?? iconvfbsdtransservice.cpp
字號:
void IconvFBSDTransService::lowerCase(XMLCh* const toLowerCase) const{ XMLCh* outPtr = toLowerCase; while (*outPtr) {#ifndef XML_USE_LIBICONV *outPtr = fbsd_towlower(*outPtr);#else /* XML_USE_LIBICONV */ *outPtr = toLower(*outPtr);#endif /* !XML_USE_LIBICONV */ outPtr++; }}// ---------------------------------------------------------------------------// IconvFBSDLCPTranscoder: The virtual transcoder API// ---------------------------------------------------------------------------unsigned intIconvFBSDLCPTranscoder::calcRequiredSize (const char* const srcText , MemoryManager* const manager){ if (!srcText) return 0;#ifndef XML_USE_LIBICONV unsigned int retVal = fbsd_mbstowcs(NULL, srcText, 0); if (retVal == ~0) return 0; return retVal;#else /* XML_USE_LIBICONV */ size_t len, srcLen; len = srcLen = strlen(srcText); if (len == 0) return 0; char tmpWideArr[gTempBuffArraySize]; size_t totalLen = 0; for (;;) { char *pTmpArr = tmpWideArr; const char *ptr = srcText + srcLen - len; size_t rc = iconvFrom(ptr, &len, &pTmpArr, gTempBuffArraySize); if (rc == (size_t) -1 && errno != E2BIG) { ThrowXMLwithMemMgr(TranscodingException, XMLExcepts::Trans_BadSrcSeq, manager); /* return 0; */ } rc = pTmpArr - (char *) tmpWideArr; totalLen += rc; if (rc == 0 || len == 0) break; } return totalLen / uChSize();#endif /* XML_USE_LIBICONV */}unsigned intIconvFBSDLCPTranscoder::calcRequiredSize(const XMLCh* const srcText , MemoryManager* const manager){ if (!srcText) return 0; unsigned int wLent = getWideCharLength(srcText); if (wLent == 0) return 0;#ifndef XML_USE_LIBICONV wchar_t tmpWideCharArr[gTempBuffArraySize]; wchar_t* allocatedArray = 0; wchar_t* wideCharBuf = 0; if (wLent >= gTempBuffArraySize) wideCharBuf = allocatedArray = (wchar_t*) manager->allocate ( (wLent + 1) * sizeof(wchar_t) );//new wchar_t[wLent + 1]; else wideCharBuf = tmpWideCharArr; for (unsigned int i = 0; i < wLent; i++) wideCharBuf[i] = srcText[i]; wideCharBuf[wLent] = 0x00; const unsigned int retVal = fbsd_wcstombs(NULL, wideCharBuf, 0); if (allocatedArray) manager->deallocate(allocatedArray);//delete [] allocatedArray; if (retVal == ~0) return 0; return retVal;#else /* XML_USE_LIBICONV */ 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;#endif /* !XML_USE_LIBICONV */}char* IconvFBSDLCPTranscoder::transcode(const XMLCh* const toTranscode){ if (!toTranscode) return 0; char* retVal = 0; if (*toTranscode) { unsigned int wLent = getWideCharLength(toTranscode);#ifndef XML_USE_LIBICONV wchar_t tmpWideCharArr[gTempBuffArraySize]; wchar_t* allocatedArray = 0; wchar_t* wideCharBuf = 0; if (wLent >= gTempBuffArraySize) wideCharBuf = allocatedArray = new wchar_t[wLent + 1]; else wideCharBuf = tmpWideCharArr; for (unsigned int i = 0; i < wLent; i++) wideCharBuf[i] = toTranscode[i]; wideCharBuf[wLent] = 0x00; // Calc the needed size. const size_t neededLen = fbsd_wcstombs(NULL, wideCharBuf, 0); if (neededLen == -1) { if (allocatedArray) delete [] allocatedArray; return 0; } retVal = new char[neededLen + 1]; fbsd_wcstombs(retVal, wideCharBuf, neededLen); if (allocatedArray) delete [] allocatedArray; retVal[neededLen] = 0;#else /* XML_USE_LIBICONV */ // Calc needed size. const size_t neededLen = calcRequiredSize (toTranscode); if (neededLen == 0) return 0; // allocate output buffer retVal = 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 = 