awe

awe.cpp

//
//  main.cpp
//  test
//
//  Created by Slava Melanko on 12/17/18.
//  Copyright © 2018 Slava Melanko. All rights reserved.
//

#include <algorithm>
#include <iostream>
#include <list>
#include <map>
#include <set>
#include <string>
#include <vector>
#include <unordered_map>

struct Info
{
public:
    virtual ~Info() noexcept = default;
};

struct HardwareUnit
{
public:
    virtual ~HardwareUnit() noexcept = default;
    virtual std::unique_ptr<Info> Scan() const = 0;
};

struct CpuInfo : public Info
{
    std::string _name;
    int _cores;
};

struct CpuHardwareUnit : public HardwareUnit
{
public:
    std::unique_ptr<Info> Scan() const override
    {
        std::unique_ptr<Info> info = std::make_unique<CpuInfo>();
        auto cpuInfo = reinterpret_cast<CpuInfo*>(info.get());
        cpuInfo->_name = "CPU";
        cpuInfo->_cores = 4;

        return info;
    }
};

struct RamInfo : public Info
{
    struct Slot
    {
        uint32_t _total;
    };
    std::vector<Slot> _data;
};

struct RamHardwareUnit : public HardwareUnit
{
public:
    std::unique_ptr<Info> Scan() const override
    {
        std::unique_ptr<Info> info = std::make_unique<RamInfo>();
        auto ramInfo = reinterpret_cast<RamInfo*>(info.get());
        ramInfo->_data.push_back({ 1024 });
        ramInfo->_data.push_back({ 1024 });

        return info;
    }
};

int main(int argc, const char* argv[])
{
    CpuHardwareUnit cpu;
    auto info = cpu.Scan();
    auto cpuInfo = reinterpret_cast<CpuInfo*>(info.get());
    std::cout << cpuInfo->_name << ": " << cpuInfo->_cores << " cores\n";

    RamHardwareUnit ram;
    info = ram.Scan();
    auto ramInfo = reinterpret_cast<RamInfo*>(info.get());
    std::cout << "RAM: " << ramInfo->_data[0]._total + ramInfo->_data[1]._total << '\n';

    return 0;
}