1 files changed, 260 insertions, 301 deletions

diff --git a/navit/plugin.c b/navit/plugin.c
index 8c61bc9b7..82fcc61c5 100644
--- a/navit/plugin.c
+++ b/navit/plugin.c
@@ -1,4 +1,4 @@
-/**
+/*
  * Navit, a modular navigation system.
  * Copyright (C) 2005-2008 Navit Team
  *
@@ -38,15 +38,20 @@
 #include "item.h"
 #include "debug.h"
 
+/**
+ * @defgroup plugins
+ * @brief A interface to handle all plugins inside navit
+ *
+ * @{
+ */
+
 #ifdef USE_PLUGINS
 #ifndef HAVE_GMODULE
 typedef void * GModule;
 #define G_MODULE_BIND_LOCAL 1
 #define G_MODULE_BIND_LAZY 2
-static int
-g_module_supported(void)
-{
-	return 1;
+static int g_module_supported(void) {
+    return 1;
 }
 
 #ifdef HAVE_API_WIN32_BASE
@@ -54,382 +59,336 @@ g_module_supported(void)
 static DWORD last_error;
 static char errormsg[64];
 
-static void *
-g_module_open(char *name, int flags)
-{
-	HINSTANCE handle;
-	int len=MultiByteToWideChar(CP_ACP, MB_PRECOMPOSED, name, -1, 0, 0);
-	wchar_t filename[len];
-	MultiByteToWideChar(CP_ACP, MB_PRECOMPOSED, name, -1, filename, len) ;
-
-	handle = LoadLibraryW (filename);
-	if (!handle)
-		last_error=GetLastError();
-	return handle;
+static void *g_module_open(char *name, int flags) {
+    HINSTANCE handle;
+    int len=MultiByteToWideChar(CP_ACP, MB_PRECOMPOSED, name, -1, 0, 0);
+    wchar_t filename[len];
+    MultiByteToWideChar(CP_ACP, MB_PRECOMPOSED, name, -1, filename, len) ;
+
+    handle = LoadLibraryW (filename);
+    if (!handle)
+        last_error=GetLastError();
+    return handle;
 }
 
-static char *
-g_module_error(void)
-{
-	sprintf(errormsg,"dll error %d",(int)last_error);
-	return errormsg;
+static char *g_module_error(void) {
+    sprintf(errormsg,"dll error %d",(int)last_error);
+    return errormsg;
 }
 
-static int
-g_module_symbol(GModule *handle, char *symbol, gpointer *addr)
-{
+static int g_module_symbol(GModule *handle, char *symbol, gpointer *addr) {
 #ifdef HAVE_API_WIN32_CE
-	int len=MultiByteToWideChar(CP_ACP, MB_PRECOMPOSED, symbol, -1, 0, 0);
-	wchar_t wsymbol[len+1];
-	MultiByteToWideChar(CP_ACP, MB_PRECOMPOSED, symbol, -1, wsymbol, len) ;
-	*addr=GetProcAddress ((HANDLE)handle, wsymbol);
+    int len=MultiByteToWideChar(CP_ACP, MB_PRECOMPOSED, symbol, -1, 0, 0);
+    wchar_t wsymbol[len+1];
+    MultiByteToWideChar(CP_ACP, MB_PRECOMPOSED, symbol, -1, wsymbol, len) ;
+    *addr=GetProcAddress ((HANDLE)handle, wsymbol);
 #else
-	*addr=GetProcAddress ((HANDLE)handle, symbol);
+    *addr=GetProcAddress ((HANDLE)handle, symbol);
 #endif
-	if (*addr)
-		return 1;
-	last_error=GetLastError();
-	return 0;
+    if (*addr)
+        return 1;
+    last_error=GetLastError();
+    return 0;
 }
 
-static void
-g_module_close(GModule *handle)
-{
-	FreeLibrary((HANDLE)handle);
+static void g_module_close(GModule *handle) {
+    FreeLibrary((HANDLE)handle);
 }
 
 #else
-static void *
-g_module_open(char *name, int flags)
-{
-	return dlopen(name,
-		(flags & G_MODULE_BIND_LAZY ? RTLD_LAZY : RTLD_NOW) |
-		(flags & G_MODULE_BIND_LOCAL ? RTLD_LOCAL : RTLD_GLOBAL));
+static void *g_module_open(char *name, int flags) {
+    return dlopen(name,
+                  (flags & G_MODULE_BIND_LAZY ? RTLD_LAZY : RTLD_NOW) |
+                  (flags & G_MODULE_BIND_LOCAL ? RTLD_LOCAL : RTLD_GLOBAL));
 }
 
