74 lines
2.4 KiB
C++
74 lines
2.4 KiB
C++
#pragma once
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#ifdef SIMDJSON_COMPETITION_NLOHMANN_JSON
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#include "kostya.h"
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namespace kostya {
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using json = nlohmann::json;
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struct nlohmann_json_sax {
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static constexpr diff_flags DiffFlags = diff_flags::NONE;
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struct Handler : json::json_sax_t
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{
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size_t k{0};
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double buffer[3];
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std::vector<point>& result;
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Handler(std::vector<point>& r) : result(r) { }
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bool key(string_t& val) override {
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switch(val[0]) {
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case 'x':
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k = 0;
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break;
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case 'y':
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k = 1;
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break;
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case 'z':
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k = 2;
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break;
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}
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return true;
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}
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bool number_float(number_float_t val, const string_t& s) override {
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buffer[k] = val;
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if (k == 2) {
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result.emplace_back(json_benchmark::point{buffer[0],buffer[1],buffer[2]});
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k = 0;
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}
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return true;
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}
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bool number_unsigned(number_unsigned_t val) override { // Need this event because coordinate value can be equal to 1
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buffer[k] = val;
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if (k == 2) {
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result.emplace_back(json_benchmark::point{buffer[0],buffer[1],buffer[2]});
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k = 0;
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}
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return true;
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}
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// Irrelevant events
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bool null() override { return true; }
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bool boolean(bool val) override { return true; }
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bool number_integer(number_integer_t val) override { return true; }
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bool string(string_t& val) override { return true; }
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bool start_object(std::size_t elements) override { return true; }
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bool end_object() override { return true; }
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bool start_array(std::size_t elements) override { return true; }
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bool end_array() override { return true; }
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bool binary(json::binary_t& val) override { return true; }
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bool parse_error(std::size_t position, const std::string& last_token, const json::exception& ex) override { return false; }
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}; // Handler
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bool run(simdjson::padded_string &json, std::vector<point> &result) {
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Handler handler(result);
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json::sax_parse(json.data(), &handler);
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return true;
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}
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}; // nlohmann_json_sax
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BENCHMARK_TEMPLATE(kostya, nlohmann_json_sax)->UseManualTime();
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} // namespace kostya
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#endif // SIMDJSON_COMPETITION_NLOHMANN_JSON
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