XMLByte* Base64::decodeToXMLByte(const XMLCh* const inputData
, XMLSize_t* decodedLen
, MemoryManager* const memMgr
, Conformance conform )
{
if (!inputData || !*inputData)
return 0;
/***
* Move input data to a XMLByte buffer
*/
XMLSize_t srcLen = XMLString::stringLen(inputData);
XMLByte *dataInByte = (XMLByte*) getExternalMemory(memMgr, (srcLen+1) * sizeof(XMLByte));
ArrayJanitor<XMLByte> janFill(dataInByte, memMgr ? memMgr : XMLPlatformUtils::fgMemoryManager);
for (XMLSize_t i = 0; i < srcLen; i++)
dataInByte[i] = (XMLByte)inputData[i];
dataInByte[srcLen] = 0;
/***
* Forward to the actual decoding method to do the decoding
*/
*decodedLen = 0;
return decode(dataInByte, decodedLen, memMgr, conform);
}
XMLCh* HexBin::decode(const XMLCh* const hexData
, MemoryManager* const manager)
{
if (( hexData == 0 ) || ( *hexData == 0 )) // zero length
return 0;
int strLen = XMLString::stringLen(hexData);
if ( strLen%2 != 0 )
return 0;
if ( !isInitialized )
init();
//prepare the return string
int decodeLength = strLen/2;
XMLCh *retVal = (XMLCh*) manager->allocate( (decodeLength + 1) * sizeof(XMLCh));
ArrayJanitor<XMLCh> janFill(retVal, manager);
XMLByte temp1, temp2;
for( int i = 0; i<decodeLength; i++ ) {
temp1 = hexNumberTable[hexData[i*2]];
if (temp1 == (XMLByte) -1)
return 0;
temp2 = hexNumberTable[hexData[i*2+1]];
if (temp2 == (XMLByte) -1)
return 0;
retVal[i] = (XMLCh)((temp1 << 4) | temp2);
}
janFill.release();
retVal[decodeLength] = 0;
return retVal;
}
/***
* E2-54
*
* Canonical-base64Binary ::= (B64 B64 B64 B64)*((B64 B64 B16 '=')|(B64 B04 '=='))?
* B04 ::= [AQgw]
* B16 ::= [AEIMQUYcgkosw048]
* B64 ::= [A-Za-z0-9+/]
*
***/
XMLCh* Base64::getCanonicalRepresentation(const XMLCh* const inputData
, MemoryManager* const memMgr
, Conformance conform)
{
if (!inputData || !*inputData)
return 0;
/***
* Move input data to a XMLByte buffer
*/
XMLSize_t srcLen = XMLString::stringLen(inputData);
XMLByte *dataInByte = (XMLByte*) getExternalMemory(memMgr, (srcLen+1) * sizeof(XMLByte));
ArrayJanitor<XMLByte> janFill(dataInByte, memMgr ? memMgr : XMLPlatformUtils::fgMemoryManager);
for (XMLSize_t i = 0; i < srcLen; i++)
dataInByte[i] = (XMLByte)inputData[i];
dataInByte[srcLen] = 0;
/***
* Forward to the actual decoding method to do the decoding
*/
XMLSize_t decodedLength = 0;
XMLByte* canRepInByte = 0;
XMLByte* retStr = decode(
dataInByte
, &decodedLength
, canRepInByte
, memMgr
, conform);
if (!retStr)
return 0;
/***
* Move canonical representation to a XMLCh buffer to return
*/
XMLSize_t canRepLen = XMLString::stringLen((char*)canRepInByte);
XMLCh *canRepData = (XMLCh*) getExternalMemory(memMgr, (canRepLen + 1) * sizeof(XMLCh));
for (XMLSize_t j = 0; j < canRepLen; j++)
canRepData[j] = (XMLCh)canRepInByte[j];
canRepData[canRepLen] = 0;
/***
* Release the memory allocated in the actual decoding method
*/
returnExternalMemory(memMgr, retStr);
returnExternalMemory(memMgr, canRepInByte);
return canRepData;
}
XMLCh* Base64::decode(const XMLCh* const inputData
, unsigned int* decodedLen
, MemoryManager* const memMgr
, Conformance conform )
{
if (!inputData)
return 0;
/***
* Move input data to a XMLByte buffer
*/
unsigned int srcLen = XMLString::stringLen(inputData);
XMLByte *dataInByte = (XMLByte*) getExternalMemory(memMgr, (srcLen+1) * sizeof(XMLByte));
ArrayJanitor<XMLByte> janFill(dataInByte, memMgr ? memMgr : XMLPlatformUtils::fgMemoryManager);
for (unsigned int i = 0; i < srcLen; i++)
dataInByte[i] = (XMLByte)inputData[i];
dataInByte[srcLen] = 0;
/***
* Forward to the actual decoding method to do the decoding
*/
*decodedLen = 0;
XMLByte *DecodedBuf = decode(dataInByte, decodedLen, memMgr, conform);
if (!DecodedBuf)
return 0;
/***
* Move decoded data to a XMLCh buffer to return
*/
XMLCh *toRet = (XMLCh*) getExternalMemory(memMgr, (*decodedLen+1) * sizeof(XMLCh));
for (unsigned int j = 0; j < *decodedLen; j++)
toRet[j] = (XMLCh)DecodedBuf[j];
toRet[*decodedLen] = 0;
/***
* Release the memory allocated in the actual decoding method
*/
returnExternalMemory(memMgr, DecodedBuf);
return toRet;
}
