BalticAmadeus.FluentMdx.MdxParser.TryParseRange C# (CSharp) Метод

        internal static bool TryParseRange(IStatedTwoWayEnumerator<Token> enumerator, out MdxExpressionBase expression)
        {
            enumerator.SavePosition();
            expression = null;

            var range = new MdxRange();

            MdxExpressionBase fromMember;
            if (!TryParseMember(enumerator, out fromMember))
            {
                enumerator.RestoreLastSavedPosition();
                return false;
            }

            if (!IsNextTokenValid(enumerator, TokenType.RangeSeparator))
            {
                enumerator.RestoreLastSavedPosition();
                return false;
            }

            range.From((MdxMember)fromMember);

            MdxExpressionBase toMember;
            if (!TryParseMember(enumerator, out toMember))
            {
                enumerator.RestoreLastSavedPosition();
                return false;
            }

            range.To((MdxMember) toMember);

            expression = range;

            enumerator.RemoveLastSavedState();
            return true;
        }