/// <summary>
/// Calculates the given infix string. Throws if input is invalid
/// </summary>
/// <exception cref="ArgumentException"></exception>
/// <param name="input"></param>
/// <returns>The calculated value of the input</returns>
public int CalculateExpression(string input)
{
var infix = input.Replace(" ", string.Empty);
if (_tokenizer.IsValid(infix))
{
infix = _tokenizer.Tokenize(infix);
var postfix = _infixToPostfixConverter.InFixToPostFix(infix);
var expression = _expressionBuilder.Build(postfix.ToArray());
return(expression.Interpret());
}
throw new ArgumentException("Not a valid input");
}
