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-rw-r--r--calendar/calobj.c1291
1 files changed, 0 insertions, 1291 deletions
diff --git a/calendar/calobj.c b/calendar/calobj.c
deleted file mode 100644
index a615c0e313..0000000000
--- a/calendar/calobj.c
+++ /dev/null
@@ -1,1291 +0,0 @@
-/*
- * Calendar objects implementations.
- * Copyright (C) 1998 the Free Software Foundation
- *
- * Authors:
- * Miguel de Icaza (miguel@gnu.org)
- * Federico Mena (quartic@gimp.org)
- */
-#include <string.h>
-#include <glib.h>
-#include <ctype.h>
-#include "calobj.h"
-#include "timeutil.h"
-#include "../libversit/vcc.h"
-
-iCalObject *
-ical_object_new (void)
-{
- iCalObject *ico;
-
- ico = g_new0 (iCalObject, 1);
-
- ico->seq = -1;
- ico->dtstamp = time (NULL);
-
- return ico;
-}
-
-static void
-default_alarm (iCalObject *ical, CalendarAlarm *alarm, char *def_mail, enum AlarmType type)
-{
- alarm->enabled = 0;
- alarm->type = type;
-
- if (type != ALARM_MAIL){
- alarm->count = 15;
- alarm->units = ALARM_MINUTES;
- } else {
- alarm->count = 1;
- alarm->units = ALARM_DAYS;
- }
-
- if (type == ALARM_MAIL)
- alarm->data = g_strdup (def_mail);
- else
- alarm->data = g_strdup ("");
-}
-
-iCalObject *
-ical_new (char *comment, char *organizer, char *summary)
-{
- iCalObject *ico;
-
- ico = ical_object_new ();
-
- ico->comment = g_strdup (comment);
- ico->organizer = g_strdup (organizer);
- ico->summary = g_strdup (summary);
- ico->class = g_strdup ("PUBLIC");
- ico->status = g_strdup ("NEEDS ACTION");
-
- default_alarm (ico, &ico->dalarm, organizer, ALARM_DISPLAY);
- default_alarm (ico, &ico->palarm, organizer, ALARM_PROGRAM);
- default_alarm (ico, &ico->malarm, organizer, ALARM_MAIL);
- default_alarm (ico, &ico->aalarm, organizer, ALARM_AUDIO);
-
- return ico;
-}
-
-static void
-my_free (gpointer data, gpointer user_dat_ignored)
-{
- g_free (data);
-}
-
-static void
-list_free (GList *list)
-{
- g_list_foreach (list, my_free, 0);
- g_list_free (list);
-}
-
-#define free_if_defined(x) if (x){ g_free (x); x = 0; }
-#define lfree_if_defined(x) if (x){ list_free (x); x = 0; }
-void
-ical_object_destroy (iCalObject *ico)
-{
- /* Regular strings */
- free_if_defined (ico->comment);
- free_if_defined (ico->organizer);
- free_if_defined (ico->summary);
- free_if_defined (ico->uid);
- free_if_defined (ico->status);
- free_if_defined (ico->class);
- free_if_defined (ico->url);
- free_if_defined (ico->recur);
-
- /* Lists */
- lfree_if_defined (ico->exdate);
- lfree_if_defined (ico->categories);
- lfree_if_defined (ico->resources);
- lfree_if_defined (ico->related);
- lfree_if_defined (ico->attach);
-
- /* Alarms */
- g_free (ico->dalarm.data);
- g_free (ico->palarm.data);
- g_free (ico->malarm.data);
- g_free (ico->aalarm.data);
-
- g_free (ico);
-}
-
-static GList *
-set_list (char *str)
-{
- GList *list = 0;
- char *s;
-
- for (s = strtok (str, ";"); s; s = strtok (NULL, ";"))
- list = g_list_prepend (list, g_strdup (s));
-
- return list;
-}
-
-static GList *
-set_date_list (char *str)
-{
- GList *list = 0;
- char *s;
-
- for (s = strtok (str, ";,"); s; s = strtok (NULL, ";,")){
- time_t *t = g_new (time_t, 1);
-
- while (*s && isspace (*s))
- s++;
- *t = time_from_isodate (s);
- list = g_list_prepend (list, t);
- }
- return list;
-}
-
-void
-ical_object_add_exdate (iCalObject *o, time_t t)
-{
- time_t *pt = g_new (time_t, 1);
-
- *pt = t;
- o->exdate = g_list_prepend (o->exdate, pt);
-}
-
-static void
-ignore_space(char **str)
