bookmarks.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: Bookmarks.h,v 1.23.2.2 2003/12/17 12:20:39 mike Exp $
 * 
 */


#if !defined(AFX_BOOKMARKS_H__BEA3E1C9_F320_44CA_A735_A38A811FD7CB__INCLUDED_)
#define AFX_BOOKMARKS_H__BEA3E1C9_F320_44CA_A735_A38A811FD7CB__INCLUDED_

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

#include "FilePos.h"
class TextFile;

class Bookmarks {
public:
  enum {
    BMK=1,
    BMNEW=2,
    BMDEL=4,
    BMCHG=8
  };
  enum {
    SPREVCH=0,
    SNEXTCH=1,
    SPREVANY=2,
    SNEXTANY=3,
    SNEXTICH=4,
    SPREVBMK=5,
  };
private:
  struct BE {
    CString   text;
    FilePos   ref;
    FilePos   text_ref;
    DWORD     flags;
    int	      level;
    CString   *tmp;
  };
public:
  Bookmarks(const CString& filename);
  ~Bookmarks();

  // access
  int	GetSize() { return m_bmk.GetSize(); }
  int	Level(int idx) { return m_bmk[idx].level; }
  int	Flags(int idx) { return m_bmk[idx].flags; }
  FilePos Ref(int idx) { return m_bmk[idx].ref; }
  CString Text(int idx,TextFile *parser);

  // modification
  int	Add(const CString& text,FilePos pos) { return AddImp(0,0,0,&text,pos,BMK,-1); }
  int	AddTocEnt(int para_start,int para_count,int docid,FilePos pos,int level) {
    return AddImp(para_start,para_count,docid,NULL,pos,0,level);
  }
  void	Remove(int index);
  void	Change(int index,const CString& text);
  int	Commit(int cidx);
  void	Rollback();

  int	UserBookmarks();

  int	Encoding() { return m_encoding; }
  int	Format() { return m_format; }
  FilePos StartPos() { return m_startpos; }
  void	SetFormat(int fmt) { if (m_format!=fmt) m_changed=true; m_format=fmt; }
  void	SetEncoding(int enc) { if (m_encoding!=enc) m_changed=true; m_encoding=enc; }
  void	SetStartPos(FilePos p) { if (p!=m_startpos) m_changed=true; m_startpos=p; }
  int	BFind(FilePos p,int type);
  bool	BookmarksInRange(FilePos start,FilePos end);
  bool	BookmarkFind(FilePos& start,FilePos end);

  void	SaveToRegistry();
  void	LoadFromRegistry();
  static void	CleanupRegistry(int max_count);
  bool	SaveInfo();

  static CString  find_last_file();
  static void	  get_recent_files(CStringArray& fl,int num,FILETIME& toptime);

  void	NormalizeLevels();
  int	NumTopMarks() { return m_topbmk; }
  int	NumBookmarks() { return m_ubmk; }

  // export/import
  static bool	  ExportAllBookmarks(const CString& destfile);

private:
  CArray<BE,BE&>  m_bmk;
  int		  m_format;
  int		  m_encoding;
  FilePos	  m_startpos;
  CString	  m_filename;
  CString	  m_shortname;
  bool		  m_changed;
  int		  m_topbmk;
  int		  m_ubmk;

  void		  Check(int index) { ASSERT(index>=0 && index<m_bmk.GetSize()); }
  int		  AddImp( int para_start,int para_count,int docid,
			  const CString *text,
			  FilePos pos,DWORD flags,int level);
};

#endif // !defined(AFX_BOOKMARKS_H__BEA3E1C9_F320_44CA_A735_A38A811FD7CB__INCLUDED_)