492 lines
14 KiB
C++
492 lines
14 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: wdocfile.hxx
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//
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// Contents: CWrappedDocFile class header
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//
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// Classes: CWrappedDocFile
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//
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// History: 06-Jan-92 DrewB Created
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//
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//---------------------------------------------------------------
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#ifndef __WDOCFILE_HXX__
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#define __WDOCFILE_HXX__
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#include <dfmsp.hxx>
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#include <dfbasis.hxx>
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#include <pdocfile.hxx>
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#include <ulist.hxx>
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#include <entry.hxx>
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#include <tset.hxx>
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#include <freelist.hxx>
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#include <tstream.hxx>
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class PDocFileIterator;
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class CPubDocFile;
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class CDFBasis;
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//+--------------------------------------------------------------
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//
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// Class: CWrappedDocFile
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//
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// Purpose: Wrapped DocFile object for transactioning
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//
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// Interface: See below
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//
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// History: 06-Jan-92 DrewB Created
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//
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//---------------------------------------------------------------
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class CWrappedDocFile : public PDocFile, public PTSetMember,
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public CMallocBased
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{
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public:
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inline void *operator new(size_t size, IMalloc * const pMalloc);
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inline void *operator new(size_t size,
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CDFBasis * const pdfb);
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inline void ReturnToReserve(CDFBasis * const pdfb);
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inline static SCODE Reserve(UINT cItems, CDFBasis * const pdfb);
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inline static void Unreserve(UINT cItems, CDFBasis * const pdfb);
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CWrappedDocFile(CDfName const *pdfn,
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DFLUID dl,
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DFLAGS const df,
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CDFBasis *pdfb,
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CPubDocFile *ppubdf);
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SCODE Init(PDocFile *pdfBase);
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#ifdef COORD
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SCODE InitPub(CPubDocFile *ppubdf);
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#endif
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~CWrappedDocFile(void);
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// PDocFile
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virtual void AddRef(void);
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inline void DecRef(void);
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virtual void Release(void);
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virtual SCODE DestroyEntry(CDfName const *dfnName,
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BOOL fClean);
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virtual SCODE RenameEntry(CDfName const *dfnName,
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CDfName const *dfnNewName);
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virtual SCODE GetClass(CLSID *pclsid);
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virtual SCODE SetClass(REFCLSID clsid);
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virtual SCODE GetStateBits(DWORD *pgrfStateBits);
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virtual SCODE SetStateBits(DWORD grfStateBits, DWORD grfMask);
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virtual SCODE CreateDocFile(CDfName const *pdfnName,
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DFLAGS const df,
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DFLUID luidSet,
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PDocFile **ppdfDocFile);
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inline SCODE CreateDocFile(CDfName const *pdfnName,
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DFLAGS const df,
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DFLUID luidSet,
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DWORD const dwType,
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PDocFile **ppdfDocFile)
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{ return CreateDocFile(pdfnName, df, luidSet, ppdfDocFile); }
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virtual SCODE GetDocFile(CDfName const *pdfnName,
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DFLAGS const df,
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PDocFile **ppdfDocFile);
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inline SCODE GetDocFile(CDfName const *pdfnName,
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DFLAGS const df,
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DWORD const dwType,
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PDocFile **ppdfDocFile)
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{ return GetDocFile(pdfnName, df, ppdfDocFile); }
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inline void ReturnDocFile(CWrappedDocFile *pdf);
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virtual SCODE CreateStream(CDfName const *pdfnName,
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DFLAGS const df,
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DFLUID luidSet,
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PSStream **ppsstStream);
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inline SCODE CreateStream(CDfName const *pdfnName,
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DFLAGS const df,
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DFLUID luidSet,
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DWORD const dwType,
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PSStream **ppsstStream)
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{ return CreateStream(pdfnName, df, luidSet, ppsstStream); }
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virtual SCODE GetStream(CDfName const *pdfnName,
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DFLAGS const df,
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PSStream **ppsstStream);
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inline SCODE GetStream(CDfName const *pdfnName,
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DFLAGS const df,
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DWORD const dwType,
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PSStream **ppsstStream)
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{ return GetStream(pdfnName, df, ppsstStream); }
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inline void ReturnStream(CTransactedStream *pstm);
