2 * upkg: tool for manipulating Unreal Tournament packages.
3 * Copyright © 2009-2011 Nick Bowler
5 * This program is free software: you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation, either version 3 of the License, or
8 * (at your option) any later version.
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
15 * You should have received a copy of the GNU General Public License
16 * along with this program. If not, see <http://www.gnu.org/licenses/>.
23 #include <glib-object.h>
26 #include <uobject/module.h>
27 #include <uobject/uobject.h>
28 #include <uobject/package.h>
32 static unsigned initialized;
33 static struct avl_table *package_tree;
35 static char *str_cpy_lower(char *dst, const char *src)
39 for (i = 0; src[i]; i++)
40 dst[i] = tolower(src[i]);
46 static int modcmp(const void *a, const void *b, void *_data)
48 const GTypeModule *ma = a;
49 const GTypeModule *mb = b;
51 return strcmp(ma->name, mb->name);
54 int u_object_module_init(void)
57 package_tree = avl_create(modcmp, NULL, NULL);
59 fprintf(stderr, "%s: failed to create package tree.\n", __func__);
70 int u_object_module_exit(void)
75 avl_destroy(package_tree, NULL);
80 static int lookup_module(GTypeModule **out, const char *name)
82 struct { GTypeModule pkg; char buf[]; } *search_key;
85 search_key = malloc(sizeof *search_key + strlen(name) + 1);
89 search_key->pkg = (GTypeModule) {
90 .name = str_cpy_lower(search_key->buf, name),
93 result = avl_find(package_tree, search_key);
101 u_module_get_from_import(GTypeModule *pkg, const struct upkg_import *i)
105 while (i->parent != NULL)
108 if (strcmp(i->class_package, "Core") != 0
109 || strcmp(i->class_name, "Package") != 0) {
110 u_err(pkg, "import root must be an instance of Core.Package");
114 if (lookup_module(&result, i->name) != 0) {
115 u_err(pkg, "fatal error performing package lookup");
122 result = u_pkg_open(i->name);
124 u_warn(pkg, "failed to open package: %s", i->name);
128 p = avl_probe(package_tree, result);
130 u_err(pkg, "fatal error inserting package");
131 g_object_unref(result);
139 GType u_object_module_get_class(GTypeModule *pkg, long class)
142 const char *classname;
145 u_warn(pkg, "class implementations not supported yet");
147 } else if (class < 0) {
148 const struct upkg_import *import;
150 import = upkg_get_import(U_PKG(pkg)->pkg, -(class+1));
152 u_err(pkg, "invalid package import: %ld", -(class+1));
156 mod = u_module_get_from_import(pkg, import);
160 classname = import->name;
161 } else if (class > 0) {
162 const struct upkg_export *export;
164 export = upkg_get_export(U_PKG(pkg)->pkg, class-1);
166 u_err(pkg, "invalid package export: %ld", class-1);
171 classname = export->name;
174 if (!g_type_module_use(mod))
177 /* XXX: Do this better. */
178 char typename[strlen(mod->name) + strlen(classname) + 1];
179 str_cpy_lower(typename, mod->name);
180 str_cpy_lower(typename+strlen(mod->name), classname);
181 typename[0] = toupper(typename[0]);
182 typename[strlen(mod->name)] = toupper(typename[strlen(mod->name)]);
184 return g_type_from_name(typename);