116 lines
2.6 KiB
C
116 lines
2.6 KiB
C
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// Copyright 1997-1997 Microsoft Corporation. All Rights Reserved.
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#if _MSC_VER > 1000
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#pragma once
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#endif
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#ifndef _FS_H_
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#define _FS_H_
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#include <unknwn.h>
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#include "msitstg.h"
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#ifdef ReleaseObjPtr
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#undef ReleaseObjPtr
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#endif
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#define ReleaseObjPtr(pObj) \
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{ \
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if( pObj ) \
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{ \
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pObj->Release(); \
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pObj= NULL; \
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} \
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}
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//
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// Sub-File System
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//
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class CSubFileSystem
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{
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public:
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CSubFileSystem(class CFileSystem* pfs);
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~CSubFileSystem();
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HRESULT CreateSub(PCSTR pszPathName);
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HRESULT CreateUncompressedSub(PCSTR pszPathName);
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HRESULT OpenSub(PCSTR pszPathName, DWORD dwAccess = (STGM_READ | STGM_SHARE_DENY_WRITE));
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ULONG WriteSub(const void* pData, int cb);
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ULONG SeekSub(int cb, int iOrigin);
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HRESULT CreateSystemFile(PCSTR pszPathName);
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HRESULT CreateUncompressedSystemFile(PCSTR pszPathName);
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HRESULT SetSize(unsigned uSize);
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HRESULT DeleteSub() ;
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inline HRESULT ReadSub(void* pData, ULONG cb, ULONG* pcbRead) {
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return m_pStream->Read(pData, cb, pcbRead);
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}
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inline ULONG GetUncompressedSize(void) { return SeekSub(0,2); }
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inline HRESULT Stat(STATSTG *pstatstg, DWORD grfStatFalg)
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{
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return m_pStream->Stat(pstatstg,grfStatFalg);
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}
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inline HRESULT CopyTo(IStream* pstm, ULARGE_INTEGER cb, ULARGE_INTEGER *pcbRead, ULARGE_INTEGER* pcbWritten)
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{
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return m_pStream->CopyTo(pstm, cb, pcbRead, pcbWritten);
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}
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inline IStream * GetStream(void)
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{
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return m_pStream;
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}
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inline IStorage* GetITStorageDocObj(void) const
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{
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return m_pStorage;
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}
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private:
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class CFileSystem* m_pFS;
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IStorage* m_pStorage;
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IStream* m_pStream;
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char m_szPathName[MAX_PATH]; // Needed for delete.
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};
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//
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// File System
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//
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class CFileSystem
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{
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friend class CSubFileSystem;
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public:
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CFileSystem();
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~CFileSystem();
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HRESULT Init(void);
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HRESULT Create( PCSTR pszPathName );
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HRESULT CreateUncompressed( PCSTR pszPathName );
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HRESULT Open( PCSTR pszPathName, DWORD dwAccess = (STGM_READ | STGM_SHARE_DENY_WRITE));
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HRESULT Compact(LPCSTR lpszFileName);
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HRESULT Close(void);
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inline HRESULT GetPathName( LPSTR pszPathName ) { strcpy(pszPathName, m_szPathName); return S_OK; }
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inline IITStorage* GetITStorageObj(void) const
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{
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return m_pITStorage;
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}
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inline IStorage* GetITStorageDocObj(void) const
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{
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return m_pStorage;
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}
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private:
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IITStorage* m_pITStorage;
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IStorage* m_pStorage;
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char m_szPathName[MAX_PATH];
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};
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#endif // _FS_H_
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