Beispiel #1
0
        public static DateTime Evaluate(string value)
        {
            DateTime result;

            if (DateMath.TryEvaluate(value, out result))
            {
                return(result);
            }

            throw new FormatException("Invalid format: '" + value + "'.");
        }
Beispiel #2
0
        public static bool TryParse(string value, out DateTimeWindow result)
        {
            if (string.IsNullOrEmpty(value))
            {
                throw new ArgumentNullException("value");
            }

            var match = StringFormatExpression.Match(value);

            if (!match.Success)
            {
                result = null;
                return(false);
            }

            var      startExpr = match.Groups["start"].Value;
            DateTime?start     = null;

            if (startExpr != "*" && !DateMath.TryEvaluate(startExpr, out start))
            {
                result = null;
                return(false);
            }

            var      endExpr = match.Groups["end"].Value;
            DateTime?end     = null;

            if (endExpr != "*" && !DateMath.TryEvaluate(endExpr, out end))
            {
                result = null;
                return(false);
            }

            result = new DateTimeWindow(start, end);
            return(true);
        }