BOOL CADORecordset::GetChunk(FieldPtr pField, CString& strValue)
{
CString str;
long lngSize, lngOffSet = 0;
_variant_t varChunk;
lngSize = pField->ActualSize; //Á㤶È
str.Empty();
while(lngOffSet < lngSize)
{
try
{
varChunk = pField->GetChunk(ChunkSize);
str += varChunk.bstrVal;
lngOffSet += ChunkSize;
}
catch(_com_error &e)
{
dump_com_error(e);
return FALSE;
}
}
lngOffSet = 0;
strValue = str;
return TRUE;
}
int CDialerChannel::PlayBlob(int nChan, FieldPtr xPlyBlob, BOOL bTermDtmf)
{
SsmSetDtmfStopPlay( nChan, bTermDtmf );
SsmClearRxDtmfBuf( nChan );
LONG lDataSize = xPlyBlob->ActualSize;
if ( lDataSize <= 0 ) return SsmPutUserEvent( E_PROC_PlayEnd, nChan, 0 );
_variant_t TheValue = xPlyBlob->GetChunk(lDataSize);
LPTSTR *pBuf = NULL;
SafeArrayAccessData(TheValue.parray, (void **)&pBuf);
this->SetBuffer( pBuf, lDataSize );
SafeArrayUnaccessData( TheValue.parray );
if ( SsmPlayMem( nChan, 6, (LPBYTE)BufferPtr, BufferSize, 0, BufferSize - 1 ) )
return SsmPutUserEvent( E_PROC_PlayEnd, nChan, 0 );
return 0;
}
BOOL CADORecordset::GetChunk(FieldPtr pField, LPVOID lpData)
{
long lngSize, lngOffSet = 0;
_variant_t varChunk;
UCHAR chData;
HRESULT hr;
long lBytesCopied = 0;
lngSize = pField->ActualSize;
while(lngOffSet < lngSize)
{
try
{
varChunk = pField->GetChunk(ChunkSize);
//Copy the data only upto the Actual Size of Field.
for(long lIndex = 0; lIndex <= (ChunkSize - 1); lIndex++)
{
hr= SafeArrayGetElement(varChunk.parray, &lIndex, &chData);
if(SUCCEEDED(hr))
{
//Take BYTE by BYTE and advance Memory Location
//hr = SafeArrayPutElement((SAFEARRAY FAR*)lpData, &lBytesCopied ,&chData);
((UCHAR*)lpData)[lBytesCopied] = chData;
lBytesCopied++;
}
else
break;
}
lngOffSet += ChunkSize;
}
catch(_com_error &e)
{
dump_com_error(e);
return FALSE;
}
}
lngOffSet = 0;
return TRUE;
}
//读Buffer
bool CRsDupRgn::LoadBufferField(CBaseDBEntity *pGoods, const char* szFiledName, _RecordsetPtr &rs)
{
if(pGoods == NULL) return false;
try
{
if(rs->GetadoEOF())
{
ReleaseRs(rs);
return false;
}
long lSize=0;
FieldsPtr fldPtr = rs->GetFields();
FieldPtr itemPtr = fldPtr->GetItem(szFiledName);
lSize = itemPtr->ActualSize;
if(lSize > 0)
{
_variant_t varBLOB;
varBLOB = itemPtr->GetChunk(lSize);
BYTE *pBuf=NULL;
SafeArrayAccessData(varBLOB.parray,(void**)&pBuf);
SafeArrayUnaccessData(varBLOB.parray);
// 清空SKILL
CEntityProperty* ep = pGoods->GetDataEntityManager().GetEntityProperty(string(szFiledName));
if(ep)
ep->SetBufAttr(0, pBuf, lSize);
}
}
catch(_com_error e)
{
PrintErr(CStringReading::LoadString(IDS_DBS_RSDUPRGN,STR_DBS_DUPRGN_LOADRGNOBJERR), e);
return false;
}
return true;
}