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//+---------------------------------------------------------------------------
//
// Microsoft Windows
// Copyright (C) Microsoft Corporation, 1992 - 1994.
//
// File: simpdf.hxx
//
// Contents: Headers for SimpDocfile
//
// Classes:
//
// Functions:
//
// History: 04-Aug-94 PhilipLa Created
//
//----------------------------------------------------------------------------
#ifndef __SIMPDF_HXX__
#define __SIMPDF_HXX__
#include <dfnlist.hxx>
#include <header.hxx>
#if DBG == 1
DECLARE_DEBUG(simp);#endif
#if DBG == 1
#define simpDebugOut(x) simpInlineDebugOut x
#define simpAssert(e) Win4Assert(e)
#define simpVerify(e) Win4Assert(e)
#else
#define simpDebugOut(x)
#define simpAssert(e)
#define simpVerify(e) (e)
#endif
#define SECTORSIZE 512
//+---------------------------------------------------------------------------
//
// Struct: SSimpDocfileHints
//
// Purpose: Hints for SimpDocfile
//
// History: 04-Aug-94 PhilipLa Created
//
//----------------------------------------------------------------------------
struct SSimpDocfileHints{ ULONG cStreams; ULONG ulSize;};
//+---------------------------------------------------------------------------
//
// Class: CSimpStorage
//
// Purpose:
//
// Interface:
//
// History: 04-Aug-94 PhilipLa Created
//
// Notes:
//
//----------------------------------------------------------------------------
interface CSimpStorage: public IStorage, public IMarshal, public CPropertySetStorage{public: inline CSimpStorage(); inline ~CSimpStorage(); SCODE Init(WCHAR const *pwcsName, SSimpDocfileHints *psdh);
#ifdef SECURE_SIMPLE_MODE
void ReleaseCurrentStream(ULONG ulHighWater);#else
void ReleaseCurrentStream(void);#endif
// From IUnknown
STDMETHOD(QueryInterface)(REFIID iid, void **ppvObj); STDMETHOD_(ULONG,AddRef)(void); STDMETHOD_(ULONG,Release)(void);
// IStorage
STDMETHOD(CreateStream)(OLECHAR const *pwcsName, DWORD grfMode, DWORD reserved1, DWORD reserved2, IStream **ppstm); STDMETHOD(OpenStream)(OLECHAR const *pwcsName, void *reserved1, DWORD grfMode, DWORD reserved2, IStream **ppstm); STDMETHOD(CreateStorage)(OLECHAR const *pwcsName, DWORD grfMode, DWORD reserved1, LPSTGSECURITY reserved2, IStorage **ppstg); STDMETHOD(OpenStorage)(OLECHAR const *pwcsName, IStorage *pstgPriority, DWORD grfMode, SNB snbExclude, DWORD reserved, IStorage **ppstg); STDMETHOD(CopyTo)(DWORD ciidExclude, IID const *rgiidExclude, SNB snbExclude, IStorage *pstgDest); STDMETHOD(MoveElementTo)(OLECHAR const *lpszName, IStorage *pstgDest, OLECHAR const *lpszNewName, DWORD grfFlags); STDMETHOD(Commit)(DWORD grfCommitFlags); STDMETHOD(Revert)(void); STDMETHOD(EnumElements)(DWORD reserved1, void *reserved2, DWORD reserved3, IEnumSTATSTG **ppenm); STDMETHOD(DestroyElement)(OLECHAR const *pwcsName); STDMETHOD(RenameElement)(OLECHAR const *pwcsOldName, OLECHAR const *pwcsNewName); STDMETHOD(SetElementTimes)(const OLECHAR *lpszName, FILETIME const *pctime, FILETIME const *patime, FILETIME const *pmtime); STDMETHOD(SetClass)(REFCLSID clsid); STDMETHOD(SetStateBits)(DWORD grfStateBits, DWORD grfMask); STDMETHOD(Stat)(STATSTG *pstatstg, DWORD grfStatFlag);
// IMarshal
