/// <summary>
/// Try to parse the value for the schedule
/// </summary>
/// <param name="value"></param>
/// <param name="schedule"></param>
/// <returns></returns>
public static bool TryParse(string value, out CrontabSchedule schedule)
{
schedule = null;
if (string.IsNullOrEmpty(value))
{
return(false);
}
string[] array = value.Split(Separator, StringSplitOptions.RemoveEmptyEntries);
if (array.Length == 0)
{
return(false);
}
var v1 = array[0];
if (CrontabValueMinute.TryParse(v1, out CrontabValueMinute minute))
{
CrontabValueHour hour = null;
CrontabValueDay day = null;
CrontabValueMonth month = null;
CrontabValueWeek week = null;
if (array.Length >= 2)
{
if (!CrontabValueHour.TryParse(array[1], out hour))
{
return(false);
}
}
if (array.Length >= 3)
{
if (!CrontabValueDay.TryParse(array[2], out day))
{
return(false);
}
}
if (array.Length >= 4)
{
if (!CrontabValueMonth.TryParse(array[3], out month))
{
return(false);
}
}
if (array.Length >= 5)
{
if (!CrontabValueWeek.TryParse(array[4], out week))
{
return(false);
}
}
if (array.Length >= 6)
{
return(false);
}
var timeGroup = new CrontabValueHourMinuteGroup(minute, hour);
var dateGroup = new CrontabValueMonthDayGroup(day, month);
schedule = new CrontabSchedule(value, timeGroup, dateGroup, week);
return(true);
}
else if (CrontabValueTimeRange.TryParse(v1, out CrontabValueTimeRange timeRange))
{
CrontabValueDay day = null;
CrontabValueMonth month = null;
CrontabValueWeek week = null;
if (array.Length >= 2)
{
if (!CrontabValueDay.TryParse(array[1], out day))
{
return(false);
}
}
if (array.Length >= 3)
{
if (!CrontabValueMonth.TryParse(array[2], out month))
{
return(false);
}
}
if (array.Length >= 4)
{
if (!CrontabValueWeek.TryParse(array[3], out week))
{
return(false);
}
}
if (array.Length >= 5)
{
return(false);
}
var timeGroup = new CrontabValueTimeRangeGroup(timeRange);
var dateGroup = new CrontabValueMonthDayGroup(day, month);
schedule = new CrontabSchedule(value, timeGroup, dateGroup, week);
return(true);
}
else
{
return(false);
}
}
public CrontabValueMonthDayGroup(CrontabValueDay day, CrontabValueMonth month)
{
this.day = day;
this.month = month;
}
public static bool TryParse(string value, out CrontabValueDay crontabValue)
{
crontabValue = null;
var list = new List <CrontabValueNode>();
var listDyn = new List <CrontabDynamicEndValueNode>();
var array = value.Split(Separator, StringSplitOptions.RemoveEmptyEntries);
foreach (var item in array)
{
if (item == "*" || item == "*/1")
{
crontabValue = new CrontabValueDay(null, null);
return(true);
}
var endmatch = EndRegex.Match(item);
if (endmatch.Success)
{
var end = 0;
if (endmatch.Groups["end"].Success)
{
var i = Convert.ToInt32(endmatch.Groups["end"].Value);
if (i > max - 1)
{
return(false);
}
end = -1 * i;
}
listDyn.Add(new SingleCrontabDynamicValueNode(end));
continue;
}
if (int.TryParse(item, out int data))
{
if (data >= min && data <= max)
{
list.Add(new SingleCrontabValueNode(data));
continue;
}
else
{
return(false);
}
}
var aftmatch = AllFromToRegex.Match(item);
if (aftmatch.Success)
{
var interval = Convert.ToInt32(aftmatch.Groups["interval"].Value);
if (interval > 0)
{
list.Add(new RangeCrontabValueNode(min, max, min, max, interval));
continue;
}
else
{
return(false);
}
}
var ftmatch = FromToRegex.Match(item);
if (ftmatch.Success)
{
var start = Convert.ToInt32(ftmatch.Groups["start"].Value);
var end = Convert.ToInt32(ftmatch.Groups["end"].Value);
var interval = 1;
if (ftmatch.Groups["interval"].Success)
{
interval = Convert.ToInt32(ftmatch.Groups["interval"].Value);
}
if (start >= min && start <= max && end >= min && end <= max && interval > 0)
{
list.Add(new RangeCrontabValueNode(min, max, start, end, interval));
continue;
}
else
{
return(false);
}
}
var eftmatch = EndFromToRegex.Match(item);
if (eftmatch.Success)
{
var startv = eftmatch.Groups["start"].Value;
var endv = eftmatch.Groups["end"].Value;
var start = 0;
var end = 0;
if (startv[0] == 'e')
{
if (startv.Length > 1)
{
var i = Convert.ToInt32(startv.Substring(1));
if (i > max - 1)
{
return(false);
}
start = -1 * i;
}
}
else
{
start = Convert.ToInt32(startv);
if (start == 0 || start > max)
{
return(false);
}
}
if (endv[0] == 'e')
{
if (endv.Length > 1)
{
var i = Convert.ToInt32(endv.Substring(1));
if (i > max - 1)
{
return(false);
}
end = -1 * i;
}
}
else
{
end = Convert.ToInt32(endv);
if (end == 0 || end > max)
{
return(false);
}
}
var interval = 1;
if (ftmatch.Groups["interval"].Success)
{
interval = Convert.ToInt32(ftmatch.Groups["interval"].Value);
if (interval == 0)
{
return(false);
}
}
listDyn.Add(new RangeCrontabDynamicValueNode(min, max, start, end, interval));
continue;
}
return(false);
}
if (list.Count == 0 && listDyn.Count == 0)
{
return(false);
}
else
{
crontabValue = new CrontabValueDay(list, listDyn);
return(true);
}
}