Unicode.cpp

#include "Unicode.h"
 
#ifdef _WIN32
 
#include <Windows.h>
 
std::string Cogs::narrow(std::wstring_view str)
{
  if (str.empty()) {
    return std::string();
  }
 
  int length = static_cast<int>(str.size());
  int         size = WideCharToMultiByte(CP_UTF8, 0, str.data(), length, nullptr, 0, nullptr, nullptr);
  std::string ret(size, 0);
 
  WideCharToMultiByte(CP_UTF8, 0, str.data(), length, ret.data(), size, nullptr, nullptr);
  return ret;
}
 
std::wstring Cogs::widen(const std::string_view str)
{
  if (str.empty()) {
    return std::wstring();
  }
 
  int length = static_cast<int>(str.size());
  int           size = MultiByteToWideChar(CP_UTF8, 0, str.data(), length, nullptr, 0);
  std::wstring  ret(size, 0);
 
  MultiByteToWideChar(CP_UTF8, 0, str.data(), length, ret.data(), size);
  return ret;
}
 
#endif