private static CronRange ParseRangeExpression(CronField cronField, string rangeExpression)
{
try
{
var range = rangeExpression.Split('-');
return new CronRange(cronField.ValueToIndex(Int32.Parse(range[UpperIndex])), cronField.ValueToIndex(Int32.Parse(range[LowerIndex])));
}
catch (FormatException ex)
{
throw new CronException("The range expression is incorrectly formatted.", ex);
}
}
public static CronRange FromExpression(CronField cronField, string rangeExpression)
{
Mandate.ParameterNotNullOrEmpty(rangeExpression, "rangeExpression");
int parsed;
if(Int32.TryParse(rangeExpression, out parsed))
{
return new CronRange(cronField.ValueToIndex(parsed), cronField.ValueToIndex(parsed));
}
return ParseRangeExpression(cronField, rangeExpression);
}