bool convert(int srcCodepage, int dstCodepage, const unsigned char * src, size_t * srcbytes, unsigned char * dest, size_t * destbytes)
{
bool bsucceeded;
#ifdef POCO_ARCH_BIG_ENDIAN
if (srcCodepage == ucr::CP_UCS2BE)
#else
if (srcCodepage == ucr::CP_UCS2LE)
#endif
{
size_t srcwchars = *srcbytes / sizeof(wchar_t);
bsucceeded = convertFromUnicode(dstCodepage, (const wchar_t *)src, &srcwchars, (char *)dest, destbytes);
*srcbytes = srcwchars * sizeof(wchar_t);
}
else
{
size_t wsize = *srcbytes * 2 + 6;
std::unique_ptr<wchar_t[]> pbuf(new wchar_t[wsize]);
bsucceeded = convertToUnicode(srcCodepage, (const char *)src, srcbytes, pbuf.get(), &wsize);
if (!bsucceeded)
{
*destbytes = 0;
return false;
}
bsucceeded = convertFromUnicode(dstCodepage, pbuf.get(), &wsize, (char *)dest, destbytes);
}
return bsucceeded;
}
/*!
\overload
\a s contains the string being tested for encode-ability.
*/
bool QTextCodec::canEncode(const QString& s) const
{
ConverterState state;
state.flags = ConvertInvalidToNull;
convertFromUnicode(s.constData(), s.length(), &state);
return (state.invalidChars == 0);
}
/*!
Returns true if the Unicode character \a ch can be fully encoded
with this codec; otherwise returns false.
*/
bool QTextCodec::canEncode(QChar ch) const
{
ConverterState state;
state.flags = ConvertInvalidToNull;
convertFromUnicode(&ch, 1, &state);
return (state.invalidChars == 0);
}
///////////////////////////////////////////////////////////
///////////////////////////////////////////////////////////
//
//
// Get data element as a string
//
//
///////////////////////////////////////////////////////////
///////////////////////////////////////////////////////////
std::string dataHandlerString::getString(const imbxUint32 index) const
{
PUNTOEXE_FUNCTION_START(L"dataHandlerString::getString");
charsetsList::tCharsetsList localCharsetsList(m_charsetsList);
return convertFromUnicode(getUnicodeString(index), &localCharsetsList);
PUNTOEXE_FUNCTION_END();
}
QByteArray QTextCodec::fromUnicode(const QString& uc, int& lenInOut) const
{
QByteArray result = convertFromUnicode(uc.constData(), lenInOut, 0);
lenInOut = result.length();
return result;
}
/*!
Converts \a str from Unicode to the encoding of this codec, and
returns the result in a QByteArray.
*/
QByteArray QTextCodec::fromUnicode(const QString& str) const
{
return convertFromUnicode(str.constData(), str.length(), 0);
}