-{
- while (**str && isspace (**str))
- (*str)++;
-}
-
-static void
-skip_numbers (char **str)
-{
- while (**str){
- ignore_space (str);
- if (!isdigit (**str))
- return;
- while (**str && isdigit (**str))
- ;
- }
-}
-
-static void
-weekdaylist (iCalObject *o, char **str)
-{
- int i;
- struct {
- char first_letter, second_letter;
- int index;
- } days [] = {
- { 'S', 'U', 0 },
- { 'M', 'O', 1 },
- { 'T', 'U', 2 },
- { 'W', 'E', 3 },
- { 'T', 'H', 4 },
- { 'F', 'R', 5 },
- { 'S', 'A', 6 }
- };
-
- ignore_space (str);
- do {
- for (i = 0; i < 7; i++){
- if (**str == days [i].first_letter && *(*str+1) == days [i].second_letter){
- o->recur->weekday |= 1 << i;
- *str += 2;
- if (**str == ' ')
- (*str)++;
- }
- }
- } while (isalpha (**str));
-
- if (o->recur->weekday == 0){
- struct tm *tm = localtime (&o->dtstart);
-
- o->recur->weekday = 1 << tm->tm_wday;
- }
-}
-
-static void
-ocurrencelist (iCalObject *o, char **str)
-{
- char *p;
-
- ignore_space (str);
- p = *str;
- if (!isdigit (*p))
- return;
-
- if (!(*p >= '1' && *p <= '5'))
- return;
-
- if (!(*(p+1) == '+' || *(p+1) == '-'))
- return;
-
- o->recur->u.month_pos = (*p-'0') * (*(p+1) == '+' ? 1 : -1);
- *str += 2;
-}
-
-static void
-daynumber (iCalObject *o, char **str)
-{
- int val = 0;
- char *p = *str;
-
- ignore_space (str);
- if (strcmp (p, "LD")){
- o->recur->u.month_day = DAY_LASTDAY;
- *str += 2;
- return;
- }
-
- if (!(isdigit (*p)))
- return;
-
- while (**str && isdigit (**str)){
- val = val * 10 + (**str - '0');
- (*str)++;
- }
-
- if (**str == '+')
- (*str)++;
-
- if (**str == '-')
- val *= -1;
- o->recur->u.month_day = val;
-}
-
-static void
-daynumberlist (iCalObject *o, char **str)
-{
- int first = 0;
- int val = 0;
-
- ignore_space (str);
-
- while (**str){
- if (!isdigit (**str))
- return;
- while (**str && isdigit (**str)){
- val = 10 * val + (**str - '0');
- (*str)++;
- }
- if (!first){
- o->recur->u.month_day = val;
- first = 1;
- val = 0;
- }
- }
-}
-
-static void
-load_recur_weekly (iCalObject *o, char **str)
-{
- weekdaylist (o, str);
-}
-
-static void
-load_recur_monthly_pos (iCalObject *o, char **str)
-{
- ocurrencelist (o, str);
- weekdaylist (o, str);
-}
-
-static void
-load_recur_monthly_day (iCalObject *o, char **str)
-{
- daynumberlist (o, str);
-}
-
-static void
-load_recur_yearly_month (iCalObject *o, char **str)
-{
- /* Skip as we do not support multiple months and we do expect
- * the dtstart to agree with the value on this field
- */
- skip_numbers (str);
-}
-
-static void
-load_recur_yearly_day (iCalObject *o, char **str)
-{
- /* Skip as we do not support multiple days and we do expect
- * the dtstart to agree with the value on this field
- */
- skip_numbers (str);
-}
-
-static void
-duration (iCalObject *o, char **str)
-{
- unsigned int duration = 0;
-
- ignore_space (str);
- if (**str != '#')
- return;
- (*str)++;
- while (**str && isdigit (**str)){
- duration = duration * 10 + (**str - '0');
- (*str)++;
- }
- o->recur->duration = duration;
-}
-
-static void
-enddate (iCalObject *o, char **str)
-{
- ignore_space (str);
- if (isdigit (**str)){
- o->recur->_enddate = time_from_isodate (*str);
- *str += 16;
- }
-}
-
-static int
-load_recurrence (iCalObject *o, char *str)
-{
- enum RecurType type;
- int interval = 0;
-
- type = -1;
- switch (*str++){
- case 'D':
- type = RECUR_DAILY;
- break;
-
- case 'W':
- type = RECUR_WEEKLY;
- break;
-
- case 'M':
- if (*str == 'P')
- type = RECUR_MONTHLY_BY_POS;
- else if (*str == 'D')
