38 lines
1.0 KiB
C++
38 lines
1.0 KiB
C++
#pragma once
|
|
|
|
#if SIMDJSON_EXCEPTIONS
|
|
|
|
#include "distinct_user_id.h"
|
|
|
|
namespace distinct_user_id {
|
|
|
|
using namespace simdjson;
|
|
|
|
struct simdjson_ondemand {
|
|
ondemand::parser parser{};
|
|
|
|
bool run(simdjson::padded_string &json, std::vector<uint64_t> &result) {
|
|
// Walk the document, parsing as we go
|
|
auto doc = parser.iterate(json);
|
|
for (ondemand::object tweet : doc.find_field("statuses")) {
|
|
// We believe that all statuses have a matching
|
|
// user, and we are willing to throw when they do not.
|
|
result.push_back(tweet.find_field("user").find_field("id"));
|
|
// Not all tweets have a "retweeted_status", but when they do
|
|
// we want to go and find the user within.
|
|
auto retweet = tweet.find_field("retweeted_status");
|
|
if (!retweet.error()) {
|
|
result.push_back(retweet.find_field("user").find_field("id"));
|
|
}
|
|
}
|
|
|
|
return true;
|
|
}
|
|
};
|
|
|
|
BENCHMARK_TEMPLATE(distinct_user_id, simdjson_ondemand)->UseManualTime();
|
|
|
|
} // namespace distinct_user_id
|
|
|
|
#endif // SIMDJSON_EXCEPTIONS
|