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virtual SCODE FindGreaterEntry(CDfName const *pdfnKey,
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SIterBuffer *pib,
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STATSTGW *pstat);
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virtual SCODE StatEntry(CDfName const *pdfn,
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SIterBuffer *pib,
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STATSTGW *pstat);
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virtual SCODE BeginCommitFromChild(CUpdateList &ulChanged,
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DWORD const dwFlags,
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CWrappedDocFile *pdfChild);
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virtual void EndCommitFromChild(DFLAGS const df,
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CWrappedDocFile *pdfChild);
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virtual SCODE IsEntry(CDfName const *dfnName,
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SEntryBuffer *peb);
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virtual SCODE DeleteContents(void);
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// PTSetMember
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virtual SCODE BeginCommit(DWORD const dwFlags);
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virtual void EndCommit(DFLAGS const df);
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virtual void Revert(void);
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virtual void GetCommitInfo(ULONG *pulRet1, ULONG *pulRet2);
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// PTimeEntry
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virtual SCODE GetTime(WHICHTIME wt, TIME_T *ptm);
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virtual SCODE SetTime(WHICHTIME wt, TIME_T tm);
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virtual SCODE GetAllTimes(TIME_T *patm, TIME_T *pmtm, TIME_T *pctm);
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virtual SCODE SetAllTimes(TIME_T atm, TIME_T mtm, TIME_T ctm);
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inline CWrappedDocFile *GetReservedDocfile(CDfName const *pdfn,
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DFLUID dl,
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DFLAGS const df,
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CPubDocFile *ppubdf);
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inline CTransactedStream *GetReservedStream(CDfName const *pdfn,
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DFLUID dl,
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DFLAGS df
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);
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// Internal
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SCODE SetBase(PDocFile *pdf);
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inline PDocFile *GetBase(void);
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inline CFreeList *GetDocfileFreelist(void);
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inline CFreeList *GetStreamFreelist(void);
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inline void SetClean(void);
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inline void SetDirty(UINT fDirty);
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inline UINT GetDirty(void) const;
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inline CUpdateList *GetUpdateList(void);
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private:
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SCODE SetInitialState(PDocFile *pdfBase);
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void RevertUpdate(CUpdate *pud);
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DFLAGS _df; // Transactioning flags
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CBasedDocFilePtr _pdfParent, _pdfBase;
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CUpdateList _ulChanged;
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CUpdateList _ulChangedHolder;
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CUpdateList _ulChangedOld;
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CTSSet _tssDeletedHolder;
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BOOL _fBeginCommit;
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LONG _cReferences;
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CTransactedTimeEntry _tten;
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CBasedPubDocFilePtr _ppubdf;
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UINT _fDirty;
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CLSID _clsid;
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DWORD _grfStateBits;
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CBasedDFBasisPtr const _pdfb;
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};
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//+--------------------------------------------------------------
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//
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// Member: CWrappedDocFile::operator new, public
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//
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// Synopsis: Unreserved object allocator
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//
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// Arguments: [size] -- byte count to allocate
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// [pMalloc] -- allocator
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//
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// History: 25-May-93 AlexT Created
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//
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//---------------------------------------------------------------
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inline void *CWrappedDocFile::operator new(size_t size,
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IMalloc * const pMalloc)
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{
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return(CMallocBased::operator new(size, pMalloc));
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}
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//+--------------------------------------------------------------
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//
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// Member: CWrappedDocFile::operator new, public
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//
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// Synopsis: Reserved object allocator
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//
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// Arguments: [size] -- byte count to allocate
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// [pdfb] -- basis
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//
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// History: 25-May-93 AlexT Created
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//
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//---------------------------------------------------------------
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inline void *CWrappedDocFile::operator new(size_t size, CDFBasis * const pdfb)
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{
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olAssert(size == sizeof(CWrappedDocFile));
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return pdfb->GetFreeList(CDFB_WRAPPEDDOCFILE)->GetReserved();
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}
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//+--------------------------------------------------------------
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//
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// Member: CWrappedDocFile::ReturnToReserve, public
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//
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// Synopsis: Reserved object return
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//
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// Arguments: [pdfb] -- basis
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//
