// wchar_t to wchar_t conversion
void CharConvWW(charconv* Conv, wchar_t* Out, size_t OutLen, const wchar_t* In)
{
if (OutLen>0)
{
// assume wchar_t is 16 bits even if it's not true
charconv_osx *CC = (charconv_osx *)Conv;
if (CC)
{
CFStringRef TmpIn = CFStringCreateWithBytes(NULL, (const UInt8*)In, (utf16len((const uint16_t*)In)+1)*sizeof(uint16_t), CC->EncFrom, false);
assert(TmpIn);
CFIndex Read;
CFRange r;
r.location = 0;
r.length = CFStringGetLength(TmpIn);
CFStringGetBytes(TmpIn, r, CC->EncTo,
LOSSY_CHAR, /* no lossy conversion */
0, /* not external representation */
(UInt8*)Out, OutLen, &Read);
CFRelease(TmpIn);
memset((UInt8*)Out+Read,0,sizeof(uint16_t));
}
else
{
fprintf(stderr, "Not supported yet: %s with no CC\n", __FUNCTION__);
}
}
}
// utf16_t to char conversion
void CharConvSU(charconv* Conv, char* Out, size_t OutLen, const utf16_t* In)
{
if (OutLen>0)
{
// assume wchar_t is 16 bits even if it's not true
CFStringEncoding EncFrom,EncTo;
if (Conv)
{
EncFrom = ((charconv_osx *)Conv)->EncFrom;
EncTo = ((charconv_osx *)Conv)->EncTo;
}
else
{
EncFrom = kCFStringEncodingUTF16;
EncTo = kCFStringEncodingUTF8;
}
CFStringRef TmpIn = CFStringCreateWithBytes(NULL, (const UInt8*)In, (utf16len(In)+1)*sizeof(utf16_t), EncFrom, false);
CFIndex Read;
CFRange r;
r.location = 0;
r.length = CFStringGetLength(TmpIn);
CFStringGetBytes(TmpIn, r, EncTo,
LOSSY_CHAR, /* no lossy conversion */
0, /* not external representation */
(UInt8*)Out, OutLen, &Read);
CFRelease(TmpIn);
Out[Read]=0;
}
}
void CharConvSU(charconv* CC, char* Out, size_t OutLen, const utf16_t* In)
{
if (OutLen>0)
{
ICONV_CONST char* _In = (ICONV_CONST char*)In;
size_t _InLen = utf16len(In)+1;
char* _Out = Out;
size_t _OutLen = OutLen;
if (!CC || !_InLen || iconv((iconv_t)CC, &_In, &_InLen, &_Out, &_OutLen) == -1 ||
iconv((iconv_t)CC, NULL, NULL, &_Out, &_OutLen) == -1)
{
for (;OutLen>1 && *In;++In,--OutLen,++Out)
*Out = (char)(*In>255?'*':*In);
*Out = 0;
if (CC && _InLen) iconv((iconv_t)CC, NULL, NULL, NULL, NULL); // reset state
}
else
*_Out=0;
}
}
utf16 *utf16ncpy(utf16 *dest, const utf16 *src, size_t n)
{
memcpy(dest, src, sizeof(utf16) * std::min(utf16len(src, n), n));
return dest;
}
utf16 *utf16cpy(utf16 *dest, const utf16 *src)
{
size_t srcsize = utf16len(src);
memcpy(dest, src, sizeof(utf16) * srcsize);
return dest;
}
