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/*
* Calcurse - text-based organizer
*
* Copyright (c) 2004-2011 calcurse Development Team <misc@calcurse.org>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above
* copyright notice, this list of conditions and the
* following disclaimer.
*
* - Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the
* following disclaimer in the documentation and/or other
* materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* Send your feedback or comments to : misc@calcurse.org
* Calcurse home page : http://calcurse.org
*
*/
#include <stdlib.h>
#include <string.h>
#include <sys/types.h>
#include <time.h>
#include "calcurse.h"
llist_t eventlist;
static struct event bkp_cut_event;
void
event_free_bkp (void)
{
if (bkp_cut_event.mesg)
{
mem_free (bkp_cut_event.mesg);
bkp_cut_event.mesg = 0;
}
erase_note (&bkp_cut_event.note);
}
static void
event_free (struct event *ev)
{
mem_free (ev->mesg);
erase_note (&ev->note);
mem_free (ev);
}
static void
event_dup (struct event *in, struct event *bkp)
{
EXIT_IF (!in || !bkp, _("null pointer"));
bkp->id = in->id;
bkp->day = in->day;
bkp->mesg = mem_strdup (in->mesg);
if (in->note)
bkp->note = mem_strdup (in->note);
}
void
event_llist_init (void)
{
LLIST_INIT (&eventlist);
}
void
event_llist_free (void)
{
LLIST_FREE_INNER (&eventlist, event_free);
LLIST_FREE (&eventlist);
}
static int
event_cmp_day (struct event *a, struct event *b)
{
return a->day < b->day ? -1 : (a->day == b->day ? 0 : 1);
}
/* Create a new event */
struct event *
event_new (char *mesg, char *note, long day, int id)
{
struct event *ev;
ev = mem_malloc (sizeof (struct event));
ev->mesg = mem_strdup (mesg);
ev->day = day;
ev->id = id;
ev->note = (note != NULL) ? mem_strdup (note) : NULL;
LLIST_ADD_SORTED (&eventlist, ev, event_cmp_day);
return ev;
}
/* Check if the event belongs to the selected day */
unsigned
event_inday (struct event *i, long start)
{
if (i->day < start + DAYINSEC && i->day >= start)
{
return 1;
}
return 0;
}
/* Write to file the event in user-friendly format */
void
event_write (struct event *o, FILE *f)
{
struct tm *lt;
time_t t;
t = o->day;
lt = localtime (&t);
fprintf (f, "%02u/%02u/%04u [%d] ", lt->tm_mon + 1, lt->tm_mday,
1900 + lt->tm_year, o->id);
if (o->note != NULL)
fprintf (f, ">%s ", o->note);
fprintf (f, "%s\n", o->mesg);
}
/* Load the events from file */
struct event *
event_scan (FILE *f, struct tm start, int id, char *note)
{
char buf[BUFSIZ], *nl;
time_t tstart, t;
t = time (NULL);
localtime (&t);
/* Read the event description */
if (!fgets (buf, sizeof buf, f))
return NULL;
nl = strchr (buf, '\n');
if (nl)
{
*nl = '\0';
}
start.tm_hour = 0;
start.tm_min = 0;
start.tm_sec = 0;
start.tm_isdst = -1;
start.tm_year -= 1900;
start.tm_mon--;
tstart = mktime (&start);
EXIT_IF (tstart == -1, _("date error in the event\n"));
return event_new (buf, note, tstart, id);
}
/* Retrieve an event from the list, given the day and item position. */
struct event *
event_get (long day, int pos)
{
llist_item_t *i = LLIST_FIND_NTH (&eventlist, pos, day, event_inday);
if (i)
return LLIST_TS_GET_DATA (i);
EXIT (_("event not found"));
/* NOTREACHED */
}
/* Delete an event from the list. */
void
event_delete_bynum (long start, unsigned num, enum eraseflg flag)
{
llist_item_t *i = LLIST_FIND_NTH (&eventlist, num, start, event_inday);
if (!i)
EXIT (_("no such appointment"));
struct event *ev = LLIST_TS_GET_DATA (i);
switch (flag)
{
case ERASE_FORCE_ONLY_NOTE:
erase_note (&ev->note);
break;
case ERASE_CUT:
event_free_bkp ();
event_dup (ev, &bkp_cut_event);
erase_note (&ev->note);
/* FALLTHROUGH */
default:
LLIST_REMOVE (&eventlist, i);
mem_free (ev->mesg);
mem_free (ev);
break;
}
}
void
event_paste_item (void)
{
event_new (bkp_cut_event.mesg, bkp_cut_event.note,
date2sec (*calendar_get_slctd_day (), 0, 0), bkp_cut_event.id);
event_free_bkp ();
}
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