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

   1 #include <locale.h>
   2 #include <stdlib.h>
   3 #include <stdio.h>
   4 #include <getopt.h>
   5 #include <string.h>
   6 #include <signal.h>
   7 #include <glib.h>
   8 #include <sys/types.h>
   9
  10 #ifndef _WIN32
  11 #include <sys/wait.h>
  12 #include <signal.h>
  13 #endif
  14
  15 #include <unistd.h>
  16 #include <libintl.h>
  17 #include "config.h"
  18 #include "file.h"
  19 #include "debug.h"
  20 #include "main.h"
  21 #include "navit.h"
  22 #include "gui.h"
  23 #include "xmlconfig.h"
  24 #include "item.h"
  25 #include "coord.h"
  26 #include "route.h"
  27 #include "navigation.h"
  28 #include "event.h"
  29
  30 #define _(STRING)    gettext(STRING)
  31
  32 struct map_data *map_data_default;
  33
  34 static void sigchld(int sig)
  35 {
  36 #ifndef _WIN32
  37         int status;
  38         while (waitpid(-1, &status, WNOHANG) > 0);
  39 #endif
  40 }
  41
  42
  43 gchar *get_home_directory(void)
  44 {
  45         static gchar *homedir = NULL;
  46
  47         if (homedir) return homedir;
  48         homedir = getenv("HOME");
  49         if (!homedir)
  50         {
  51                 g_warning("Could not find home directory. Using current directory as home directory.");
  52                 homedir = ".";
  53         }
  54         return homedir;
  55 }
  56
  57 static GList *navit;
  58
  59 struct iter {
  60         GList *list;
  61 };
  62
  63 struct iter *
  64 main_iter_new(void)
  65 {
  66         struct iter *ret=g_new0(struct iter, 1);
  67         ret->list=navit;
  68         return ret;
  69 }
  70
  71 void
  72 main_iter_destroy(struct iter *iter)
  73 {
  74         g_free(iter);
  75 }
  76
  77 struct navit *
  78 main_get_navit(struct iter *iter)
  79 {
  80         GList *list;
  81         struct navit *ret=NULL;
  82         if (iter)
  83                 list=iter->list;
  84         else
  85                 list=navit;
  86         if (list) {
  87                 ret=(struct navit *)(list->data);
  88                 if (iter)
  89                         iter->list=g_list_next(iter->list);
  90         }
  91         return ret;
  92
  93 }
  94 void
  95 main_add_navit(struct navit *nav)
  96 {
  97         navit=g_list_prepend(navit, nav);
  98 }
  99
 100 void
 101 main_remove_navit(struct navit *nav)
 102 {
 103         navit=g_list_remove(navit, nav);
 104         if (! navit)
 105                 event_main_loop_quit();
 106 }
 107
 108 void
 109 print_usage(void)
 110 {
 111         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"));
 112 }
 113
 114 int main(int argc, char **argv)
 115 {
 116         GError *error = NULL;
 117         char *config_file = NULL;
 118         char *s;
 119         int l;
 120
 121
 122 #ifndef _WIN32
 123         signal(SIGCHLD, sigchld);
 124 #endif
 125
 126         setenv("LC_NUMERIC","C",1);
 127         setlocale(LC_ALL,"");
 128         setlocale(LC_NUMERIC,"C");
 129         if (file_exists("navit.c") || file_exists("navit.o")) {
 130                 char buffer[PATH_MAX];
 131                 printf(_("Running from source directory\n"));
 132                 getcwd(buffer, PATH_MAX);
 133                 setenv("NAVIT_PREFIX", buffer, 0);
 134                 setenv("NAVIT_LIBDIR", buffer, 0);
 135                 setenv("NAVIT_SHAREDIR", buffer, 0);
 136                 setenv("NAVIT_LIBPREFIX", "*/.libs/", 0);
 137                 s=g_strdup_printf("%s/../locale", buffer);
 138                 setenv("NAVIT_LOCALEDIR", s, 0);
 139                 g_free(s);
 140         } else {
 141                 if (!getenv("NAVIT_PREFIX")) {
 142                         l=strlen(argv[0]);
 143                         if (l > 10 && !strcmp(argv[0]+l-10,"/bin/navit")) {
 144                                 s=g_strdup(argv[0]);
 145                                 s[l-10]='\0';
 146                                 if (strcmp(s, PREFIX))
 147                                         printf(_("setting '%s' to '%s'\n"), "NAVIT_PREFIX", s);
 148                                 setenv("NAVIT_PREFIX", s, 0);
 149                                 g_free(s);
 150                         } else
 151                                 setenv("NAVIT_PREFIX", PREFIX, 0);
 152                 }
 153 #ifdef _WIN32
 154                 s=g_strdup_printf("locale");
 155 #else
 156                 s=g_strdup_printf("%s/share/locale", getenv("NAVIT_PREFIX"));
 157 #endif
 158                 setenv("NAVIT_LOCALEDIR", s, 0);
 159                 g_free(s);
 160 #ifdef _WIN32
 161                 s=g_strdup_printf(".");
 162 #else
 163                 s=g_strdup_printf("%s/share/navit", getenv("NAVIT_PREFIX"));
 164 #endif
