#include <fstream>
#include <functional>
#include <iostream>
#include <list>
#include <map>
#include <memory>
#include <set>
#include <sstream>
#include <string>
#include <thread>
#include <vector>
//
#include <winsock2.h>
//
#include <Windows.h>
//
#include <stdio.h>

#pragma comment(lib, "ws2_32.lib")
#define PORT 8988

int main(int argc, char *argv[]) {
  /**
   * @brief
   * 打开raw.txt
   * 读取raw.txt全部内容
   * 去掉换行，空格，回车
   * 将16进制字符串转换成二进制
   * 写入raw.bin
   */

  std::ifstream ifs("raw.txt");
  std::string   str((std::istreambuf_iterator<char>(ifs)), std::istreambuf_iterator<char>());
  ifs.close();

  std::string str2;
  for (auto &c : str) {
    if (c == ' ' || c == '\n' || c == '\r') {
      continue;
    }
    str2.push_back(c);
  }

  std::ofstream ofs("raw.bin", std::ios::binary);
  for (size_t i = 0; i < str2.size(); i += 2) {
    std::string str3 = str2.substr(i, 2);
    char        c    = (char)std::stoi(str3, nullptr, 16);
    ofs.write(&c, 1);
  }
  ofs.close();

  return 0;
}