C# (CSharp) FilterExpressionTokenizer.TryTokenize Examples

Example #1

File: FilterExpressionParser.cs Project: skbkontur/serilog-filters-expressions

        public static bool TryParse(string filterExpression, out FilterExpression root, out string error)
        {
            if (filterExpression == null)
            {
                throw new ArgumentNullException(nameof(filterExpression));
            }

            var tokenList = _tokenizer.TryTokenize(filterExpression);

            var errorList = new List <string>();

            if (!tokenList.HasValue)
            {
                error = tokenList.ToString();
                root  = null;
                return(false);
            }

            var result = FilterExpressionTokenParsers.Expr.AtEnd().TryParse(tokenList.Value);

            if (!result.HasValue)
            {
                error = result.ToString();
                root  = null;
                return(false);
            }

            root  = result.Value;
            error = null;
            return(true);
        }