std::string oni2DevInfoStr(const openni::DeviceInfo& info, int tab){ std::stringstream sst; std::string space; for(int i = 0;i < tab;++i){ space += " "; } sst << space << "name=" << info.getName() << std::endl; sst << space << "uri=" << info.getUri() << std::endl; sst << space << "vendor=" << info.getVendor() << std::endl; sst << space << "product=" << info.getUsbProductId(); return sst.str(); }