#include "json/json.h"
#include <iostream>
#include <memory>
/**
 * \brief Parse a raw string into Value object using the CharReaderBuilder
 * class, or the legacy Reader class.
 * Example Usage:
 * $g++ readFromString.cpp -ljsoncpp -std=c++11 -o readFromString
 * $./readFromString
 * colin
 * 20
 */
int main() {
 const std::string rawJson = R"({"Age": 20, "Name": "colin"})";
 const auto rawJsonLength = static_cast<int>(rawJson.length());
 constexpr bool shouldUseOldWay = false;
 JSONCPP_STRING err;
 Json::Value root;

 if (shouldUseOldWay) {
 Json::Reader reader;
 reader.parse(rawJson, root);
 } else {
 Json::CharReaderBuilder builder;
 const std::unique_ptr<Json::CharReader> reader(builder.newCharReader());
 if (!reader->parse(rawJson.c_str(), rawJson.c_str() + rawJsonLength, &root,
 &err)) {
 std::cout << "error: " << err << std::endl;
 return EXIT_FAILURE;
 }
 }
 const std::string name = root["Name"].asString();
 const int age = root["Age"].asInt();

 std::cout << name << std::endl;
 std::cout << age << std::endl;
 return EXIT_SUCCESS;
}