private static void PopulizeTextToken(SkillConditionToken textToken, List <SkillConditionToken> result)
{
if (!string.IsNullOrEmpty(textToken.Value))
{
result.Add(textToken);
}
}
private static bool ExpectToken(SkillConditionTokenType type, SkillConditionToken token)
{
if (token.Type != type)
{
UnityEngine.Debug.LogError("Expected Token: " + type);
return(false);
}
return(true);
}
private static int?ReadNumber(SkillConditionToken token)
{
if (!ExpectToken(SkillConditionTokenType.TextOrNumber, token))
{
return(null);
}
int result = -1;
if (int.TryParse(token.Value, out result))
{
return(result);
}
UnityEngine.Debug.LogError("Expected Token: Number");
return(null);
}
public static List <SkillConditionToken> Tokenize(string unprocessedText)
{
var result = new List <SkillConditionToken>();
var textToken = new SkillConditionToken(SkillConditionTokenType.TextOrNumber);
var text = unprocessedText.Replace("\t", string.Empty).Replace(" ", string.Empty).Replace("\r", string.Empty).Replace("\n", string.Empty);
for (int i = 0; i < text.Length; i++)
{
switch (text[i])
{
case '&':
PopulizeTextToken(textToken, result);
textToken = new SkillConditionToken(SkillConditionTokenType.TextOrNumber);
result.Add(new SkillConditionToken(SkillConditionTokenType.And, "&"));
break;
case '|':
PopulizeTextToken(textToken, result);
textToken = new SkillConditionToken(SkillConditionTokenType.TextOrNumber);
result.Add(new SkillConditionToken(SkillConditionTokenType.Or, "|"));
break;
case '[':
PopulizeTextToken(textToken, result);
textToken = new SkillConditionToken(SkillConditionTokenType.TextOrNumber);
result.Add(new SkillConditionToken(SkillConditionTokenType.SquareBracketOpen, "["));
break;
case ']':
PopulizeTextToken(textToken, result);
textToken = new SkillConditionToken(SkillConditionTokenType.TextOrNumber);
result.Add(new SkillConditionToken(SkillConditionTokenType.SquareBracketClose, "["));
break;
case '(':
PopulizeTextToken(textToken, result);
textToken = new SkillConditionToken(SkillConditionTokenType.TextOrNumber);
result.Add(new SkillConditionToken(SkillConditionTokenType.RoundBracketOpen, "("));
break;
case ')':
PopulizeTextToken(textToken, result);
textToken = new SkillConditionToken(SkillConditionTokenType.TextOrNumber);
result.Add(new SkillConditionToken(SkillConditionTokenType.RoundBracketClose, ")"));
break;
case ',':
PopulizeTextToken(textToken, result);
textToken = new SkillConditionToken(SkillConditionTokenType.TextOrNumber);
result.Add(new SkillConditionToken(SkillConditionTokenType.Comma, ","));
break;
case ':':
PopulizeTextToken(textToken, result);
textToken = new SkillConditionToken(SkillConditionTokenType.TextOrNumber);
result.Add(new SkillConditionToken(SkillConditionTokenType.DoubleDot, ":"));
break;
default:
textToken.Value += text[i];
break;
}
}
PopulizeTextToken(textToken, result);
return(result);
}
