////////////////////////////////////////////////////////////////////////////
// Function: Load the document from memory encoded bytes.
////////////////////////////////////////////////////////////////////////////
HRESULT CXMLDocument::LoadFromMemory(PBYTE pData, ULONG ulLen)
{
// Create a stream and write the bytes to it
IStreamPtr pStream = NULL;
HRESULT hr = ::CreateStreamOnHGlobal(NULL, true/*fDeleteOnRelease*/, &pStream);
hr = CheckHR(hr, "load from memory");
ULONG ulWritten;
pStream->Write(pData, ulLen, &ulWritten);
// Reset the stream back to the beginning
LARGE_INTEGER li = {0, 0};
hr = pStream->Seek(li, STREAM_SEEK_SET, NULL);
hr = CheckHR(hr, "in load from memory seek");
// Now, load the document from the stream
IPersistStreamInitPtr pPSI = m_pDoc;
if (pPSI == NULL)
return E_FAIL;
hr = pPSI->Load(pStream);
hr = CheckHR(hr, "load from memory load");
hr = CheckLoad();
return hr;
}
STDMETHODIMP CPigMissionParams::GetData(IStream** ppstm)
{
// Initialize the [out] parameter
CLEAROUT(ppstm, (IStream*)NULL);
// Create a stream on global
IStreamPtr spstm;
RETURN_FAILED(CreateStreamOnHGlobal(NULL, true, &spstm));
// Write the size of the data structure to the stream
UINT cb = sizeof(m_mp);
RETURN_FAILED(spstm->Write(&cb, sizeof(cb), NULL));
// Write the data structure to the stream
RETURN_FAILED(spstm->Write(&m_mp, cb, NULL));
// Detach the interface to the [out] parameter
*ppstm = spstm.Detach();
// Indicate success
return S_OK;
}
/*----------------------------------------------------------------------------------------------
Save the text to a file.
----------------------------------------------------------------------------------------------*/
bool WpDa::SaveToFile(StrAnsi staFileName)
{
IStreamPtr qstrm;
FileStream::Create(staFileName.Chars(), kfstgmWrite | kfstgmCreate, &qstrm);
// FileStream::Create("c:\\output.txt", kfstgmWrite | kfstgmCreate, &qstrm);
ULONG cbWritten;
// Write byte-order mark.
byte b = 0xFF;
CheckHr(qstrm->Write(&b, 1, &cbWritten));
b = 0xFE;
CheckHr(qstrm->Write(&b, 1, &cbWritten));
int ctss;
CheckHr(get_VecSize(1, kflidStText_Paragraphs, &ctss));
for (int itss = 0; itss < ctss; itss++)
{
ITsStringPtr qtss;
CheckHr(get_StringProp(itss + 2, kflidStTxtPara_Contents, &qtss));
BSTR bstr = NULL;
int cchw;
CheckHr(qtss->get_Length(&cchw));
qtss->GetChars(0, cchw, &bstr);
// Write the string to the file.
if (cchw > 0)
{
Assert(bstr);
CheckHr(qstrm->Write(bstr, cchw * isizeof(wchar), &cbWritten));
}
if (itss < ctss - 1)
{
// CRLF--little-endian
b = 13;
CheckHr(qstrm->Write(&b, 1, &cbWritten));
b = 0;
CheckHr(qstrm->Write(&b, 1, &cbWritten));
b = 10;
CheckHr(qstrm->Write(&b, 1, &cbWritten));
b = 0;
CheckHr(qstrm->Write(&b, 1, &cbWritten));
}
ReleaseBstr(bstr);
}
return true;
}
