/* -----------------------------------------------------------------------
Used to pass CORBA-like object into a MRPT object.
See doc about "Integration with BABEL".
----------------------------------------------------------------------- */
void utils::StringToObject(const std::string &str, CSerializablePtr &obj)
{
MRPT_START
obj.clear_unique();
if (str.empty()) return;
CMemoryStream tmp;
size_t n;
size_t i,lastIdx;
obj.clear_unique();
n = str.size();
// Scan the string to decode it:
// ----------------------------------
lastIdx = 0;
const char *data = str.c_str();
unsigned char c;
for (i=0;i<n && (c=data[i])!=0;i++)
{
// Search for first "0x01" byte:
if ( c == 0x01 )
{
// Copy all till now:
tmp.WriteBuffer( &data[lastIdx], i - lastIdx + 1 );
i+=1; // +1 from "for" loop
lastIdx = i+1;
// And decode:
// 0x01 0x01 --> 0x01
// 0x01 0x02 --> 0x00
if (data[i]==0x01)
((unsigned char*)tmp.getRawBufferData())[tmp.getTotalBytesCount()-1] = (unsigned char)0x01;
else ((unsigned char*)tmp.getRawBufferData())[tmp.getTotalBytesCount()-1] = (unsigned char)0x00;
}
} // end for i
// Copy the rest:
if ( (n-lastIdx) > 0)
tmp.WriteBuffer( &data[lastIdx], n - lastIdx );
// And the '\0' char:
char dummy = '\0';
tmp.WriteBuffer( &dummy, sizeof(char) );
tmp.Seek(0,CStream::sFromBeginning);
obj = tmp.ReadObject();
MRPT_END
}
vector<CHttpClientResponse*> GZipUnZipTcpStream(unsigned char* pszData, unsigned int nLen)
{
vector<CHttpClientResponse*> ret;
int nPackSize = 0;
int nDelta = 0;//目前读取的长度
while (nDelta + 4 < nLen)
{
//读取头长度
unsigned char chPackSizes[4] = {0};
memcpy(chPackSizes, pszData, 4);
pszData += 4;
nDelta += 4;
//获取头长度
nPackSize = *((int*)&chPackSizes[0]);
if (nLen - nDelta < nPackSize)
{
break;;
}
unsigned char* pszBuffer = new unsigned char[nPackSize];
memset(pszBuffer, 0, nPackSize);
memcpy(pszBuffer, pszData, nPackSize);
pszData += nPackSize;
nDelta += nPackSize;
int nLen = 0;
unsigned char* pszOut = NULL;
if (pszBuffer[0] == 0x1f && pszBuffer[1] == 0x8b && pszBuffer[2] == 0x08 && pszBuffer[3] == 0x00)
{
unsigned char* pszOut;
int nLen = ZipUtils::ccInflateMemory((unsigned char*)pszBuffer, nPackSize, (unsigned char**)&pszOut);
if (nLen > 0)
{
CHttpClientResponse* pResp = new CHttpClientResponse();
CMemoryStream* pMem = new CMemoryStream();
pResp->SetTarget(pMem);
pMem->WriteBuffer((char*)pszOut, nLen);
ret.push_back(pResp);
delete []pszOut;
}
}
else
{
CHttpClientResponse* pResp = new CHttpClientResponse();
CMemoryStream* pMem = new CMemoryStream();
pResp->SetTarget(pMem);
pMem->WriteBuffer((char*)pszBuffer, nPackSize);
ret.push_back(pResp);
}
delete []pszBuffer;
}
return ret;
}
