/*
- * Copyright (C) 2012 Andy Spencer <andy753421@gmail.com>
+ * Copyright (C) 2012
-2013 Andy Spencer <andy753421@gmail.com>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
#include "date.h"
#include "cal.h"
+/* Macros */
+#define CAL(name) \
+ void name##_config(const char *group, const char *name, const char *key, const char *value); \
+ cal_t *name##_cals(void); \
+ event_t *name##_events(date_t start, date_t end); \
+ todo_t *name##_todos(date_t start, date_t end)
+
+/* Prototypes */
+CAL(dummy);
+CAL(ical);
+
/* Global data */
-event_t *EVENTS;
-todo_t *TODOS;
+cal_t *CAL, *CALS;
+event_t *EVENT, *EVENTS;
+todo_t *TODO, *TODOS;
+
+/* Local data */
+static date_t start;
+static date_t end;
/* Merge events and todos */
static void add_event(event_t **first, event_t **last, event_t **next)
(*last)->next = *next;
else
(*first) = *next;
+ (*next)->prev = *last;
(*last) = (*next);
(*next) = (*next)->next;
}
(*last)->next = *next;
else
(*first) = *next;
+ (*next)->prev = *last;
(*last) = (*next);
(*next) = (*next)->next;
}
+static cal_t *merge_cals(cal_t *a, cal_t *b)
+{
+ // TODO - we should sort these
+ if (!a) return b;
+ if (!b) return a;
+ cal_t *last = a;
+ while (last->next)
+ last = last->next;
+ last->next = b;
+ return a;
+}
+
static event_t *merge_events(event_t *a, event_t *b)
{
event_t *first = NULL, *last = NULL;
/* Initialize */
void cal_init(void)
{
- EVENTS = cal_events(2012, JAN, 0, 366);
- TODOS = cal_todos(2012, JAN, 0, 366);
+ /* Load calendars */
+ CALS = merge_cals(
+ dummy_cals(),
+ ical_cals());
+
+ /* Load data */
+ cal_load(SEL.year, SEL.month, SEL.day, 1);
/* Debug */
+#ifdef DEBUG_CALS
for (event_t *e = EVENTS; e; e = e->next)
debug("event: %04d-%02d-%02d %02d:%02d: %s - %s",
e->start.year, e->start.month, e->start.day,
debug("todo: %04d-%02d-%02d %02d:%02d: %s - %s",
e->start.year, e->start.month, e->start.day,
e->start.hour, e->start.min, e->name, e->desc);
+#endif
}
-/* Get events */
-event_t *cal_events(year_t year, month_t month, day_t day, int days)
+/* Load events and todos */
+void cal_load(year_t year, month_t month, day_t day, int days)
{
- event_t *dummy = dummy_events(0, year, month, day, days);
- event_t *ical = ical_events(0, year, month, day, days);
- return merge_events(dummy, ical);
+ year_t eyear = year;
+ month_t emonth = month;
+ day_t eday = day;
+ add_days(&eyear, &emonth, &eday, days);
+
+ /* Skip if we already loaded enough info */
+ if (before(&start, year, month, day, 0, 0) &&
+ !before(&end, eyear, emonth, eday, 24, 0))
+ return;
+
+ /* Free uneeded data */
+ for (event_t *next, *cur = EVENTS; cur; cur = next) {
+ next = cur->next;
+ if (cur->name) free(cur->name);
+ if (cur->desc) free(cur->desc);
+ if (cur->loc) free(cur->loc);
+ if (cur->cat) free(cur->cat);
+ free(cur);
+ }
+ for (todo_t *next, *cur = TODOS; cur; cur = next) {
+ next = cur->next;
+ if (cur->name) free(cur->name);
+ if (cur->desc) free(cur->desc);
+ if (cur->cat) free(cur->cat);
+ free(cur);
+ }
+
+ /* Push dates out a bit to avoid reloading,
+ * enough to at least cover the current year */
+ add_days(&year, &month, &day, -366);
+ add_days(&eyear, &emonth, &eday, 366);
+ start = (date_t){year, month, day};
+ end = (date_t){eyear, emonth, eday};
+
+ /* Load events */
+ EVENTS = merge_events(
+ dummy_events(start, end),
+ ical_events(start, end));
+
+ /* Load todos */
+ TODOS = merge_todos(
+ dummy_todos(start, end),
+ ical_todos(start, end));
+
+ /* Verify events and todos*/
+#ifdef DEBUG_CALS
+ for (event_t *cur = EVENTS; cur; cur = cur->next) {
+ if (!cur->cal)
+ error("Missing cal in event '%s'", cur->name);
+ if ((cur->next && cur->next->prev != cur) ||
+ (cur->prev && cur->prev->next != cur))
+ error("Broken link in event '%s'", cur->name);
+ }
+ for (todo_t *cur = TODOS; cur; cur = cur->next) {
+ if (!cur->cal)
+ error("Missing cal in todo '%s'", cur->name);
+ if ((cur->next && cur->next->prev != cur) ||
+ (cur->prev && cur->prev->next != cur))
+ error("Broken link in todo '%s'", cur->name);
+ }
+#endif
+}
+
+/* Config parser */
+void cal_config(const char *group, const char *name, const char *key, const char *value)
+{
+ if (match(group, "dummy"))
+ dummy_config(group, name, key, value);
+ else if (match(group, "ical"))
+ ical_config(group, name, key, value);
}
-/* Get todos */
-todo_t *cal_todos(year_t year, month_t month, day_t day, int days)
+/* Find event for matching target date */
+event_t *find_event(date_t *target)
{
- todo_t *dummy = dummy_todos(0, year, month, day, days);
- todo_t *ical = ical_todos(0, year, month, day, days);
- return merge_todos(dummy, ical);
+ int min = 0;
+ event_t *event = NULL;
+
+ if (EVENT && compare(&EVENT->start, target) == 0)
+ return EVENT;
+
+ for (event_t *cur = EVENTS; cur; cur = cur->next) {
+ // Skip events that are on the wrong day
+ if ((target->year != cur->start.year) ||
+ (target->month != cur->start.month) ||
+ (target->day != cur->start.day))
+ continue;
+
+ // We don't want time change or leap seconds here
+ int diff = (target->hour - cur->start.hour) * 60 * 24 +
+ (target->min - cur->start.min) * 60 +
+ (target->sec - cur->start.sec);
+
+ if (event == NULL || ABS(diff) < min) {
+ min = ABS(diff);
+ event = cur;
+ }
+ }
+
+ return event;
}
projects / lackey / blobdiff