simdjson/benchmark/partial_tweets/dom.h

51 lines
1.1 KiB
C++

#pragma once
#if SIMDJSON_EXCEPTIONS
#include "partial_tweets.h"
namespace partial_tweets {
using namespace simdjson;
class Dom {
public:
simdjson_really_inline bool Run(const padded_string &json);
simdjson_really_inline const std::vector<tweet> &Result() { return tweets; }
simdjson_really_inline size_t ItemCount() { return tweets.size(); }
private:
dom::parser parser{};
std::vector<tweet> tweets{};
simdjson_really_inline uint64_t nullable_int(dom::element element) {
if (element.is_null()) { return 0; }
return element;
}
};
simdjson_really_inline bool Dom::Run(const padded_string &json) {
tweets.clear();
for (dom::element tweet : parser.parse(json)["statuses"]) {
auto user = tweet["user"];
tweets.emplace_back(partial_tweets::tweet{
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(PartialTweets, Dom);
} // namespace partial_tweets
#endif // SIMDJSON_EXCEPTIONS