/*
* Copyright (C) 2012 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
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
- *
+ *
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
- *
+ *
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
+#include <stdlib.h>
+
#include "util.h"
#include "date.h"
#include "cal.h"
+/* Macros */
+#define CAL(name) \
+ event_t *name##_events(cal_t *cal, year_t year, month_t month, day_t day, int days); \
+ todo_t *name##_todos(cal_t *cal, year_t year, month_t month, day_t day, int days)
+
+/* Prototypes */
+CAL(dummy);
+CAL(ical);
+
+event_t *cal_events(year_t year, month_t month, day_t day, int days);
+todo_t *cal_todos(year_t year, month_t month, day_t day, int days);
+
/* Global data */
event_t *EVENTS;
+todo_t *TODOS;
+
+/* Merge events and todos */
+static void add_event(event_t **first, event_t **last, event_t **next)
+{
+ if (*last)
+ (*last)->next = *next;
+ else
+ (*first) = *next;
+ (*last) = (*next);
+ (*next) = (*next)->next;
+}
+
+static void add_todo(todo_t **first, todo_t **last, todo_t **next)
+{
+ if (*last)
+ (*last)->next = *next;
+ else
+ (*first) = *next;
+ (*last) = (*next);
+ (*next) = (*next)->next;
+}
+
+static event_t *merge_events(event_t *a, event_t *b)
+{
+ event_t *first = NULL, *last = NULL;
+ while (a && b)
+ if (compare(&a->start, &b->start) <= 0)
+ add_event(&first, &last, &a);
+ else
+ add_event(&first, &last, &b);
+ while (a) add_event(&first, &last, &a);
+ while (b) add_event(&first, &last, &b);
+ return first;
+}
+
+static todo_t *merge_todos(todo_t *a, todo_t *b)
+{
+ todo_t *first = NULL, *last = NULL;
+ while (a && b)
+ if (compare(&a->start, &b->start) <= 0)
+ add_todo(&first, &last, &a);
+ else
+ add_todo(&first, &last, &b);
+ while (a) add_todo(&first, &last, &a);
+ while (b) add_todo(&first, &last, &b);
+ return first;
+}
/* Initialize */
void cal_init(void)
{
EVENTS = cal_events(2012, JAN, 0, 366);
+ TODOS = cal_todos(2012, JAN, 0, 366);
/* Debug */
for (event_t *e = EVENTS; e; e = e->next)
- debug("event: %04d-%02d-%02d %02d:%02d: %s - %s\n",
+ debug("event: %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);
+ for (todo_t *e = TODOS; e; e = e->next)
+ 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);
}
/* Get events */
event_t *cal_events(year_t year, month_t month, day_t day, int days)
{
- return ical_events(0, year, month, day, days)
- ?: dummy_events(0, year, month, day, 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);
+}
+
+/* Get todos */
+todo_t *cal_todos(year_t year, month_t month, day_t day, int days)
+{
+ 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);
}