public virtual void Interpret(Context context)
{
if (context.Statement.Length == 0)
{
return;
}
foreach (var key in table.Keys)
{
int value = table[key];
var state = context.Statement;
if (state.EndsWith(key + GetPostifix()))
{
context.Data += value*Multiplier();
context.Statement = state.Substring(0,state.Length- GetLength());
break;
}
if (state.EndsWith("零"))
{
context.Statement = state.Substring(0, state.Length - 1);
break;
}
if (state.Length == 0)
{
break;
}
}
}
public InterpreterPattern()
{
string roman = "五千四百三十二"; //5432
Context context = new Context(roman);
ArrayList arr=new ArrayList();
arr.Add(new OneExpression());
arr.Add(new TenExpression());
arr.Add(new HundredExpression());
arr.Add(new ThousandExpression());
foreach (Expression exp in arr)
{
exp.Interpret(context);
}
Console.WriteLine("{0} = {1}", roman, context.Data);
}