private void AddToken(Tokens.IToken token)
{
if (token == null)
{
return;
}
if (token is Tokens.IOperand)
{
_Result.Add(token);
}
if (token is Tokens.IPrioritable)
{
AddToStack(token as Tokens.IPrioritable);
}
}
public List <Tokens.IToken> Parse(string expression)
{
_Stack.Push(new Tokens.End());
int i = 0;
while (i < expression.Length - 1)
{
Tokens.IToken token = TokenFactory.Get(expression[i], expression[i + 1]);
i++;
AddToken(token);
}
Tokens.IToken lastToken = TokenFactory.Get(expression[i], '|');
AddToken(lastToken);
Tokens.IToken endToken = TokenFactory.Get('|', null);
AddToStack(endToken as Tokens.IPrioritable);
return(IsFinish ? _Result : throw new Exceptions.InvalidExpression("Internal error"));
}
