private (List <MathOperation> mathOperations, List <decimal> values) PrepareData(string expression)
{
List <MathOperation> mathOperations = new List <MathOperation>();
List <decimal> values = new List <decimal>();
StringBuilder stringBuilder = new StringBuilder();
foreach (char c in expression)
{
if (Char.IsDigit(c))
{
stringBuilder.Append(c);
}
else
{
mathOperations.Add(MathOperationHelper.ConvertCharToMathOperation(c));
values.Add(Decimal.Parse(stringBuilder.ToString()));
stringBuilder = new StringBuilder();
}
}
values.Add(Decimal.Parse(stringBuilder.ToString()));
return(mathOperations, values);
}
public OperationToken(char c)
{
Operation = MathOperationHelper.ConvertCharToMathOperation(c);
}