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// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 2 of the License, or
// any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
//
#include "jintypes.h"
#include "cgenfile.h"
#ifndef __CPREFILE_H__
#define __CPREFILE_H__
class CPreFile : public CGenFile
{
public:
CPreFile();
~CPreFile();
BOOL Open( CGenFile*, int );
BOOL Read( void*, int, int* = NULL );
BOOL Write( void*, int, int* = NULL );
BOOL Seek( long, int );
long GetLength() { return m_lLength; };
DWORD GetLastError() { return m_dwLastError; };
void Close();
private:
BOOL PreRead();
BOOL m_bOpened;
DWORD m_dwLastError;
long m_lCacheStartOffset;
long m_lCacheEndOffset;
long m_lLength;
BYTE* m_pbtCache;
long m_lCacheLen;
CGenFile* m_pcf;
};
#endif //__CPreFILE_H__
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