+/*
+ * upkg: tool for manipulating Unreal Tournament packages.
+ * Copyright (C) 2009 Nick Bowler
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <glib-object.h>
#include <ltdl.h>
-#include "module.h"
-
-G_DEFINE_TYPE(UPkgModule, upkg_module, G_TYPE_TYPE_MODULE);
+#include <uobject/module.h>
+#include <uobject/package.h>
+#include "avl.h"
static unsigned initialized;
+static struct avl_table *package_tree;
-static void dl_print_errors(const char *prefix)
+static char *str_cpy_lower(char *dst, const char *src)
{
- const char *err;
- while (err = lt_dlerror()) {
- if (prefix) fprintf(stderr, "%s: ", prefix);
- puts(err);
- }
-}
+ size_t i;
-static gboolean module_load(GTypeModule *m)
-{
- UPkgModule *mod = UPKG_MODULE(m);
- int (*init_func)(GTypeModule *);
+ for (i = 0; src[i]; i++)
+ dst[i] = tolower(src[i]);
+ dst[i] = 0;
- mod->dl = lt_dlopenext(G_TYPE_MODULE(m)->name);
- if (!mod->dl) {
- dl_print_errors(__func__);
- return FALSE;
- }
+ return dst;
+}
- init_func = lt_dlsym(mod->dl, "init");
- if (!init_func || init_func(m) != 0) {
- dl_print_errors(__func__);
- lt_dlclose(mod->dl);
- return FALSE;
- }
+static int modcmp(const void *a, const void *b, void *_data)
+{
+ const GTypeModule *ma = a;
+ const GTypeModule *mb = b;
- return TRUE;
+ return strcmp(ma->name, mb->name);
}
-static void module_unload(GTypeModule *m)
+int u_object_module_init(void)
{
- UPkgModule *mod = UPKG_MODULE(m);
+ if (!initialized) {
+ package_tree = avl_create(modcmp, NULL, NULL);
+ if (!package_tree) {
+ fprintf(stderr, "%s: failed to create package tree.\n", __func__);
+ return -1;
+ }
- if (lt_dlclose(mod->dl) != 0) {
- dl_print_errors(__func__);
+ g_type_init();
}
-}
-static void upkg_module_init(UPkgModule *mod)
-{
+ initialized++;
+ return 0;
}
-static void upkg_module_class_init(UPkgModuleClass *class)
+int u_object_module_exit(void)
{
- GTypeModuleClass *modclass = G_TYPE_MODULE_CLASS(class);
+ if (--initialized)
+ return 0;
- modclass->load = module_load;
- modclass->unload = module_unload;
+ avl_destroy(package_tree, NULL);
+
+ return 0;
}
-UPkgModule *upkg_module_new(const char *name)
+GType u_object_module_get_class(const char *package, const char *class)
{
- char *name2;
- size_t len;
+ char buf[strlen(package) + strlen(class) + 1];
+ GTypeModule search = { .name = str_cpy_lower(buf, package) };
- if (!name) {
- return NULL;
- }
-
- len = strlen(name);
- name2 = malloc(len+1);
- if (!name2) {
- return NULL;
- }
-
- UPkgModule *mod = g_object_new(UPKG_MODULE_TYPE, NULL);
+ GTypeModule *mod = avl_find(package_tree, &search);
if (!mod) {
- free(name2);
- return NULL;
- }
+ void **p;
- G_TYPE_MODULE(mod)->name = name2;
- for (size_t i = 0; i < len; i++) {
- name2[i] = tolower(name[i]);
- }
- name2[len] = 0;
-
- return mod;
-}
-
-int module_init(void)
-{
- if (!initialized) {
- if (lt_dlinit() != 0) {
- dl_print_errors(__func__);
- return -1;
+ mod = u_pkg_new(package);
+ if (!mod) {
+ return 0;
}
- g_type_init();
+ p = avl_probe(package_tree, mod);
+ if (!p) {
+ g_object_unref(mod);
+ return 0;
+ }
}
- initialized++;
- return 0;
-}
-
-int module_exit(void)
-{
- if (--initialized)
+ if (!g_type_module_use(mod))
return 0;
- if (lt_dlexit() != 0) {
- dl_print_errors(__func__);
- return -1;
- }
+ str_cpy_lower(buf+strlen(package), class);
+ buf[0] = toupper(buf[0]);
+ buf[strlen(package)] = toupper(buf[strlen(package)]);
+ return g_type_from_name(buf);
}