mirror of
https://github.com/inverse-inc/sogo.git
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Monotone-Parent: 4e8caa9222644e6820515bbf312f74dbd372c2fc
Monotone-Revision: 25c172f93ef4ab6ada0aeb6ff4267e98aef8b719 Monotone-Author: wsourdeau@inverse.ca Monotone-Date: 2008-12-10T18:57:55 Monotone-Branch: ca.inverse.sogo
This commit is contained in:
Wolfgang Sourdeau
@@ -32,8 +32,10 @@
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#import "NSCalendarDate+ICal.h"
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#import <string.h>
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@interface iCalRecurrenceCalculator(PrivateAPI)
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- (NSCalendarDate *)lastInstanceStartDate;
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@interface iCalRecurrenceCalculator (PrivateAPI)
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- (NSCalendarDate *) lastInstanceStartDate;
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@end
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// #define HEAVY_DEBUG 1
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@@ -44,7 +46,8 @@ typedef BOOL NGMonthSet[12];
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typedef BOOL NGMonthDaySet[32]; // 0 is unused
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static void
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NGMonthDaySet_clear(NGMonthDaySet *daySet)
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NGMonthDaySet_clear (NGMonthDaySet *daySet)
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{
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register unsigned i;
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@@ -53,70 +56,81 @@ NGMonthDaySet_clear(NGMonthDaySet *daySet)
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}
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static void
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NGMonthDaySet_copyOrUnion(NGMonthDaySet *base, NGMonthDaySet *new,
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BOOL doCopy)
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NGMonthDaySet_copyOrUnion (NGMonthDaySet *base, NGMonthDaySet *new,
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BOOL doCopy)
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{
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register unsigned i;
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if (doCopy)
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memcpy(base, new, sizeof(NGMonthDaySet));
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else {
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for (i = 1; i <= 31; i++) {
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if (!(*new)[i])
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(*base)[i] = NO;
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memcpy (base, new, sizeof (NGMonthDaySet));
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else
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{
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for (i = 1; i <= 31; i++)
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{
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if (! (*new)[i])
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(*base)[i] = NO;
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}
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}
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}
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}
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static BOOL NGMonthDaySet_fillWithByMonthDay(NGMonthDaySet *daySet,
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NSArray *byMonthDay)
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static BOOL NGMonthDaySet_fillWithByMonthDay (NGMonthDaySet *daySet,
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NSArray *byMonthDay)
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{
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/* list of days in the month */
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unsigned i, count;
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BOOL ok;
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NGMonthDaySet_clear(daySet);
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NGMonthDaySet_clear (daySet);
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for (i = 0, count = [byMonthDay count], ok = YES; i < count; i++) {
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int dayInMonth; /* -31..-1 and 1..31 */
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for (i = 0, count = [byMonthDay count], ok = YES; i < count; i++)
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{
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int dayInMonth; /* -31..-1 and 1..31 */
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if ((dayInMonth = [[byMonthDay objectAtIndex:i] intValue]) == 0) {
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ok = NO;
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continue; /* invalid value */
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}
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if (dayInMonth > 31) {
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ok = NO;
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continue; /* error, value to large */
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}
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if (dayInMonth < -31) {
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ok = NO;
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continue; /* error, value to large */
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}
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if ((dayInMonth = [[byMonthDay objectAtIndex: i] intValue]) == 0)
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{
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ok = NO;
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continue; /* invalid value */
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}
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if (dayInMonth > 31)
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{
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ok = NO;
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continue; /* error, value to large */
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}
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if (dayInMonth < -31)
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{
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ok = NO;
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continue; /* error, value to large */
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}
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/* adjust negative days */
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/* adjust negative days */
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if (dayInMonth < 0) {
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/* eg: -1 == last day in month, 30 days => 30 */
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dayInMonth = 32 - dayInMonth /* because we count from 1 */;
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}
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if (dayInMonth < 0)
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{
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/* eg: -1 == last day in month, 30 days => 30 */
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dayInMonth = 32 - dayInMonth /* because we count from 1 */;
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}
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(*daySet)[dayInMonth] = YES;
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}
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(*daySet)[dayInMonth] = YES;
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}
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return ok;
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}
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static inline unsigned iCalDoWForNSDoW(int dow) {
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switch (dow) {
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case 0: return iCalWeekDaySunday;
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case 1: return iCalWeekDayMonday;
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case 2: return iCalWeekDayTuesday;
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case 3: return iCalWeekDayWednesday;
