389 lines
9.9 KiB
C++
389 lines
9.9 KiB
C++
//+--------------------------------------------------------------
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//
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// Microsoft Windows
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// Copyright (C) Microsoft Corporation, 1991 - 1992
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//
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// File: cdocfile.cxx
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//
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// Contents: Implementation of CDocFile methods for DocFiles
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//
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//---------------------------------------------------------------
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#include <dfhead.cxx>
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#include <vectfunc.hxx>
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//+--------------------------------------------------------------
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//
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// Member: PEntry::_dlBase, static private data
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//
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// Synopsis: luid allocation base
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//
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// Notes: Since DF_NOLUID is 0 and ROOT_LUID is 1 we start
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// issuing at 2.
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//
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//---------------------------------------------------------------
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DFLUID PEntry::_dlBase = LUID_BASE;
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//+--------------------------------------------------------------
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//
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// Member: CDocFile::InitFromEntry, public
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//
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// Synopsis: Creation/Instantiation constructor for embeddings
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//
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// Arguments: [pstghParent] - Parent handle
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// [pdfn] - Name
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// [fCreate] - Create/Instantiate
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// [dwType] - Type of entry
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//
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// Returns: Appropriate status code
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//
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//---------------------------------------------------------------
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SCODE CDocFile::InitFromEntry(CStgHandle *pstghParent,
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CDfName const *pdfn,
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BOOL const fCreate)
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{
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SCODE sc;
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olDebugOut((DEB_ITRACE, "In CDocFile::InitFromEntry(%p, %ws, %d)\n",
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pstghParent, pdfn, fCreate));
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if (fCreate)
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sc = pstghParent->CreateEntry(pdfn, STGTY_STORAGE, &_stgh);
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else
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sc = pstghParent->GetEntry(pdfn, STGTY_STORAGE, &_stgh);
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if (SUCCEEDED(sc))
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AddRef();
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olDebugOut((DEB_ITRACE, "Out CDocFile::InitFromEntry\n"));
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return sc;
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}
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//+--------------------------------------------------------------
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//
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// Member: CDocFile::CreateDocFile, public
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//
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// Synopsis: Creates a DocFile object in a parent
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//
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// Arguments: [pdfn] - Name of DocFile
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// [df] - Transactioning flags
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// [dlSet] - LUID to set or DF_NOLUID
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// [dwType] - Type of entry
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// [ppdfDocFile] - DocFile return
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//
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// Returns: Appropriate status code
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//
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// Modifies: [ppdfDocFile]
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//
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//---------------------------------------------------------------
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SCODE CDocFile::CreateDocFile(CDfName const *pdfn,
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DFLAGS const df,
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DFLUID dlSet,
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PDocFile **ppdfDocFile)
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{
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CDocFile *pdf;
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SCODE sc;
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olDebugOut((DEB_ITRACE, "In CDocFile::CreateDocFile:%p("
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"%ws, %X, %lu, %p)\n", this, pdfn, df, dlSet,
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ppdfDocFile));
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UNREFERENCED_PARM(df);
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if (dlSet == DF_NOLUID)
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dlSet = CDocFile::GetNewLuid();
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olMem(pdf = new CDocFile(dlSet, _pilbBase));
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olChkTo(EH_pdf, pdf->InitFromEntry(&_stgh, pdfn, TRUE));
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*ppdfDocFile = pdf;
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olDebugOut((DEB_ITRACE, "Out CDocFile::CreateDocFile => %p\n",
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*ppdfDocFile));
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return S_OK;
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EH_pdf:
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delete pdf;
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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: CDocFile::GetDocFile, public
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//
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// Synopsis: Instantiates an existing docfile
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//
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// Arguments: [pdfn] - Name of stream
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// [df] - Transactioning flags
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// [dwType] - Type of entry
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// [ppdfDocFile] - Docfile return
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//
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// Returns: Appropriate status code
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//
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// Modifies: [ppdfDocFile]
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//
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//---------------------------------------------------------------
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SCODE CDocFile::GetDocFile(CDfName const *pdfn,
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DFLAGS const df,
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PDocFile **ppdfDocFile)
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{
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CDocFile *pdf;
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SCODE sc;
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olDebugOut((DEB_ITRACE, "In CDocFile::GetDocFile:%p("
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"%ws, %X, %p)\n", this, pdfn, df, ppdfDocFile));
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UNREFERENCED_PARM(df);
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DFLUID dl = CDocFile::GetNewLuid();
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olMem(pdf = new CDocFile(dl, _pilbBase));
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olChkTo(EH_pdf, pdf->InitFromEntry(&_stgh, pdfn, FALSE));
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*ppdfDocFile = pdf;
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olDebugOut((DEB_ITRACE, "Out CDocFile::GetDocFile => %p\n",
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*ppdfDocFile));
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return S_OK;
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EH_pdf:
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delete pdf;
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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: CDocFile::Release, public
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//
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// Synopsis: Release resources for a DocFile
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//
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//---------------------------------------------------------------
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void CDocFile::Release(void)
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{
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olDebugOut((DEB_ITRACE, "In CDocFile::Release()\n"));
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olAssert(_cReferences > 0);
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AtomicDec(&_cReferences);
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if (_cReferences == 0)
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delete this;
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olDebugOut((DEB_ITRACE, "Out CDocFile::Release\n"));
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}
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//+--------------------------------------------------------------
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//
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// Member: CDocFile::RenameEntry, public
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//
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// Synopsis: Renames a child
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//
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// Arguments: [pdfnName] - Old name
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// [pdfnNewName] - New name
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//
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// Returns: Appropriate status code
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//
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//---------------------------------------------------------------
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SCODE CDocFile::RenameEntry(CDfName const *pdfnName,
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CDfName const *pdfnNewName)
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{
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SCODE sc;
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olDebugOut((DEB_ITRACE, "In CDocFile::RenameEntry(%ws, %ws)\n",
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pdfnName, pdfnNewName));
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sc = _stgh.RenameEntry(pdfnName, pdfnNewName);
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olDebugOut((DEB_ITRACE, "Out CDocFile::RenameEntry\n"));
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return sc;