-static char *
-g_module_error(void)
-{
-	return dlerror();
+static char *g_module_error(void) {
+    return dlerror();
 }
 
-static int
-g_module_symbol(GModule *handle, char *symbol, gpointer *addr)
-{
-	*addr=dlsym(handle, symbol);
-	return (*addr != NULL);
+static int g_module_symbol(GModule *handle, char *symbol, gpointer *addr) {
+    *addr=dlsym(handle, symbol);
+    return (*addr != NULL);
 }
 
-static void
-g_module_close(GModule *handle)
-{
-	dlclose(handle);
+static void g_module_close(GModule *handle) {
+    dlclose(handle);
 }
 #endif
 #endif
 #endif
 
 struct plugin {
-	int active;
-	int lazy;
-	int ondemand;
-	char *name;
+    int active;
+    int lazy;
+    int ondemand;
+    char *name;
 #ifdef USE_PLUGINS
-	GModule *mod;
+    GModule *mod;
 #endif
-	void (*init)(void);
+    void (*init)(void);
 };
 
 struct plugins {
-	GHashTable *hash;
-	GList *list;
+    GHashTable *hash;
+    GList *list;
 } *pls;
 
-static struct plugin *
-plugin_new_from_path(char *plugin)
-{
+static struct plugin *plugin_new_from_path(char *plugin) {
 #ifdef USE_PLUGINS
-	struct plugin *ret;
-	if (! g_module_supported()) {
-	       return NULL;
-	}
-	ret=g_new0(struct plugin, 1);
-	ret->name=g_strdup(plugin);
-	return ret;
+    struct plugin *ret;
+    if (! g_module_supported()) {
+        return NULL;
+    }
+    ret=g_new0(struct plugin, 1);
+    ret->name=g_strdup(plugin);
+    return ret;
 #else
-	return NULL;
+    return NULL;
 #endif
 }
 
-int
-plugin_load(struct plugin *pl)
-{
+int plugin_load(struct plugin *pl) {
 #ifdef USE_PLUGINS
-	gpointer init;
-
-	GModule *mod;
-
-	if (pl->mod) {
-		dbg(lvl_debug,"'%s' already loaded, returning\n", pl->name);
-		return 1;
-	}
-	mod=g_module_open(pl->name, G_MODULE_BIND_LOCAL | (pl->lazy ? G_MODULE_BIND_LAZY : 0));
-	if (! mod) {
-		dbg(lvl_error,"can't load '%s', Error '%s'\n", pl->name, g_module_error());
-		return 0;
-	}
-	if (!g_module_symbol(mod, "plugin_init", &init)) {
-		dbg(lvl_error,"can't load '%s', plugin_init not found\n", pl->name);
-		g_module_close(mod);
-		return 0;
-	} else {
-		dbg(lvl_debug, "loaded module %s\n", pl->name);
-		pl->mod=mod;
-		pl->init=init;
-	}
-	return 1;
+    gpointer init;
+
+    GModule *mod;
+
+    if (pl->mod) {
+        dbg(lvl_debug,"'%s' already loaded, returning", pl->name);
+        return 1;
+    }
+    mod=g_module_open(pl->name, G_MODULE_BIND_LOCAL | (pl->lazy ? G_MODULE_BIND_LAZY : 0));
+    if (! mod) {
+        dbg(lvl_error,"can't load '%s', Error '%s'", pl->name, g_module_error());
+        return 0;
+    }
+    if (!g_module_symbol(mod, "plugin_init", &init)) {
+        dbg(lvl_error,"can't load '%s', plugin_init not found", pl->name);
+        g_module_close(mod);
+        return 0;
+    } else {
+        dbg(lvl_debug, "loaded module %s", pl->name);
+        pl->mod=mod;
+        pl->init=init;
+    }
+    return 1;
 #else
-	return 0;
+    return 0;
 #endif
 }
 
-char *
-plugin_get_name(struct plugin *pl)
-{
-	return pl->name;
+char *plugin_get_name(struct plugin *pl) {
+    return pl->name;
 }
 
-int
-plugin_get_active(struct plugin *pl)
-{
-	return pl->active;
+int plugin_get_active(struct plugin *pl) {
+    return pl->active;
 }
 