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case 4: return iCalWeekDayThursday;
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case 5: return iCalWeekDayFriday;
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case 6: return iCalWeekDaySaturday;
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case 7: return iCalWeekDaySunday;
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default: return 0;
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}
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static inline unsigned iCalDoWForNSDoW (int dow)
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{
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switch (dow)
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{
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case 0: return iCalWeekDaySunday;
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case 1: return iCalWeekDayMonday;
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case 2: return iCalWeekDayTuesday;
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case 3: return iCalWeekDayWednesday;
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case 4: return iCalWeekDayThursday;
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case 5: return iCalWeekDayFriday;
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case 6: return iCalWeekDaySaturday;
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case 7: return iCalWeekDaySunday;
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default: return 0;
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}
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}
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#if HEAVY_DEBUG
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@@ -125,11 +139,12 @@ static NSString *dowEN[8] = {
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};
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#endif
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static void NGMonthDaySet_fillWithByDayX(NGMonthDaySet *daySet,
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unsigned dayMask,
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unsigned firstDoWInMonth,
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unsigned numberOfDaysInMonth,
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int occurrence1)
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static void NGMonthDaySet_fillWithByDayX (NGMonthDaySet *daySet,
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unsigned dayMask,
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unsigned firstDoWInMonth,
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unsigned numberOfDaysInMonth,
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int occurrence1)
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{
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// TODO: this is called 'X' because the API doesn't allow for full iCalendar
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// functionality. The daymask must be a list of occurence+dow
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@@ -137,78 +152,86 @@ static void NGMonthDaySet_fillWithByDayX(NGMonthDaySet *daySet,
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register int dow; /* current day of the week */
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int occurrences[7] = { 0, 0, 0, 0, 0, 0, 0 } ;
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NGMonthDaySet_clear(daySet);
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NGMonthDaySet_clear (daySet);
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if (occurrence1 >= 0) {
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for (dayInMonth = 1, dow = firstDoWInMonth; dayInMonth<=31; dayInMonth++) {
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// TODO: complete me
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if (occurrence1 >= 0)
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{
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for (dayInMonth = 1, dow = firstDoWInMonth; dayInMonth<=31; dayInMonth++)
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{
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// TODO: complete me
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if (dayMask & iCalDoWForNSDoW(dow)) {
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if (occurrence1 == 0)
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(*daySet)[dayInMonth] = YES;
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else { /* occurrence1 > 0 */
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occurrences[dow] = occurrences[dow] + 1;
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if (dayMask & iCalDoWForNSDoW (dow))
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{
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if (occurrence1 == 0)
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(*daySet)[dayInMonth] = YES;
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else { /* occurrence1 > 0 */
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occurrences[dow] = occurrences[dow] + 1;
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if (occurrences[dow] == occurrence1)
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(*daySet)[dayInMonth] = YES;
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}
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}
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if (occurrences[dow] == occurrence1)
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(*daySet)[dayInMonth] = YES;
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}
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}
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dow = (dow == 6 /* Sat */) ? 0 /* Sun */ : (dow + 1);
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}
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}
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else {
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int lastDoWInMonthSet;
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/* get the last dow in the set (not necessarily the month!) */
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for (dayInMonth = 1, dow = firstDoWInMonth;
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dayInMonth < numberOfDaysInMonth;dayInMonth++)
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dow = (dow == 6 /* Sat */) ? 0 /* Sun */ : (dow + 1);
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lastDoWInMonthSet = dow;
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#if HEAVY_DEBUG
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NSLog(@"LAST DOW IN SET: %i / %@",
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lastDoWInMonthSet, dowEN[lastDoWInMonthSet]);
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#endif
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/* start at the end of the set */
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for (dayInMonth = numberOfDaysInMonth, dow = lastDoWInMonthSet;
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dayInMonth >= 1; dayInMonth--) {
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// TODO: complete me
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#if HEAVY_DEBUG
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NSLog(@" CHECK day-of-month %02i, "
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@" dow=%i/%@ (first=%i/%@, last=%i/%@)",
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dayInMonth,
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dow, dowEN[dow],
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firstDoWInMonth, dowEN[firstDoWInMonth],
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lastDoWInMonthSet, dowEN[lastDoWInMonthSet]
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);
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#endif
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if (dayMask & iCalDoWForNSDoW(dow)) {
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occurrences[dow] = occurrences[dow] + 1;
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#if HEAVY_DEBUG
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NSLog(@" MATCH %i/%@ count: %i occurences=%i",
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dow, dowEN[dow], occurrences[dow], occurrence1);
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#endif
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if (occurrences[dow] == -occurrence1) {
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#if HEAVY_DEBUG
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NSLog(@" COUNT MATCH");