- type = RECUR_MONTHLY_BY_DAY;
- str++;
- break;
-
- case 'Y':
- if (*str == 'M')
- type = RECUR_YEARLY_BY_MONTH;
- else if (*str == 'D')
- type = RECUR_YEARLY_BY_DAY;
- str++;
- break;
- }
- if (type == -1)
- return 0;
-
- o->recur = g_new0 (Recurrence, 1);
- o->recur->type = type;
- ignore_space (&str);
-
- /* Get the interval */
- for (;*str && isdigit (*str);str++)
- interval = interval * 10 + (*str-'0');
- o->recur->interval = interval;
-
- /* this is the default per the spec */
- o->recur->duration = 2;
-
- ignore_space (&str);
-
- switch (type){
- case RECUR_DAILY:
- break;
- case RECUR_WEEKLY:
- load_recur_weekly (o, &str);
- break;
- case RECUR_MONTHLY_BY_POS:
- load_recur_monthly_pos (o, &str);
- break;
- case RECUR_MONTHLY_BY_DAY:
- load_recur_monthly_day (o, &str);
- break;
- case RECUR_YEARLY_BY_MONTH:
- load_recur_yearly_month (o, &str);
- break;
- case RECUR_YEARLY_BY_DAY:
- load_recur_yearly_day (o, &str);
- break;
- default:
- g_warning ("Unimplemented recurrence type %d", (int) type);
- break;
- }
- duration (o, &str);
- enddate (o, &str);
-
- /* Compute the enddate */
- if (o->recur->_enddate == 0){
- if (o->recur->duration != 0){
- ical_object_compute_end (o);
- } else
- o->recur->enddate = 0;
- } else {
- o->recur->enddate = o->recur->_enddate;
- }
- return 1;
-}
-
-#define is_a_prop_of(obj,prop) isAPropertyOf (obj,prop)
-#define str_val(obj) the_str = fakeCString (vObjectUStringZValue (obj))
-#define has(obj,prop) (vo = isAPropertyOf (obj, prop))
-
-/*
- * FIXME: This is loosing precission. Enhanec the thresholds
- */
-#define HOURS(n) (n*(60*60))
-
-static void
-setup_alarm_at (iCalObject *ico, CalendarAlarm *alarm, char *iso_time, VObject *vo)
-{
- time_t alarm_time = time_from_isodate (iso_time);
- time_t base = ico->dtstart;
- int d = difftime (base, alarm_time);
- VObject *a;
- char *the_str;
-
- alarm->enabled = 1;
- if (d > HOURS (2)){
- if (d > HOURS (48)){
- alarm->count = d / HOURS (24);
- alarm->units = ALARM_DAYS;
- } else {
- alarm->count = d / 60*60;
- alarm->units = ALARM_HOURS;
- }
- } else {
- alarm->count = d / 60;
- alarm->units = ALARM_MINUTES;
- }
-
- if ((a = is_a_prop_of (vo, VCSnoozeTimeProp))){
- alarm->snooze_secs = isodiff_to_secs (str_val (a));
- free (the_str);
- }
-
- if ((a = is_a_prop_of (vo, VCRepeatCountProp))){
- alarm->snooze_repeat = atoi (str_val (a));
- free (the_str);
- }
-}
-
-/*
- * Duplicates an iCalObject. Implementation is a grand hack
- */
-iCalObject *
-ical_object_duplicate (iCalObject *o)
-{
- VObject *vo;
- iCalObject *new;
-
- vo = ical_object_to_vobject (o);
- switch (o->type){
- case ICAL_EVENT:
- new = ical_object_create_from_vobject (vo, VCEventProp);
- break;
- case ICAL_TODO:
- new = ical_object_create_from_vobject (vo, VCTodoProp);
- break;
- default:
- new = NULL;
- }
-
- cleanVObject (vo);
- return new;
-}
-
-/* FIXME: we need to load the recurrence properties */
-iCalObject *
-ical_object_create_from_vobject (VObject *o, const char *object_name)
-{
- time_t now = time (NULL);
- iCalObject *ical;
- VObject *vo, *a;
- VObjectIterator i;
- char *the_str;
-
- ical = g_new0 (iCalObject, 1);
-
- if (strcmp (object_name, VCEventProp) == 0)
- ical->type = ICAL_EVENT;
- else if (strcmp (object_name, VCTodoProp) == 0)
- ical->type = ICAL_TODO;
- else {
- g_free (ical);
- return 0;
- }
-
- /* uid */
- if (has (o, VCUniqueStringProp)){
- ical->uid = g_strdup (str_val (vo));
- free (the_str);
- }
-
- /* seq */
- if (has (o, VCSequenceProp)){
