<?xml version="1.0" encoding="UTF-8"?>
<authorization>
    <user name="user1"  login="login1" password="password1">
        <role type="rerrer"/>
        <role type="engineer"/>
    </user>
    <user name="user2"  login="login2" password="password2" role="operator" />
    <user name="user3"  login="login3" password="password3" role="engineer" />
    <user name="user4"  login="login4" password="password4" role="installer" />
</authorization>

#ifndef CAUTHORIZATIONDATA_H
#define CAUTHORIZATIONDATA_H
#include <string>
#include <vector>

namespace Authorization
{

 struct CAuthorizationData
 {
    struct CUserData
    {
        std::string _name;
        std::string _login;
        std::string _password;

        enum class RolesType
        {
            _none,
            _viewer,
            _operator,
            _engineer,
            _installer
        };

        std::vector<RolesType> _roles;
    };

    std::vector<CUserData> _users;
 };

}

#endif // CSETTINGSDATA_H

#include <iostream>
#include "tinyxml2.h"
#include "CAuthorization.h"

using namespace std;
using namespace tinyxml2;
using namespace Authorization;

int main(int argc, char *argv[])
{

    CAuthorization userInfo;
    if (userInfo.Load ("impr1_auth.xml"))
    {
    for (const auto &User: userInfo.Data()._users)
    {
        cout << "Name: " << User._name << endl;
        cout << "Login: " << User._login << endl;
        cout << "Password: " << User._password << endl << endl;
    }

    }

    return 0;
}

// - бит 0=1 - viewer
   // - бит 1=1 - operator
   // - бит 2=1 - engineer
    // - бит 3=1 - installer