C++ (Cpp) FileData::retain Examples

Example #1

File: wrap_Filesystem.cpp Project: AntonioModer/LoveMore

FileData *luax_getfiledata(lua_State *L, int idx)
{
	FileData *data = nullptr;
	File *file = nullptr;

	if (lua_isstring(L, idx) || luax_istype(L, idx, FILESYSTEM_FILE_ID))
	{
		file = luax_getfile(L, idx);
		file->retain();
	}
	else if (luax_istype(L, idx, FILESYSTEM_FILE_DATA_ID))
	{
		data = luax_checkfiledata(L, idx);
		data->retain();
	}

	if (!data && !file)
	{
		luaL_argerror(L, idx, "filename, File, or FileData expected");
		return nullptr; // Never reached.
	}

	if (file)
	{
		luax_catchexcept(L,
			[&]() { data = file->read(); },
			[&](bool) { file->release(); }
		);
	}

	return data;
}