summaryrefslogtreecommitdiff
path: root/src/event.c
blob: 919d71ad8226106e01d6394bde0a39921b8292fc (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
/*	$calcurse: event.c,v 1.5 2008/01/13 12:40:45 culot Exp $	*/

/*
 * Calcurse - text-based organizer
 * Copyright (c) 2004-2008 Frederic Culot
 *
 * 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 2 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, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330,
 * Boston, MA 02111-1307, USA.
 *
 * Send your feedback or comments to : calcurse@culot.org
 * Calcurse home page : http://culot.org/calcurse
 *
 */

#include <stdlib.h>
#include <string.h>
#include <sys/types.h>
#include <time.h>

#include "vars.h"
#include "i18n.h"
#include "utils.h"
#include "event.h"

struct event_s *eventlist;

/* Create a new event */
struct event_s *
event_new(char *mesg, char *note, long day, int id)
{
	struct event_s *o, **i;
	o = (struct event_s *) malloc(sizeof(struct event_s));
	o->mesg = (char *) malloc(strlen(mesg) + 1);
	strncpy(o->mesg, mesg, strlen(mesg) + 1);
	o->day = day;
	o->id = id;
	o->note = note;
	i = &eventlist;
	for (;;) {
		if (*i == 0 || (*i)->day > day) {
			o->next = *i;
			*i = o;
			break;
		}
		i = &(*i)->next;
	}
	return o;
}

/* Check if the event belongs to the selected day */
unsigned 
event_inday(struct event_s *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_s *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_s *
event_scan(FILE * f, struct tm start, int id, char *note)
{
	struct tm *lt;
	char buf[MESG_MAXSIZE], *nl;
	time_t tstart, t;

	t = time(NULL);
	lt = localtime(&t);

        /* Read the event description */
	fgets(buf, MESG_MAXSIZE, f);
	nl = strchr(buf, '\n');
	if (nl) {
		*nl = '\0';
	}
        start.tm_hour = 12;
        start.tm_min = 0;
	start.tm_sec =  0;
	start.tm_isdst = -1;
	start.tm_year -= 1900;
	start.tm_mon--;

	tstart = mktime(&start);
	if (tstart == -1) {
		fputs(_("FATAL ERROR in event_scan: date error in the event\n"), stderr);
		exit(EXIT_FAILURE);
	}
	return (event_new(buf, note, tstart, id));
}

/* Delete an event from the list */
void 
event_delete_bynum(long start, unsigned num, int only_note)
{
	unsigned n;
	struct event_s *i, **iptr;

	n = 0;
	iptr = &eventlist;
	for (i = eventlist; i != 0; i = i->next) {
		if (event_inday(i, start)) {
			if (n == num) {
				if (only_note)
					erase_note(&i->note);
				else {
					*iptr = i->next;
					free(i->mesg);
					if (i->note != NULL)
						erase_note(&i->note);
					free(i);
				}
				return;
			}
			n++;
		}
		iptr = &i->next;
	}
	/* NOTREACHED */
	fputs(_("FATAL ERROR in event_delete_bynum: no such event\n"), stderr);
	exit(EXIT_FAILURE);
}