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/*
* Calcurse - text-based organizer
*
* Copyright (c) 2004-2012 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)
{
return (i->day < start + DAYINSEC && i->day >= start);
}
/* 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;
localtime_r(&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;
/* 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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