char* IconvGNULCPTranscoder::transcode(const XMLCh* const toTranscode,
MemoryManager* const manager)
{
if (!toTranscode)
return 0;
char* retVal = 0;
if (*toTranscode) {
unsigned int wLent = getWideCharLength(toTranscode);
// Calc needed size.
const size_t neededLen = calcRequiredSize (toTranscode, manager);
if (neededLen == 0)
return 0;
// allocate output buffer
retVal = (char*) manager->allocate((neededLen + 1) * sizeof(char));//new char[neededLen + 1];
if (retVal == NULL)
return 0;
// prepare the original
char tmpWBuff[gTempBuffArraySize];
char *wideCharBuf = 0;
char *wBufPtr = 0;
size_t len = wLent * uChSize();
if (uChSize() != sizeof(XMLCh) || UBO() != BYTE_ORDER) {
if (len > gTempBuffArraySize) {
wBufPtr = (char*) manager->allocate(len * sizeof(char));//new char[len];
if (wBufPtr == NULL)
return 0;
wideCharBuf = wBufPtr;
} else
wideCharBuf = tmpWBuff;
xmlToMbs (toTranscode, wLent, wideCharBuf, wLent);
} else
wideCharBuf = (char *) toTranscode;
// perform conversion
wLent *= uChSize();
char *ptr = retVal;
size_t rc = iconvTo(wideCharBuf, (size_t *) &wLent, &ptr, neededLen);
if (rc == (size_t)-1) {
if (wBufPtr)
manager->deallocate(wBufPtr);//delete [] wBufPtr;
return 0;
}
if (wBufPtr)
manager->deallocate(wBufPtr);//delete [] wBufPtr;
retVal[neededLen] = 0;
} else {
retVal = (char*) manager->allocate(sizeof(char));//new char[1];
if (retVal == NULL)
return 0;
retVal[0] = 0;
}
return retVal;
}
bool IconvGNULCPTranscoder::transcode( const XMLCh* const toTranscode
, char* const toFill
, const unsigned int maxBytes
, MemoryManager* const manager)
{
// Watch for a couple of pyscho corner cases
if (!toTranscode || !maxBytes) {
toFill[0] = 0;
return true;
}
if (!*toTranscode) {
toFill[0] = 0;
return true;
}
unsigned int wLent = getWideCharLength(toTranscode);
if (wLent > maxBytes)
wLent = maxBytes;
// Fill the "unicode" string
char tmpWBuff[gTempBuffArraySize];
char *wideCharBuf = 0;
char *wBufPtr = 0;
size_t len = wLent * uChSize();
if (uChSize() != sizeof(XMLCh) || UBO() != BYTE_ORDER) {
if (len > gTempBuffArraySize) {
wBufPtr = (char*) manager->allocate
(
len * sizeof(char)
);//new char[len];
if (wBufPtr == NULL)
return 0;
wideCharBuf = wBufPtr;
} else
wideCharBuf = tmpWBuff;
xmlToMbs (toTranscode, wLent, wideCharBuf, wLent);
} else
wideCharBuf = (char *) toTranscode;
// Ok, go ahead and try the transcoding. If it fails, then ...
char *ptr = toFill;
size_t rc = iconvTo(wideCharBuf, &len, &ptr, maxBytes);
if (rc == (size_t)-1) {
if (wBufPtr)
manager->deallocate(wBufPtr);//delete [] wBufPtr;
return false;
}
if (wBufPtr)
manager->deallocate(wBufPtr);//delete [] wBufPtr;
// Cap it off
*ptr = 0;
return true;
}
char* IconvGNULCPTranscoder::transcode(const XMLCh* const toTranscode,
MemoryManager* const manager)
{
if (!toTranscode)
return 0;
char* retVal = 0;
if (!*toTranscode) {
retVal = (char*) manager->allocate(sizeof(char));//new char[1];
retVal[0] = 0;
return retVal;
}
XMLSize_t wLent = getWideCharLength(toTranscode);
// Calc needed size.
