private static RecurrencePattern parseEndType(RecurrencePattern recurrencePattern, byte[] recurrence)
{
int n = 4;
if (recurrence[6] == 0)
{
n = 0;
}
else if (recurrence[6] == 3)
{
n = 8;
}
if (recurrence[22 + n] == 35 && recurrence[23 + n] == 32)
{
//no end
recurrencePattern.hasEnd = false;
}
if (recurrence[22 + n] == 34 && recurrence[23 + n] == 32)
{
//end after n occurence
string _a = System.Convert.ToString(recurrence[23 + n + 4], 16);
string _b = System.Convert.ToString(recurrence[23 + n + 3], 16);
int _c = System.Convert.ToInt32(_a + _b, 16);
recurrencePattern.hasEnd = true;
recurrencePattern.numberOfOccurrences = _c;
}
if (recurrence[22 + n] == 33 && recurrence[23 + n] == 32)
{
//end after date
string _a = System.Convert.ToString(recurrence[23 + n + 4], 16);
string _b = System.Convert.ToString(recurrence[23 + n + 3], 16);
int _c = System.Convert.ToInt32(_a + _b, 16);
recurrencePattern.hasEnd = true;
recurrencePattern.numberOfOccurrences = _c;
}
return recurrencePattern;
}
private static RecurrencePattern parseRecurrenceMeeting(byte[] recurrence)
{
RecurrencePattern recurrencePattern = new RecurrencePattern();
int startMinutes = 0;
int endMinutes = 0;
for (int i = 40; i < recurrence.Length; i++)
{
if (recurrence[i] == 6 && recurrence[i + 1] == 48 && recurrence[i + 2] == 0 && recurrence[i + 3] == 0)
{
string a = System.Convert.ToString(recurrence[i - 1], 16);
string b = System.Convert.ToString(recurrence[i - 2], 16);
String c = System.Convert.ToString(recurrence[i - 3], 16);
String d = System.Convert.ToString(recurrence[i - 4], 16);
endMinutes = System.Convert.ToInt32(a + b + c + d, 16);
a = System.Convert.ToString(recurrence[i - 5], 16);
b = System.Convert.ToString(recurrence[i - 6], 16);
c = System.Convert.ToString(recurrence[i - 7], 16);
d = System.Convert.ToString(recurrence[i - 8], 16);
startMinutes = System.Convert.ToInt32(a + b + c + d, 16);
break;
}
}
DateTime startDate = Convert.ToDateTime("1601-1-1");
startDate = startDate.AddMinutes(startMinutes);
DateTime endDate = Convert.ToDateTime("1601-1-1");
endDate = endDate.AddMinutes(endMinutes);
recurrencePattern.startDate = startDate;
recurrencePattern.endDate = endDate;
if (recurrence[4] == 10 && recurrence[5] == 32)
{
//its a daily meeting
recurrencePattern.patternType = PatternType.DAILY;
string a = System.Convert.ToString(recurrence[15], 16);
string b = System.Convert.ToString(recurrence[14], 16);
int c = System.Convert.ToInt32(a + b, 16);
c = c / 60 / 24;//its recurrence number. for example c=1 means every 1 day
recurrencePattern.dailyInterval = c;
if (recurrence[6] == 1)
{
//weekday meeting.
recurrencePattern.dailyInterval = -1;//-1 means weekday.
