internal Calendar GetCalendar()
{
var rules = new CalendarRules();
foreach (var r in Rules)
{
if (!DayRuleParser.TryParseInternal(r.Pattern,
out var description,
out var yearMatchers,
out var monthMatchers,
out var dayOfMonthMatchers,
out var dayOfWeekMatchers,
out var workingPeriods))
{
throw new SerializationException($"Day pattern '{r.Pattern}' is invalid");
}
if (!string.IsNullOrEmpty(description))
{
throw new SerializationException(
$"Day pattern '{r.Pattern}' is invalid in this context: you cannot provide a day description");
}
if (workingPeriods is not null)
{
throw new SerializationException(
$"Day pattern '{r.Pattern}' is invalid in this context: you cannot provide a working period list");
}
rules.Add(Enum.Parse <DayRulePolicy>(r.Policy), r.Description, yearMatchers, monthMatchers,
dayOfMonthMatchers, dayOfWeekMatchers,
r.WorkingPeriods?.Select(_ => new TimePeriod(Time.Parse(_.Begin), Time.Parse(_.End))));
}
return(new Calendar(Name, rules, Description, LongDescription));
}
public string ToDayPatternString() => DayRuleParser.ToDayPatternString(YearMatchers, MonthMatchers, DayOfMonthMatchers, DayOfWeekMatchers);