- ical->seq = atoi (str_val (vo));
- free (the_str);
- } else
- ical->seq = 0;
-
- /* dtstart */
- if (has (o, VCDTstartProp)){
- ical->dtstart = time_from_isodate (str_val (vo));
- free (the_str);
- } else
- ical->dtstart = 0;
-
- /* dtend */
- ical->dtend = 0; /* default value */
- if (ical->type == ICAL_EVENT){
- if (has (o, VCDTendProp)){
- ical->dtend = time_from_isodate (str_val (vo));
- free (the_str);
- }
- } else if (ical->type == ICAL_TODO){
- if (has (o, VCDueProp)){
- ical->dtend = time_from_isodate (str_val (vo));
- free (the_str);
- }
- }
-
- /* dcreated */
- if (has (o, VCDCreatedProp)){
- ical->created = time_from_isodate (str_val (vo));
- free (the_str);
- }
-
- /* completed */
- if (has (o, VCCompletedProp)){
- ical->completed = time_from_isodate (str_val (vo));
- free (the_str);
- }
-
- /* last_mod */
- if (has (o, VCLastModifiedProp)){
- ical->last_mod = time_from_isodate (str_val (vo));
- free (the_str);
- } else
- ical->last_mod = now;
-
- /* exdate */
- if (has (o, VCExpDateProp)){
- ical->exdate = set_date_list (str_val (vo));
- free (the_str);
- }
-
- /* description/comment */
- if (has (o, VCDescriptionProp)){
- ical->comment = g_strdup (str_val (vo));
- free (the_str);
- }
-
- /* summary */
- if (has (o, VCSummaryProp)){
- ical->summary = g_strdup (str_val (vo));
- free (the_str);
- } else
- ical->summary = g_strdup ("");
-
- /* status */
- if (has (o, VCStatusProp)){
- ical->status = g_strdup (str_val (vo));
- free (the_str);
- } else
- ical->status = g_strdup ("NEEDS ACTION");
-
- if (has (o, VCClassProp)){
- ical->class = g_strdup (str_val (vo));
- free (the_str);
- } else
- ical->class = "PUBLIC";
-
- /* categories */
- if (has (o, VCCategoriesProp)){
- ical->categories = set_list (str_val (vo));
- free (the_str);
- }
-
- /* resources */
- if (has (o, VCResourcesProp)){
- ical->resources = set_list (str_val (vo));
- free (the_str);
- }
-
- /* priority */
- if (has (o, VCPriorityProp)){
- ical->priority = atoi (str_val (vo));
- free (the_str);
- }
-
- /* tranparency */
- if (has (o, VCTranspProp)){
- ical->transp = atoi (str_val (vo)) ? ICAL_TRANSPARENT : ICAL_OPAQUE;
- free (the_str);
- }
-
- /* related */
- if (has (o, VCRelatedToProp)){
- ical->related = set_list (str_val (vo));
- free (the_str);
- }
-
- /* attach */
- initPropIterator (&i, o);
- while (moreIteration (&i)){
- vo = nextVObject (&i);
- if (strcmp (vObjectName (vo), VCAttachProp) == 0){
- ical->attach = g_list_prepend (ical->attach, g_strdup (str_val (vo)));
- free (the_str);
- }
- }
-
- /* url */
- if (has (o, VCURLProp)){
- ical->url = g_strdup (str_val (vo));
- free (the_str);
- }
-
- /* dalarm */
- ical->dalarm.type = ALARM_DISPLAY;
- ical->dalarm.enabled = 0;
- if (has (o, VCDAlarmProp)){
- if ((a = is_a_prop_of (vo, VCRunTimeProp))){
- setup_alarm_at (ical, &ical->dalarm, str_val (a), vo);
- free (the_str);
- }
- }
-
- /* aalarm */
- ical->aalarm.type = ALARM_AUDIO;
- ical->aalarm.enabled = 0;
- if (has (o, VCAAlarmProp)){
- if ((a = is_a_prop_of (vo, VCRunTimeProp))){
- setup_alarm_at (ical, &ical->aalarm, str_val (a), vo);
- free (the_str);
- }
- }
-
- /* palarm */
- ical->palarm.type = ALARM_PROGRAM;
- ical->palarm.enabled = 0;
- if (has (o, VCPAlarmProp)){
- ical->palarm.type = ALARM_PROGRAM;
- if ((a = is_a_prop_of (vo, VCRunTimeProp))){
- setup_alarm_at (ical, &ical->palarm, str_val (a), vo);
- free (the_str);
-
- if ((a = is_a_prop_of (vo, VCProcedureNameProp))){