-void
-plugin_set_active(struct plugin *pl, int active)
-{
-	pl->active=active;
+void plugin_set_active(struct plugin *pl, int active) {
+    pl->active=active;
 }
 
-void
-plugin_set_lazy(struct plugin *pl, int lazy)
-{
-	pl->lazy=lazy;
+void plugin_set_lazy(struct plugin *pl, int lazy) {
+    pl->lazy=lazy;
 }
 
 #ifdef USE_PLUGINS
-static int
-plugin_get_ondemand(struct plugin *pl)
-{
-	return pl->ondemand;
+static int plugin_get_ondemand(struct plugin *pl) {
+    return pl->ondemand;
 }
 #endif
 
-static void
-plugin_set_ondemand(struct plugin *pl, int ondemand)
-{
-	pl->ondemand=ondemand;
+static void plugin_set_ondemand(struct plugin *pl, int ondemand) {
+    pl->ondemand=ondemand;
 }
 
-void
-plugin_call_init(struct plugin *pl)
-{
-	pl->init();
+void plugin_call_init(struct plugin *pl) {
+    pl->init();
 }
 
-void
-plugin_unload(struct plugin *pl)
-{
+void plugin_unload(struct plugin *pl) {
 #ifdef USE_PLUGINS
-	g_module_close(pl->mod);
-	pl->mod=NULL;
+    g_module_close(pl->mod);
+    pl->mod=NULL;
 #endif
 }
 
-void
-plugin_destroy(struct plugin *pl)
-{
-	g_free(pl);
+void plugin_destroy(struct plugin *pl) {
+    g_free(pl);
 }
 
 struct plugins *
-plugins_new(void)
-{
-	struct plugins *ret=g_new0(struct plugins, 1);
-	ret->hash=g_hash_table_new(g_str_hash, g_str_equal);
-	pls=ret;
-	return ret;
+plugins_new(void) {
+    struct plugins *ret=g_new0(struct plugins, 1);
+    ret->hash=g_hash_table_new(g_str_hash, g_str_equal);
+    pls=ret;
+    return ret;
 }
 
