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// c++ --std=c++11 use-rapidjson.cpp -o use-rapidjson && ./use-rapidjson
#include <cstdio>
#include <iostream>
#include "../rapidjson/include/rapidjson/reader.h"
#include "../rapidjson/include/rapidjson/filereadstream.h"
namespace rj = rapidjson;
class MyHandler: public rj::BaseReaderHandler<rj::UTF8<>, MyHandler> {
public:
bool Null() { std::cout << "Null()" << std::endl; return true; }
bool Bool(bool b) { std::cout << "Bool(" << std::boolalpha << b << ")" << std::endl; return true; }
bool Int(int i) { std::cout << "Int(" << i << ")" << std::endl; return true; }
bool Uint(unsigned u) { std::cout << "Uint(" << u << ")" << std::endl; return true; }
bool Int64(int64_t i) { std::cout << "Int64(" << i << ")" << std::endl; return true; }
bool Uint64(uint64_t u) { std::cout << "Uint64(" << u << ")" << std::endl; return true; }
bool Double(double d) { std::cout << "Double(" << d << ")" << std::endl; return true; }
bool String(const char* str, rj::SizeType length, bool copy) {
std::cout << "String(" << str << ", " << length << ", " << std::boolalpha << copy << ")" << std::endl;
return true;
}
bool StartObject() { std::cout << "StartObject()" << std::endl; return true; }
bool Key(const char* str, rj::SizeType length, bool copy) {
std::cout << "Key(" << str << ", " << length << ", " << std::boolalpha << copy << ")" << std::endl;
return true;
}
bool EndObject(rj::SizeType memberCount) { std::cout << "EndObject(" << memberCount << ")" << std::endl; return true; }
bool StartArray() { std::cout << "StartArray()" << std::endl; return true; }
bool EndArray(rj::SizeType elementCount) { std::cout << "EndArray(" << elementCount << ")" << std::endl; return true; }
};
int main() {
const char json[] = " { \"hel\\u2012lo\" : \"wo\\u2012rld\", \"t\" : true , \"f\" : false, \"n\": null, \"i\":123, \"pi\": 3.1416, \"a\":[1, 2, 3, 4] } ";
MyHandler handler;
rj::Reader reader;
rj::StringStream ss(json);
// FILE* fp = fopen("small-example.json", "rb");
// char readBuffer[65536];
// rj::FileReadStream ss(fp, readBuffer, sizeof(readBuffer));
reader.Parse(ss, handler);
return 0;
}
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