#include <fstream>
#include <string>
#include <vector>
#include <iomanip>

#include "MyClass.hpp"

void WriteMyClassHeader(std::ofstream &ofs, MyClass myclass) {
  int vec_size = myclass.vec.size();
  ofs.write((char*)& myclass.var1, sizeof(int));
  ofs.write((char*)& myclass.var2, sizeof(double));
  ofs.write((char*)& vec_size, sizeof(int));
}

int main() {
  std::string filename = "test.bin";
  std::ofstream ofs(filename, std::ios::binary);
  
  std::vector<MyClass> myclass_vector;
  // myclass vector を適当に作成
  
  if ( !ofs ) {
    std::cerr << "File : " << filename << " not found." << std::endl;
    std::exit(1);
  }
  else if ( myclass_vector.empty() ) {
    std::cerr << "Data null" << std::endl;
    std::exit(1);
  }
  else {
    for ( auto myclass : myclass_vector ) {
      WriteMyClassHeader(ofs, myclass);
      for ( auto ivec : myclass.vec ) {
        ofs.write((char*)& ivec, sizeof(double));
      }
    }
  }
  
  std::exit(0);
  
}