174 lines
4.9 KiB
C++
174 lines
4.9 KiB
C++
//+--------------------------------------------------------------
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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: wdffuncs.cxx
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//
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// Contents: CWrappedDocFile support methods
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//
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// History: 22-Jan-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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//+--------------------------------------------------------------
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//
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// Member: CWrappedDocFile::DeleteContents, public
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//
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// Synopsis: Destroys the contents of a docfile
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//
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// Returns: Appropriate status code
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//
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// History: 24-Aug-92 DrewB Created
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//
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//---------------------------------------------------------------
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#ifdef CODESEGMENTS
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#pragma code_seg(SEG_CWrappedDocFile_DeleteContents) // Wrapdf_TEXT inline?
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#endif
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SCODE CWrappedDocFile::DeleteContents(void)
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{
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#ifdef WRAPPED_DELETE_CONTENTS
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PDocFileIterator *pdfi;
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SCODE sc;
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SIterBuffer ib;
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olDebugOut((DEB_ITRACE, "In CWrappedDocFile::DeleteContents:%p()\n",
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this));
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_ulChanged.Empty();
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olChk(GetIterator(&pdfi));
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for (;;)
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{
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if (FAILED(pdfi->BufferGetNext(&ib)))
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break;
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olChkTo(EH_pdfi, DestroyEntry(&ib.dfnName, FALSE));
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}
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olDebugOut((DEB_ITRACE, "Out CWrappedDocFile::DeleteContents\n"));
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// Fall through
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EH_pdfi:
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pdfi->Release();
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EH_Err:
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return sc;
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#else
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olAssert(!aMsg("CWrappedDocFile::DeleteContents called"));
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return STG_E_UNIMPLEMENTEDFUNCTION;
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#endif
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}
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//+---------------------------------------------------------------------------
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//
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// Member: CWrappedDocFile::SetInitialState, private
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//
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// Synopsis: Sets inital values from a base or defaults
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//
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// Arguments: [pdfBase] - Base object or NULL
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//
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// Returns: Appropriate status code
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//
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// History: 11-Nov-92 DrewB Created
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// 05-Sep-95 MikeHill Clear the time bits after CopyTimesFrom(base)
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//
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//----------------------------------------------------------------------------
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#ifdef CODESEGMENTS
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#pragma code_seg(SEG_CWrappedDocFile_SetInitialState)
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#endif
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SCODE CWrappedDocFile::SetInitialState(PDocFile *pdfBase)
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{
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SCODE sc;
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olDebugOut((DEB_ITRACE, "In CWrappedDocFile::SetInitialState:%p(%p)\n",
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this, pdfBase));
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if (pdfBase == NULL)
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{
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TIME_T tm;
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olChk(DfGetTOD(&tm));
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_tten.SetTime(WT_CREATION, tm);
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_tten.SetTime(WT_MODIFICATION, tm);
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_tten.SetTime(WT_ACCESS, tm);
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_clsid = CLSID_NULL;
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_grfStateBits = 0;
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}
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else
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{
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olChk(CopyTimesFrom(pdfBase));
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// There's no need for the time bits to be dirty; they don't need
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// to be written to the base because they were just read from the base.
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_fDirty &= ~(BOOL)( DIRTY_CREATETIME | DIRTY_MODIFYTIME | DIRTY_ACCESSTIME );
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olChk(pdfBase->GetClass(&_clsid));
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olChk(pdfBase->GetStateBits(&_grfStateBits));
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}
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olDebugOut((DEB_ITRACE, "Out CWrappedDocFile::SetInitialState\n"));
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// Fall through
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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: CWrappedDocFile::RevertUpdate, private
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//
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// Synopsis: Reverses an update list entry's effect
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//
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// Arguments: [pud] - Update entry
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//
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// Returns: Appropriate status code
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//
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// History: 25-Jan-93 DrewB Created
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//
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//----------------------------------------------------------------------------
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#ifdef CODESEGMENTS
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#pragma code_seg(SEG_CWrappedDocFile_RevertUpdate) // Wrapdf_Revert_TEXT
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#endif
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void CWrappedDocFile::RevertUpdate(CUpdate *pud)
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{
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olDebugOut((DEB_ITRACE, "In CWrappedDocFile::RevertUpdate:%p(%p)\n",
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this, pud));
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if (pud->IsCreate())
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{
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CDFBasis *pdfb = BP_TO_P(CDFBasis *, _pdfb);
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olAssert(pud->GetLUID() != DF_NOLUID);
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_ppubdf->DestroyChild(pud->GetLUID());
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if ((pud->GetFlags() & (ULF_TYPEFLAGS & STGTY_REAL)) == STGTY_STORAGE)
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{
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CDocFile::Unreserve(1, pdfb);
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CWrappedDocFile::Unreserve(_ppubdf->GetTransactedDepth()-1,
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pdfb);
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}
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else
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{
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CDirectStream::Unreserve(1, pdfb);
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CTransactedStream::Unreserve(_ppubdf->GetTransactedDepth()-1,
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pdfb);
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}
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}
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else if (pud->IsRename())
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{
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// Roll back renames
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olAssert(_ppubdf->FindXSMember(pud->GetOriginalName(),
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GetName()) == NULL &&
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aMsg("Revert rename precondition"));
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_ppubdf->RenameChild(pud->GetCurrentName(), GetName(),
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pud->GetOriginalName());
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olAssert(_ppubdf->FindXSMember(pud->GetCurrentName(),
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GetName()) == NULL &&
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aMsg("Revert rename postcondition"));
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}
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olDebugOut((DEB_ITRACE, "Out CWrappedDocFile::RevertUpdate\n"));
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}
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