Core:Add:Added libnavit for better integration with osm2navit

git-svn-id: http://svn.code.sf.net/p/navit/code/trunk/navit@1198 ffa7fe5e-494d-0410-b361-a75ebd5db220

1 files changed, 155 insertions, 0 deletions

diff --git a/navit/start.c b/navit/start.c
new file mode 100644
index 000000000..315978cae
--- /dev/null
+++ b/navit/start.c
@@ -0,0 +1,155 @@
+/**
+ * Navit, a modular navigation system.
+ * Copyright (C) 2005-2008 Navit Team
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * version 2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the
+ * Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ * Boston, MA  02110-1301, USA.
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <glib.h>
+#include <getopt.h>
+#include <libintl.h>
+#include "config.h"
+#include "item.h"
+#include "coord.h"
+#include "main.h"
+#include "route.h"
+#include "navigation.h"
+#include "debug.h"
+#include "event.h"
+#include "xmlconfig.h"
+#include "file.h"
+#include "search.h"
+
+#define _(STRING)    gettext(STRING)
+
+static void
+print_usage(void)
+{
+	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"));
+}
+
+
+static gchar *
+get_home_directory(void)
+{
+	static gchar *homedir = NULL;
+
+	if (homedir) return homedir;
+	homedir = getenv("HOME");
+	if (!homedir)
+	{
+		g_warning("Could not find home directory. Using current directory as home directory.");
+		homedir = ".";
+	} else {
+		homedir=g_strdup(homedir);
+	}
+	return homedir;
+}
+
+int main(int argc, char **argv)
+{
+	GError *error = NULL;
+	char *config_file = NULL;
+	char *s;
+	int l;
+	int opt;
+
+    GList *list = NULL, *li;
+
+
+	main_init(argv[0]);
+	main_init_nls();
+	debug_init(argv[0]);
+#ifndef USE_PLUGINS
+	extern void builtin_init(void);
+	builtin_init();
+#endif
+	route_init();
+	navigation_init();
+	search_init();
+	config_file=NULL;
+	opterr=0;  //don't bomb out on errors.
+	if (argc > 1) {
+		while((opt = getopt(argc, argv, ":hvc:d:")) != -1) {
+			switch(opt) {
+			case 'h':
+				print_usage();
+				exit(0);
+				break;
+			case 'v':
+				printf("%s %s\n", "navit", "0.0.4+svn"); 
+				exit(0);
+				break;
+			case 'c':
+				printf("config file n is set to `%s'\n", optarg);
+	            config_file = optarg;
+				break;
+			case 'd':
+				printf("TODO Verbose option is set to `%s'\n", optarg);
+				break;
+			case ':':
+				fprintf(stderr, "navit: Error - Option `%c' needs a value\n", optopt);
+				print_usage();
+				exit(1);
+				break;
+			case '?':
+				fprintf(stderr, "navit: Error - No such option: `%c'\n", optopt);
+				print_usage();
+				exit(1);
+			}
+	    }
+	}
+	// use 1st cmd line option that is left for the config file
+	if (optind < argc) config_file = argv[optind];
+
+    // if config file is explicitely given only look for it, otherwise try std paths
+	if (config_file) list = g_list_append(list,g_strdup(config_file));
+    else {
+		list = g_list_append(list,g_strjoin(NULL,get_home_directory(), "/.navit/navit.xml" , NULL));
+		list = g_list_append(list,g_strdup("navit.xml.local"));
+		list = g_list_append(list,g_strdup("navit.xml"));
+		list = g_list_append(list,g_strjoin(NULL,getenv("NAVIT_SHAREDIR"), "/navit.xml.local" , NULL));
+		list = g_list_append(list,g_strjoin(NULL,getenv("NAVIT_SHAREDIR"), "/navit.xml" , NULL));
+	}
+	li = list;
+	do {
+		if (li == NULL) {
+			// We have not found an existing config file from all possibilities
+			printf(_("No config file navit.xml, navit.xml.local found\n"));
+			exit(1);
+		}
+        // Try the next config file possibility from the list
+		config_file = li->data;
+		if (!file_exists(config_file)) g_free(config_file);
+		li = g_list_next(li);
+	} while (!file_exists(config_file));
+	g_list_free(list);
+
+	if (!config_load(config_file, &error)) {
+		printf(_("Error parsing '%s': %s\n"), config_file, error->message);
+		exit(1);
+	} else {
+		printf(_("Using '%s'\n"), config_file);
+	}
+	if (! main_get_navit(NULL)) {
+		printf(_("No instance has been created, exiting\n"));
+		exit(1);
+	}
+	event_main_loop_run();
+
+	return 0;
+}