static void Main(string[] args)
{
Console.WriteLine("Строковый калькулятор");
string s = null;
while (s != "нет")
{
Console.WriteLine("Введите пример:");
s = Console.ReadLine();
var result = new StringCalc(s);
Console.WriteLine(result.Message);
Console.WriteLine("Повторить?(да/нет)");
s = Console.ReadLine();
}
}
private static void Main(string[] args)
{
char[] operations = { ',', '+', '-', '/', '*', '^', '(', ')', 'E', 'e' };
do
{
try
{
string expression = string.Empty;
char a;
while ((a = Console.ReadKey(true).KeyChar) != '=')
{
if (char.IsDigit(a) || operations.Contains(a))
{
expression += a;
Console.Write(a);
}
if (a == '\b' && expression.Length != 0)
{
expression = expression.Remove(expression.Length - 1);
Console.Write("\b \b");
}
}
Console.Write('=');
StringCalc calculator = new StringCalc();
Console.WriteLine(calculator.Calculate(expression));
}
catch (ArgumentException ex)
{
Console.WriteLine(ex.Message);
}
catch (OverflowException)
{
Console.WriteLine("\nOverflow error in the calculation");
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
}
finally
{
Console.WriteLine("Try again?[Esc to exit]");
}
} while (Console.ReadKey(true).Key != ConsoleKey.Escape);
}