50 lines
1.1 KiB
C++
50 lines
1.1 KiB
C++
#pragma once
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#if SIMDJSON_EXCEPTIONS
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#include "find_tweet.h"
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namespace find_tweet {
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using namespace simdjson;
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using namespace simdjson::builtin;
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class OnDemand {
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public:
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OnDemand() {
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if(!displayed_implementation) {
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std::cout << "On Demand implementation: " << builtin_implementation()->name() << std::endl;
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displayed_implementation = true;
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}
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}
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simdjson_really_inline bool Run(const padded_string &json);
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simdjson_really_inline std::string_view Result() { return text; }
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simdjson_really_inline size_t ItemCount() { return 1; }
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private:
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ondemand::parser parser{};
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std::string_view text{};
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static inline bool displayed_implementation = false;
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};
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simdjson_really_inline bool OnDemand::Run(const padded_string &json) {
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text = "";
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// Walk the document, parsing as we go
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auto doc = parser.iterate(json);
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for (ondemand::object tweet : doc["statuses"]) {
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if (uint64_t(tweet["id"]) == TWEET_ID) {
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text = tweet["text"];
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return true;
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}
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}
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return false;
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}
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BENCHMARK_TEMPLATE(FindTweet, OnDemand);
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} // namespace find_tweet
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#endif // SIMDJSON_EXCEPTIONS
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