- ical->palarm.data = g_strdup (str_val (a));
- free (the_str);
- } else
- ical->palarm.data = g_strdup ("");
- }
- }
-
- /* malarm */
- ical->malarm.type = ALARM_MAIL;
- ical->malarm.enabled = 0;
- if (has (o, VCMAlarmProp)){
- ical->malarm.type = ALARM_MAIL;
- if ((a = is_a_prop_of (vo, VCRunTimeProp))){
- setup_alarm_at (ical, &ical->malarm, str_val (a), vo);
- free (the_str);
-
- if ((a = is_a_prop_of (vo, VCEmailAddressProp))){
- ical->malarm.data = g_strdup (str_val (a));
- free (the_str);
- } else
- ical->malarm.data = g_strdup ("");
- }
- }
-
- /* rrule */
- if (has (o, VCRRuleProp)){
- if (!load_recurrence (ical, str_val (vo))) {
- ical_object_destroy (ical);
- return NULL;
- }
- free (the_str);
- }
- return ical;
-}
-
-static char *
-to_str (int num)
-{
- static char buf [40];
-
- sprintf (buf, "%d", num);
- return buf;
-}
-
-/*
- * stores a GList in the property.
- */
-static void
-store_list (VObject *o, char *prop, GList *values)
-{
- GList *l;
- int len;
- char *result, *p;
-
- for (len = 0, l = values; l; l = l->next)
- len += strlen (l->data) + 1;
-
- result = g_malloc (len);
-
- for (p = result, l = values; l; l = l->next) {
- int len = strlen (l->data);
-
- strcpy (p, l->data);
-
- if (l->next) {
- p [len] = ';';
- p += len+1;
- } else
- p += len;
- }
-
- *p = 0;
-
- addPropValue (o, prop, result);
- g_free (result);
-}
-
-static void
-store_date_list (VObject *o, char *prop, GList *values)
-{
- GList *l;
- int size, len;
- char *s, *p;
-
- size = g_list_length (values);
- s = p = g_malloc ((size * 17 + 1) * sizeof (char));
-
- for (l = values; l; l = l->next){
- strcpy (s, isodate_from_time_t (*(time_t *)l->data));
- len = strlen (s);
- s [len] = ',';
- s += len + 1;
- }
- s--;
- *s = 0;
- addPropValue (o, prop, p);
- g_free (p);
-}
-
-static char *recur_type_name [] = { "D", "W", "MP", "MD", "YM", "YD" };
-static char *recur_day_list [] = { "SU", "MO", "TU","WE", "TH", "FR", "SA" };
-static char *alarm_names [] = { VCMAlarmProp, VCPAlarmProp, VCDAlarmProp, VCAAlarmProp };
-
-static VObject *
-save_alarm (VObject *o, CalendarAlarm *alarm, iCalObject *ical)
-{
- VObject *alarm_object;
- struct tm *tm;
- time_t alarm_time;
-
- if (!alarm->enabled)
- return NULL;
- tm = localtime (&ical->dtstart);
- switch (alarm->units){
- case ALARM_MINUTES:
- tm->tm_min -= alarm->count;
- break;
-
- case ALARM_HOURS:
- tm->tm_hour -= alarm->count;
- break;
-
- case ALARM_DAYS:
- tm->tm_mday -= alarm->count;
- break;
- }
-
- alarm_time = mktime (tm);
- alarm_object = addProp (o, alarm_names [alarm->type]);
- addPropValue (alarm_object, VCRunTimeProp, isodate_from_time_t (alarm_time));
-
- if (alarm->snooze_secs)
- addPropValue (alarm_object, VCSnoozeTimeProp, isodiff_from_secs (alarm->snooze_secs));
- else
- addPropValue (alarm_object, VCSnoozeTimeProp, "");
-
- if (alarm->snooze_repeat){
- char buf [20];
-
- sprintf (buf, "%d", alarm->snooze_repeat);
- addPropValue (alarm_object, VCRepeatCountProp, buf);
- } else
- addPropValue (alarm_object, VCRepeatCountProp, "");
- return alarm_object;
-}
-
-VObject *
-ical_object_to_vobject (iCalObject *ical)
-{
- VObject *o, *alarm, *s;
- GList *l;
-
- if (ical->type == ICAL_EVENT)
- o = newVObject (VCEventProp);
- else
- o = newVObject (VCTodoProp);
-
- /* uid */
- if (ical->uid)
- addPropValue (o, VCUniqueStringProp, ical->uid);
-
- /* seq */
- addPropValue (o, VCSequenceProp, to_str (ical->seq));
-
- /* dtstart */
- addPropValue (o, VCDTstartProp, isodate_from_time_t (ical->dtstart));
