dictionary.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: Dictionary.h,v 1.14.2.2 2004/07/07 12:04:47 mike Exp $
 * 
 */

#if !defined(AFX_DICTIONARY_H__C28A6875_F537_4ED2_9B6B_1B37FDC74AAD__INCLUDED_)
#define AFX_DICTIONARY_H__C28A6875_F537_4ED2_9B6B_1B37FDC74AAD__INCLUDED_

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

// Dictionary interface
class IDict {
public:
  virtual ~IDict() { }

  virtual int	  NumWords() = 0;
  virtual Buffer<wchar_t> GetWordW(int index) = 0;
  virtual bool	  Find(const wchar_t *word,int& index,int& found) = 0;
  virtual bool	  Valid() = 0;
  virtual int	  GetStartPofWord(int index) = 0;
  virtual int	  GetWordFromP(int para) = 0;
  virtual int	  GetNumP() = 0;

  CString	  GetWord(int index);

  static IDict	*Create(const CString& filename,CString *errmsg=NULL);

  enum { SIGSIZE=4 };

  class DictInit {
    DictInit	      *m_next;
    char	      m_sig[SIGSIZE];
    IDict	      *(*m_create)(RFile *fp);
    static DictInit   *m_head;
    friend class IDict;
  protected:
    DictInit(const char *sig,IDict *(*create)(RFile *fp));
  };
};

class DictParser: public TextParser {
	kilo::auto_ptr<IDict>	m_dict;
  DictParser(kilo::auto_ptr<IDict> dict) : TextParser(NULL,NULL,NULL,NULL), m_dict(dict) { }
  Buffer<wchar_t>	GetParagraphImp(int para,bool& isfirst);
public:

  // paragraphs
  virtual Paragraph	GetParagraph(int docid,int para);
  virtual int		GetPLength(int docid,int para);
  virtual int		Length(int docid) { return m_dict->GetNumP(); }

  virtual int		GetPStart(int docid,int para) { return para; }
  virtual int		GetTotalLength(int docid) { return Length(docid); }
  virtual int		LookupParagraph(int docid,int charpos) { return charpos; }

  // links
  virtual bool		LookupReference(const wchar_t *rname,FilePos& dest);

  // create
  static DictParser	*OpenDict(const CString& path,CString *errmsg=NULL);
};

#endif // !defined(AFX_DICTIONARY_H__C28A6875_F537_4ED2_9B6B_1B37FDC74AAD__INCLUDED_)