#include <iostream>
#include <iomanip>
#include <sstream>
#include <string>
#include <cwchar>
static const unsigned int CP_ACP = 0;
int WideCharToMultiByte(
unsigned int CodePage,
unsigned long dwFlags,
const wchar_t* lpWideCharStr,
int cchWideChar,
char* lpMultiByteStr,
int cbMultiByte,
char* lpDefaultChar,
bool* lpUsedDefaultChar
)
{
if (cchWideChar == -1)
cchWideChar = static_cast<int>(std::wcslen(lpWideCharStr) + 1);
if (cbMultiByte == 0)
return cchWideChar + 1;
if (cbMultiByte < cchWideChar)
cchWideChar = cbMultiByte;
std::copy(lpWideCharStr, lpWideCharStr + cchWideChar, lpMultiByteStr);
return cchWideChar;
}
void OutputDebugStringA(const char *str)
{
std::cout << str << std::endl;
}
std::ostream& operator<<(std::ostream &os, const std::wstring &wstr)
{
int len = WideCharToMultiByte(CP_ACP, 0, wstr.c_str(), wstr.size(), nullptr, 0, nullptr, nullptr);
if (len > 0) {
std::string str;
str.resize(len);
WideCharToMultiByte(CP_ACP, 0, wstr.c_str(), wstr.size(), str.data(), len, nullptr, nullptr);
os << str;
}
return os;
}
template <typename Arg, typename... Args>
void doPrint(Arg&& arg, Args&&... args)
{
std::stringstream out;
out << std::forward<Arg>(arg);
using expander = int[];
(void)expander {
0, (void(out << std::left << std::setw(20) << std::forward<Args>(args)), 0)...
};
OutputDebugStringA(out.str().c_str());
}
int main()
{
std::wstring color = L"blue";
doPrint("color: ", color);
}