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#endif
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(*daySet)[dayInMonth] = YES;
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dow = (dow == 6 /* Sat */) ? 0 /* Sun */ : (dow + 1);
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}
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}
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else
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{
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int lastDoWInMonthSet;
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/* get the last dow in the set (not necessarily the month!) */
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for (dayInMonth = 1, dow = firstDoWInMonth;
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dayInMonth < numberOfDaysInMonth;dayInMonth++)
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dow = (dow == 6 /* Sat */) ? 0 /* Sun */ : (dow + 1);
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lastDoWInMonthSet = dow;
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#if HEAVY_DEBUG
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NSLog (@"LAST DOW IN SET: %i / %@",
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lastDoWInMonthSet, dowEN[lastDoWInMonthSet]);
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#endif
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/* start at the end of the set */
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for (dayInMonth = numberOfDaysInMonth, dow = lastDoWInMonthSet;
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dayInMonth >= 1; dayInMonth--)
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{
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// TODO: complete me
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#if HEAVY_DEBUG
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NSLog (@" CHECK day-of-month %02i, "
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@" dow=%i/%@ (first=%i/%@, last=%i/%@)",
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dayInMonth,
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dow, dowEN[dow],
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firstDoWInMonth, dowEN[firstDoWInMonth],
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lastDoWInMonthSet, dowEN[lastDoWInMonthSet]
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);
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#endif
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if (dayMask & iCalDoWForNSDoW (dow))
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{
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occurrences[dow] = occurrences[dow] + 1;
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#if HEAVY_DEBUG
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NSLog (@" MATCH %i/%@ count: %i occurences=%i",
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dow, dowEN[dow], occurrences[dow], occurrence1);
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#endif
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if (occurrences[dow] == -occurrence1)
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{
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#if HEAVY_DEBUG
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NSLog (@" COUNT MATCH");
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#endif
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(*daySet)[dayInMonth] = YES;
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}
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}
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dow = (dow == 0 /* Sun */) ? 6 /* Sat */ : (dow - 1);
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}
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}
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dow = (dow == 0 /* Sun */) ? 6 /* Sat */ : (dow - 1);
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}
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}
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}
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- (BOOL)_addInstanceWithStartDate:(NSCalendarDate *)_startDate
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limitDate:(NSCalendarDate *)_until
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limitRange:(NGCalendarDateRange *)_r
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toArray:(NSMutableArray *)_ranges
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- (BOOL) _addInstanceWithStartDate: (NSCalendarDate *)_startDate
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limitDate: (NSCalendarDate *)_until
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limitRange: (NGCalendarDateRange *)_r
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toArray: (NSMutableArray *)_ranges
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{
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NGCalendarDateRange *r;
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NSCalendarDate *end;
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@@ -218,29 +241,32 @@ static void NGMonthDaySet_fillWithByDayX(NGMonthDaySet *daySet,
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// TODO: I think we should check in here whether we succeeded the
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// repeatCount. Currently we precalculate that info in the
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// -lastInstanceStartDate method.
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if (_until != nil) {
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/* Note: the 'until' in the rrule is inclusive as per spec */
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if ([_until compare:_startDate] == NSOrderedAscending)
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/* start after until */
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return NO; /* Note: we assume that the algorithm is sequential */
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}
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if (_until != nil)
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{
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/* Note: the 'until' in the rrule is inclusive as per spec */
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if ([_until compare: _startDate] == NSOrderedAscending)
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/* start after until */
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return NO; /* Note: we assume that the algorithm is sequential */
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}
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/* create end date */
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end = [_startDate addTimeInterval:[self->firstRange duration]];
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[end setTimeZone:[_startDate timeZone]];
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end = [_startDate addTimeInterval: [firstRange duration]];
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[end setTimeZone: [_startDate timeZone]];
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/* create range and check whether its in the requested range */
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r = [[NGCalendarDateRange alloc] initWithStartDate:_startDate endDate:end];
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if ([_r containsDateRange:r])
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[_ranges addObject:r];
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r = [[NGCalendarDateRange alloc] initWithStartDate: _startDate endDate: end];
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if ([_r containsDateRange: r])
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[_ranges addObject: r];
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[r release]; r = nil;
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return YES;
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}
|
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- (NSArray *)recurrenceRangesWithinCalendarDateRange:(NGCalendarDateRange *)_r{
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- (NSArray *)
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recurrenceRangesWithinCalendarDateRange: (NGCalendarDateRange *) _r
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{
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/* main entry */
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// TODO: check whether this is OK for multiday-events!