-
- /* dtend */
- if (ical->type == ICAL_EVENT){
- addPropValue (o, VCDTendProp, isodate_from_time_t (ical->dtend));
- } else if (ical->type == ICAL_TODO){
- addPropValue (o, VCDueProp, isodate_from_time_t (ical->dtend));
- }
-
- /* dcreated */
- addPropValue (o, VCDCreatedProp, isodate_from_time_t (ical->created));
-
- /* completed */
- if (ical->completed)
- addPropValue (o, VCDTendProp, isodate_from_time_t (ical->completed));
-
- /* last_mod */
- addPropValue (o, VCLastModifiedProp, isodate_from_time_t (ical->last_mod));
-
- /* exdate */
- if (ical->exdate)
- store_date_list (o, VCExpDateProp, ical->exdate);
-
- /* description/comment */
- if (ical->comment && strlen (ical->comment)){
- s = addPropValue (o, VCDescriptionProp, ical->comment);
- if (strchr (ical->comment, '\n'))
- addProp (s, VCQuotedPrintableProp);
- }
-
- /* summary */
- if (strlen (ical->summary)){
- s = addPropValue (o, VCSummaryProp, ical->summary);
- if (strchr (ical->summary, '\n'))
- addProp (s, VCQuotedPrintableProp);
- } else {
- addPropValue (o, VCSummaryProp, _("Appointment"));
- }
-
- /* status */
- addPropValue (o, VCStatusProp, ical->status);
-
- /* class */
- addPropValue (o, VCClassProp, ical->class);
-
- /* categories */
- if (ical->categories)
- store_list (o, VCCategoriesProp, ical->categories);
-
- /* resources */
- if (ical->categories)
- store_list (o, VCCategoriesProp, ical->resources);
-
- /* priority */
- addPropValue (o, VCPriorityProp, to_str (ical->priority));
-
- /* transparency */
- addPropValue (o, VCTranspProp, to_str (ical->transp));
-
- /* related */
- if (ical->related)
- store_list (o, VCRelatedToProp, ical->related);
-
- /* attach */
- for (l = ical->attach; l; l = l->next)
- addPropValue (o, VCAttachProp, l->data);
-
- /* url */
- if (ical->url)
- addPropValue (o, VCURLProp, ical->url);
-
- if (ical->recur){
- char result [256];
- char buffer [80];
- int i;
-
- sprintf (result, "%s%d ", recur_type_name [ical->recur->type], ical->recur->interval);
- switch (ical->recur->type){
- case RECUR_DAILY:
- break;
-
- case RECUR_WEEKLY:
- for (i = 0; i < 7; i++){
- if (ical->recur->weekday & (1 << i)){
- sprintf (buffer, "%s ", recur_day_list [i]);
- strcat (result, buffer);
- }
- }
- break;
-
- case RECUR_MONTHLY_BY_POS: {
- int nega = ical->recur->u.month_pos < 0;
-
- sprintf (buffer, "%d%s ", nega ? -ical->recur->u.month_pos : ical->recur->u.month_pos,
- nega ? "-" : "+");
- strcat (result, buffer);
- for (i = 0; i < 7; i++){
- if (ical->recur->weekday & (1 << i)){
- sprintf (buffer, "%s ", recur_day_list [i]);
- strcat (result, buffer);
- }
- }
- }
- break;
-
- case RECUR_MONTHLY_BY_DAY:
- sprintf (buffer, "%d ", ical->recur->u.month_pos);
- strcat (result, buffer);
- break;
-
- case RECUR_YEARLY_BY_MONTH:
- break;
-
- case RECUR_YEARLY_BY_DAY:
- break;
- }
- if (ical->recur->_enddate == 0)
- sprintf (buffer, "#%d ",ical->recur->duration);
- else
- sprintf (buffer, "%s ", isodate_from_time_t (ical->recur->_enddate));
- strcat (result, buffer);
- addPropValue (o, VCRRuleProp, result);
- }
-
- save_alarm (o, &ical->aalarm, ical);
- save_alarm (o, &ical->dalarm, ical);
-
- if ((alarm = save_alarm (o, &ical->palarm, ical)))
- addPropValue (alarm, VCProcedureNameProp, ical->palarm.data);
- if ((alarm = save_alarm (o, &ical->malarm, ical)))
- addPropValue (alarm, VCEmailAddressProp, ical->malarm.data);
- return o;
-}
-
-void
-ical_foreach (GList *events, calendarfn fn, void *closure)
-{
- for (; events; events = events->next){
