49 lines
1.3 KiB
C++
49 lines
1.3 KiB
C++
#pragma once
|
|
|
|
#if SIMDJSON_EXCEPTIONS
|
|
|
|
#include "partial_tweets.h"
|
|
|
|
namespace partial_tweets {
|
|
|
|
using namespace simdjson;
|
|
|
|
struct simdjson_ondemand {
|
|
using StringType=std::string_view;
|
|
|
|
ondemand::parser parser{};
|
|
|
|
simdjson_really_inline uint64_t nullable_int(ondemand::value value) {
|
|
if (value.is_null()) { return 0; }
|
|
return value;
|
|
}
|
|
|
|
simdjson_really_inline twitter_user<std::string_view> read_user(ondemand::object user) {
|
|
return { user.find_field("id"), user.find_field("screen_name") };
|
|
}
|
|
|
|
bool run(simdjson::padded_string &json, std::vector<tweet<std::string_view>> &result) {
|
|
// Walk the document, parsing the tweets as we go
|
|
auto doc = parser.iterate(json);
|
|
for (ondemand::object tweet : doc.find_field("statuses")) {
|
|
result.emplace_back(partial_tweets::tweet<std::string_view>{
|
|
tweet.find_field("created_at"),
|
|
tweet.find_field("id"),
|
|
tweet.find_field("text"),
|
|
nullable_int(tweet.find_field("in_reply_to_status_id")),
|
|
read_user(tweet.find_field("user")),
|
|
tweet.find_field("retweet_count"),
|
|
tweet.find_field("favorite_count")
|
|
});
|
|
}
|
|
|
|
return true;
|
|
}
|
|
};
|
|
|
|
BENCHMARK_TEMPLATE(partial_tweets, simdjson_ondemand)->UseManualTime();
|
|
|
|
} // namespace partial_tweets
|
|
|
|
#endif // SIMDJSON_EXCEPTIONS
|