AcTools.DataAnalyzer.RulesSet.CompareHashes C# (CSharp) Method

        public static double CompareHashes(string lhs, string rhs) {
            var lhsLines = Encoding.UTF8.GetString(Convert.FromBase64String(lhs)).Split('\n');
            var rhsLines = Encoding.UTF8.GetString(Convert.FromBase64String(rhs)).Split('\n');

            var size = lhsLines.Length - 1;
            if (size != rhsLines.Length - 1) return 0.0;

            var same = 0;
            for (var i = 0; i < size; i++) {
                if (lhsLines[i] == rhsLines[i]) {
                    same++;
                }
            }

            return (double)same / size;
        }

        public IEnumerable <Simular> FindSimular(string carId, string rulesSetId, string hashValue, double threshold, RulesSet set = null)
        {
            RulesSet.Rule[] workedRules = null;

            if (!_dictionary.ContainsKey(rulesSetId))
            {
                yield break;
            }

            foreach (var pair in _dictionary[rulesSetId])
            {
                if (pair.Key == carId)
                {
                    continue;
                }

                var value = set == null?RulesSet.CompareHashes(hashValue, pair.Value) : RulesSet.CompareHashes(hashValue, pair.Value, set, out workedRules);

                if (value > threshold)
                {
                    yield return(new Simular {
                        CarId = pair.Key, Value = value, WorkedRules = workedRules
                    });
                }
            }
        }