- iCalObject *ical = events->data;
-
- (*fn) (ical, ical->dtstart, ical->dtend, closure);
- }
-}
-
-static int
-is_date_in_list (GList *list, struct tm *date)
-{
- struct tm *tm;
-
- for (; list; list = list->next){
- time_t *timep = list->data;
-
- tm = localtime (timep);
- if (date->tm_mday == tm->tm_mday &&
- date->tm_mon == tm->tm_mon &&
- date->tm_year == tm->tm_year){
- return 1;
- }
- }
- return 0;
-}
-
-static int
-generate (iCalObject *ico, time_t reference, calendarfn cb, void *closure)
-{
- struct tm dt_start, dt_end, ref;
- time_t s_t, e_t;
-
- dt_start = *localtime (&ico->dtstart);
- dt_end = *localtime (&ico->dtend);
- ref = *localtime (&reference);
-
- dt_start.tm_mday = ref.tm_mday;
- dt_start.tm_mon = ref.tm_mon;
- dt_start.tm_year = ref.tm_year;
-
- dt_end.tm_mday = ref.tm_mday;
- dt_end.tm_mon = ref.tm_mon;
- dt_end.tm_year = ref.tm_year;
-
- s_t = mktime (&dt_start);
- if (ico->exdate && is_date_in_list (ico->exdate, &dt_start))
- return 1;
-
- e_t = mktime (&dt_end);
-
- if ((s_t == -1) || (e_t == -1)) {
- g_warning ("Produced invalid dates!\n");
- return 0;
- }
-
- return (*cb) (ico, s_t, e_t, closure);
-}
-
-int
-ical_object_get_first_weekday (int weekday_mask)
-{
- int i;
-
- for (i = 0; i < 7; i++)
- if (weekday_mask & (1 << i))
- return i;
-
- return -1;
-}
-
-#define time_in_range(t, a, b) ((t >= a) && (b ? (t < b) : 1))
-#define recur_in_range(t, r) (r->enddate ? (t < r->enddate) : 1)
-
-/*
- * Generate every possible event. Invokes the callback routine for
- * every occurrence of the event in the [START, END] time interval.
- *
- * If END is zero, the event is generated forever.
- * The callback routine is expected to return 0 when no further event
- * generation is requested.
- */
-void
-ical_object_generate_events (iCalObject *ico, time_t start, time_t end, calendarfn cb, void *closure)
-{
- time_t current;
- int first_week_day;
-
- /* If there is no recurrence, just check ranges */
-
- if (!ico->recur) {
- if ((end && (ico->dtstart < end) && (ico->dtend > start))
- || ((end == 0) && (ico->dtend > start))) {
- time_t ev_s, ev_e;
-
- /* Clip range */
-
- ev_s = MAX (ico->dtstart, start);
- ev_e = MIN (ico->dtend, end);
-
- (* cb) (ico, ev_s, ev_e, closure);
- }
- return;
- }
-
- /* The event has a recurrence rule -- check that we will generate at least one instance */
-
- if (end != 0) {
- if (ico->dtstart > end)
- return;
-
- if (!IS_INFINITE (ico->recur) && (ico->recur->enddate < start))
- return;
- }
-
- /* Generate the instances */
-
- current = ico->dtstart;
-
- switch (ico->recur->type) {
- case RECUR_DAILY:
- do {
- if (time_in_range (current, start, end) && recur_in_range (current, ico->recur))
- if (!generate (ico, current, cb, closure))
- return;
-
- /* Advance */
-
- current = time_add_day (current, ico->recur->interval);
-
- if (current == -1) {
- g_warning ("RECUR_DAILY: time_add_day() returned invalid time");
- return;
- }
- } while ((current < end) || (end == 0));
-
- break;
-
- case RECUR_WEEKLY:
- do {
- struct tm *tm;
-
- tm = localtime (&current);
-
- if (time_in_range (current, start, end) && recur_in_range (current, ico->recur)) {
- /* Weekdays to recur on are specified as a bitmask */
- if (ico->recur->weekday & (1 << tm->tm_wday))
- if (!generate (ico, current, cb, closure))
- return;
- }
-
- /* Advance by day for scanning the week or by interval at week end */
-
- if (tm->tm_wday == 6)
- current = time_add_day (current, (ico->recur->interval - 1) * 7 + 1);