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NSMutableArray *ranges;
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@@ -257,214 +283,225 @@ static void NGMonthDaySet_fillWithByDayX(NGMonthDaySet *daySet,
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NSArray *byMonthDay; // array of ints (-31..-1 and 1..31)
|
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NGMonthDaySet byMonthDaySet;
|
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|
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eventStartDate = [self->firstRange startDate];
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eventStartDate = [firstRange startDate];
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eventDayOfMonth = [eventStartDate dayOfMonth];
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timeZone = [eventStartDate timeZone];
|
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rStart = [_r startDate];
|
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rEnd = [_r endDate];
|
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interval = [self->rrule repeatInterval];
|
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interval = [rrule repeatInterval];
|
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until = [self lastInstanceStartDate]; // TODO: maybe replace
|
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byMonthDay = [self->rrule byMonthDay];
|
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byMonthDay = [rrule byMonthDay];
|
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|
||||
|
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/* check whether the range to be processed is beyond the 'until' date */
|
||||
if (until) {
|
||||
if ([until compare:rStart] == NSOrderedAscending) /* until before start */
|
||||
return nil;
|
||||
if ([until compare:rEnd] == NSOrderedDescending) /* end before until */
|
||||
rEnd = until; // TODO: why is that? end is _before_ until?
|
||||
}
|
||||
if (until)
|
||||
{
|
||||
if ([until compare: rStart] == NSOrderedAscending) /* until before start */
|
||||
return nil;
|
||||
if ([until compare: rEnd] == NSOrderedDescending) /* end before until */
|
||||
rEnd = until; // TODO: why is that? end is _before_ until?
|
||||
}
|
||||
|
||||
|
||||
/* precalculate month days (same for all instances) */
|
||||
|
||||
if (byMonthDay) {
|
||||
if (byMonthDay)
|
||||
{
|
||||
#if HEAVY_DEBUG
|
||||
NSLog(@"byMonthDay: %@", byMonthDay);
|
||||
NSLog (@"byMonthDay: %@", byMonthDay);
|
||||
#endif
|
||||
NGMonthDaySet_fillWithByMonthDay(&byMonthDaySet, byMonthDay);
|
||||
}
|
||||
NGMonthDaySet_fillWithByMonthDay (&byMonthDaySet, byMonthDay);
|
||||
}
|
||||
|
||||
|
||||
// TODO: I think the 'diff' is to skip recurrence which are before the
|
||||
// requested range. Not sure whether this is actually possible, eg
|
||||
// the repeatCount must be processed from the start.
|
||||
diff = [eventStartDate monthsBetweenDate:rStart];
|
||||
if ((diff != 0) && [rStart compare:eventStartDate] == NSOrderedAscending)
|
||||
diff = [eventStartDate monthsBetweenDate: rStart];
|
||||
if ((diff != 0) && [rStart compare: eventStartDate] == NSOrderedAscending)
|
||||
diff = -diff;
|
||||
|
||||
numberOfMonthsInRange = [rStart monthsBetweenDate:rEnd] + 1;
|
||||
ranges = [NSMutableArray arrayWithCapacity:numberOfMonthsInRange];
|
||||
numberOfMonthsInRange = [rStart monthsBetweenDate: rEnd] + 1;
|
||||
ranges = [NSMutableArray arrayWithCapacity: numberOfMonthsInRange];
|
||||
|
||||
/*
|
||||
Note: we do not add 'eventStartDate', this is intentional, the event date
|
||||
itself is _not_ necessarily part of the sequence, eg with monthly
|
||||
byday recurrences.
|
||||
itself is _not_ necessarily part of the sequence, eg with monthly
|
||||
byday recurrences.
