extern int loader_android (lua_State *L) {
const char* name = lua_tostring(L, -1);
name = luaL_gsub(L, name, ".", LUA_DIRSEP);
char pname[4096];
char *filebytes;
long size;
// try lua/share/lua/5.1/torch.lua
strlcpy(pname, "lua/share/lua/5.1/", sizeof(pname));
strlcat(pname, name, sizeof(pname));
strlcat(pname, ".lua", sizeof(pname));
size = android_asset_get_size(pname);
if (size != -1) {
filebytes = android_asset_get_bytes(pname);
luaL_loadbuffer(L, filebytes, size, name);
return 1;
}
// try lua/share/lua/5.1/torch/init.lua
pname[0] = '\0';
strlcpy(pname, "lua/share/lua/5.1/", sizeof(pname));
strlcat(pname, name, sizeof(pname));
strlcat(pname, "/init.lua", sizeof(pname));
size = android_asset_get_size(pname);
if (size != -1) {
filebytes = android_asset_get_bytes(pname);
luaL_loadbuffer(L, filebytes, size, name);
return 1;
}
return 1;
}
JNIEXPORT long JNICALL
Java_com_torchandroid_facedemo_CameraClass_initTorch(JNIEnv *env, jobject thiz, jobject assetManager)
{
// get native asset manager. This allows access to files stored in the assets folder
AAssetManager* manager = AAssetManager_fromJava(env, assetManager);
assert( NULL != manager);
lua_State *L = NULL;
L = inittorch(manager); // create a lua_State
// load and run file
char file[] = "main.lua";
int ret;
long size = android_asset_get_size(file);
if (size != -1) {
char *filebytes = android_asset_get_bytes(file);
ret = luaL_dobuffer(L, filebytes, size, "main");
if (ret == 1) {
D("Torch Error doing resource: %s\n", file);
D(lua_tostring(L,-1));
} else {
D("Torch script ran succesfully.");
}
}
lua_register(L,"parse",parse); //This function is used by main.lua.
return (long) L;
}
JNIEXPORT long JNICALL
Java_com_torchandroid_neuraltalk_lua_LuaManager_initTorch(JNIEnv *env, jobject thiz, jobject assetManager, jstring nativeLibraryDir_)
{
// get native asset manager. This allows access to files stored in the assets folder
AAssetManager* manager = AAssetManager_fromJava(env, assetManager);
assert( NULL != manager);
const char *nativeLibraryDir = env->GetStringUTFChars(nativeLibraryDir_, 0);
lua_State *L = NULL;
L = inittorch(manager, nativeLibraryDir);// create a lua_State
// load and run file
char file[] = "init-only.lua";
int ret;
long size = android_asset_get_size(file);
if (size != -1) {
char *filebytes = android_asset_get_bytes(file);
ret = luaL_dobuffer(L, filebytes, size, "init-only");
if (ret == 1) {
D("Torch Error doing resource: %s\n", file);
D(lua_tostring(L,-1));
} else {
D("Torch script ran successfully.");
}
}
return (long) L;
}