STDMETHOD(GetUnmarshalClass)(REFIID riid, LPVOID pv, DWORD dwDestContext, LPVOID pvDestContext, DWORD mshlflags, LPCLSID pCid); STDMETHOD(GetMarshalSizeMax)(REFIID riid, LPVOID pv, DWORD dwDestContext, LPVOID pvDestContext, DWORD mshlflags, LPDWORD pSize); STDMETHOD(MarshalInterface)(IStream *pStm, REFIID riid, LPVOID pv, DWORD dwDestContext, LPVOID pvDestContext, DWORD mshlflags); STDMETHOD(UnmarshalInterface)(IStream *pStm, REFIID riid, LPVOID *ppv); STDMETHOD(ReleaseMarshalData)(IStream *pStm); STDMETHOD(DisconnectObject)(DWORD dwReserved);protected:
SID BuildTree(CDirEntry *ade, SID sidStart, ULONG cStreams); LONG _cReferences;
HANDLE _hFile; BOOL _fDirty; CMSFHeader _hdr; BYTE *_pbBuf; SECT _sectMax; CLSID _clsid; CDfNameList *_pdfl;
CDfNameList *_pdflCurrent; ULONG _cStreams;};
//+---------------------------------------------------------------------------
//
// Member: CSimpStorage::CSimpStorage, public
//
// Synopsis: Constructor
//
// History: 04-Aug-94 PhilipLa Created
//
//----------------------------------------------------------------------------
inline CSimpStorage::CSimpStorage() : CPropertySetStorage( MAPPED_STREAM_CREATE ), _hdr(SECTORSHIFT512){ _cReferences = 1;
_pbBuf = NULL; _sectMax = 0; _pdfl = NULL; _hFile = INVALID_HANDLE_VALUE; _fDirty = FALSE; _pdflCurrent = NULL; _cStreams = 0;
CPropertySetStorage::Init( static_cast<IStorage*>(this), /*IBlockingLock*/NULL, FALSE ); // fControlLifetimes (=> don't AddRef)
}
//+---------------------------------------------------------------------------
//
// Member: CSimpStorage::~CSimpStorage, public
//
// Synopsis: Destructor
//
// History: 04-Aug-94 PhilipLa Created
//
//----------------------------------------------------------------------------
inline CSimpStorage::~CSimpStorage(){ if (_pbBuf != NULL) delete _pbBuf; while (_pdfl != NULL) { CDfNameList *pdfl = _pdfl; _pdfl = pdfl->GetNext(); delete pdfl; }}
SCODE DfCreateSimpDocfile(WCHAR const *pwcsName, DWORD grfMode, DWORD reserved, IStorage **ppstgOpen);
SCODE DfOpenSimpDocfile(WCHAR const *pwcsName, DWORD grfMode, DWORD reserved, IStorage **ppstgOpen);
//+---------------------------------------------------------------------------
//
// Class: CSimpStorageOpen
//
// Purpose: allow simple mode reads
//
// Interface: IStorage, IMarshal
//
// History: 04-Aug-96 HenryLee Created
//
// Notes: overrides CSimpStorage methods
//
//----------------------------------------------------------------------------
class CSimpStorageOpen : public CSimpStorage{public: inline CSimpStorageOpen(); inline ~CSimpStorageOpen(); inline void ReleaseCurrentStream();
SCODE Init(WCHAR const *pwcsName, DWORD grfMode, SSimpDocfileHints *psdh); SCODE ValidateHeader (CMSFHeader &hdr); SCODE ValidateDirectory (BYTE *pByte, ULONG ulDirLength); SCODE ValidateFat (SECT *pSect, ULONG ulFatLength); SCODE ValidateDIFat (SECT *pSect, ULONG ulDIFatLength, SECT sectStart);
STDMETHOD_(ULONG,Release)(void); // override virtual function
STDMETHOD(Stat)(STATSTG *pstatstg, DWORD grfStatFlag); STDMETHOD(OpenStream)(OLECHAR const *pwcsName, void *reserved1, DWORD grfMode, DWORD reserved2, IStream **ppstm); STDMETHOD(CreateStream)(OLECHAR const *pwcsName, DWORD grfMode, DWORD reserved1, DWORD reserved2, IStream **ppstm); STDMETHOD(EnumElements)(DWORD reserved1, void *reserved2, DWORD reserved3, IEnumSTATSTG **ppenm); STDMETHOD(SetClass)(REFCLSID clsid);protected: DWORD _grfMode; DWORD _grfStateBits; WCHAR _awcsName[MAX_PATH];};
