public static bool CompareString(string expr)
{
expr = expr.Replace(" ", "");
expr = expr.Replace("()", "true").Replace(")(", ")&&(");
string[] sa = MiMFa_StringService.GetAllWordsBetween(expr, "(", ")", true).ToArray();
if (sa.Length > 0)
{
string[] sanew = new string[sa.Length];
for (int i = 0; i < sa.Length; i++)
{
sanew[i] = CompareString(sa[i].Replace("(", "").Replace(")", "")).ToString();
}
expr = MiMFa_StringService.ReplaceWithAllByOrder(expr, sa, sanew);
}
expr = expr.Trim();
expr = LikeLapSignC(expr, "<=", ">=", "<", ">");
expr = LikeLapSignC(expr, "!==", "===", "~==", "~=", "!=", "==");
expr = LikeLapSignC(expr, "&&", "||");
return(MiMFa_Convert.ToBoolean(expr));
}
public static bool CompareString(object op1, string sign, object op2)
{
try
{
Func <object, object> normal = (o) =>
{
if (!string.IsNullOrEmpty(o.ToString()))
{
return(o);
}
return(true);
};
op1 = normal(op1);
op2 = normal(op2);
double d1;
double d2;
bool b1;
bool b2;
switch (sign)
{
case "===": return(op1.Equals(op2));
case "!==": return(!op1.Equals(op2));
case "==":
return(op1.ToString() == op2.ToString());
case "!=":
return(op1.ToString() != op2.ToString());
case "~==":
return(op1.GetType() == op2.GetType() && MiMFa_StringService.ComparePerCent(op1.ToString(), op2.ToString()) > 70);
case "~=":
return(MiMFa_StringService.ComparePerCent(op1.ToString(), op2.ToString()) > 70);
case ">":
d1 = MiMFa_Convert.ForceToDouble(op1);
d2 = MiMFa_Convert.ForceToDouble(op2);
return(d1 > d2);
case "<":
d1 = MiMFa_Convert.ForceToDouble(op1);
d2 = MiMFa_Convert.ForceToDouble(op2);
return(d1 < d2);
case ">=":
d1 = MiMFa_Convert.ForceToDouble(op1);
d2 = MiMFa_Convert.ForceToDouble(op2);
return(d1 >= d2);
case "<=":
d1 = MiMFa_Convert.ForceToDouble(op1);
d2 = MiMFa_Convert.ForceToDouble(op2);
return(d1 <= d2);
case "&&":
b1 = MiMFa_Convert.ToBoolean(op1);
b2 = MiMFa_Convert.ToBoolean(op2);
return(b1 && b2);
case "||":
b1 = MiMFa_Convert.ToBoolean(op1);
b2 = MiMFa_Convert.ToBoolean(op2);
return(b1 || b2);
case "is": return(op1.GetType() == op2.GetType());
}
DataTable dt = new DataTable();
return(Convert.ToBoolean(dt.Compute(op1 + sign + op2, "")));;
}
catch { throw new Exception("Invalid character."); }
}