144 lines
4 KiB
C++
144 lines
4 KiB
C++
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//+--------------------------------------------------------------
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//
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// Microsoft Windows
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// Copyright (C) Microsoft Corporation, 1992 - 1992.
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//
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// File: pdffuncs.cxx
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//
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// Contents: PDocFile static member functions
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//
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// History: 22-Jun-92 DrewB Created
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//
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//---------------------------------------------------------------
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#include <dfhead.cxx>
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#pragma hdrstop
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#include <tstream.hxx>
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//+---------------------------------------------------------------------------
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//
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// Member: PDocFile::CreateFromUpdate, public
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//
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// Synopsis: Creates an object from an update list entry
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//
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// Arguments: [pud] - Update entry
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// [pdf] - Docfile
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// [df] - Permissions
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//
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// Returns: Appropriate status code
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//
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// History: 02-Nov-92 DrewB Created
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//
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//----------------------------------------------------------------------------
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SCODE PDocFile::CreateFromUpdate(CUpdate *pud,
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PDocFile *pdf,
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DFLAGS df)
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{
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PDocFile *pdfChild;
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PSStream *pstChild;
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SCODE sc;
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olDebugOut((DEB_ITRACE, "In PDocFile::CreateFromUpdate(%p, %p, %X)\n",
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pud, pdf, df));
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olAssert(pud->GetXSM() != NULL);
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switch(pud->GetFlags() & (ULF_TYPEFLAGS & STGTY_REAL))
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{
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case STGTY_STORAGE:
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olChk(pdf->CreateDocFile(pud->GetCurrentName(), df, pud->GetLUID(),
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pud->GetFlags() & ULF_TYPEFLAGS, &pdfChild));
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olChkTo(EH_Create,
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((CWrappedDocFile *)pud->GetXSM())->SetBase(pdfChild));
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break;
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case STGTY_STREAM:
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olChk(pdf->CreateStream(pud->GetCurrentName(), df, pud->GetLUID(),
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pud->GetFlags() & ULF_TYPEFLAGS, &pstChild));
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olChkTo(EH_Create,
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((CTransactedStream *)pud->GetXSM())->SetBase(pstChild));
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break;
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default:
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olAssert(FALSE && aMsg("Unknown type in update list entry"));
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break;
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}
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olDebugOut((DEB_ITRACE, "Out PDocFile::CreateFromUpdate\n"));
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return S_OK;
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EH_Create:
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if ((pud->GetFlags() & (ULF_TYPEFLAGS & STGTY_REAL)) == STGTY_STORAGE)
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pdfChild->Release();
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else
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{
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olAssert((pud->GetFlags() & (ULF_TYPEFLAGS & STGTY_REAL)) ==
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STGTY_STREAM);
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pstChild->Release();
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}
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olVerSucc(pdf->DestroyEntry(pud->GetCurrentName(), TRUE));
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EH_Err:
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return sc;
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}
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//+--------------------------------------------------------------
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//
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// Member: PDocFile::ExcludeEntries, public
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//
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// Synopsis: Excludes the given entries
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//
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// Arguments: [snbExclude] - Entries to exclude
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//
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// Returns: Appropriate status code
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//
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// History: 26-Mar-92 DrewB Created
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//
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//---------------------------------------------------------------
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SCODE PDocFile::ExcludeEntries(PDocFile *pdf,
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SNBW snbExclude)
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{
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PSStream *psstChild;
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PDocFile *pdfChild;
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SCODE sc;
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CDfName dfnKey;
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SIterBuffer ib;
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olDebugOut((DEB_ITRACE, "In PDocFile::ExcludeEntries(%p)\n",
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snbExclude));
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for (;;)
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{
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if (FAILED(pdf->FindGreaterEntry(&dfnKey, &ib, NULL)))
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break;
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dfnKey.Set(&ib.dfnName);
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if (NameInSNB(&ib.dfnName, snbExclude) == S_OK)
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{
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switch(REAL_STGTY(ib.type))
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{
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case STGTY_STORAGE:
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olChkTo(EH_pwcsName, pdf->GetDocFile(&ib.dfnName, DF_READ |
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DF_WRITE, ib.type,
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&pdfChild));
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olChkTo(EH_Get, pdfChild->DeleteContents());
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pdfChild->Release();
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break;
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case STGTY_STREAM:
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olChkTo(EH_pwcsName, pdf->GetStream(&ib.dfnName, DF_WRITE,
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ib.type, &psstChild));
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olChkTo(EH_Get, psstChild->SetSize(0));
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psstChild->Release();
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break;
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}
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}
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}
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olDebugOut((DEB_ITRACE, "Out ExcludeEntries\n"));
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return S_OK;
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EH_Get:
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if (REAL_STGTY(ib.type) == STGTY_STORAGE)
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pdfChild->Release();
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else if (REAL_STGTY(ib.type) == STGTY_STREAM)
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psstChild->Release();
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EH_pwcsName:
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return sc;
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}
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