pdbfile.h

俄罗斯人开发的大名鼎鼎的Pocket Pc 阅读器haaliread的源代码,visual c

/*
 * Copyright (c) 2001,2002,2003 Mike Matsnev.  All Rights Reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1. Redistributions of source code must retain the above copyright
 *    notice immediately at the beginning of the file, without modification,
 *    this list of conditions, and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. Absolutely no warranty of function or purpose is made by the author
 *    Mike Matsnev.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 * 
 * $Id: PDBFile.h,v 1.6.4.2 2004/07/07 12:04:47 mike Exp $
 * 
 */


#if !defined(AFX_PDBFILE_H__777AC4E9_AB31_44B8_9A41_80B433927455__INCLUDED_)
#define AFX_PDBFILE_H__777AC4E9_AB31_44B8_9A41_80B433927455__INCLUDED_

#if _MSC_VER > 1000
#pragma once
#endif // _MSC_VER > 1000

#include "RFile.h"

// TODO: the decoder is twice slower when block sizes do not evenly divide
// BSZ
class PDBFile : public RFile
{
public:
  PDBFile(const CString& fn);

  // generic file operations
  virtual DWORD	  size() { return m_length; }
  virtual DWORD	  read(void *buf);
  virtual void	  seek(DWORD pos);

  // compression
  virtual CString CompressionInfo();

  // check if this is a pdb file
  static bool	  IsPDB(RFile *fp);
protected:
  DWORD		  m_length;
  DWORD		  m_ptr;
  DWORD		  m_rsz;
  bool		  m_comp;
  struct Rec {
    DWORD   usize;
    DWORD   uoff;
    DWORD   off;
    DWORD   csize;
  };
  Buffer<Rec>	  m_blocks;

  static bool	  CheckPDB(RFile *fp,struct PDBHdr&,struct PDBRec0&);
  int		  findblock(DWORD uoff);
};

#endif // !defined(AFX_PDBFILE_H__777AC4E9_AB31_44B8_9A41_80B433927455__INCLUDED_)