/*
* upkg: tool for manipulating Unreal Tournament packages.
- * Copyright (C) 2009 Nick Bowler
+ * Copyright © 2009-2011 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
#include <ltdl.h>
#include <uobject/package.h>
+#include <uobject/vfs.h>
#include "upkg.h"
#define U_PKG_GET_PRIV(o) \
G_DEFINE_TYPE(UPkg, u_pkg, G_TYPE_TYPE_MODULE);
-/* Package search path. */
-static char *search_path;
-static size_t search_path_sz;
-
-/* List of package file extensions, in descending order of precedence. */
-static const char u_pkg_exts[][5] = { ".u", ".utx", ".umx", ".uax", ".unr" };
-
static char *str_cpy_lower(char *dst, const char *src)
{
size_t i;
return dst;
}
-static int str_cmp_lower(const char *s1, const char *s2)
-{
- size_t i;
-
- for (i = 0; s1[i] && s2[i]; i++) {
- int c1 = tolower(s1[i]), c2 = tolower(s2[i]);
- if (c1 < c2)
- return -1;
- if (c1 > c2)
- return 1;
- }
-
- if (s1[i])
- return 1;
- if (s2[i])
- return -1;
- return 0;
-}
-
static void dl_print_errors(const char *prefix)
{
const char *err;
}
}
-/*
- * Function for use with lt_dlforeachfile. The user data must point to
- * a UPkg with the GTypeModule name field initialized. If a suitable file
- * is found and could be successfully opened for reading, the pkg class member
- * will be filled in.
- */
-static int find_package_by_name(const char *filename, void *data)
-{
- GTypeModule *m = G_TYPE_MODULE(data);
- UPkg *upkg = U_PKG(data);
-
- const char *base;
- size_t len;
- char *buf;
-
- base = strrchr(filename, '/');
- if (base) {
- base++;
- } else {
- base = filename;
- }
-
- if (str_cmp_lower(base, m->name) != 0)
- return 0;
-
- len = strlen(filename);
- buf = malloc(len + sizeof **u_pkg_exts);
- if (!buf)
- return 0;
- strcpy(buf, filename);
-
- for (unsigned i = 0; i < sizeof u_pkg_exts / sizeof *u_pkg_exts; i++) {
- strcpy(buf+len, u_pkg_exts[i]);
- upkg->pkg = upkg_fopen(buf);
- if (!upkg->pkg) {
- free(buf);
- return 1;
- }
- }
-
- free(buf);
- return 0;
-}
-
static gboolean u_pkg_load(GTypeModule *m)
{
struct upkg_priv *priv = U_PKG_GET_PRIV(m);
int (*init_func)(GTypeModule *);
- if (m->name) {
- priv->native = lt_dlopenext(m->name);
- if (!priv->native) {
- dl_print_errors(m->name);
- return FALSE;
- }
+ /* Ignore failure here until we get rid of native-only packages. */
+ U_PKG(m)->pkg = u_pkg_vfs_open_by_name(m->name);
+ priv->native = lt_dlopenext(m->name);
+ if (priv->native) {
init_func = lt_dlsym(priv->native, "init");
if (!init_func || init_func(m) != 0) {
dl_print_errors(__func__);
lt_dlclose(priv->native);
+ upkg_close(U_PKG(m)->pkg);
return FALSE;
}
}
- if (!U_PKG(m)->pkg) {
- lt_dlforeachfile(u_pkg_get_search_path(), find_package_by_name, m);
- }
-
return TRUE;
}
if (lt_dlclose(priv->native) != 0) {
dl_print_errors(__func__);
}
+
+ priv->native = NULL;
}
if (upkg->pkg) {
static void u_pkg_finalize(GObject *o)
{
- UPkg *upkg = U_PKG(o);
-
- if (upkg->pkg) {
- upkg_close(upkg->pkg);
- }
+ u_pkg_unload(G_TYPE_MODULE(o));
}
static void u_pkg_class_init(UPkgClass *class)
objclass->finalize = u_pkg_finalize;
}
-static int expand_search_path(size_t need)
-{
- size_t want = search_path_sz;
- if (want == 0) want = 1;
-
- while (want < need)
- want *= 2;
-
- if (want > search_path_sz) {
- char *new = realloc(search_path, want);
- if (!new) {
- return -1;
- }
-
- search_path = new;
- search_path_sz = want;
- }
-
- return 0;
-}
-
-const char *u_pkg_get_search_path(void)
-{
- return search_path ? search_path : "";
-}
-
-int u_pkg_set_search_path(const char *path)
-{
- if (expand_search_path(strlen(path)+1) != 0)
- return -1;
- strcpy(search_path, path);
- return 0;
-}
-
-int u_pkg_add_search_dir(const char *path)
-{
- size_t end = search_path ? strlen(search_path) : 0;
-
- if (end == 0) {
- return u_pkg_set_search_path(path);
- }
-
- if (expand_search_path(end + strlen(path) + 2) != 0)
- return -1;
- search_path[end] = LT_PATHSEP_CHAR;
- strcpy(search_path+end+1, path);
- return 0;
-}
-
-GTypeModule *u_pkg_new_by_name(const char *name)
+GTypeModule *u_pkg_open(const char *name)
{
g_return_val_if_fail(name != NULL, NULL);
return mod;
}
-GTypeModule *u_pkg_new_by_file(const char *filename)
+bool u_pkg_is_native(GTypeModule *m)
{
- struct upkg *pkg = upkg_fopen(filename);
- if (!pkg) {
- return NULL;
- }
-
- GTypeModule *mod = g_object_new(U_PKG_TYPE, NULL);
- if (!mod) {
- upkg_close(pkg);
- return NULL;
- }
+ struct upkg_priv *priv = U_PKG_GET_PRIV(m);
- mod->name = NULL;
- U_PKG(mod)->pkg = pkg;
- return mod;
+ return priv->native;
}