85 lines
2.7 KiB
C++
85 lines
2.7 KiB
C++
// Copyright 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 _FSCLIENT_H_
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#define _FSCLIENT_H_
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//#include "msitstg.h"
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#include "fs.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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class CFSClient
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{
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public:
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CFSClient();
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CFSClient(CFileSystem* pFS, PCSTR pszSubFile);
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~CFSClient();
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BOOL Initialize(PCSTR pszCompiledFile);
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void Initialize(CFileSystem* pFS) { m_pFS = pFS; m_fNoDeleteFS = TRUE; }
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HRESULT OpenStream(PCSTR pszFile, DWORD dwAccess = STGM_READ);
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BOOL isStreamOpen() { return m_pSubFS != NULL; }
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// ********** Internal stream functions **********
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HRESULT Read(void* pDst, const ULONG cbRead, ULONG* pcbRead);
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ULONG Read(PBYTE pbDest, ULONG cbBytes); // stream read
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HRESULT doRead(void* pbDst, ULONG cbBytes) {
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if (Read((PBYTE) pbDst, cbBytes) == cbBytes)
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return S_OK;
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else
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return STG_E_READFAULT;
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}
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int tell(void) const { return m_lFileBuf + (int)(m_pCurBuf - m_pbuf); };
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HRESULT seek(int pos, SEEK_TYPE seek = SK_SET);
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// ********** End Internal stream functions **********
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void CloseStream(void);
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ULONG GetElementStat() { return GetElementStat(1, &m_Stat); }
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ULONG GetElementStat(IEnumSTATSTG* pEnum, STATSTG* pStat) { return GetElementStat(1, pStat, pEnum); }
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ULONG GetElementStat(ULONG nNumber, STATSTG* stat, IEnumSTATSTG* pEnum = NULL);
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LPWSTR GetStatName() const { return m_Stat.pwcsName; }
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DWORD GetStatType() const { return m_Stat.type; }
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void WriteStorageContents(PCSTR pszRootFolder, OLECHAR* wszFSName);
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// void WaitForReadAhead(void);
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void ReadBuf(void);
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ULONG SeekSub(int cb, int iOrigin) {
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ASSERT(m_pSubFS);
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return m_pSubFS->SeekSub(cb, iOrigin); }
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STATSTG m_Stat;
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IEnumSTATSTG* m_pEnum;
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CFileSystem* m_pFS;
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CSubFileSystem* m_pSubFS;
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PBYTE m_pCurBuf; // current position in the buffer
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PBYTE m_pEndBuf; // last position in buffer
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BOOL m_fEndOfFile;
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int m_lFilePos; // position in the file
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int m_lFileBuf; // file position at first of buffer
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PBYTE m_pbuf; // address of allocated buffer
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int m_cbBuf; // buffer size
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int m_cThrdRead; // result from read-ahead thread
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HANDLE m_hthrd;
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DWORD m_idThrd;
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BOOL m_fDualCPU;
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BOOL m_fNoDeleteFS;
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};
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#endif // _FSCLIENT_H_
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