 struct plugin *
 plugin_new(struct attr *parent, struct attr **attrs) {
 #ifdef USE_PLUGINS
-	struct attr *path_attr, *attr;
-	struct file_wordexp *we;
-	int active=1; // default active
-	int lazy=0, ondemand=0;
-	int i, count;
-	char **array;
-	char *name;
-	struct plugin *pl=NULL;
-	struct plugins *pls=NULL;
-
-	if (parent)
-		pls=parent->u.plugins;
-
-	if (! (path_attr=attr_search(attrs, NULL, attr_path))) {
-		dbg(lvl_error,"missing path\n");
-		return NULL;
-	}
-	if ( (attr=attr_search(attrs, NULL, attr_active))) {
-		active=attr->u.num;
-	}
-	if ( (attr=attr_search(attrs, NULL, attr_lazy))) {
-		lazy=attr->u.num;
-	}
-	if ( (attr=attr_search(attrs, NULL, attr_ondemand))) {
-		ondemand=attr->u.num;
-	}
-	dbg(lvl_debug, "path=\"%s\", active=%d, lazy=%d, ondemand=%d\n",path_attr->u.str, active, lazy, ondemand);
-
-	we=file_wordexp_new(path_attr->u.str);
-	count=file_wordexp_get_count(we);
-	array=file_wordexp_get_array(we);	
-	dbg(lvl_info,"expanded to %d words\n",count);
-	if (count != 1 || file_exists(array[0])) {
-		for (i = 0 ; i < count ; i++) {
-			name=array[i];
-			dbg(lvl_info,"found plugin module file [%d]: '%s'\n", i, name);
-			if (! (pls && (pl=g_hash_table_lookup(pls->hash, name)))) {
-				pl=plugin_new_from_path(name);
-				if (! pl) {
-					dbg(lvl_error,"failed to create plugin from file '%s'\n", name);
-					continue;
-				}
-				if (pls) {
-					g_hash_table_insert(pls->hash, plugin_get_name(pl), pl);
-					pls->list=g_list_append(pls->list, pl);
-				}
-			} else {
-				if (pls) {
-					pls->list=g_list_remove(pls->list, pl);
-					pls->list=g_list_append(pls->list, pl);
-				}
-			}
-			plugin_set_active(pl, active);
-			plugin_set_lazy(pl, lazy);
-			plugin_set_ondemand(pl, ondemand);
-			if (!pls && active) {
-				if (!plugin_load(pl)) 
-					plugin_set_active(pl, 0);
-				else
-					plugin_call_init(pl);
-			}
-		}
-	}
-	file_wordexp_destroy(we);
-	return pl;
+    struct attr *path_attr, *attr;
+    struct file_wordexp *we;
+    int active=1; // default active
+    int lazy=0, ondemand=0;
+    int i, count;
+    char **array;
+    char *name;
+    struct plugin *pl=NULL;
+    struct plugins *pls=NULL;
+
+    if (parent)
+        pls=parent->u.plugins;
+
+    if (! (path_attr=attr_search(attrs, NULL, attr_path))) {
+        dbg(lvl_error,"missing path");
+        return NULL;
+    }
+    if ( (attr=attr_search(attrs, NULL, attr_active))) {
+        active=attr->u.num;
+    }
+    if ( (attr=attr_search(attrs, NULL, attr_lazy))) {
+        lazy=attr->u.num;
+    }
+    if ( (attr=attr_search(attrs, NULL, attr_ondemand))) {
+        ondemand=attr->u.num;
+    }
+    dbg(lvl_debug, "path=\"%s\", active=%d, lazy=%d, ondemand=%d",path_attr->u.str, active, lazy, ondemand);
+
+    we=file_wordexp_new(path_attr->u.str);
+    count=file_wordexp_get_count(we);
+    array=file_wordexp_get_array(we);
+    dbg(lvl_info,"expanded to %d words",count);
+    if (count != 1 || file_exists(array[0])) {
+        for (i = 0 ; i < count ; i++) {
+            name=array[i];
+            dbg(lvl_info,"found plugin module file [%d]: '%s'", i, name);
+            if (! (pls && (pl=g_hash_table_lookup(pls->hash, name)))) {
+                pl=plugin_new_from_path(name);
+                if (! pl) {
+                    dbg(lvl_error,"failed to create plugin from file '%s'", name);
+                    continue;
+                }
+                if (pls) {
+                    g_hash_table_insert(pls->hash, plugin_get_name(pl), pl);
+                    pls->list=g_list_append(pls->list, pl);
+                }
+            } else {
+                if (pls) {
+                    pls->list=g_list_remove(pls->list, pl);
+                    pls->list=g_list_append(pls->list, pl);
+                }
+            }
+            plugin_set_active(pl, active);
+            plugin_set_lazy(pl, lazy);
+            plugin_set_ondemand(pl, ondemand);
+            if (!pls && active) {
+                if (!plugin_load(pl))
+                    plugin_set_active(pl, 0);
+                else
+                    plugin_call_init(pl);
+            }
+        }
+    }
+    file_wordexp_destroy(we);
+    return pl;
 #else
     return 0;
 #endif
 }
 
-void
-plugins_init(struct plugins *pls)
-{
+void plugins_init(struct plugins *pls) {
 #ifdef USE_PLUGINS
-	struct plugin *pl;
-	GList *l;
-
-	l=pls->list;
-	if (l){
-		while (l) {
-			pl=l->data;
-			if (! plugin_get_ondemand(pl)) {
-				if (plugin_get_active(pl))
-					if (!plugin_load(pl))
-						plugin_set_active(pl, 0);
-				if (plugin_get_active(pl))
-					plugin_call_init(pl);
-			}
-			l=g_list_next(l);
-		}
-	} else {
-		dbg(lvl_error, "Warning: No plugins found. Is Navit installed correctly?\n");
-	}
+    struct plugin *pl;
+    GList *l;
+
+    l=pls->list;
+    if (l) {
+        while (l) {
+            pl=l->data;
+            if (! plugin_get_ondemand(pl)) {
+                if (plugin_get_active(pl))
+                    if (!plugin_load(pl))
+                        plugin_set_active(pl, 0);
+                if (plugin_get_active(pl))
+                    plugin_call_init(pl);
+            }
+            l=g_list_next(l);
+        }
+    } else {
+        dbg(lvl_error, "Warning: No plugins found. Is Navit installed correctly?");
+    }
 #endif
 }
 
