60 lines
1.2 KiB
C
60 lines
1.2 KiB
C
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#ifndef __INC_MAPPEDFILE_H__
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#define __INC_MAPPEDFILE_H__
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#include "lzo.h"
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#include "FileBase.h"
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class CMappedFile : public CFileBase
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{
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public:
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enum ESeekType
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{
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SEEK_TYPE_BEGIN,
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SEEK_TYPE_CURRENT,
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SEEK_TYPE_END
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};
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public:
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CMappedFile();
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virtual ~CMappedFile();
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void Link(DWORD dwBufSize, const void* c_pvBufData);
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BOOL Create(const char* filename);
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BOOL Create(const char* filename, const void** dest, int offset, int size);
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LPCVOID Get();
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void Destroy();
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int Seek(DWORD offset, int iSeekType = SEEK_TYPE_BEGIN);
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int Map(const void **dest, int offset=0, int size=0);
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DWORD Size();
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DWORD GetPosition();
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BOOL Read(void* dest, int bytes);
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DWORD GetSeekPosition();
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void BindLZObject(CLZObject * pLZObj);
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void BindLZObjectWithBufferedSize(CLZObject * pLZObj);
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BYTE* AppendDataBlock( const void* pBlock, DWORD dwBlockSize );
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BYTE * GetCurrentSeekPoint();
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private:
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void Unmap(LPCVOID data);
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private:
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BYTE* m_pbBufLinkData;
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DWORD m_dwBufLinkSize;
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BYTE* m_pbAppendResultDataBlock;
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DWORD m_dwAppendResultDataSize;
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DWORD m_seekPosition;
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HANDLE m_hFM;
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DWORD m_dataOffset;
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DWORD m_mapSize;
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LPVOID m_lpMapData;
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LPVOID m_lpData;
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CLZObject * m_pLZObj;
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};
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#endif
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