public BinaryResponse AddBinary(char text)
{
Cast CurrentCast = Cast.BINARY;
if (CastRule.IsTheOrderingLegit(PreviousCast, CurrentCast))
{
BinaryResponse response;
if (PreviousCast == Cast.BINARY)
{
response = Newcontroller.Instance.ModifyBinary(text);
}
else
{
response = Newcontroller.Instance.AddBinary(text);
}
//執行成功時記錄下這次的Cast
PreviousCast = Cast.BINARY;
return(response);
}
else
{
throw new OrderException(CastRule.INCORRECT_ORDER_MSG);
}
}
public void LeftBracket()
{
Cast CurrentCast = Cast.LEFT_BRACKET;
if (CastRule.IsTheOrderingLegit(PreviousCast, CurrentCast))
{
Newcontroller.Instance.LeftBracket();
//執行成功時記錄下這次的Cast
PreviousCast = Cast.LEFT_BRACKET;
}
else
{
throw new OrderException(CastRule.INCORRECT_ORDER_MSG);
}
}
public void Clear()
{
Cast CurrentCast = Cast.CLEAR;
if (CastRule.IsTheOrderingLegit(PreviousCast, CurrentCast))
{
Newcontroller.Instance.Clear();
//執行成功時記錄下這次的Cast
PreviousCast = Cast.CLEAR;
}
else
{
throw new OrderException(CastRule.INCORRECT_ORDER_MSG);
}
}
public NumberResponse AddNumber(char number)
{
Cast CurrentCast = Cast.NUMBER;
//Cast null怎麼辦?暫時先當有number
if (CastRule.IsTheOrderingLegit(PreviousCast, CurrentCast))
{
//執行成功時記錄下這次的Cast
PreviousCast = CurrentCast;
return(Newcontroller.Instance.AddNumber(number));
}
else
{
throw new OrderException(CastRule.INCORRECT_ORDER_MSG);
}
}
public UnaryResponse AddUnary(char unary)
{
Cast CurrentCast = Cast.BACKSPACE;
if (CastRule.IsTheOrderingLegit(PreviousCast, CurrentCast))
{
var response = Newcontroller.Instance.AddUnary(unary);
//執行成功時記錄下這次的Cast
PreviousCast = Cast.UNARY;
return(response);
}
else
{
throw new OrderException(CastRule.INCORRECT_ORDER_MSG);
}
}
public BackSpaceResponse BackSpace()
{
Cast CurrentCast = Cast.BACKSPACE;
if (CastRule.IsTheOrderingLegit(PreviousCast, CurrentCast))
{
var response = Newcontroller.Instance.BackSpace();
//執行成功時記錄下這次的Cast
PreviousCast = Cast.BACKSPACE;
return(response);
}
else
{
throw new OrderException(CastRule.INCORRECT_ORDER_MSG);
}
}
public ClearErrorResponse ClearError()
{
Cast CurrentCast = Cast.CLEAR_ERROR;
if (CastRule.IsTheOrderingLegit(PreviousCast, CurrentCast))
{
var response = Newcontroller.Instance.ClearError();
//執行成功時記錄下這次的Cast
PreviousCast = Cast.CLEAR_ERROR;
return(response);
}
else
{
throw new OrderException(CastRule.INCORRECT_ORDER_MSG);
}
}
public EqualResponse Equal()
{
Cast CurrentCast = Cast.EQUAL;
if (CastRule.IsTheOrderingLegit(PreviousCast, CurrentCast))
{
var equalResponse = Newcontroller.Instance.Equal();
//執行成功時記錄下這次的Cast
PreviousCast = Cast.EQUAL;
return(equalResponse);
}
else
{
throw new OrderException(CastRule.INCORRECT_ORDER_MSG);
}
}