nuclear@39: /*
nuclear@39: Stereoscopic tunnel for iOS.
nuclear@39: Copyright (C) 2011  John Tsiombikas <nuclear@member.fsf.org>
nuclear@39: 
nuclear@39: This program is free software: you can redistribute it and/or modify
nuclear@39: it under the terms of the GNU General Public License as published by
nuclear@39: the Free Software Foundation, either version 3 of the License, or
nuclear@39: (at your option) any later version.
nuclear@39: 
nuclear@39: This program is distributed in the hope that it will be useful,
nuclear@39: but WITHOUT ANY WARRANTY; without even the implied warranty of
nuclear@39: MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
nuclear@39: GNU General Public License for more details.
nuclear@39: 
nuclear@39: You should have received a copy of the GNU General Public License
nuclear@39: along with this program.  If not, see <http://www.gnu.org/licenses/>.
nuclear@39: */
nuclear@39: 
nuclear@39: 
nuclear@4: #include <stdio.h>
nuclear@4: #include <stdlib.h>
nuclear@4: #include <string.h>
nuclear@4: #include <errno.h>
nuclear@4: #include <unistd.h>
nuclear@4: #include "respath.h"
nuclear@15: #include "config.h"
nuclear@4: 
nuclear@15: #ifdef IPHONE
nuclear@4: #include <CoreFoundation/CoreFoundation.h>
nuclear@4: #endif
nuclear@4: 
nuclear@4: 
nuclear@4: #ifndef IPHONE
nuclear@4: struct path_node {
nuclear@4: 	char *path;
nuclear@4: 	struct path_node *next;
nuclear@4: };
nuclear@4: 
nuclear@4: static struct path_node *pathlist;
nuclear@4: 
nuclear@4: void add_resource_path(const char *path)
nuclear@4: {
nuclear@4: 	struct path_node *node = 0;
nuclear@4: 
nuclear@4: 	if(!(node = malloc(sizeof *node)) || !(node->path = malloc(strlen(path) + 1))) {
nuclear@4: 		free(node);
nuclear@4: 		fprintf(stderr, "failed to add path: %s: %s\n", path, strerror(errno));
nuclear@4: 		return;
nuclear@4: 	}
nuclear@4: 	strcpy(node->path, path);
nuclear@4: 	node->next = pathlist;
nuclear@4: 	pathlist = node;
nuclear@4: }
nuclear@4: 
nuclear@4: char *find_resource(const char *fname, char *path, size_t sz)
nuclear@4: {
nuclear@4: 	static char buffer[1024];
nuclear@4: 	struct path_node *node;
nuclear@4: 
nuclear@4: 	if(!path) {
nuclear@4: 		path = buffer;
nuclear@4: 		sz = sizeof buffer;
nuclear@4: 	}
nuclear@4: 
nuclear@4: 	node = pathlist;
nuclear@4: 	while(node) {
nuclear@4: 		snprintf(path, sz, "%s/%s", node->path, fname);
nuclear@4: 		if(access(path, F_OK) != -1) {
nuclear@4: 			return path;
nuclear@4: 		}
nuclear@4: 		node = node->next;
nuclear@4: 	}
nuclear@27: 
nuclear@27: 	fprintf(stderr, "can't find resource: %s\n", fname);
nuclear@4: 	return 0;
nuclear@4: }
nuclear@4: 
nuclear@4: #else	/* IPHONE */
nuclear@4: 
nuclear@4: void add_resource_path(const char *path)
nuclear@4: {
nuclear@4: }
nuclear@4: 
nuclear@4: 
nuclear@4: char *find_resource(const char *fname, char *path, size_t sz)
nuclear@4: {
nuclear@4: 	static char buffer[1024];
nuclear@4: 	CFBundleRef bundle;
nuclear@4: 	CFURLRef url;
nuclear@4: 	CFStringRef cfname;
nuclear@4: 
nuclear@4: 	cfname = CFStringCreateWithCString(0, fname, kCFStringEncodingASCII);
nuclear@4: 
nuclear@4: 	bundle = CFBundleGetMainBundle();
nuclear@4: 	if(!(url = CFBundleCopyResourceURL(bundle, cfname, 0, 0))) {
nuclear@4: 		return 0;
nuclear@4: 	}
nuclear@4: 
nuclear@4: 	if(!path) {
nuclear@4: 		path = buffer;
nuclear@4: 		sz = sizeof buffer;
nuclear@4: 	}
nuclear@4: 
nuclear@4: 	if(!CFURLGetFileSystemRepresentation(url, 1, (unsigned char*)path, sz)) {
nuclear@4: 		return 0;
nuclear@4: 	}
nuclear@4: 	return path;
nuclear@4: }
nuclear@4: #endif