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// History: 25-May-93 AlexT Created
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//
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//---------------------------------------------------------------
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inline void CWrappedDocFile::ReturnToReserve(CDFBasis * const pdfb)
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{
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CWrappedDocFile::~CWrappedDocFile();
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pdfb->GetFreeList(CDFB_WRAPPEDDOCFILE)->ReturnToReserve(this);
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}
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//+--------------------------------------------------------------
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//
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// Member: CWrappedDocFile::Reserve, public
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//
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// Synopsis: Reserve instances
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//
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// Arguments: [cItems] -- count of items
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// [pdfb] -- basis
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//
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// History: 25-May-93 AlexT Created
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//
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//---------------------------------------------------------------
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inline SCODE CWrappedDocFile::Reserve(UINT cItems, CDFBasis * const pdfb)
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{
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return pdfb->Reserve(cItems, CDFB_WRAPPEDDOCFILE);
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}
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//+--------------------------------------------------------------
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//
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// Member: CWrappedDocFile::Unreserve, public
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//
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// Synopsis: Unreserve instances
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//
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// Arguments: [cItems] -- count of items
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// [pdfb] -- basis
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//
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// History: 25-May-93 AlexT Created
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//
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//---------------------------------------------------------------
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inline void CWrappedDocFile::Unreserve(UINT cItems, CDFBasis * const pdfb)
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{
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pdfb->Unreserve(cItems, CDFB_WRAPPEDDOCFILE);
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}
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//+--------------------------------------------------------------
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//
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// Member: CWrappedDocFile::GetBase, public
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//
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// Synopsis: Returns base; used for debug checks
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//
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// History: 15-Sep-92 AlexT Created
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//
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//---------------------------------------------------------------
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inline PDocFile *CWrappedDocFile::GetBase(void)
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{
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return BP_TO_P(PDocFile *, _pdfBase);
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}
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//+---------------------------------------------------------------------------
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//
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// Member: CWrappedDocFile::GetReservedDocfile, public
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//
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// Synopsis: Returns a previously reserved object
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//
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// History: 09-Nov-92 DrewB Created
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//
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//----------------------------------------------------------------------------
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inline CWrappedDocFile *CWrappedDocFile::GetReservedDocfile(
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CDfName const *pdfn,
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DFLUID dl,
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DFLAGS const df,
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CPubDocFile *ppubdf)
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{
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return new(_pdfb)
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CWrappedDocFile(pdfn, dl, df,
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_pdfb, ppubdf);
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}
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//+---------------------------------------------------------------------------
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//
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// Member: CWrappedDocFile::GetReservedStream, public
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//
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// Synopsis: Returns a previously reserved object
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//
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// History: 09-Nov-92 DrewB Created
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//
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//----------------------------------------------------------------------------
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inline CTransactedStream *CWrappedDocFile::GetReservedStream(
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CDfName const *pdfn,
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DFLUID dl,
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DFLAGS df
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)
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{
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CDFBasis * pdfb = BP_TO_P(CDFBasis *, _pdfb);
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return new(pdfb)
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CTransactedStream(pdfn, dl, df,
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#ifdef USE_NOSCRATCH
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pdfb->GetBaseMultiStream(),
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#endif
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pdfb->GetScratch());
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}
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//+---------------------------------------------------------------------------
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//
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// Member: CWrappedDocFile::SetClean, public
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//
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// Synopsis: Resets dirty flags
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//
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// History: 10-Nov-92 DrewB Created
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//
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//----------------------------------------------------------------------------
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inline void CWrappedDocFile::SetClean(void)