|
||||
*/
|
||||
|
||||
for (monthIdxInRange = 0; monthIdxInRange < numberOfMonthsInRange;
|
||||
monthIdxInRange++) {
|
||||
NSCalendarDate *cursor;
|
||||
unsigned numDaysInMonth;
|
||||
int monthIdxInRecurrence, dom;
|
||||
NGMonthDaySet monthDays;
|
||||
BOOL didByFill, doCont;
|
||||
monthIdxInRange++)
|
||||
{
|
||||
NSCalendarDate *cursor;
|
||||
unsigned numDaysInMonth;
|
||||
int monthIdxInRecurrence, dom;
|
||||
NGMonthDaySet monthDays;
|
||||
BOOL didByFill, doCont;
|
||||
|
||||
monthIdxInRecurrence = diff + monthIdxInRange;
|
||||
monthIdxInRecurrence = diff + monthIdxInRange;
|
||||
|
||||
if (monthIdxInRecurrence < 0)
|
||||
continue;
|
||||
if (monthIdxInRecurrence < 0)
|
||||
continue;
|
||||
|
||||
/* first check whether we are in the interval */
|
||||
/* first check whether we are in the interval */
|
||||
|
||||
if ((monthIdxInRecurrence % interval) != 0)
|
||||
continue;
|
||||
if ((monthIdxInRecurrence % interval) != 0)
|
||||
continue;
|
||||
|
||||
/*
|
||||
Then the sequence is:
|
||||
- check whether the month is in the BYMONTH list
|
||||
*/
|
||||
/*
|
||||
Then the sequence is:
|
||||
- check whether the month is in the BYMONTH list
|
||||
*/
|
||||
|
||||
/*
|
||||
Note: the function below adds exactly a month, eg:
|
||||
2007-01-30 + 1month => 2007-02-*28*!!
|
||||
*/
|
||||
cursor = [eventStartDate dateByAddingYears:0
|
||||
months:(diff + monthIdxInRange)
|
||||
days:0];
|
||||
[cursor setTimeZone:timeZone];
|
||||
numDaysInMonth = [cursor numberOfDaysInMonth];
|
||||
/*
|
||||
Note: the function below adds exactly a month, eg:
|
||||
2007-01-30 + 1month => 2007-02-*28*!!
|
||||
*/
|
||||
cursor = [eventStartDate dateByAddingYears: 0
|
||||
months: (diff + monthIdxInRange)
|
||||
days: 0];
|
||||
[cursor setTimeZone: timeZone];
|
||||
numDaysInMonth = [cursor numberOfDaysInMonth];
|
||||
|
||||
|
||||
/* check whether we match the bymonth specification */
|
||||
/* check whether we match the bymonth specification */
|
||||
|
||||
if (!byMonthList[[cursor monthOfYear] - 1])
|
||||
continue;
|
||||
if (!byMonthList[[cursor monthOfYear] - 1])
|
||||
continue;
|
||||
|
||||
|
||||
/* check 'day level' byXYZ rules */
|
||||
/* check 'day level' byXYZ rules */
|
||||
|
||||
didByFill = NO;
|
||||
didByFill = NO;
|
||||
|
||||
if (byMonthDay) { /* list of days in the month */
|
||||
NGMonthDaySet_copyOrUnion(&monthDays, &byMonthDaySet, !didByFill);
|
||||
didByFill = YES;
|
||||
}
|
||||
if (byMonthDay)
|
||||
{ /* list of days in the month */
|
||||
NGMonthDaySet_copyOrUnion (&monthDays, &byMonthDaySet, !didByFill);
|
||||
didByFill = YES;
|
||||
}
|
||||
|
||||
if ([self->rrule byDayMask] != 0) { // TODO: replace the mask with an array
|
||||
NGMonthDaySet ruleset;
|
||||
unsigned firstDoWInMonth;
|
||||
if ([rrule byDayMask] != 0)
|
||||
{ // TODO: replace the mask with an array
|
||||
NGMonthDaySet ruleset;
|
||||
unsigned firstDoWInMonth;
|
||||
|
||||
firstDoWInMonth = [[cursor firstDayOfMonth] dayOfWeek];
|
||||
firstDoWInMonth = [[cursor firstDayOfMonth] dayOfWeek];
|
||||
|
||||
NGMonthDaySet_fillWithByDayX(&ruleset,
|
||||
[self->rrule byDayMask],
|
||||
firstDoWInMonth,
|
||||
[cursor numberOfDaysInMonth],
|
||||
[self->rrule byDayOccurence1]);
|
||||
NGMonthDaySet_copyOrUnion(&monthDays, &ruleset, !didByFill);
|
||||
didByFill = YES;
|
||||
}
|
||||
