git.maemo.org Git - navit-package/blob - navit/start.c

   1 /**
   2  * Navit, a modular navigation system.
   3  * Copyright (C) 2005-2008 Navit Team
   4  *
   5  * This program is free software; you can redistribute it and/or
   6  * modify it under the terms of the GNU General Public License
   7  * version 2 as published by the Free Software Foundation.
   8  *
   9  * This program is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  * GNU General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU General Public License
  15  * along with this program; if not, write to the
  16  * Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  17  * Boston, MA  02110-1301, USA.
  18  */
  19
  20 #include <stdio.h>
  21 #include <stdlib.h>
  22 #include <glib.h>
  23 #include <getopt.h>
  24 #include "config.h"
  25 #include "version.h"
  26 #include "item.h"
  27 #include "coord.h"
  28 #include "main.h"
  29 #include "route.h"
  30 #include "navigation.h"
  31 #include "track.h"
  32 #include "debug.h"
  33 #include "event.h"
  34 #include "event_glib.h"
  35 #include "xmlconfig.h"
  36 #include "file.h"
  37 #include "search.h"
  38 #include "navit_nls.h"
  39 #include "atom.h"
  40 #ifdef HAVE_API_WIN32_CE
  41 #include <windows.h>
  42 #include <winbase.h>
  43 #endif
  44
  45 char *version=PACKAGE_VERSION" "SVN_VERSION""NAVIT_VARIANT;
  46
  47 static void
  48 print_usage(void)
  49 {
  50         printf(_("navit usage:\nnavit [options] [configfile]\n\t-c <file>: use <file> as config file\n\t-d <n>: set the debug output level to <n>. (TODO)\n\t-h: print this usage info and exit.\n\t-v: Print the version and exit.\n"));
  51 }
  52
  53
  54 static gchar *
  55 get_home_directory(void)
  56 {
  57         static gchar *homedir = NULL;
  58
  59         if (homedir) return homedir;
  60         homedir = getenv("HOME");
  61         if (!homedir)
  62         {
  63                 dbg(0,"Could not find home directory. Using current directory as home directory.\n");
  64                 homedir = ".";
  65         } else {
  66                 homedir=g_strdup(homedir);
  67         }
  68         return homedir;
  69 }
  70
  71 int main(int argc, char **argv)
  72 {
  73         xmlerror *error = NULL;
  74         char *config_file = NULL;
  75         int opt;
  76         char *cp;
  77
  78         GList *list = NULL, *li;
  79
  80
  81 #ifdef HAVE_GLIB
  82         event_glib_init();
  83 #endif
  84         atom_init();
  85         main_init(argv[0]);
  86         main_init_nls();
  87         debug_init(argv[0]);
  88
  89         cp = getenv("NAVIT_LOGFILE");
  90         if (cp)
  91                 debug_set_logfile(cp);
  92 #ifdef HAVE_API_WIN32_CE
  93         else
  94                 debug_set_logfile("/Storage Card/navit.log");
  95 #endif
  96         file_init();
  97 #ifndef USE_PLUGINS
  98         extern void builtin_init(void);
  99         builtin_init();
 100 #endif
 101         route_init();
 102         navigation_init();
 103         tracking_init();
 104         search_init();
 105         linguistics_init();
 106         config_file=NULL;
 107         opterr=0;  //don't bomb out on errors.
 108         if (argc > 1) {
 109                 /* DEVELOPPERS : don't forget to update the manpage if you modify theses options */
 110                 while((opt = getopt(argc, argv, ":hvc:d:")) != -1) {
 111                         switch(opt) {
 112                         case 'h':
 113                                 print_usage();
 114                                 exit(0);
 115                                 break;
 116                         case 'v':
 117                                 printf("%s %s\n", "navit", version);
 118                                 exit(0);
 119                                 break;
 120                         case 'c':
 121                                 printf("config file n is set to `%s'\n", optarg);
 122                     config_file = optarg;
 123                                 break;
 124                         case 'd':
 125                                 printf("TODO Verbose option is set to `%s'\n", optarg);
 126                                 break;
 127                         case ':':
 128                                 fprintf(stderr, "navit: Error - Option `%c' needs a value\n", optopt);
 129                                 print_usage();
 130                                 exit(1);
 131                                 break;
 132                         case '?':
 133                                 fprintf(stderr, "navit: Error - No such option: `%c'\n", optopt);
 134                                 print_usage();
 135                                 exit(1);
 136                         }
 137             }
 138         }
 139         // use 1st cmd line option that is left for the config file
 140         if (optind < argc) config_file = argv[optind];
 141
 142     // if config file is explicitely given only look for it, otherwise try std paths
 143         if (config_file) list = g_list_append(list,g_strdup(config_file));
 144     else {
 145                 list = g_list_append(list,g_strjoin(NULL,get_home_directory(), "/.navit/navit.xml" , NULL));
 146                 list = g_list_append(list,g_strdup("navit.xml.local"));
 147                 list = g_list_append(list,g_strdup("navit.xml"));
 148                 list = g_list_append(list,g_strjoin(NULL,getenv("NAVIT_SHAREDIR"), "/navit.xml.local" , NULL));
 149                 list = g_list_append(list,g_strjoin(NULL,getenv("NAVIT_SHAREDIR"), "/navit.xml" , NULL));
 150                 #ifndef _WIN32
 151                 list = g_list_append(list,g_strdup("/etc/navit/navit.xml"));
 152                 #endif
 153         }
 154         li = list;
 155         for (;;) {
 156                 if (li == NULL) {
 157                         // We have not found an existing config file from all possibilities
 158                         printf(_("No config file navit.xml, navit.xml.local found\n"));
 159                         exit(1);
 160                 }
 161         // Try the next config file possibility from the list
 162                 config_file = li->data;
 163                 if (file_exists(config_file))
 164                         break;
 165                 else
 166                         g_free(config_file);
 167                 li = g_list_next(li);
 168         }
 169
 170         if (!config_load(config_file, &error)) {
 171                 dbg(0, _("Error parsing '%s': %s\n"), config_file, error ? error->message : "");
 172         } else {
 173                 dbg(0, _("Using '%s'\n"), config_file);
 174         }
 175         while (li) {
 176                 g_free(li->data);
 177                 li = g_list_next(li);
 178         }
 179         g_list_free(list);
 180         if (! main_get_navit(NULL)) {
 181                 dbg(0, _("No instance has been created, exiting\n"));
 182                 exit(1);
 183         }
 184         event_main_loop_run();
 185
 186         return 0;
 187 }