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{
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_fDirty = 0;
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}
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//+---------------------------------------------------------------------------
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//
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// Member: CWrappedDocFile::SetDirty, public
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//
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// Synopsis: Sets dirty flags
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//
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// History: 10-Nov-92 DrewB Created
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//
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//----------------------------------------------------------------------------
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inline void CWrappedDocFile::SetDirty(UINT fDirty)
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{
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_fDirty |= fDirty;
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}
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//+---------------------------------------------------------------------------
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//
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// Member: CWrappedDocFile::GetDirty, public
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//
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// Synopsis: Returns the dirty flags
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//
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// History: 25-Nov-92 DrewB Created
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//
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//----------------------------------------------------------------------------
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inline UINT CWrappedDocFile::GetDirty(void) const
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{
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return _fDirty;
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}
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//+---------------------------------------------------------------------------
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//
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// Member: CWrappedDocFile::DecRef, public
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//
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// Synopsis: Decrements the ref count
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//
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// History: 23-Nov-92 DrewB Created
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//
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//----------------------------------------------------------------------------
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inline void CWrappedDocFile::DecRef(void)
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{
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AtomicDec(&_cReferences);
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}
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//+---------------------------------------------------------------------------
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//
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// Member: CWrappedDocFile::GetUpdateList, public
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//
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// Synopsis: Returns a pointer to the current update list
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//
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// History: 12-Apr-93 DrewB Created
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//
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//----------------------------------------------------------------------------
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CUpdateList *CWrappedDocFile::GetUpdateList(void)
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{
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return &_ulChanged;
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}
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//+---------------------------------------------------------------------------
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//
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// Member: CWrappedDocFile::ReturnDocFile, public
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//
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// Synopsis: Removes a docfile from the XS and returns it to the freelist
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//
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// Arguments: [pdf] - Docfile
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//
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// History: 23-Nov-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_ReturnDocFile)
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#endif
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inline void CWrappedDocFile::ReturnDocFile(CWrappedDocFile *pdf)
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{
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olDebugOut((DEB_ITRACE, "In CWrappedDocFile::ReturnDocFile:%p(%p)\n",
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this, pdf));
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_ppubdf->RemoveXSMember(pdf);
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// Force ref count to zero without freeing memory
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pdf->DecRef();
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pdf->ReturnToReserve(BP_TO_P(CDFBasis *, _pdfb));
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olDebugOut((DEB_ITRACE, "Out CWrappedDocFile::ReturnDocFile\n"));
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}
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#ifdef CODESEGMENTS
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#pragma code_seg()
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#endif
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//+---------------------------------------------------------------------------
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//
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// Member: CWrappedDocFile::ReturnStream, public
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//
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// Synopsis: Removes a stream from the XS and returns it to the freelist
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//
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// Arguments: [pstm] - Stream
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//
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// History: 23-Nov-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_ReturnStream)
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#endif
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inline void CWrappedDocFile::ReturnStream(CTransactedStream *pstm)
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{
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olDebugOut((DEB_ITRACE, "In CWrappedDocFile::ReturnStream:%p(%p)\n",
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this, pstm));
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_ppubdf->RemoveXSMember(pstm);
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// Force ref count to zero without freeing memory
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pstm->DecRef();
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pstm->ReturnToReserve(BP_TO_P(CDFBasis *, _pdfb));
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olDebugOut((DEB_ITRACE, "Out CWrappedDocFile::ReturnStream\n"));
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}
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#ifdef CODESEGMENTS
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#pragma code_seg()
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#endif
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#endif
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