public static bool ValueMatchesValidValue()

in src/common/details/named_values/parsers/named_value_token_parser_helpers.cs [88:118]

• 24 lines of code
• 18 McCabe index (conditional complexity)

        public static bool ValueMatchesValidValue(string? validValues, string? peekToken, string? peekTokenValue, bool skipAtAt = false)
        {
            if (peekToken == null) return false;
            if (peekTokenValue == null) return false;
            if (validValues == null) return true;

            bool checkAtAt = validValues == "@@";
            if (checkAtAt && skipAtAt) return false;

            bool atAtOk = !string.IsNullOrEmpty(peekToken);
            if (checkAtAt) return atAtOk;

            bool checkAt = validValues.Length <= 3 && validValues.Contains("@");
            bool atOk = peekToken.StartsWith("@") || (peekToken.StartsWith("=@") && !peekTokenValue.StartsWith("=@"));
            if (checkAt && atOk) return true;

            bool checkSemi = validValues.Length <= 3 && validValues.Contains(";");
            bool semiOk = peekToken.Contains(";");
            if (checkSemi && semiOk) return true;

            bool checkTab = validValues.Length <= 3 && validValues.Contains("\t");
            bool semiTab = peekToken.Contains("\t");
            if (checkTab && semiTab) return true;

            foreach (var validValue in validValues.Split(';'))
            {
                if (peekTokenValue == validValue) return true;
            }

            return false;
        }