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}
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//+--------------------------------------------------------------
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//
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// Member: CDocFile::DestroyEntry, public
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//
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// Synopsis: Permanently destroys a child
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//
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// Arguments: [pdfnName] - Name of child
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// [fClean] - Ignored
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//
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// Returns: Appropriate status code
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//
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//---------------------------------------------------------------
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SCODE CDocFile::DestroyEntry(CDfName const *pdfnName,
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BOOL fClean)
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{
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SCODE sc;
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olDebugOut((DEB_ITRACE, "In CDocFile::DestroyEntry:%p(%ws, %d)\n",
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this, pdfnName, fClean));
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UNREFERENCED_PARM(fClean);
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sc = _stgh.DestroyEntry(pdfnName);
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olDebugOut((DEB_ITRACE, "Out CDocFile::DestroyEntry\n"));
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return sc;
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}
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//+--------------------------------------------------------------
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//
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// Member: CDocFile::IsEntry, public
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//
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// Synopsis: Determines whether the given object is a member
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// of the DocFile
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//
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// Arguments: [pdfnName] - Name
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// [peb] - Entry buffer to fill in
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//
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// Returns: Appropriate status code
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//
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// Modifies: [peb]
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//
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//---------------------------------------------------------------
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SCODE CDocFile::IsEntry(CDfName const *pdfnName,
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SEntryBuffer *peb)
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{
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SCODE sc;
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olDebugOut((DEB_ITRACE, "In CDocFile::IsEntry(%ws, %p)\n",
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pdfnName, peb));
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sc = _stgh.IsEntry(pdfnName, peb);
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olDebugOut((DEB_ITRACE, "Out CDocFile::IsEntry => %lu, %lu, %lu\n",
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sc, peb->luid, peb->dwType));
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return sc;
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}
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//+--------------------------------------------------------------
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//
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// Member: CDocFile::AddRef, public
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//
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// Synopsis: Increments the ref count
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//
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//---------------------------------------------------------------
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void CDocFile::AddRef(void)
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{
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olDebugOut((DEB_ITRACE, "In CDocFile::AddRef()\n"));
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AtomicInc(&_cReferences);
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olDebugOut((DEB_ITRACE, "Out CDocFile::AddRef, %lu\n", _cReferences));
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}
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//+--------------------------------------------------------------
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//
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// Member: CDocFile::GetTime, public
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//
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// Synopsis: Gets a time
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//
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// Arguments: [wt] - Which time
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// [ptm] - Time return
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//
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// Returns: Appropriate status code
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//
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// Modifies: [ptm]
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//
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//---------------------------------------------------------------
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SCODE CDocFile::GetTime(WHICHTIME wt, TIME_T *ptm)
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{
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return _stgh.GetTime(wt, ptm);
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}
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//+--------------------------------------------------------------
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//
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// Member: CDocFile::SetTime, public
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//
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// Synopsis: Sets a time
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//
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// Arguments: [wt] - Which time
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// [tm] - New time
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//
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// Returns: Appropriate status code
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//
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//---------------------------------------------------------------
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SCODE CDocFile::SetTime(WHICHTIME wt, TIME_T tm)
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{
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return _stgh.SetTime(wt, tm);
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}
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//+---------------------------------------------------------------------------
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//
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// Member: CDocFile::GetClass, public
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//
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// Synopsis: Gets the class ID
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//
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// Arguments: [pclsid] - Class ID return
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//
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// Returns: Appropriate status code
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//
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// Modifies: [pclsid]
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//
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//----------------------------------------------------------------------------
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SCODE CDocFile::GetClass(CLSID *pclsid)
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{
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return _stgh.GetClass(pclsid);
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}
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//+---------------------------------------------------------------------------
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//
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// Member: CDocFile::SetClass, public
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//
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// Synopsis: Sets the class ID
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//
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// Arguments: [clsid] - New class ID
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//
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// Returns: Appropriate status code
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//
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//----------------------------------------------------------------------------
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SCODE CDocFile::SetClass(REFCLSID clsid)
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{
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return _stgh.SetClass(clsid);
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}
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//+---------------------------------------------------------------------------
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//
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// Member: CDocFile::GetStateBits, public
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//
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// Synopsis: Gets the state bits
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//
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// Arguments: [pgrfStateBits] - State bits return
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//
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// Returns: Appropriate status code
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//
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// Modifies: [pgrfStateBits]
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//
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//----------------------------------------------------------------------------
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SCODE CDocFile::GetStateBits(DWORD *pgrfStateBits)
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{
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return _stgh.GetStateBits(pgrfStateBits);
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}
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//+---------------------------------------------------------------------------
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//
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// Member: CDocFile::SetStateBits, public
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//
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// Synopsis: Sets the state bits
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//
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// Arguments: [grfStateBits] - Bits to set
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// [grfMask] - Mask
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//
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// Returns: Appropriate status code
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//
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//----------------------------------------------------------------------------
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SCODE CDocFile::SetStateBits(DWORD grfStateBits, DWORD grfMask)
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{
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return _stgh.SetStateBits(grfStateBits, grfMask);
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}
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