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* Move UDLs into nlohmann::literals::json_literals namespace * Add 'using namespace' to unit tests * Add 'using namespace' to examples * Add 'using namespace' to README * Move UDL mkdocs pages out of basic_json/ * Update documentation * Update docset index * Add JSON_GlobalUDLs CMake option * Add unit test * Build examples without global UDLs * Add CI target
65 lines
1.4 KiB
C++
65 lines
1.4 KiB
C++
#include <iostream>
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#include <iomanip>
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#include <nlohmann/json.hpp>
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using json = nlohmann::json;
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using namespace nlohmann::literals;
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// function to print BJData's diagnostic format
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void print_byte(uint8_t byte)
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{
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if (32 < byte and byte < 128)
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{
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std::cout << (char)byte;
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}
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else
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{
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std::cout << (int)byte;
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}
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}
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int main()
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{
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// create a JSON value
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json j = R"({"compact": true, "schema": false})"_json;
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// serialize it to BJData
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std::vector<std::uint8_t> v = json::to_bjdata(j);
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// print the vector content
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for (auto& byte : v)
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{
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print_byte(byte);
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}
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std::cout << std::endl;
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// create an array of numbers
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json array = {1, 2, 3, 4, 5, 6, 7, 8};
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// serialize it to BJData using default representation
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std::vector<std::uint8_t> v_array = json::to_bjdata(array);
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// serialize it to BJData using size optimization
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std::vector<std::uint8_t> v_array_size = json::to_bjdata(array, true);
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// serialize it to BJData using type optimization
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std::vector<std::uint8_t> v_array_size_and_type = json::to_bjdata(array, true, true);
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// print the vector contents
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for (auto& byte : v_array)
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{
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print_byte(byte);
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}
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std::cout << std::endl;
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for (auto& byte : v_array_size)
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{
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print_byte(byte);
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}
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std::cout << std::endl;
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for (auto& byte : v_array_size_and_type)
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{
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print_byte(byte);
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}
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std::cout << std::endl;
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}
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