/// <summary>
/// Deserializes the specified recurrence.
/// </summary>
/// <param name="recurrence">The recurrence.</param>
/// <returns>The Recurrence Data.</returns>
public static RecurrenceData Deserialize(string recurrence)
{
var result = new RecurrenceData();
if (StartRegex.IsMatch(recurrence))
{
var dateString = StartRegex.Match(recurrence).Groups["Date"].Value;
bool allDayEvent;
DateTime dateTime;
if(dateString.ToDate(out dateTime, out allDayEvent))
{
result.StartTime = dateTime;
result.AllDayEvent = allDayEvent;
}
}
if (EndRegex.IsMatch(recurrence))
{
var dateString = EndRegex.Match(recurrence).Groups["Date"].Value;
bool allDayEvent;
DateTime dateTime;
if (dateString.ToDate(out dateTime, out allDayEvent))
{
result.EndTime = dateTime;
result.AllDayEvent = allDayEvent;
}
}
if (RuleRegex.IsMatch(recurrence))
{
var ruleString = RuleRegex.Match(recurrence).Groups["Rule"].Value;
var rules = ruleString.Split(';');
foreach (var rule in rules)
{
if (FrequenceRegex.IsMatch(rule))
{
var value = FrequenceRegex.Match(rule).Groups["Value"].Value;
result.RecurrenceType = GetRecurrenceType(value);
}
if (ByDayRegex.IsMatch(rule))
{
var value = ByDayRegex.Match(rule).Groups["Value"].Value;
int integer;
if (int.TryParse(value, out integer))
{
result.DayOfMonth = integer;
}
}
if (ByWeekDayRegex.IsMatch(rule))
{
var value = ByWeekDayRegex.Match(rule).Groups["Value"].Value;
result.DayOfWeek = GetDayOfWeek(value);
}
if (ByMonthRegex.IsMatch(rule))
{
var value = ByMonthRegex.Match(rule).Groups["Value"].Value;
int integer;
if (int.TryParse(value, out integer))
{
result.MonthOfYear = integer;
}
}
if (IntervalRegex.IsMatch(rule))
{
var value = IntervalRegex.Match(rule).Groups["Value"].Value;
int integer;
if (int.TryParse(value, out integer))
{
result.Interval = integer;
}
}
if (UntilRegex.IsMatch(rule))
{
var dateString = UntilRegex.Match(rule).Groups["Date"].Value;
bool allDayEvent;
DateTime dateTime;
if (dateString.ToDate(out dateTime, out allDayEvent))
{
result.EndPattern = dateTime;
}
}
else if (CountRegex.IsMatch(rule))
{
var value = CountRegex.Match(rule).Groups["Value"].Value;
int integer;
if (int.TryParse(value, out integer))
{
result.Count = integer;
}
}
}
}
return result;
}
/// <summary>
/// Deserializes the specified recurrence.
/// </summary>
/// <param name="recurrence">The recurrence.</param>
/// <returns>The Recurrence Data.</returns>
public static RecurrenceData Deserialize(string recurrence)
{
var result = new RecurrenceData();
if (StartRegex.IsMatch(recurrence))
{
var dateString = StartRegex.Match(recurrence).Groups["Date"].Value;
bool allDayEvent;
DateTime dateTime;
if (dateString.ToDate(out dateTime, out allDayEvent))
{
result.StartTime = dateTime;
result.AllDayEvent = allDayEvent;
}
}
if (EndRegex.IsMatch(recurrence))
{
var dateString = EndRegex.Match(recurrence).Groups["Date"].Value;
bool allDayEvent;
DateTime dateTime;
if (dateString.ToDate(out dateTime, out allDayEvent))
{
result.EndTime = dateTime;
result.AllDayEvent = allDayEvent;
}
}
if (RuleRegex.IsMatch(recurrence))
{
var ruleString = RuleRegex.Match(recurrence).Groups["Rule"].Value;
var rules = ruleString.Split(';');
foreach (var rule in rules)
{
if (FrequenceRegex.IsMatch(rule))
{
var value = FrequenceRegex.Match(rule).Groups["Value"].Value;
result.RecurrenceType = GetRecurrenceType(value);
}
if (ByDayRegex.IsMatch(rule))
{
var value = ByDayRegex.Match(rule).Groups["Value"].Value;
int integer;
if (int.TryParse(value, out integer))
{
result.DayOfMonth = integer;
}
}
if (ByWeekDayRegex.IsMatch(rule))
{
var value = ByWeekDayRegex.Match(rule).Groups["Value"].Value;
result.DayOfWeek = GetDayOfWeek(value);
}
if (ByMonthRegex.IsMatch(rule))
{
var value = ByMonthRegex.Match(rule).Groups["Value"].Value;
int integer;
if (int.TryParse(value, out integer))
{
result.MonthOfYear = integer;
}
}
if (IntervalRegex.IsMatch(rule))
{
var value = IntervalRegex.Match(rule).Groups["Value"].Value;
int integer;
if (int.TryParse(value, out integer))
{
result.Interval = integer;
}
}
if (UntilRegex.IsMatch(rule))
{
var dateString = UntilRegex.Match(rule).Groups["Date"].Value;
bool allDayEvent;
DateTime dateTime;
if (dateString.ToDate(out dateTime, out allDayEvent))
{
result.EndPattern = dateTime;
}
}
else if (CountRegex.IsMatch(rule))
{
var value = CountRegex.Match(rule).Groups["Value"].Value;
int integer;
if (int.TryParse(value, out integer))
{
result.Count = integer;
}
}
}
}
return(result);
}