//+---------------------------------------------------------------------------
//
// Member: CSimpStorageOpen::CSimpStorageOpen, public
//
// Synopsis: Constructor
//
// History: 04-May-96 HenryLee Created
//
//----------------------------------------------------------------------------
inline CSimpStorageOpen::CSimpStorageOpen(){}
//+---------------------------------------------------------------------------
//
// Member: CSimpStorageOpen::~CSimpStorageOpen, public
//
// Synopsis: Destructor
//
// History: 04-May-96 HenryLee Created
//
//----------------------------------------------------------------------------
inline CSimpStorageOpen::~CSimpStorageOpen(){}
//+---------------------------------------------------------------------------
//
// Member: CSimpStorageOpen::ReleaseCurrentStream, public
//
// Synopsis: releases current stream so other opens can occur
//
// History: 04-May-96 HenryLee Created
//
//----------------------------------------------------------------------------
inline void CSimpStorageOpen::ReleaseCurrentStream(){ _pdflCurrent = NULL;}
//+---------------------------------------------------------------------------
//
// Class: CSimpEnumSTATSTG
//
// Purpose: allow simple mode read enumeration
//
// Interface: IEnumSTATSTG
//
// History: 04-Aug-96 HenryLee Created
//
// Notes: Skip is not supported
//
//----------------------------------------------------------------------------
class CSimpEnumSTATSTG : public IEnumSTATSTG{public:
inline CSimpEnumSTATSTG (CDfNameList *pdfl, CDfNameList *pdflCurrent); inline ~CSimpEnumSTATSTG ();
STDMETHOD(QueryInterface)(REFIID iid, void **ppvObj); STDMETHOD_(ULONG,AddRef)(void); STDMETHOD_(ULONG,Release)(void); STDMETHOD(Next)(ULONG celt, STATSTG FAR *rgelt, ULONG *pceltFetched); STDMETHOD(Skip)(ULONG celt); STDMETHOD(Reset)(void); STDMETHOD(Clone)(IEnumSTATSTG **ppenm);
protected:
ULONG _cReferences; CDfNameList *_pdfl; CDfNameList *_pdflCurrent;};
//+---------------------------------------------------------------------------
//
// Member: CSimpEnumSTATSTG::CSimpEnumSTATSTG, public
//
// Synopsis: Constructor
//
// History: 04-May-96 HenryLee Created
//
//----------------------------------------------------------------------------
inline CSimpEnumSTATSTG::CSimpEnumSTATSTG (CDfNameList *pdfl, CDfNameList *pdflCurrent) : _pdfl(pdfl), _pdflCurrent(pdflCurrent), _cReferences(1){}
//+---------------------------------------------------------------------------
//
// Member: CSimpEnumSTATSTG::~CSimpEnumSTATSTG, public
//
// Synopsis: Destructor
//
// History: 04-May-96 HenryLee Created
//
//----------------------------------------------------------------------------
inline CSimpEnumSTATSTG::~CSimpEnumSTATSTG (){}
#define SIMP_VALIDATE(x) if (FAILED(sc = CExpParameterValidate::x)) {simpDebugOut((DEB_ERROR, "Error %lX at %s:%d\n", sc, __FILE__, __LINE__)); return sc;}
#endif // #ifndef __SIMPDF_HXX__
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