 165                 setenv("NAVIT_SHAREDIR", s, 0);
 166                 g_free(s);
 167                 s=g_strdup_printf("%s/lib/navit", getenv("NAVIT_PREFIX"));
 168                 setenv("NAVIT_LIBDIR", s, 0);
 169                 g_free(s);
 170         }
 171         bindtextdomain(PACKAGE, getenv("NAVIT_LOCALEDIR"));
 172         bind_textdomain_codeset (PACKAGE, "UTF-8");
 173         textdomain(PACKAGE);
 174
 175         debug_init(argv[0]);
 176         if (getenv("LC_ALL"))
 177                 dbg(0,"Warning: LC_ALL is set, this might lead to problems\n");
 178 #ifndef USE_PLUGINS
 179         extern void builtin_init(void);
 180         builtin_init();
 181 #endif
 182 #if 0
 183         /* handled in gui/gtk */
 184         gtk_set_locale();
 185         gtk_init(&argc, &argv);
 186         gdk_rgb_init();
 187 #endif
 188         s = getenv("NAVIT_WID");
 189         if (s) {
 190                 setenv("SDL_WINDOWID", s, 0);
 191         }
 192         route_init();
 193         navigation_init();
 194         config_file=NULL;
 195         int opt;
 196         opterr=0;  //don't bomb out on errors.
 197         if (argc > 1) {
 198                 while((opt = getopt(argc, argv, ":hvc:d:")) != -1) {
 199                         switch(opt) {
 200                         case 'h':
 201                                 print_usage();
 202                                 exit(0);
 203                                 break;
 204                         case 'v':
 205                                 printf("%s %s\n", "navit", "0.0.4+svn");
 206                                 exit(0);
 207                                 break;
 208                         case 'c':
 209                                 printf("config file n is set to `%s'\n", optarg);
 210                     config_file = optarg;
 211                                 break;
 212                         case 'd':
 213                                 printf("TODO Verbose option is set to `%s'\n", optarg);
 214                                 break;
 215                         case ':':
 216                                 fprintf(stderr, "navit: Error - Option `%c' needs a value\n", optopt);
 217                                 print_usage();
 218                                 exit(1);
 219                                 break;
 220                         case '?':
 221                                 fprintf(stderr, "navit: Error - No such option: `%c'\n", optopt);
 222                                 print_usage();
 223                                 exit(1);
 224                         }
 225             }
 226         }
 227         // use 1st cmd line option that is left for the config file
 228         if (optind < argc) config_file = argv[optind];
 229
 230     GList *list = NULL, *li;
 231     // if config file is explicitely given only look for it, otherwise try std paths
 232         if (config_file) list = g_list_append(list,g_strdup(config_file));
 233     else {
 234                 list = g_list_append(list,g_strjoin(NULL,get_home_directory(), "/.navit/navit.xml" , NULL));
 235                 list = g_list_append(list,g_strdup("navit.xml.local"));
 236                 list = g_list_append(list,g_strdup("navit.xml"));
 237                 list = g_list_append(list,g_strjoin(NULL,getenv("NAVIT_SHAREDIR"), "/navit.xml.local" , NULL));
 238                 list = g_list_append(list,g_strjoin(NULL,getenv("NAVIT_SHAREDIR"), "/navit.xml" , NULL));
 239         }
 240         li = list;
 241         do {
 242                 if (li == NULL) {
 243                         // We have not found an existing config file from all possibilities
 244                         printf(_("No config file navit.xml, navit.xml.local found\n"));
 245                         exit(1);
 246                 }
 247         // Try the next config file possibility from the list
 248                 config_file = li->data;
 249                 if (!file_exists(config_file)) g_free(config_file);
 250                 li = g_list_next(li);
 251         } while (!file_exists(config_file));
 252         g_list_free(list);
 253
 254         if (!config_load(config_file, &error)) {
 255                 printf(_("Error parsing '%s': %s\n"), config_file, error->message);
 256                 exit(1);
 257         } else {
 258                 printf(_("Using '%s'\n"), config_file);
 259         }
 260         if (! navit) {
 261                 printf(_("No instance has been created, exiting\n"));
 262                 exit(1);
 263         }
 264         if (main_loop_gui) {
 265                 gui_run_main_loop(main_loop_gui);
 266         } else
 267                 event_main_loop_run();
 268
 269         return 0;
 270 }