ceph/src/rapidjson/example/simpledom/simpledom.cpp

   1 // JSON simple example
   2 // This example does not handle errors.
   3
   4 #include "rapidjson/document.h"
   5 #include "rapidjson/writer.h"
   6 #include "rapidjson/stringbuffer.h"
   7 #include <iostream>
   8
   9 using namespace rapidjson;
  10
  11 int main() {
  12     // 1. Parse a JSON string into DOM.
  13     const char* json = "{\"project\":\"rapidjson\",\"stars\":10}";
  14     Document d;
  15     d.Parse(json);
  16
  17     // 2. Modify it by DOM.
  18     Value& s = d["stars"];
  19     s.SetInt(s.GetInt() + 1);
  20
  21     // 3. Stringify the DOM
  22     StringBuffer buffer;
  23     Writer<StringBuffer> writer(buffer);
  24     d.Accept(writer);
  25
  26     // Output {"project":"rapidjson","stars":11}
  27     std::cout << buffer.GetString() << std::endl;
  28     return 0;
  29 }