/*
 * Copyright (c) JoinQuant Development Team
 * Author: Huayong Kuang <kuanghuayong@joinquant.com>
 *
 */

#include <iostream>
#include <string>
#include <cstring>
#include <json/value.h>
#include <json/json.h>

using namespace std;


void readStrJson()
{
	//字符串
 const char* str =
 "{\"praenomen\":\"Gaius\",\"nomen\":\"Julius\",\"cognomen\":\"Caezar\","
 "\"born\":-100,\"died\":-44}";

 /*
 //json内容如下:
 {
		"praenomen":"Gaius",
		"nomen":"Julius",
		"cognomen":"Caezar",
		"born":-100,
		"died":-44
	}
 */

 Json::Reader reader;
 Json::Value root;
//从字符串中读取数据
 if(reader.parse(str,root))
 {
 string praenomen = root["praenomen"].asString();
 string nomen = root["nomen"].asString();
 string cognomen = root["cognomen"].asString();
 int born = root["born"].asInt();
 int died = root["died"].asInt();
 string test = root["test"].asString(); // 没有时返回空字符串 string("")
 int test2 = root["test2"].asInt(); // 没有时返回 0

 cout << praenomen + " " + nomen + " " + cognomen
 << " was born in year " << born
 << ", died in year " << died << endl;
 cout << "test: '" << test << "'" << endl;
 cout << "test2: '" << test2 << "'" << endl;
 }

 //for (int i = 0; i < 10; i++) {
 //Json::Value root;
 //root["test"] = "hello world";
 //}

}


typedef struct {
 char name[16];
 int age;
} MyT;


void testValue() {
 Json::Value jv;

 jv["test"] = "hello world";
 jv["arr"].append(1);

 cout << jv.toStyledString() << endl;

 MyT person;
 strcpy(person.name, "Huoty");
 person.age = 30;
 //jv["person"] = person;
}



int main(void)
{
 readStrJson();
 testValue();

 return 0;
}