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 tmpwLent = wLent; size_t rc = iconvTo(wideCharBuf, &tmpwLent, &ptr, neededLen); if (rc == (size_t)-1) { if (wBufPtr) delete [] wBufPtr; return 0; } if (wBufPtr) delete [] wBufPtr; retVal[neededLen] = 0;#endif /* !XML_USE_LIBICONV */ } else { retVal = new char[1]; if (retVal == NULL) return 0; retVal[0] = 0; } return retVal;}char* IconvFBSDLCPTranscoder::transcode(const XMLCh* const toTranscode, MemoryManager* const manager){ if (!toTranscode) return 0; char* retVal = 0; if (*toTranscode) { unsigned int wLent = getWideCharLength(toTranscode);#ifndef XML_USE_LIBICONV wchar_t tmpWideCharArr[gTempBuffArraySize]; wchar_t* allocatedArray = 0; wchar_t* wideCharBuf = 0; if (wLent >= gTempBuffArraySize) wideCharBuf = allocatedArray = (wchar_t*) manager->allocate ( (wLent + 1) * sizeof(wchar_t) );//new wchar_t[wLent + 1]; else wideCharBuf = tmpWideCharArr; for (unsigned int i = 0; i < wLent; i++) wideCharBuf[i] = toTranscode[i]; wideCharBuf[wLent] = 0x00; // Calc the needed size. const size_t neededLen = fbsd_wcstombs(NULL, wideCharBuf, 0); if (neededLen == -1) { if (allocatedArray) manager->deallocate(allocatedArray);//delete [] allocatedArray; return 0; } retVal = (char*) manager->allocate((neededLen + 1) * sizeof(char));//new char[neededLen + 1]; fbsd_wcstombs(retVal, wideCharBuf, neededLen); if (allocatedArray) manager->deallocate(allocatedArray);//delete [] allocatedArray; retVal[neededLen] = 0;#else /* XML_USE_LIBICONV */ // 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) { manager->deallocate(retVal); 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 tmpwLent = wLent; size_t rc = iconvTo(wideCharBuf, &tmpwLent, &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;#endif /* !XML_USE_LIBICONV */ } else { retVal = (char*) manager->allocate(sizeof(char));//new char[1]; if (retVal == NULL) return 0; retVal[0] = 0; } return retVal;}bool IconvFBSDLCPTranscoder::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;#ifndef XML_USE_LIBICONV wchar_t tmpWideCharArr[gTempBuffArraySize]; wchar_t* allocatedArray = 0; wchar_t* wideCharBuf = 0; if (maxBytes >= gTempBuffArraySize) wideCharBuf = allocatedArray = (wchar_t*) manager->allocate ( (maxBytes + 1) * sizeof(wchar_t) );//new wchar_t[maxBytes + 1]; else wideCharBuf = tmpWideCharArr; for (unsigned int i = 0; i < wLent; i++) wideCharBuf[i] = toTranscode[i]; wideCharBuf[wLent] = 0x00; // Ok, go ahead and try the transcoding. If it fails, then ... size_t mblen = fbsd_wcstombs(toFill, wideCharBuf, maxBytes); if (mblen == -1) { if (allocatedArray) manager->deallocate(allocatedArray);//delete [] allocatedArray; return false; } if (allocatedArray) manager->deallocate(allocatedArray);//delete [] allocatedArray; // Cap it off just in case toFill[mblen] = 0;#else /* XML_USE_LIBICONV */ // 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; *ptr = 0;#endif /* !XML_USE_LIBICONV */ return true;}XMLCh* IconvFBSDLCPTranscoder::transcode(const char* const toTranscode){ if (!toTranscode) return 0; XMLCh* retVal = 0; if (*toTranscode) { const unsigned int wLent = calcRequiredSize(toTranscode); if (wLent == 0) { retVal = new XMLCh[1]; retVal[0] = 0; return retVal; }#ifndef XML_USE_LIBICONV wchar_t tmpWideCharArr[gTempBuffArraySize]; wchar_t* allocatedArray = 0; wchar_t* wideCharBuf = 0;?? 快捷鍵說明
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