.Length > 0)
{
string str = context.Text.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);
}
}