metaforce/hecl/lib/WideStringConvert.cpp

50 lines
1.2 KiB
C++

#include "HECL/HECL.hpp"
namespace HECL
{
std::string WideToUTF8(const std::wstring& src)
{
#if _WIN32
int len = WideCharToMultiByte(CP_UTF8, 0, src.c_str(), src.size(), nullptr, 0, nullptr, nullptr);
std::string retval(len, '\0');
WideCharToMultiByte(CP_UTF8, 0, src.c_str(), src.size(), &retval[0], len, nullptr, nullptr);
return retval;
#else
std::string retval;
retval.reserve(src.length());
std::mbstate_t state = {};
for (wchar_t ch : src)
{
char mb[MB_LEN_MAX];
int c = std::wcrtomb(mb, ch, &state);
retval.append(mb, c);
}
return retval;
#endif
}
std::wstring UTF8ToWide(const std::string& src)
{
#if _WIN32
int len = MultiByteToWideChar(CP_UTF8, 0, src.c_str(), src.size(), nullptr, 0);
std::wstring retval(len, L'\0');
MultiByteToWideChar(CP_UTF8, 0, src.c_str(), src.size(), &retval[0], len);
return retval;
#else
std::wstring retval;
retval.reserve(src.length());
const char* buf = src.c_str();
std::mbstate_t state = {};
while (*buf)
{
wchar_t wc;
buf += std::mbrtowc(&wc, buf, MB_LEN_MAX, &state);
retval += wc;
}
return retval;
#endif
}
}