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#pragma once
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namespace NFile
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{
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class CFileEx
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{
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public:
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CFileEx(CFile* pFile);
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virtual ~CFileEx(void);
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virtual BOOL Open(LPCTSTR lpszFileName, UINT nOpenFlags);
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virtual void Close();
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virtual UINT ReadString(char* pBuffer, UINT nMaxSize); //<2F><>ȡһ<C8A1><D2BB><EFBFBD>ַ<EFBFBD><D6B7><EFBFBD>
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virtual UINT GetString(char* pBuffer, UINT nMaxSize); //<2F><>ȡһ<C8A1><D2BB><EFBFBD>ַ<EFBFBD><D6B7><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Կո<D4BF><D5B8><EFBFBD><EFBFBD>س<EFBFBD>Ϊ<EFBFBD><CEAA>ֹ<EFBFBD><D6B9><EFBFBD><EFBFBD>
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virtual UINT Read(void *buffer, UINT nCount);
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virtual void Write(const void *buffer, UINT nCount);
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virtual void Flush();
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//SEEK_SET //<2F><>ʼ
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//SEEK_CUR //<2F><>ǰ
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//SEEK_END //<2F><><EFBFBD><EFBFBD>
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virtual ULONGLONG Seek(LONGLONG offset, UINT origin);
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virtual void SeekToBegin( );
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virtual void SeekToEnd( );
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virtual ULONGLONG GetPosition();
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virtual ULONGLONG GetLength();
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virtual BOOL IsEof();
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virtual CString GetFileName();
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protected:
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BOOL m_bCloseFile;
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CFile* m_pFile;
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};
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//<2F><>ȡ<EFBFBD>ڴ洮<DAB4><E6B4AE><EFBFBD><EFBFBD>
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class CMemFileEx : public CFileEx
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{
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public:
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CMemFileBase(void);
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CMemFileBase(BYTE* pBuffer, DWORD nSize);
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virtual ~CMemFileBase(void);
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virtual BOOL Open(void); //<2F>Զ<EFBFBD><D4B6><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ڴ<EFBFBD>
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virtual BOOL Open(LPCTSTR lpszFileName, UINT nOpenFlags); //û<><C3BB>ʹ<EFBFBD><CAB9>
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virtual void Close();
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virtual UINT Read(void *buffer, UINT nCount);
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virtual UINT Write(const void *buffer, UINT nCount);
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virtual void Flush();
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virtual BOOL Seek(long offset, int origin);
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virtual void SeekToBegin( );
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virtual void SeekToEnd( );
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virtual long GetPosition();
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virtual long GetLength();
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virtual BOOL IsEof();
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virtual CString GetFileName();
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void SetBuffer(BYTE* pBuffer, UINT nSize);
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BYTE* GetBuffer(BOOL bDetachBuffer);
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protected:
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void Alloc(DWORD nBytes);
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BYTE* m_pBuffer;
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UINT m_nSize;
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BOOL m_bFreeOnClose;
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long m_Position; //current position
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};
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//<2F><><EFBFBD><EFBFBD><EFBFBD>ļ<EFBFBD>ӳ<EFBFBD><D3B3><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ļ<EFBFBD>
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class CMapFileBase : public CMemFileBase
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{
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public:
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CMapFileBase(void);
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virtual ~CMapFileBase(void);
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};
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};
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using namespace NFile;
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