#pragma once #if SIMDJSON_EXCEPTIONS #include "distinct_user_id.h" namespace distinct_user_id { using namespace simdjson; struct simdjson_dom_json_pointer { dom::parser parser{}; bool run(simdjson::padded_string &json, std::vector &result) { // Walk the document, parsing as we go auto doc = parser.parse(json); for (dom::object tweet : doc["statuses"]) { // We believe that all statuses have a matching // user, and we are willing to throw when they do not. result.push_back(tweet.at_pointer("/user/id")); // Not all tweets have a "retweeted_status", but when they do // we want to go and find the user within. auto retweet_id = tweet.at_pointer("/retweeted_status/user/id"); if (retweet_id.error() != NO_SUCH_FIELD) { result.push_back(retweet_id); } } return true; } }; BENCHMARK_TEMPLATE(distinct_user_id, simdjson_dom_json_pointer)->UseManualTime(); } // namespace distinct_user_id #endif // SIMDJSON_EXCEPTIONS