summaryrefslogtreecommitdiff
path: root/src/event.c
blob: 7e7609705049fb731dc3611af7c1cd592506143e (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
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
/*
 * 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 (enum eraseflg flag)
{
  if (bkp_cut_event.mesg)
    {
      mem_free (bkp_cut_event.mesg);
      bkp_cut_event.mesg = 0;
    }
  erase_note (&bkp_cut_event.note, flag);
}

static void
event_free (struct event *ev)
{
  mem_free (ev->mesg);
  erase_note (&ev->note, ERASE_FORCE_KEEP_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);
  (void)fprintf (f, "%02u/%02u/%04u [%d] ", lt->tm_mon + 1, lt->tm_mday,
                 1900 + lt->tm_year, o->id);
  if (o->note != NULL)
    (void)fprintf (f, ">%s ", o->note);
  (void)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);
  (void)localtime (&t);

  /* Read the event description */
  (void)fgets (buf, sizeof buf, 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);
  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, flag);
      break;
    case ERASE_CUT:
      event_free_bkp (ERASE_FORCE);
      event_dup (ev, &bkp_cut_event);
      erase_note (&ev->note, ERASE_FORCE_KEEP_NOTE);
      /* FALLTHROUGH */
    default:
      LLIST_REMOVE (&eventlist, i);
      mem_free (ev->mesg);
      if (flag != ERASE_FORCE_KEEP_NOTE && flag != ERASE_CUT)
        erase_note (&ev->note, flag);
      mem_free (ev);
      break;
    }
}

void
event_paste_item (void)
{
  (void)event_new (bkp_cut_event.mesg, bkp_cut_event.note,
                   date2sec (*calendar_get_slctd_day (), 12, 0),
                   bkp_cut_event.id);
  event_free_bkp (ERASE_FORCE_KEEP_NOTE);
}