135 lines
4.1 KiB
C++
135 lines
4.1 KiB
C++
//+---------------------------------------------------------------------------
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//
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// Microsoft Windows
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// Copyright (C) Microsoft Corporation, 1992 - 1993.
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//
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// File: ofilstg.hxx
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//
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// Contents: COfsFileStorage header
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//
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// Classes: COfsFileStorage
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//
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// History: 28-Jun-93 DrewB Created
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//
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// Notes: Non-OFS
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//
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//----------------------------------------------------------------------------
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#ifndef __FILSTG_HXX__
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#define __FILSTG_HXX__
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//+---------------------------------------------------------------------------
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//
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// Class: COfsFileStorage (fs)
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//
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// Purpose: Implements IStorage for a file
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//
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// Interface: See below
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//
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// History: 28-Jun-93 DrewB Created
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//
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//----------------------------------------------------------------------------
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interface COfsFileStorage
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: INHERIT_TRACKING,
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public IStorage,
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public INativeFileSystem
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{
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public:
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COfsFileStorage(void);
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SCODE InitFromPath(HANDLE hParent,
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WCHAR const *pwcsName,
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DWORD grfMode,
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CREATEOPEN co,
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LPSECURITY_ATTRIBUTES pssSecurity);
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SCODE InitFromHandle(HANDLE h, DWORD grfMode);
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~COfsFileStorage(void);
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// IUnknown
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STDMETHOD(QueryInterface)(REFIID iid, void **ppvObj);
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DECLARE_STD_REFCOUNTING;
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// IStorage
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STDMETHOD(CreateStream)(WCHAR const *pwcsName,
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DWORD grfMode,
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DWORD reserved1,
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DWORD reserved2,
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IStream **ppstm);
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STDMETHOD(OpenStream)(WCHAR const *pwcsName,
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void *reserved1,
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DWORD grfMode,
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DWORD reserved2,
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IStream **ppstm);
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STDMETHOD(CreateStorage)(WCHAR const *pwcsName,
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DWORD grfMode,
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DWORD stgType,
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LPSTGSECURITY pssSecurity,
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IStorage **ppstg);
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STDMETHOD(OpenStorage)(WCHAR const *pwcsName,
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IStorage *pstgPriority,
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DWORD grfMode,
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SNB snbExclude,
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DWORD reserved,
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IStorage **ppstg);
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STDMETHOD(CopyTo)(DWORD ciidExclude,
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IID const *rgiidExclude,
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SNB snbExclude,
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IStorage *pstgDest);
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STDMETHOD(MoveElementTo)(WCHAR const *lpszName,
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IStorage *pstgDest,
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WCHAR const *lpszNewName,
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DWORD grfFlags);
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STDMETHOD(Commit)(DWORD grfCommitFlags);
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STDMETHOD(Revert)(void);
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STDMETHOD(EnumElements)(DWORD reserved1,
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void *reserved2,
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DWORD reserved3,
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IEnumSTATSTG **ppenm);
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STDMETHOD(DestroyElement)(WCHAR const *pwcsName);
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STDMETHOD(RenameElement)(WCHAR const *pwcsOldName,
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WCHAR const *pwcsNewName);
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STDMETHOD(SetElementTimes)(const WCHAR *lpszName,
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FILETIME const *pctime,
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FILETIME const *patime,
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FILETIME const *pmtime);
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STDMETHOD(SetClass)(REFCLSID clsid);
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STDMETHOD(SetStateBits)(DWORD grfStateBits, DWORD grfMask);
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STDMETHOD(Stat)(STATSTG *pstatstg, DWORD grfStatFlag);
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STDMETHOD(GetHandle(HANDLE *ph));
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protected:
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inline SCODE Validate(void) const;
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virtual SCODE ExtValidate(void);
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SCODE ValidateMode(DWORD grfMode);
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ULONG _sig;
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DWORD _grfMode;
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NuSafeNtHandle _h;
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};
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SAFE_INTERFACE_PTR(SafeCOfsFileStorage, COfsFileStorage);
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#define COFSFILESTORAGE_SIG LONGSIG('O', 'F', 'S', 'G')
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#define COFSFILESTORAGE_SIGDEL LONGSIG('O', 'f', 'S', 'g')
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//+--------------------------------------------------------------
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//
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// Member: COfsFileStorage::Validate, private
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//
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// Synopsis: Validates the class signature
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//
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// Returns: Returns STG_E_INVALIDHANDLE for failure
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//
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// History: 28-Jun-93 DrewB Created
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//
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//---------------------------------------------------------------
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inline SCODE COfsFileStorage::Validate(void) const
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{
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return (this == NULL || _sig != COFSFILESTORAGE_SIG) ?
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STG_E_INVALIDHANDLE : S_OK;
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}
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#endif // #ifndef __FILSTG_HXX__
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