public bool Parse(string text, int currentPosition, IToken currentToken, out int newPosition, out IToken newToken, out IForwardMovingTokenizer newParser)
{
//if we can't find a , or ) then we kack
var idx = text.IndexOf(",", currentPosition);
if (idx == -1)
{
idx = text.IndexOf(")", currentPosition);
if (idx == -1)
{
newPosition = -1;
newToken = null;
newParser = null;
return(false);
}
var substring = text.Substring(currentPosition, idx - currentPosition);
newPosition = idx + 1;
newToken = NaturalToken.New(substring).HasDPCTokenType(DPCTokenType.Item);
newParser = new ToDotParser();
return(true);
}
else
{
var substring = text.Substring(currentPosition, idx - currentPosition);
newPosition = idx + 1;
newToken = NaturalToken.New(substring).HasDPCTokenType(DPCTokenType.Item);
newParser = new ToCommaOrEndParenthesisParser();
return(true);
}
}
public bool Parse(string text, int currentPosition, IToken currentToken, out int newPosition, out IToken newToken, out IForwardMovingTokenizer newParser)
{
//if we can't find a ( then we kack
var idx = text.IndexOf("(", currentPosition);
if (idx == -1)
{
newPosition = -1;
newToken = null;
newParser = null;
return false;
}
else
{
var substring = text.Substring(currentPosition, idx - currentPosition);
newPosition = idx + 1;
newToken = NaturalToken.New(substring).HasDPCTokenType(DPCTokenType.Operation);//build up the token
newParser = new ToCommaOrEndParenthesisParser();
return true;
}
}