bool CCZipFile::initWithBuffer(const void *buffer, uLong size)
{
if (!buffer || size == 0) return false;
m_zipFile = unzOpenBuffer(buffer, size);
if (!m_zipFile) return false;
return true;
}
int load_game_scripts(lua_State* L, const char* zipfile) {
size_t size = 0;
unsigned char* filedata = s_read(zipfile, &size, 0);
if (!filedata) {
fprintf(stderr, "unable to read zipfile = %s\n", zipfile);
return 1;
}
unzFile unzfile = unzOpenBuffer(filedata, size);
if(!unzfile) {
fprintf(stderr, "open zip from buffer failed.\n");
return 1;
}
lua_getglobal(L, "package");
lua_getfield(L, -1, "preload");
char filename[1024] = "";
int err = unzGoToFirstFile(unzfile);
if (err) {
fprintf(stderr, "go to first file failed");
return 1;
}
bool succeed = true;
while (true) {
unz_file_info info;
err = unzGetCurrentFileInfo(unzfile, &info, filename, 1024, NULL, 0, NULL, 0);
if (err) {
fprintf(stderr, "get current file info failed, filename = %s\n", filename);
succeed = false;
break;
}
unz_file_pos file_pos;
err = unzGetFilePos(unzfile, &file_pos);
err = unzGoToFilePos(unzfile, &file_pos);
err = unzOpenCurrentFile(unzfile);
unsigned long size = info.uncompressed_size;
unsigned char* buffer = s_malloc(size);
unsigned int readed = unzReadCurrentFile(unzfile, buffer, (unsigned int)size);
if(readed != size) {
succeed = false;
fprintf(stderr, "read zip file failed? error size, required = %ld, readed = %d, filename = %s\n",
size, readed, filename);
goto error;
}
err = luaL_loadbuffer(L, (const char*)buffer, size, filename);
if(err) {
fprintf(stderr, "error loadL_loadbuffer, filename = %s\n", filename);
goto error;
}
lua_setfield(L, -2, filename);
if(unzGoToNextFile(unzfile) == UNZ_END_OF_LIST_OF_FILE) {
succeed = true;
break;
}
unzCloseCurrentFile(unzfile);
s_free(buffer);
continue;
error:
succeed = false;
unzCloseCurrentFile(unzfile);
s_free(buffer);
break;
}
lua_pop(L, -1);
return succeed ? 1 : 0;
}
