util.h

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#pragma once
 
#include <fstream>
#include <iostream>
#include <string>
 
namespace helper
{
namespace util
{
std::string wstrTostr(const std::wstring& in);
 
std::wstring strTowstr(const std::string& in);
 
void getline(std::ifstream& file, std::string& out);
 
template <typename To, typename From> To safe_dynamic_cast(From src) noexcept
{
    To to{nullptr};
    try
    {
        to = dynamic_cast<To>(src);
    }
    catch (...)
    {
        to = nullptr;
    }
 
    if (to == nullptr)
    {
        std::cout << "Fatal Error: dynamic cast failed" << std::endl;
        std::terminate();
    }
    return to;
}
 
} // namespace util
} // namespace helper