152 lines
3.6 KiB
C++
152 lines
3.6 KiB
C++
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//+---------------------------------------------------------------------------
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//
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// Microsoft Windows
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// Copyright (C) Microsoft Corporation, 1992 - 1994.
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//
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// File: simpstm.hxx
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//
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// Contents: CSimpStream class
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//
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// Classes:
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//
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// Functions:
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//
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// History: 04-Aug-94 PhilipLa Created
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//
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//----------------------------------------------------------------------------
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#ifndef __SIMPSTM_HXX__
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#define __SIMPSTM_HXX__
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//+---------------------------------------------------------------------------
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//
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// Class: CSimpStream
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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: 04-Aug-94 PhilipLa Created
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//
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// Notes:
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//
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//----------------------------------------------------------------------------
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interface CSimpStream: public IStream
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{
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public:
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inline CSimpStream();
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inline ~CSimpStream();
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SCODE Init(CSimpStorage *pstgParent, HANDLE hFile, ULONG ulSeekStart);
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// From 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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// New methods
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STDMETHOD(Read)(VOID HUGEP *pv,
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ULONG cb,
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ULONG *pcbRead);
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STDMETHOD(Write)(VOID const HUGEP *pv,
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ULONG cb,
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ULONG *pcbWritten);
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STDMETHOD(Seek)(LARGE_INTEGER dlibMove,
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DWORD dwOrigin,
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ULARGE_INTEGER *plibNewPosition);
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STDMETHOD(SetSize)(ULARGE_INTEGER cb);
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STDMETHOD(CopyTo)(IStream *pstm,
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ULARGE_INTEGER cb,
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ULARGE_INTEGER *pcbRead,
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ULARGE_INTEGER *pcbWritten);
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STDMETHOD(Commit)(DWORD grfCommitFlags);
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STDMETHOD(Revert)(void);
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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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STDMETHOD(Clone)(IStream **ppstm);
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// IMarshal
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STDMETHOD(GetUnmarshalClass)(REFIID riid,
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LPVOID pv,
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DWORD dwDestContext,
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LPVOID pvDestContext,
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DWORD mshlflags,
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LPCLSID pCid);
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STDMETHOD(GetMarshalSizeMax)(REFIID riid,
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LPVOID pv,
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DWORD dwDestContext,
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LPVOID pvDestContext,
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DWORD mshlflags,
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LPDWORD pSize);
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STDMETHOD(MarshalInterface)(IStream *pStm,
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REFIID riid,
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LPVOID pv,
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DWORD dwDestContext,
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LPVOID pvDestContext,
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DWORD mshlflags);
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STDMETHOD(UnmarshalInterface)(IStream *pStm,
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REFIID riid,
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LPVOID *ppv);
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STDMETHOD(ReleaseMarshalData)(IStream *pStm);
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STDMETHOD(DisconnectObject)(DWORD dwReserved);
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private:
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LONG _cReferences;
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LONG _ulSeekStart;
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#ifdef SECURE_SIMPLE_MODE
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ULONG _ulSeekPos;
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ULONG _ulHighWater;
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#if DBG == 1
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void CheckSeekPointer(void);
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#endif // DBG
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#endif // SECURE_SIMPLE_MODE
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CSimpStorage *_pstgParent;
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HANDLE _hFile;
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};
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//+---------------------------------------------------------------------------
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//
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// Member: CSimpStream::CSimpStream, public
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//
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// Synopsis: Constructor
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//
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// History: 04-Aug-94 PhilipLa Created
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//
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//----------------------------------------------------------------------------
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inline CSimpStream::CSimpStream()
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{
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_cReferences = 0;
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_ulSeekStart = 0;
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_pstgParent = NULL;
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_hFile = NULL;
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}
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//+---------------------------------------------------------------------------
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//
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// Member: CSimpStream::~CSimpStream, public
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//
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// Synopsis: Destructor
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//
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// History: 04-Aug-94 PhilipLa Created
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//
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//----------------------------------------------------------------------------
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inline CSimpStream::~CSimpStream()
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{
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}
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#endif // #ifndef __SIMPSTM_HXX__
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