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

   1 /* -*- mode: c; c-basic-offset: 4; tab-width: 4; indent-tabs-mode: t -*-
   2  *
   3  * Conky, a system monitor, based on torsmo
   4  *
   5  * Please see COPYING for details
   6  *
   7  * Copyright (c) 2007 Toni Spets
   8  * Copyright (c) 2005-2009 Brenden Matthews, Philip Kovacs, et. al.
   9  *      (see AUTHORS)
  10  * All rights reserved.
  11  *
  12  * This program is free software: you can redistribute it and/or modify
  13  * it under the terms of the GNU General Public License as published by
  14  * the Free Software Foundation, either version 3 of the License, or
  15  * (at your option) any later version.
  16  *
  17  * This program is distributed in the hope that it will be useful,
  18  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  19  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  20  * GNU General Public License for more details.
  21  * You should have received a copy of the GNU General Public License
  22  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  23  *
  24  * vim: ts=4 sw=4 noet ai cindent syntax=c
  25  *
  26  */
  27
  28 #include "conky.h"
  29 #include "logging.h"
  30 #include "prss.h"
  31 #include "ccurl_thread.h"
  32 #include <time.h>
  33 #include <assert.h>
  34
  35 static ccurl_location_t *locations_head = 0;
  36
  37 void rss_free_info(void)
  38 {
  39         ccurl_location_t *tail = locations_head;
  40
  41         while (tail) {
  42                 if (tail->result) prss_free((PRSS*)tail->result);       /* clean up old data */
  43                 tail = tail->next;
  44         }
  45         ccurl_free_locations(&locations_head);
  46 }
  47
  48 void rss_process_info(char *p, int p_max_size, char *uri, char *action, int
  49                 act_par, int interval, unsigned int nrspaces)
  50 {
  51         PRSS *data;
  52         char *str;
  53
  54         ccurl_location_t *curloc = ccurl_find_location(&locations_head, uri);
  55         if (!curloc->p_timed_thread) {
  56                 curloc->result = malloc(sizeof(PRSS));
  57                 memset(curloc->result, 0, sizeof(PRSS));
  58                 curloc->process_function = &prss_parse_data;
  59                 ccurl_init_thread(curloc, interval);
  60                 if (!curloc->p_timed_thread) {
  61                         NORM_ERR("error setting up RSS thread");
  62                 }
  63         }
  64
  65         timed_thread_lock(curloc->p_timed_thread);
  66         data = (PRSS*)curloc->result;
  67
  68         if (data == NULL) {
  69                 snprintf(p, p_max_size, "prss: Error reading RSS data\n");
  70         } else {
  71                 if (strcmp(action, "feed_title") == EQUAL) {
  72                         str = data->title;
  73                         if (str != NULL) {
  74                                 // remove trailing new line if one exists
  75                                 if (str[strlen(str) - 1] == '\n') {
  76                                         str[strlen(str) - 1] = 0;
  77                                 }
  78                                 snprintf(p, p_max_size, "%s", str);
  79                         }
  80                 } else if (strcmp(action, "item_title") == EQUAL) {
  81                         if (act_par < data->item_count) {
  82                                 str = data->items[act_par].title;
  83                                 // remove trailing new line if one exists
  84                                 if (str[strlen(str) - 1] == '\n') {
  85                                         str[strlen(str) - 1] = 0;
  86                                 }
  87                                 snprintf(p, p_max_size, "%s", str);
  88                         }
  89                 } else if (strcmp(action, "item_desc") == EQUAL) {
  90                         if (act_par < data->item_count) {
  91                                 str =
  92                                         data->items[act_par].description;
  93                                 // remove trailing new line if one exists
  94                                 if (str[strlen(str) - 1] == '\n') {
  95                                         str[strlen(str) - 1] = 0;
  96                                 }
  97                                 snprintf(p, p_max_size, "%s", str);
  98                         }
  99                 } else if (strcmp(action, "item_titles") == EQUAL) {
 100                         if (data->item_count > 0) {
 101                                 int itmp;
 102                                 int show;
 103                                 //'tmpspaces' is a string with spaces too be placed in front of each title
 104                                 char *tmpspaces = malloc(nrspaces + 1);
 105                                 memset(tmpspaces, ' ', nrspaces);
 106                                 tmpspaces[nrspaces]=0;
 107
 108                                 p[0] = 0;
 109
 110                                 if (act_par > data->item_count) {
 111                                         show = data->item_count;
 112                                 } else {
 113                                         show = act_par;
 114                                 }
 115                                 for (itmp = 0; itmp < show; itmp++) {
 116                                         PRSS_Item *item = &data->items[itmp];
 117
 118                                         str = item->title;
 119                                         if (str) {
 120                                                 // don't add new line before first item
 121                                                 if (itmp > 0) {
 122                                                         strncat(p, "\n", p_max_size);
 123                                                 }
 124                                                 /* remove trailing new line if one exists,
 125                                                  * we have our own */
 126                                                 if (str[strlen(str) - 1] == '\n') {
 127                                                         str[strlen(str) - 1] = 0;
 128                                                 }
 129                                                 strncat(p, tmpspaces, p_max_size);
 130                                                 strncat(p, str, p_max_size);
 131                                         }
 132                                 }
 133                                 free(tmpspaces);
 134                         }
 135                 }
 136         }
 137         timed_thread_unlock(curloc->p_timed_thread);
 138 }
 139