public string Infiks2Postfiks(string expression)
{
string result = "";
foreach (char symbol in expression)
{
if (!IsOperator(symbol))
{
result += symbol;
}
else if (symbol == '(')
{
Stock.AddFirst(symbol);
Debug.Write(Stock.First);
}
else if (symbol == ')')
{
while (Stock.First() != '(')
{
result += GetFirst();
}
GetFirst(); //wyrzucenie nawiasu
}
else if (IsOperator(symbol))
{
int rank = GetPriorytet(symbol);
while (Stock.Count != 0)
{
if (rank < GetPriorytet(Stock.First()))
{
result += GetFirst();
}
else
{
break;
}
}
Stock.AddFirst(symbol);
}
string StockTemp = "";
foreach (var item in Stock)
{
StockTemp += item;
}
Steps.Add(new Step(result, StockTemp));
}
Debug.Write(Stock.Count);
//Debug.Write(Stock.First());
while (Stock.Count > 0)
{
result += GetFirst();
}
Steps.Add(new Step(result, ""));
return(result);
}