simdjson/benchmark/partial_tweets/nlohmann_json.h

40 lines
1.0 KiB
C++

#pragma once
#ifdef SIMDJSON_COMPETITION_NLOHMANN_JSON
#include "partial_tweets.h"
namespace partial_tweets {
struct nlohmann_json {
using StringType=std::string;
simdjson_really_inline uint64_t nullable_int(nlohmann::json value) {
if (value.is_null()) { return 0; }
return value;
}
bool run(simdjson::padded_string &json, std::vector<tweet<std::string>> &result) {
auto root = nlohmann::json::parse(json.data(), json.data() + json.size());
for (auto tweet : root["statuses"]) {
auto user = tweet["user"];
result.emplace_back(partial_tweets::tweet<std::string>{
tweet["created_at"],
tweet["id"],
tweet["text"],
nullable_int(tweet["in_reply_to_status_id"]),
{ user["id"], user["screen_name"] },
tweet["retweet_count"],
tweet["favorite_count"]
});
}
return true;
}
};
BENCHMARK_TEMPLATE(partial_tweets, nlohmann_json)->UseManualTime();
} // namespace partial_tweets
#endif // SIMDJSON_COMPETITION_NLOHMANN_JSON