+static gchar *parse_version_number(gchar *text)
+{
+ int i;
+ gchar *vers;
+ gchar *s = text;
+
+ for (i = 0; (s[i] != '\\') && (i < 8); i++)
+ ;
+ if (s[i] != '\\') {
+ return NULL;
+ }
+
+ return vers = g_strndup(s, i);
+}
+
+static const gchar *google_version_number(MapCoord *mapcoord, GoogleType google_type)
+{
+ static gboolean first = TRUE;
+ static char *vers[] = { "w2.80", "w2t.80", "30", "w2p.81"};
+ FILE *tmp_file;
+ int tmp_fd;
+ gchar *tmpname;
+ gchar *uri;
+ VikCoord coord;
+ gchar coord_north_south[G_ASCII_DTOSTR_BUF_SIZE], coord_east_west[G_ASCII_DTOSTR_BUF_SIZE];
+ gchar *text, *pat, *beg;
+ GMappedFile *mf;
+ gsize len;
+ gchar *gvers, *tvers, *kvers, *terrvers, *tmpvers;
+ static DownloadOptions dl_options = { "http://maps.google.com/", 0, a_check_map_file };
+ /* static const char *gvers_pat = "http://mt0.google.com/mt?v\\x3d"; */
+ static const char *gvers_pat = "http://mt0.google.com/mt";
+ static const char *kvers_pat = "http://khm0.google.com/kh?v\\x3d";
+
+ g_assert(google_type < TYPE_GOOGLE_NUM);
+
+ if (!first)
+ return (vers[google_type]);
+
+
+ first = FALSE;
+ gvers = tvers = kvers = terrvers = NULL;
+ if ((tmp_fd = g_file_open_tmp ("vikgvers.XXXXXX", &tmpname, NULL)) == -1) {
+ g_critical(_("couldn't open temp file %s"), tmpname);
+ exit(1);
+ }
+
+ google_mapcoord_to_center_coord(mapcoord, &coord);
+ uri = g_strdup_printf("http://maps.google.com/maps?f=q&hl=en&q=%s,%s",
+ g_ascii_dtostr (coord_north_south, G_ASCII_DTOSTR_BUF_SIZE, (gdouble) coord.north_south),
+ g_ascii_dtostr (coord_east_west, G_ASCII_DTOSTR_BUF_SIZE, (gdouble) coord.east_west));
+ tmp_file = fdopen(tmp_fd, "r+");
+
+ if (curl_download_uri(uri, tmp_file, &dl_options)) { /* error */
+ g_warning(_("Failed downloading %s"), tmpname);
+ } else {
+ if ((mf = g_mapped_file_new(tmpname, FALSE, NULL)) == NULL) {
+ g_critical(_("couldn't map temp file"));
+ exit(1);
+ }
+ len = g_mapped_file_get_length(mf);
+ text = g_mapped_file_get_contents(mf);
+
+ if ((beg = g_strstr_len(text, len, "GLoadApi")) == NULL) {
+ g_warning(_("Failed fetching Google numbers (\"GLoadApi\" not found)"));
+ goto failed;
+ }
+
+ pat = beg;
+ while (!gvers || !tvers ||!terrvers) {
+ if ((pat = g_strstr_len(pat, &text[len] - pat, gvers_pat)) != NULL) {
+ pat += strlen(gvers_pat);
+ if ((pat[0] != '/' && pat[0] != '?') ||
+ pat[1] != 'v' || pat[2] != '\\' ||
+ pat[3] != 'x' || pat[4] != '3' || pat[5] != 'd')
+ continue;
+ pat += 6;
+ if ((tmpvers = parse_version_number(pat)) != NULL) {
+ if (strstr(tmpvers, "t."))
+ tvers = tmpvers;
+ else if (strstr(tmpvers, "p."))
+ terrvers = tmpvers;
+ else
+ gvers = tmpvers;
+ }
+ }
+ else
+ break;
+ }
+
+ if ((pat = g_strstr_len(beg, &text[len] - beg, kvers_pat)) != NULL)
+ kvers = parse_version_number(pat + strlen(kvers_pat));
+
+ if (gvers && tvers && kvers) {
+ vers[TYPE_GOOGLE_MAPS] = gvers;
+ vers[TYPE_GOOGLE_TRANS] = tvers;
+ vers[TYPE_GOOGLE_SAT] = kvers;
+ vers[TYPE_GOOGLE_TERRAIN] = terrvers;
+ }
+ else
+ g_warning(_("Failed getting google version numbers"));
+
+ if (gvers)
+ fprintf(stderr, "DEBUG gvers=%s\n", gvers);
+ if (tvers)
+ fprintf(stderr, "DEBUG tvers=%s\n", tvers);
+ if (terrvers)
+ fprintf(stderr, "DEBUG terrvers=%s\n", terrvers);
+ if (kvers)
+ fprintf(stderr, "DEBUG kvers=%s\n", kvers);
+
+failed:
+ g_mapped_file_free(mf);
+ }
+
+ fclose(tmp_file);
+ tmp_file = NULL;
+ g_free(tmpname);
+ g_free (uri);
+ return (vers[google_type]);
+}
+