vcs.maemo.org Git - monky/blob - src/rss.c

   1 /* Conky, a system monitor, based on torsmo
   2  *
   3  * Please see COPYING for details
   4  *
   5  * Copyright (c) 2007 Toni Spets
   6  * Copyright (c) 2005-2009 Brenden Matthews, Philip Kovacs, et. al.
   7  *      (see AUTHORS)
   8  * All rights reserved.
   9  *
  10  * This program is free software: you can redistribute it and/or modify
  11  * it under the terms of the GNU General Public License as published by
  12  * the Free Software Foundation, either version 3 of the License, or
  13  * (at your option) any later version.
  14  *
  15  * This program is distributed in the hope that it will be useful,
  16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18  * GNU General Public License for more details.
  19  * You should have received a copy of the GNU General Public License
  20  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  21  *
  22  */
  23
  24 #include "conky.h"
  25 #include "logging.h"
  26 #include "prss.h"
  27 #include "ccurl_thread.h"
  28 #include <time.h>
  29 #include <assert.h>
  30
  31 static ccurl_location_t *locations_head = 0;
  32
  33 void rss_free_info(void)
  34 {
  35         ccurl_location_t *tail = locations_head;
  36
  37         while (tail) {
  38                 if (tail->result) prss_free((PRSS*)tail->result);       /* clean up old data */
  39                 tail = tail->next;
  40         }
  41         ccurl_free_locations(&locations_head);
  42 }
  43
  44 void rss_process_info(char *p, int p_max_size, char *uri, char *action, int
  45                 act_par, int interval, unsigned int nrspaces)
  46 {
  47         PRSS *data;
  48         char *str;
  49
  50         ccurl_location_t *curloc = ccurl_find_location(&locations_head, uri);
  51         if (!curloc->p_timed_thread) {
  52                 curloc->result = malloc(sizeof(PRSS));
  53                 memset(curloc->result, 0, sizeof(PRSS));
  54                 curloc->process_function = &prss_parse_data;
  55                 ccurl_init_thread(curloc, interval);
  56                 if (!curloc->p_timed_thread) {
  57                         ERR("error setting up RSS thread");
  58                 }
  59         }
  60
  61         timed_thread_lock(curloc->p_timed_thread);
  62         data = (PRSS*)curloc->result;
  63
  64         if (data == NULL) {
  65                 snprintf(p, p_max_size, "prss: Error reading RSS data\n");
  66         } else {
  67                 if (strcmp(action, "feed_title") == EQUAL) {
  68                         str = data->title;
  69                         // remove trailing new line if one exists
  70                         if (str[strlen(str) - 1] == '\n') {
  71                                 str[strlen(str) - 1] = 0;
  72                         }
  73                         snprintf(p, p_max_size, "%s", str);
  74                 } else if (strcmp(action, "item_title") == EQUAL) {
  75                         if (act_par < data->item_count) {
  76                                 str = data->items[act_par].title;
  77                                 // remove trailing new line if one exists
  78                                 if (str[strlen(str) - 1] == '\n') {
  79                                         str[strlen(str) - 1] = 0;
  80                                 }
  81                                 snprintf(p, p_max_size, "%s", str);
  82                         }
  83                 } else if (strcmp(action, "item_desc") == EQUAL) {
  84                         if (act_par < data->item_count) {
  85                                 str =
  86                                         data->items[act_par].description;
  87                                 // remove trailing new line if one exists
  88                                 if (str[strlen(str) - 1] == '\n') {
  89                                         str[strlen(str) - 1] = 0;
  90                                 }
  91                                 snprintf(p, p_max_size, "%s", str);
  92                         }
  93                 } else if (strcmp(action, "item_titles") == EQUAL) {
  94                         if (data->item_count > 0) {
  95                                 int itmp;
  96                                 int show;
  97                                 //'tmpspaces' is a string with spaces too be placed in front of each title
  98                                 char *tmpspaces = malloc(nrspaces + 1);
  99                                 memset(tmpspaces, ' ', nrspaces);
 100                                 tmpspaces[nrspaces]=0;
 101
 102                                 p[0] = 0;
 103
 104                                 if (act_par > data->item_count) {
 105                                         show = data->item_count;
 106                                 } else {
 107                                         show = act_par;
 108                                 }
 109                                 for (itmp = 0; itmp < show; itmp++) {
 110                                         PRSS_Item *item = &data->items[itmp];
 111
 112                                         str = item->title;
 113                                         if (str) {
 114                                                 // don't add new line before first item
 115                                                 if (itmp > 0) {
 116                                                         strncat(p, "\n", p_max_size);
 117                                                 }
 118                                                 /* remove trailing new line if one exists,
 119                                                  * we have our own */
 120                                                 if (str[strlen(str) - 1] == '\n') {
 121                                                         str[strlen(str) - 1] = 0;
 122                                                 }
 123                                                 strncat(p, tmpspaces, p_max_size);
 124                                                 strncat(p, str, p_max_size);
 125                                         }
 126                                 }
 127                                 free(tmpspaces);
 128                         }
 129                 }
 130         }
 131         timed_thread_unlock(curloc->p_timed_thread);
 132 }
 133