public void RightBracket()
{
//要防的呆應該有點多
//防呆1
if (Number != null)
{
expController.Add(Number.Value.Value);
System.Diagnostics.Debug.WriteLine("value = " + Number.Value.Value);
}
expController.RightBracket();
Number = null;
}
/// <summary>
/// 輸入用戶id。body可能會有數字(int)、運算符(char)、左括號(bool)、右括號(bool)、單元運算列(List(char))
/// </summary>
/// <param name="userId">用戶id</param>
/// <returns>Response</returns>
public IHttpActionResult PostInputOperator(int userId)
{
//讀取body
OperatorExpression expression = Request.Content.ReadAsAsync <OperatorExpression>().Result;
ExpressionController expController = Users.GetExpressionController(userId);
char BinaryName = expression.BinaryOperator.Value;
//引入字典
//BinaryOperator binaryOperator = Operators.BinaryDic[BinaryName];
BinaryOperator binaryOperator = Operators.GetBinary(BinaryName);
List <UnaryOperator> unaryList = (expression.UnaryList == null) ? new List <UnaryOperator>()
: expression.UnaryList.Select(x => Operators.GetUnary(x)).ToList();
decimal number = expression.Number ?? 0;
//處理四種case
switch (expression.Type())
{
case ExpType.OP:
expController.Modify(binaryOperator);
break;
case ExpType.NUM_OP:
expController.Add(number, unaryList);
expController.Add(binaryOperator);
break;
case ExpType.LB_NUM_OP:
expController.LeftBracket();
expController.Add(number, unaryList);
expController.Add(binaryOperator);
break;
case ExpType.NUM_RB_OP:
expController.Add(number, unaryList);
expController.RightBracket();
expController.Add(binaryOperator);
break;
default:
throw new Exception("運算表達格式錯誤");
}
return(Ok(new { msg = "success" }));
}
/// <summary>
/// 取得運算結果。body可能會有數字(int)、右括號(bool)、單元運算列(List(char))
/// </summary>
/// <param name="userIdForAns">用戶ID</param>
/// <returns>運算結果</returns>
public IHttpActionResult PostAnswer(int userIdForAns)
{
//讀取body
EqualExpression equalexpression = Request.Content.ReadAsAsync <EqualExpression>().Result;
ExpressionController expController = Users.GetExpressionController(userIdForAns);
List <UnaryOperator> unaryList = (equalexpression.UnaryList == null) ?
new List <UnaryOperator>()
: equalexpression.UnaryList.Select(x => Operators.GetUnary(x)).ToList();
decimal?number = equalexpression.Number;
decimal ans = 0;
try
{
switch (equalexpression.Type())
{
case EqualType.NUM_EQUAL:
expController.Add(number.Value, unaryList);
ans = expController.GetResult();
break;
case EqualType.NUM_RB_EQUAL:
expController.Add(number.Value, unaryList);
expController.RightBracket();
ans = expController.GetResult();
break;
default:
throw new Exception("EqualType錯誤");
}
}
catch (Exception)
{
expController.Clear();
return(Ok("fail"));
}
return(Ok(ans));
}