NGMonthDaySet_fillWithByDayX (&ruleset,
|
||||
[rrule byDayMask],
|
||||
firstDoWInMonth,
|
||||
[cursor numberOfDaysInMonth],
|
||||
[rrule byDayOccurence1]);
|
||||
NGMonthDaySet_copyOrUnion (&monthDays, &ruleset, !didByFill);
|
||||
didByFill = YES;
|
||||
}
|
||||
|
||||
if (!didByFill) {
|
||||
/* no rules applied, take the dayOfMonth of the startDate */
|
||||
NGMonthDaySet_clear(&monthDays);
|
||||
monthDays[eventDayOfMonth] = YES;
|
||||
}
|
||||
if (!didByFill)
|
||||
{
|
||||
/* no rules applied, take the dayOfMonth of the startDate */
|
||||
NGMonthDaySet_clear (&monthDays);
|
||||
monthDays[eventDayOfMonth] = YES;
|
||||
}
|
||||
|
||||
// TODO: add processing of byhour/byminute/bysecond etc
|
||||
// TODO: add processing of byhour/byminute/bysecond etc
|
||||
|
||||
/*
|
||||
Next step is to create NSCalendarDate instances from our 'monthDays'
|
||||
set. We walk over each day of the 'monthDays' set. If its flag isn't
|
||||
set, we continue.
|
||||
If its set, we add the date to the instance.
|
||||
/*
|
||||
Next step is to create NSCalendarDate instances from our 'monthDays'
|
||||
set. We walk over each day of the 'monthDays' set. If its flag isn't
|
||||
set, we continue.
|
||||
If its set, we add the date to the instance.
|
||||
|
||||
The 'cursor' is the *startdate* of the event (not necessarily a
|
||||
component of the sequence!) plus the currently processed month.
|
||||
Eg:
|
||||
The 'cursor' is the *startdate* of the event (not necessarily a
|
||||
component of the sequence!) plus the currently processed month.
|
||||
Eg:
|
||||
startdate: 2007-01-30
|
||||
cursor[1]: 2007-01-30
|
||||
cursor[2]: 2007-02-28 <== Note: we have February!
|
||||
*/
|
||||
*/
|
||||
|
||||
for (dom = 1, doCont = YES; dom <= numDaysInMonth && doCont; dom++) {
|
||||
NSCalendarDate *start;
|
||||
for (dom = 1, doCont = YES; dom <= numDaysInMonth && doCont; dom++)
|
||||
{
|
||||
NSCalendarDate *start;
|
||||
|
||||
if (!monthDays[dom])
|
||||
continue;
|
||||
if (!monthDays[dom])
|
||||
continue;
|
||||
|
||||
// TODO: what is this good for?
|
||||
/*
|
||||
Here we need to correct the date. Remember that the startdate given in
|
||||
the event is not necessarily a date of the sequence!
|
||||
// TODO: what is this good for?
|
||||
/*
|
||||
Here we need to correct the date. Remember that the startdate given in
|
||||
the event is not necessarily a date of the sequence!
|
||||
|
||||
The 'numDaysInMonth' localvar contains the number of days in the
|
||||
current month (eg 31 for Januar, 28 for most February's, etc)
|
||||
The 'numDaysInMonth' localvar contains the number of days in the
|
||||
current month (eg 31 for Januar, 28 for most February's, etc)
|
||||
|
||||
Eg: MONTHLY;BYDAY=-1WE (last wednesday, every month)
|
||||
Eg: MONTHLY;BYDAY=-1WE (last wednesday, every month)
|
||||
|
||||
cursor: 2007-01-30 (eventDayOfMonth = 30)
|
||||
=>start: 2007-01-31 (dom = 31)
|
||||
cursor: 2007-02-28 (eventDayOfMonth = 30)
|
||||
=>start: 2007-02-28 (dom = 28)
|
||||
cursor: 2007-01-30 (eventDayOfMonth = 30)
|
||||
=>start: 2007-01-31 (dom = 31)
|
||||
cursor: 2007-02-28 (eventDayOfMonth = 30)
|
||||
=>start: 2007-02-28 (dom = 28)
|
||||
|
||||
Note: in case the cursor already had an event-day overflow, that is the
|
||||
'eventDayOfMonth' is bigger than the 'numDaysInMonth', the cursor
|
||||
will already be corrected!
