util.hpp

#ifndef UTIL_H
#define UTIL_H

#include <nan.h>
#include <string>
#include <cstring>
#include <windows.h>

inline std::string Utf8Encode(const std::wstring &wstr)
{
    if (wstr.empty())
        return std::string();
    int size_needed = WideCharToMultiByte(CP_UTF8, 0, &wstr[0], (int)wstr.size(), NULL, 0, NULL, NULL);
    std::string strTo(size_needed, 0);
    WideCharToMultiByte(CP_UTF8, 0, &wstr[0], (int)wstr.size(), &strTo[0], size_needed, NULL, NULL);
    return strTo;
}

inline std::wstring Utf8Decode(const std::string &str)
{
    if (str.empty())
        return std::wstring();
    int size_needed = MultiByteToWideChar(CP_UTF8, 0, &str[0], (int)str.size(), NULL, 0);
    std::wstring wstrTo(size_needed, 0);
    MultiByteToWideChar(CP_UTF8, 0, &str[0], (int)str.size(), &wstrTo[0], size_needed);
    return wstrTo;
}

#endif