XMLSize_t neededLen = calcRequiredSize (toTranscode, manager);
if (neededLen == 0)
return 0;
// allocate output buffer
retVal = (char*) manager->allocate((neededLen + 1) * sizeof(char));//new char[neededLen + 1];
// prepare the original
char tmpWBuff[gTempBuffArraySize];
char *wideCharBuf = 0;
char *wBufPtr = 0;
ArrayJanitor<char> janBuf(wBufPtr, manager);
size_t len = wLent * uChSize();
if (uChSize() != sizeof(XMLCh) || UBO() != BYTE_ORDER) {
if (len > gTempBuffArraySize) {
wBufPtr = (char*) manager->allocate(len * sizeof(char));//new char[len];
janBuf.reset(wBufPtr, manager);
wideCharBuf = wBufPtr;
} else
wideCharBuf = tmpWBuff;
xmlToMbs (toTranscode, wideCharBuf, wLent);
} else
wideCharBuf = (char *) toTranscode;
// perform conversion
char* ptr = retVal;
size_t rc;
{
XMLMutexLock lockConverter(&fMutex);
rc = iconvTo(wideCharBuf, &len, &ptr, neededLen);
}
if (rc == (size_t)-1) {
return 0;
}
retVal[neededLen] = 0;
return retVal;
}
unsigned int
IconvGNULCPTranscoder::calcRequiredSize(const XMLCh* const srcText
, MemoryManager* const manager)
{
if (!srcText)
return 0;
unsigned int wLent = getWideCharLength(srcText);
if (wLent == 0)
return 0;
char tmpWBuff[gTempBuffArraySize];
char *wBuf = 0;
char *wBufPtr = 0;
size_t len = wLent * uChSize();
if (uChSize() != sizeof(XMLCh) || UBO() != BYTE_ORDER) {
if (len > gTempBuffArraySize) {
wBufPtr = (char*) manager->allocate
(
len * sizeof(char)
);//new char[len];
if (wBufPtr == NULL)
return 0;
wBuf = wBufPtr;
} else
wBuf = tmpWBuff;
xmlToMbs (srcText, wLent, wBuf, wLent);
} else
wBuf = (char *) srcText;
char tmpBuff[gTempBuffArraySize];
size_t totalLen = 0;
char *srcEnd = wBuf + wLent * uChSize();
for (;;) {
char *pTmpArr = tmpBuff;
const char *ptr = srcEnd - len;
size_t rc = iconvTo(ptr, &len, &pTmpArr, gTempBuffArraySize);
if (rc == (size_t) -1 && errno != E2BIG) {
if (wBufPtr)
manager->deallocate(wBufPtr);//delete [] wBufPtr;
ThrowXMLwithMemMgr(TranscodingException, XMLExcepts::Trans_BadSrcSeq, manager);
/* return 0; */
}
rc = pTmpArr - tmpBuff;
totalLen += rc;
if (rc == 0 || len == 0)
break;
}
if (wBufPtr)
manager->deallocate(wBufPtr);//delete [] wBufPtr;
return totalLen;
}
unsigned int IconvGNUTranscoder::transcodeTo
(
const XMLCh* const srcData
, const unsigned int srcCount
, XMLByte* const toFill
, const unsigned int maxBytes
, unsigned int& charsEaten
, const UnRepOpts options )
{
// Transcode FROM XMLCh
char tmpWBuff[gTempBuffArraySize];
char *startSrc = tmpWBuff;
char *wBufPtr = 0;
size_t len = srcCount * uChSize();
if (uChSize() != sizeof(XMLCh) || UBO() != BYTE_ORDER) {
if (len > gTempBuffArraySize) {
wBufPtr = (char*) getMemoryManager()->allocate
(
len * sizeof(char)
);//new char[len];
if (wBufPtr == NULL)
return 0;
startSrc = wBufPtr;
} else
startSrc = tmpWBuff;
xmlToMbs (srcData, srcCount, startSrc, srcCount);
} else
startSrc = (char *) srcData;
char* startTarget = (char *) toFill;
size_t srcLen = len;
size_t rc = iconvTo (startSrc, &srcLen, &startTarget, maxBytes);
if (rc == (size_t)-1 && errno != E2BIG) {
if (wBufPtr)
getMemoryManager()->deallocate(wBufPtr);//delete [] wBufPtr;
ThrowXMLwithMemMgr(TranscodingException, XMLExcepts::Trans_BadSrcSeq, getMemoryManager());
}
charsEaten = srcCount - srcLen / uChSize();
if (wBufPtr)
getMemoryManager()->deallocate(wBufPtr);//delete [] wBufPtr;
return startTarget - (char *)toFill;
}
XMLSize_t IconvGNUTranscoder::transcodeTo
(
const XMLCh* const srcData
, const XMLSize_t srcCount
, XMLByte* const toFill
, const XMLSize_t maxBytes
, XMLSize_t& charsEaten
, const UnRepOpts /*options*/ )
{
// Transcode FROM XMLCh
char tmpWBuff[gTempBuffArraySize];
char *startSrc = tmpWBuff;
char *wBufPtr = 0;
ArrayJanitor<char> janBuf(wBufPtr, getMemoryManager());
size_t len = srcCount * uChSize();
if (uChSize() != sizeof(XMLCh) || UBO() != BYTE_ORDER) {
if (len > gTempBuffArraySize) {
wBufPtr = (char*) getMemoryManager()->allocate(len * sizeof(char));//new char[len];
janBuf.reset(wBufPtr, getMemoryManager());
startSrc = wBufPtr;
} else
startSrc = tmpWBuff;
xmlToMbs (srcData, startSrc, srcCount);
} else
startSrc = (char *) srcData;
char* startTarget = (char *) toFill;
size_t srcLen = len;
size_t rc;
{
XMLMutexLock lockConverter(&fMutex);
rc = iconvTo (startSrc, &srcLen, &startTarget, maxBytes);
}
if (rc == (size_t)-1 && errno != E2BIG) {
ThrowXMLwithMemMgr(TranscodingException, XMLExcepts::Trans_BadSrcSeq, getMemoryManager());
}
charsEaten = srcCount - srcLen / uChSize();
return startTarget - (char *)toFill;
}