UConverter* ICUUnicodeSupport::_openConverter<2>(ConstStringHolder<2> _encoding)
{
UErrorCode errorCode = U_ZERO_ERROR;
UConverter* cnv = ucnv_openU( char_cast<const UChar*>( _encoding.c_str() ), &errorCode);
CHECK_ICU_ERROR_CODE(errorCode);
return cnv;
}
// ---------------------------------------------------------------------------
// ICUTransService: The protected virtual transcoding service API
// ---------------------------------------------------------------------------
XMLTranscoder* ICUTransService::
makeNewXMLTranscoder(const XMLCh* const encodingName
, XMLTransService::Codes& resValue
, const unsigned int blockSize
, MemoryManager* const manager)
{
//
// For encodings that end with "s390" we need to strip off the "s390"
// from the encoding name and add ",swaplfnl" to the encoding name
// that we pass into ICU on the ucnv_openU.
//
XMLCh* encodingNameToUse = (XMLCh*) encodingName;
XMLCh* workBuffer = 0;
if ( (XMLString::endsWith(encodingNameToUse, gs390Id)) ||
(XMLString::endsWith(encodingNameToUse, gS390Id)) )
{
int workBufferSize = (XMLString::stringLen(encodingNameToUse) + XMLString::stringLen(gswaplfnlId) - XMLString::stringLen(gS390Id) + 1);
workBuffer = (XMLCh*) manager->allocate(workBufferSize * sizeof(XMLCh));
int moveSize = XMLString::stringLen(encodingNameToUse) - XMLString::stringLen(gS390Id);
XMLString::moveChars(workBuffer, encodingNameToUse, moveSize);
XMLString::moveChars((workBuffer + moveSize), gswaplfnlId, XMLString::stringLen(gswaplfnlId));
encodingNameToUse = workBuffer;
}
//
// If UChar and XMLCh are not the same size, then we have premassage the
// encoding name into a UChar type string.
//
const UChar* actualName;
UChar* tmpName = 0;
if (sizeof(UChar) == sizeof(XMLCh))
{
actualName = (const UChar*)encodingNameToUse;
}
else
{
tmpName = convertToUChar(encodingNameToUse, 0, manager);
actualName = tmpName;
}
ArrayJanitor<UChar> janTmp(tmpName, manager);
ArrayJanitor<XMLCh> janTmp1(workBuffer, manager);
UErrorCode uerr = U_ZERO_ERROR;
UConverter* converter = ucnv_openU(actualName, &uerr);
if (!converter)
{
resValue = XMLTransService::UnsupportedEncoding;
return 0;
}
return new (manager) ICUTranscoder(encodingName, converter, blockSize, manager);
}
