private static void GetHumanEnd(RecurrenceRule rrule, StringBuilder sb)
{
if (rrule.Occurrences.HasValue)
{
sb.Append(" pour ");
sb.Append(rrule.Occurrences.Value);
sb.Append(" fois");
}
if (rrule.EndDate.HasValue)
{
sb.Append(" jusqu'au ");
sb.Append(rrule.EndDate.Value.ToString("d MMMM yyyy", FrenchCultureInfo));
}
}
public static string GetText(RecurrenceRule rrule, CultureInfo cultureInfo)
{
if (rrule == null)
{
throw new ArgumentNullException(nameof(rrule));
}
if (cultureInfo == null)
{
cultureInfo = CultureInfo.CurrentUICulture;
}
if (!SupportedHumanizers.TryGetValue(cultureInfo, out var humanizer))
{
if (!cultureInfo.IsNeutralCulture)
{
return(GetText(rrule, cultureInfo.Parent));
}
}
if (humanizer != null)
{
if (rrule is DailyRecurrenceRule dailyRecurrenceRule)
{
return(humanizer.GetText(dailyRecurrenceRule, cultureInfo));
}
if (rrule is WeeklyRecurrenceRule weeklyRecurrenceRule)
{
return(humanizer.GetText(weeklyRecurrenceRule, cultureInfo));
}
if (rrule is MonthlyRecurrenceRule monthlyRecurrenceRule)
{
return(humanizer.GetText(monthlyRecurrenceRule, cultureInfo));
}
if (rrule is YearlyRecurrenceRule yearlyRecurrenceRule)
{
return(humanizer.GetText(yearlyRecurrenceRule, cultureInfo));
}
}
return(null);
}
private static void GetEndHumanText(RecurrenceRule rrule, StringBuilder sb)
{
if (rrule.Occurrences.HasValue)
{
sb.Append(" for ");
sb.Append(rrule.Occurrences.Value);
if (rrule.Occurrences.Value <= 1)
{
sb.Append(" time");
}
else
{
sb.Append(" times");
}
}
if (rrule.EndDate.HasValue)
{
sb.Append(" until ");
sb.Append(rrule.EndDate.Value.ToString("MMMM d, yyyy", EnglishCultureInfo));
}
}
public static bool TryParse(string rrule, out RecurrenceRule recurrenceRule, out string error)
{
if (rrule == null)
{
throw new ArgumentNullException(nameof(rrule));
}
recurrenceRule = null;
error = null;
try
{
// Extract parts
IDictionary <string, string> values = new Dictionary <string, string>(StringComparer.OrdinalIgnoreCase);
var parts = rrule.Split(new[] { ';' }, StringSplitOptions.RemoveEmptyEntries);
foreach (var part in parts)
{
var split = SplitPart(part);
if (values.ContainsKey(split.Item1))
{
error = $"Duplicate name: '{split.Item1}'.";
return(false);
}
if (string.Equals("UNTIL", split.Item1, StringComparison.OrdinalIgnoreCase) && values.ContainsKey("COUNT"))
{
error = "Cannot set UNTIL and COUNT in the same recurrence rule.";
return(false);
}
if (string.Equals("COUNT", split.Item1, StringComparison.OrdinalIgnoreCase) && values.ContainsKey("UNTIL"))
{
error = "Cannot set UNTIL and COUNT in the same recurrence rule.";
return(false);
}
values.Add(split.Item1, split.Item2);
}
// Set specific properties
var frequency = values.GetValue("FREQ", Frequency.None);
switch (frequency)
{
case Frequency.Daily:
var dailyRecurrenceRule = new DailyRecurrenceRule
{
ByMonthDays = ParseByMonthDays(values),
ByMonths = ParseByMonth(values),
ByWeekDays = ParseByDay(values)
};
recurrenceRule = dailyRecurrenceRule;
break;
case Frequency.Weekly:
var weeklyRecurrence = new WeeklyRecurrenceRule
{
ByMonths = ParseByMonth(values),
ByWeekDays = ParseByDay(values)
};
recurrenceRule = weeklyRecurrence;
break;
case Frequency.Monthly:
var monthlyRecurrence = new MonthlyRecurrenceRule
{
ByWeekDays = ParseByDayWithOffset(values),
ByMonthDays = ParseByMonthDays(values),
ByMonths = ParseByMonth(values)
};
recurrenceRule = monthlyRecurrence;
break;
case Frequency.Yearly:
var yearlyRecurrence = new YearlyRecurrenceRule
{
ByWeekDays = ParseByDayWithOffset(values),
ByMonthDays = ParseByMonthDays(values),
BySetPositions = ParseBySetPos(values),
ByMonths = ParseByMonth(values),
ByYearDays = ParseByYearDay(values)
};
//yearlyRecurrence.ByWeekNo = ParseByWeekNo(values);
recurrenceRule = yearlyRecurrence;
break;
default:
error = "Unknown Frequency (FREQ).";
return(false);
}
// Set general properties
// Set Interval
recurrenceRule.Interval = values.GetValue("INTERVAL", 1);
recurrenceRule.Occurrences = values.GetValue("COUNT", (int?)null);
var until = values.GetValue("UNTIL", (string)null);
if (until != null)
{
recurrenceRule.EndDate = Utilities.ParseDateTime(until);
}
recurrenceRule.BySetPositions = ParseBySetPos(values);
recurrenceRule.WeekStart = ParseWeekStart(values);
return(true);
}
catch (FormatException e)
{
error = e.Message;
return(false);
}
}
public static bool TryParse(string rrule, out RecurrenceRule recurrenceRule)
{
return(TryParse(rrule, out recurrenceRule, out string error));
}
public static string GetText(RecurrenceRule rrule)
{
return(GetText(rrule, cultureInfo: null));
}
public static string?GetHumanText(this RecurrenceRule rrule)
{
return(RecurrenceRuleHumanizer.GetText(rrule, cultureInfo: null));
}
public static string GetHumanText(this RecurrenceRule rrule)
{
return(RecurrenceRuleHumanizer.GetText(rrule));
}
public static string GetHumanText(this RecurrenceRule rrule, CultureInfo cultureInfo)
{
return(RecurrenceRuleHumanizer.GetText(rrule, cultureInfo));
}