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* Adding simdjson example * Update README.md Co-authored-by: Lars Melchior <TheLartians@users.noreply.github.com> * cmake format --------- Co-authored-by: Lars Melchior <TheLartians@users.noreply.github.com>
31 lines
1.1 KiB
C++
31 lines
1.1 KiB
C++
#include <iostream>
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#include "simdjson.h"
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using namespace simdjson;
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int main() {
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ondemand::parser parser;
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auto cars_json = R"( [
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{ "make": "Toyota", "model": "Camry", "year": 2018, "tire_pressure": [ 40.1, 39.9, 37.7, 40.4 ] },
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{ "make": "Kia", "model": "Soul", "year": 2012, "tire_pressure": [ 30.1, 31.0, 28.6, 28.7 ] },
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{ "make": "Toyota", "model": "Tercel", "year": 1999, "tire_pressure": [ 29.8, 30.0, 30.2, 30.5 ] }
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] )"_padded;
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// Iterating through an array of objects
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for (ondemand::object car : parser.iterate(cars_json)) {
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// Accessing a field by name
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std::cout << "Make/Model: " << std::string_view(car["make"]) << "/"
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<< std::string_view(car["model"]) << std::endl;
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// Casting a JSON element to an integer
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uint64_t year = car["year"];
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std::cout << "- This car is " << 2020 - year << " years old." << std::endl;
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// Iterating through an array of floats
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double total_tire_pressure = 0;
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for (double tire_pressure : car["tire_pressure"]) {
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total_tire_pressure += tire_pressure;
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}
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std::cout << "- Average tire pressure: " << (total_tire_pressure / 4) << std::endl;
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}
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} |