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139 lines
3.6 KiB
139 lines
3.6 KiB
//+---------------------------------------------------------------------------
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//
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// Microsoft Windows
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// Copyright (C) Microsoft Corporation, 1992 - 1996.
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//
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// File: laylkb.hxx
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//
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// Contents: Layout ILockBytes class for layout docfile
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//
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// Classes: CLayoutLockBytes
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//
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// Functions:
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//
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// History: 19-Feb-96 SusiAa Created
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//
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//----------------------------------------------------------------------------
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#ifndef __LAYOUTLKB_HXX__
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#define __LAYOUTLKB_HXX__
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//+---------------------------------------------------------------------------
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//
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// Class: CLayoutLockBytes
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//
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// Purpose:
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//
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// Interface:
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//
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// History: 21-Feb-96 SusiA Created
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//
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// Notes:
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//
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//----------------------------------------------------------------------------
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class CLayoutLockBytes: public ILockBytes
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{
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public:
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CLayoutLockBytes();
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~CLayoutLockBytes();
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SCODE Init(OLECHAR const *pwcsName, DWORD grfMode);
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// IUnknown
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STDMETHOD(QueryInterface)(REFIID iid, void **ppvObj);
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STDMETHOD_(ULONG, AddRef)(void);
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STDMETHOD_(ULONG, Release)(void);
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// ILockBytes
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STDMETHOD(ReadAt)(ULARGE_INTEGER ulOffset,
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VOID HUGEP *pv,
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ULONG cb,
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ULONG *pcbRead);
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STDMETHOD(WriteAt)(ULARGE_INTEGER ulOffset,
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VOID const HUGEP *pv,
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ULONG cb,
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ULONG *pcbWritten);
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STDMETHOD(Flush)(void);
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STDMETHOD(SetSize)(ULARGE_INTEGER cb);
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STDMETHOD(LockRegion)(ULARGE_INTEGER libOffset,
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ULARGE_INTEGER cb,
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DWORD dwLockType);
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STDMETHOD(UnlockRegion)(ULARGE_INTEGER libOffset,
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ULARGE_INTEGER cb,
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DWORD dwLockType);
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STDMETHOD(Stat)(STATSTG *pstatstg, DWORD grfStatFlag);
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inline HANDLE GetHandle(void);
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inline TCHAR *GetScriptName(void);
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inline void ClearScriptName(void);
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SCODE StartLogging(void);
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SCODE StopLogging(void);
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private:
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LONG _cReferences;
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BOOL _fLogging;
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ULONG _cbSectorShift;
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DWORD _grfMode;
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TCHAR _atcScriptName[MAX_PATH + 1];
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HANDLE _hScript;
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OLECHAR _awcName[MAX_PATH + 1];
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HANDLE _h;
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BOOL _fCSInitialized;
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CRITICAL_SECTION _cs;
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};
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//+---------------------------------------------------------------------------
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//
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// Member: CLayoutLockBytes::GetHandle, public
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//
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// Synopsis: Return the file handle for this ILockBytes
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//
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// Arguments: None
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//
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// Returns: File Handle
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//
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// History: 20-Feb-96 SusiA Created
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//
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//----------------------------------------------------------------------------
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inline HANDLE CLayoutLockBytes::GetHandle(void)
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{
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return _h;
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}
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//+---------------------------------------------------------------------------
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//
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// Member: CLayoutLockBytes::GetScriptName, public
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//
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// Returns: Pointer to script name
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//
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// History: 24-Feb-96 SusiA Created
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//
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//----------------------------------------------------------------------------
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inline TCHAR * CLayoutLockBytes::GetScriptName(void)
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{
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return _atcScriptName;
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}
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//+---------------------------------------------------------------------------
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//
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// Member: CLayoutLockBytes::ClearScriptName, public
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//
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// Returns: Pointer to script name
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//
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// History: 24-Feb-96 SusiA Created
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//
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//----------------------------------------------------------------------------
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inline void CLayoutLockBytes::ClearScriptName(void)
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{
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_atcScriptName[0] = TEXT('\0');
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}
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#endif // #ifndef __FILELKB_HXX__
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