int UTF16stoUTF8s(mem16_ptr_t utf16, mem64_t utf16_len, mem8_ptr_t utf8, mem64_t utf8_len)
{
cellL10n.Warning("UTF16stoUTF8s(utf16_addr=0x%x, utf16_len_addr=0x%x, utf8_addr=0x%x, utf8_len_addr=0x%x)",
utf16.GetAddr(), utf16_len.GetAddr(), utf8.GetAddr(), utf8_len.GetAddr());
if (!utf16.IsGood() || !utf16_len.IsGood() || !utf8_len.IsGood())
return SRCIllegal;
std::u16string wstr =(char16_t*)Memory.VirtualToRealAddr(utf16);
wstr.resize(utf16_len.GetValue()); // TODO: Is this really the role of utf16_len in this function?
#ifdef _MSC_VER
std::wstring_convert<std::codecvt_utf8_utf16<char16_t>,char16_t> convert;
std::string str = convert.to_bytes(wstr);
if (!utf8.IsGood() || utf8_len.GetValue() < str.size())
{
utf8_len = str.size();
return DSTExhausted;
}
utf8_len = str.size();
Memory.WriteString(utf8, str.c_str());
#endif
return ConversionOK;
}
int UTF16stoUTF8s(mem16_ptr_t utf16, mem64_t utf16_len, mem8_ptr_t utf8, mem64_t utf8_len)
{
cellL10n.Warning("UTF16stoUTF8s(utf16_addr=0x%x, utf16_len_addr=0x%x, utf8_addr=0x%x, utf8_len_addr=0x%x)",
utf16.GetAddr(), utf16_len.GetAddr(), utf8.GetAddr(), utf8_len.GetAddr());
if (!utf16.IsGood() || !utf16_len.IsGood() || !utf8_len.IsGood())
return SRCIllegal;
std::wstring wstr = (wchar_t*)Memory.VirtualToRealAddr(utf16);
std::string str;
int len = min((int)utf16_len.GetValue(), (int)wstr.size());
int size = (int)WideCharToMultiByte(CP_UTF8, 0, wstr.c_str(), len, 0, 0, NULL, NULL);
if (!utf8.IsGood())
utf8_len = size;
if (utf8_len.GetValue() < size)
return DSTExhausted;
#ifdef WIN32
WideCharToMultiByte(CP_UTF8, 0, wstr.c_str(), len, &str[0], size, NULL, NULL);
#else
// TODO
#endif
Memory.WriteString(utf8, str);
return ConversionOK;
}