-void
-plugins_destroy(struct plugins *pls)
-{
-	GList *l;
-	struct plugin *pl;
-
-	l=pls->list;
-	while (l) {
-		pl=l->data;
-		plugin_unload(pl);
-		plugin_destroy(pl);
-	}
-	g_list_free(pls->list);
-	g_hash_table_destroy(pls->hash);
-	g_free(pls);
+void plugins_destroy(struct plugins *pls) {
+    GList *l;
+    struct plugin *pl;
+
+    l=pls->list;
+    while (l) {
+        pl=l->data;
+        plugin_unload(pl);
+        plugin_destroy(pl);
+    }
+    g_list_free(pls->list);
+    g_hash_table_destroy(pls->hash);
+    g_free(pls);
 }
 
-static void *
-find_by_name(enum plugin_category category, const char *name)
-{
-	GList *name_list=plugin_categories[category];
-	while (name_list) {
-		struct name_val *nv=name_list->data;
-		if (!g_ascii_strcasecmp(nv->name, name))
-			return nv->val;
-		name_list=g_list_next(name_list);
-	}
-	return NULL;
+static void *find_by_name(enum plugin_category category, const char *name) {
+    GList *name_list=plugin_categories[category];
+    while (name_list) {
+        struct name_val *nv=name_list->data;
+        if (!g_ascii_strcasecmp(nv->name, name))
+            return nv->val;
+        name_list=g_list_next(name_list);
+    }
+    return NULL;
 }
 
-void *
-plugin_get_category(enum plugin_category category, const char *category_name, const char *name)
-{
-	GList *plugin_list;
-	struct plugin *pl;
-	char *mod_name, *filename=NULL, *corename=NULL;
-	void *result=NULL;
-
-	dbg(lvl_debug, "category=\"%s\", name=\"%s\"\n", category_name, name);
-
-	if ((result=find_by_name(category, name))) {
-		return result;
-	}
-	if (!pls)
-		return NULL;
-	plugin_list=pls->list;
-	filename=g_strjoin("", "lib", category_name, "_", name, NULL);
-	corename=g_strjoin("", "lib", category_name, "_", "core", NULL);
-	while (plugin_list) {
-		pl=plugin_list->data;
-		if ((mod_name=g_strrstr(pl->name, "/")))
-			mod_name++;
-		else
-			mod_name=pl->name;
-		if (!g_ascii_strncasecmp(mod_name, filename, strlen(filename)) || !g_ascii_strncasecmp(mod_name, corename, strlen(corename))) {
-			dbg(lvl_debug, "Loading module \"%s\"\n",pl->name) ;
-			if (plugin_get_active(pl)) 
-				if (!plugin_load(pl)) 
-					plugin_set_active(pl, 0);
-			if (plugin_get_active(pl)) 
-				plugin_call_init(pl);
-			if ((result=find_by_name(category, name))) {
-				g_free(filename);
-				g_free(corename);
-				return result;
-			}
-		}
-		plugin_list=g_list_next(plugin_list);
-	}
-	g_free(filename);
-	g_free(corename);
-	return NULL;
+void *plugin_get_category(enum plugin_category category, const char *category_name, const char *name) {
+    GList *plugin_list;
+    struct plugin *pl;
+    char *mod_name, *filename=NULL, *corename=NULL;
+    void *result=NULL;
+
+    dbg(lvl_debug, "category=\"%s\", name=\"%s\"", category_name, name);
+
+    if ((result=find_by_name(category, name))) {
+        return result;
+    }
+    if (!pls)
+        return NULL;
+    plugin_list=pls->list;
+    filename=g_strjoin("", "lib", category_name, "_", name, NULL);
+    corename=g_strjoin("", "lib", category_name, "_", "core", NULL);
+    while (plugin_list) {
+        pl=plugin_list->data;
+        if ((mod_name=g_strrstr(pl->name, "/")))
+            mod_name++;
+        else
+            mod_name=pl->name;
+        if (!g_ascii_strncasecmp(mod_name, filename, strlen(filename))
+                || !g_ascii_strncasecmp(mod_name, corename, strlen(corename))) {
+            dbg(lvl_debug, "Loading module \"%s\"",pl->name) ;
+            if (plugin_get_active(pl))
+                if (!plugin_load(pl))
+                    plugin_set_active(pl, 0);
+            if (plugin_get_active(pl))
+                plugin_call_init(pl);
+            if ((result=find_by_name(category, name))) {
+                g_free(filename);
+                g_free(corename);
+                return result;
+            }
+        }
+        plugin_list=g_list_next(plugin_list);
+    }
+    g_free(filename);
+    g_free(corename);
+    return NULL;
 }