}
recurrencePattern = parseEndType(recurrencePattern, recurrence);
}
else if (recurrence[4] == 11 && recurrence[5] == 32)
{
//weekly meeting
recurrencePattern.patternType = PatternType.WEEKLY;
string a = System.Convert.ToString(recurrence[15], 16);
string b = System.Convert.ToString(recurrence[14], 16);
int c = System.Convert.ToInt32(a + b, 16);//for example, c=1 means every 1 week
recurrencePattern.weeklyInterval = c;
if (recurrence[6] == 1)
{
int weeks = recurrence[22];
byte[] list = BitConverter.GetBytes(weeks);
System.Collections.BitArray arr = new System.Collections.BitArray(list);
bool sbit = arr[0];//Sunday
bool mbit = arr[1];//Monday
bool tubit = arr[2];//Tuesday
bool wbit = arr[3];//Wednesday
bool thbit = arr[4];//Thursday
bool fbit = arr[5];//Friday
bool sabit = arr[6];//Saturday
List<dayOfWeekType> daysOfWeeklist = new List<dayOfWeekType>();
if (sbit)
{
daysOfWeeklist.Add(dayOfWeekType.SUN);
}
if (mbit)
{
daysOfWeeklist.Add(dayOfWeekType.MON);
}
if (tubit)
{
daysOfWeeklist.Add(dayOfWeekType.TUE);
}
if (wbit)
{
daysOfWeeklist.Add(dayOfWeekType.WED);
}
if (thbit)
{
daysOfWeeklist.Add(dayOfWeekType.THU);
}
if (fbit)
{
daysOfWeeklist.Add(dayOfWeekType.FRI);
}
if (sabit)
{
daysOfWeeklist.Add(dayOfWeekType.SAT);
}
dayOfWeekType[] daysOfWeek = daysOfWeeklist.ToArray();
recurrencePattern.daysOfWeek = daysOfWeek;
}
recurrencePattern = parseEndType(recurrencePattern, recurrence);
}
else if (recurrence[4] == 12 && recurrence[5] == 32)
{
//monthly meeting
string a = System.Convert.ToString(recurrence[15], 16);
string b = System.Convert.ToString(recurrence[14], 16);
int c = System.Convert.ToInt32(a + b, 10);//for example, c=1 means every 1 month
recurrencePattern.monthlyInterval = c;
if (recurrence[6] == 2)// the first radio box
{
recurrencePattern.patternType = PatternType.MONTHLY;
int dayth = recurrence[22];//fox example, dayth=2 means the second day every month
recurrencePattern.dayOfMonth = dayth;
}
else if (recurrence[6] == 3)// the second radio box
{
recurrencePattern.patternType = PatternType.RELATIVE_MONTHLY;
int ordernumber = recurrence[26];//the first/second/third/fourth/last weeks
switch (ordernumber)
{
case 1:
recurrencePattern.weekOfMonth = WeekOfMonthType.FIRST;
break;
case 2:
recurrencePattern.weekOfMonth = WeekOfMonthType.SECOND;
break;
case 3:
recurrencePattern.weekOfMonth = WeekOfMonthType.THIRD;
break;
case 4:
recurrencePattern.weekOfMonth = WeekOfMonthType.FOURTH;
break;
case 5:
recurrencePattern.weekOfMonth = WeekOfMonthType.LAST;
break;
}
int weekth = recurrence[22];//
switch (weekth)
{
case 1:
recurrencePattern.dayOfWeekOfMonthly = dayRecurrenceType.SUN;
break;
case 2:
recurrencePattern.dayOfWeekOfMonthly = dayRecurrenceType.MON;
break;
case 4:
recurrencePattern.dayOfWeekOfMonthly = dayRecurrenceType.TUE;
break;
case 8:
recurrencePattern.dayOfWeekOfMonthly = dayRecurrenceType.WED;
break;
case 16:
recurrencePattern.dayOfWeekOfMonthly = dayRecurrenceType.THU;
break;
case 64:
recurrencePattern.dayOfWeekOfMonthly = dayRecurrenceType.SAT;
break;
case 127:
recurrencePattern.dayOfWeekOfMonthly = dayRecurrenceType.ANYDAY;
break;
case 62:
recurrencePattern.dayOfWeekOfMonthly = dayRecurrenceType.WEEKDAY;
break;
case 65:
recurrencePattern.dayOfWeekOfMonthly = dayRecurrenceType.WEEKENDDAY;
break;
}
}
recurrencePattern = parseEndType(recurrencePattern, recurrence);
}
else if (recurrence[4] == 13 && recurrence[5] == 32)
{
//yearly meeting
recurrencePattern.patternType = PatternType.YEARLY;
recurrencePattern = parseEndType(recurrencePattern, recurrence);
}
return recurrencePattern;
}