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xmlcodecbase.h

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/***************************************************************************
    xmlcodecbase.h  -  Definition of XmlCodecBase class
                             -------------------
    begin                : June 21 2002
    copyright            : (C) 2003 by Vojtìch Toman
    email                : vtoman@lit.cz
 ***************************************************************************/

/***************************************************************************
 *                                                                         *
 *   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     *
 *   (at your option) any later version.                                   *
 *                                                                         *
 ***************************************************************************/


#ifndef XMLCODECBASE_H
#define XMLCODECBASE_H


#include "defs.h"
#include "options.h"
#include "iodevice.h"
#include "textcodec.h"
#include "saxreceptor.h"



enum XmlCoderType
{
  UnknownCoder,

  PullCoder,

  PushCoder
};




class XmlCodecBase : public UserOfTextCodec
{
public:
  XmlCodecBase(void) : UserOfTextCodec() { coderType = UnknownCoder; }

  virtual ~XmlCodecBase(void) {}
  
  virtual bool encode(IODevice *inDevice, IODevice *outDevice) = 0;

  virtual void initializePushCoder(IODevice *outDevice) = 0;

  virtual bool encodePush(const char *data, int length, bool isFinal = false) = 0;

  virtual bool decode(IODevice *inDevice, SAXReceptor *receptor, void *userData = 0) = 0;

protected:
  XmlCoderType coderType;
};


#endif //XMLCODECBASE_H

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