|
||||
Eg:
|
||||
start was: 2007-01-30
|
||||
cursor will be: 2007-02-28
|
||||
*/
|
||||
if (eventDayOfMonth == dom) {
|
||||
start = cursor;
|
||||
}
|
||||
else {
|
||||
int maxDay =
|
||||
eventDayOfMonth > numDaysInMonth ? numDaysInMonth : eventDayOfMonth;
|
||||
Note: in case the cursor already had an event-day overflow, that is the
|
||||
'eventDayOfMonth' is bigger than the 'numDaysInMonth', the cursor
|
||||
will already be corrected!
|
||||
Eg:
|
||||
start was: 2007-01-30
|
||||
cursor will be: 2007-02-28
|
||||
*/
|
||||
if (eventDayOfMonth == dom)
|
||||
{
|
||||
start = cursor;
|
||||
}
|
||||
else
|
||||
{
|
||||
int maxDay =
|
||||
eventDayOfMonth > numDaysInMonth ? numDaysInMonth : eventDayOfMonth;
|
||||
|
||||
start = [cursor dateByAddingYears:0 months:0 days:(dom - maxDay)];
|
||||
}
|
||||
start = [cursor dateByAddingYears: 0 months: 0 days: (dom - maxDay)];
|
||||
}
|
||||
|
||||
/*
|
||||
Setup for 2007-02-28, MONTHLY;BYDAY=-1WE.
|
||||
dom: 28
|
||||
eventDayOfMonth: 31
|
||||
cursor: 2007-02-28
|
||||
start: 2007-02-25 <== WRONG
|
||||
*/
|
||||
/*
|
||||
Setup for 2007-02-28, MONTHLY;BYDAY=-1WE.
|
||||
dom: 28
|
||||
eventDayOfMonth: 31
|
||||
cursor: 2007-02-28
|
||||
start: 2007-02-25 <== WRONG
|
||||
*/
|
||||
|
||||
#if HEAVY_DEBUG
|
||||
NSLog(@"DOM %i EDOM %i NUMDAYS %i START: %@ CURSOR: %@",
|
||||
dom, eventDayOfMonth, numDaysInMonth,
|
||||
start, cursor);
|
||||
NSLog (@"DOM %i EDOM %i NUMDAYS %i START: %@ CURSOR: %@",
|
||||
dom, eventDayOfMonth, numDaysInMonth,
|
||||
start, cursor);
|
||||
#endif
|
||||
doCont = [self _addInstanceWithStartDate:start
|
||||
limitDate:until
|
||||
limitRange:_r
|
||||
toArray:ranges];
|
||||
doCont = [self _addInstanceWithStartDate: start
|
||||
limitDate: until
|
||||
limitRange: _r
|
||||
toArray: ranges];
|
||||
}
|
||||
if (!doCont) break; /* reached some limit */
|
||||
}
|
||||
if (!doCont) break; /* reached some limit */
|
||||
}
|
||||
return ranges;
|
||||
}
|
||||
|
||||
- (NSCalendarDate *)lastInstanceStartDate {
|
||||
if ([self->rrule repeatCount] > 0) {
|
||||
NSCalendarDate *until;
|
||||
unsigned months, interval;
|
||||
- (NSCalendarDate *) lastInstanceStartDate
|
||||
{
|
||||
if ([rrule repeatCount] > 0)
|
||||
{
|
||||
NSCalendarDate *until;
|
||||
unsigned months, interval;
|
||||
|
||||
interval = [self->rrule repeatInterval];
|
||||
months = [self->rrule repeatCount] - 1 /* the first counts as one! */;
|
||||
interval = [rrule repeatInterval];
|
||||
months = [rrule repeatCount] - 1 /* the first counts as one! */;
|
||||
|
||||
if (interval > 0)
|
||||
months *= interval;
|
||||
if (interval > 0)
|
||||
months *= interval;
|
||||
|
||||
until = [[self->firstRange startDate] dateByAddingYears:0
|
||||
months:months
|
||||
days:0];
|
||||
return until;
|
||||
}
|
||||
until = [[firstRange startDate] dateByAddingYears: 0
|
||||
months: months
|
||||
days: 0];
|
||||
return until;
|
||||
}
|
||||
return [super lastInstanceStartDate];
|
||||
}
|
||||
|
||||
|
||||
Reference in New Issue
Block a user