- else
- current = time_add_day (current, 1);
-
- if (current == -1) {
- g_warning ("RECUR_WEEKLY: time_add_day() returned invalid time\n");
- return;
- }
- } while (current < end || (end == 0));
-
- break;
-
- case RECUR_MONTHLY_BY_POS:
- /* FIXME: We only deal with positives now */
- if (ico->recur->u.month_pos < 0) {
- g_warning ("RECUR_MONTHLY_BY_POS does not support negative positions yet");
- return;
- }
-
- if (ico->recur->u.month_pos == 0)
- return;
-
- first_week_day = ical_object_get_first_weekday (ico->recur->weekday);
-
- /* This should not happen, but take it into account */
- if (first_week_day == -1) {
- g_warning ("ical_object_get_first_weekday() returned -1");
- return;
- }
-
- do {
- struct tm tm;
- time_t t;
- int week_day_start;
-
- tm = *localtime (&current);
- tm.tm_mday = 1;
- t = mktime (&tm);
- tm = *localtime (&t);
- week_day_start = tm.tm_wday;
-
- tm.tm_mday = (7 * (ico->recur->u.month_pos - ((week_day_start <= first_week_day ) ? 1 : 0))
- - (week_day_start - first_week_day) + 1);
-
- t = mktime (&tm);
-
- if (time_in_range (t, start, end) && recur_in_range (current, ico->recur))
- if (!generate (ico, t, cb, closure))
- return;
-
- /* Advance by the appropriate number of months */
-
- current = mktime (&tm);
-
- tm.tm_mday = 1;
- tm.tm_mon += ico->recur->interval;
- current = mktime (&tm);
-
- if (current == -1) {
- g_warning ("RECUR_MONTHLY_BY_DAY: mktime error\n");
- return;
- }
- } while ((current < end) || (end == 0));
-
- break;
-
- case RECUR_MONTHLY_BY_DAY:
- do {
- struct tm *tm;
- time_t t;
- int p;
-
- tm = localtime (&current);
-
- p = tm->tm_mday;
- tm->tm_mday = ico->recur->u.month_day;
- t = mktime (tm);
- if (time_in_range (t, start, end) && recur_in_range (current, ico->recur))
- if (!generate (ico, t, cb, closure))
- return;
-
- /* Advance by the appropriate number of months */
-
- tm->tm_mday = p;
- tm->tm_mon += ico->recur->interval;
- current = mktime (tm);
-
- if (current == -1) {
- g_warning ("RECUR_MONTHLY_BY_DAY: mktime error\n");
- return;
- }
- } while (current < end || (end == 0));
-
- break;
-
- case RECUR_YEARLY_BY_MONTH:
- case RECUR_YEARLY_BY_DAY:
- do {
- if (time_in_range (current, start, end) && recur_in_range (current, ico->recur))
- if (!generate (ico, current, cb, closure))
- return;
-
- /* Advance */
-
- current = time_add_year (current, ico->recur->interval);
- } while (current < end || (end == 0));
-
- break;
-
- default:
- g_assert_not_reached ();
- }
-}
-
-static int
-duration_callback (iCalObject *ico, time_t start, time_t end, void *closure)
-{
- int *count = closure;
- struct tm *tm;
-
- tm = localtime (&start);
-
- (*count)++;
- if (ico->recur->duration == *count) {
- ico->recur->enddate = time_day_end (end);
- return 0;
- }
- return 1;
-}
-
-/* Computes ico->recur->enddate from ico->recur->duration */
-void
-ical_object_compute_end (iCalObject *ico)
-{
- int count = 0;
-
- g_return_if_fail (ico->recur != NULL);
-
- ico->recur->_enddate = 0;
- ico->recur->enddate = 0;
- ical_object_generate_events (ico, ico->dtstart, 0, duration_callback, &count);
-}
-
-int
-alarm_compute_offset (CalendarAlarm *a)
-{
- if (!a->enabled)
- return -1;
- switch (a->units){
- case ALARM_MINUTES:
- a->offset = a->count * 60;
- break;
- case ALARM_HOURS:
- a->offset = a->count * 3600;
- break;
- case ALARM_DAYS:
- a->offset = a->count * 24 * 3600;
- }
- return a->offset;
-}
generated by cgit (git 2.34.1) at 2024-11-14 19:11:14 +0800