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xmlmodelbase.h

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/***************************************************************************
    xmlmodelbase.h  -  Definition of XmlModelBase 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 XMLMODELBASE_H
#define XMLMODELBASE_H

#include "defs.h"
#include "encodings.h"
#include "grammarbase.h"
#include "hashtable.h"
#include "list.h"
#include "queue.h"
#include "textcodec.h"
#include "xmlmodelevents.h"
#include "saxemitter.h"
#include "funneldevice.h"






#define XML_MODEL_BUFFER_DEFAULT_SIZE           1024




enum DataQueueItemType
{
  Number,

  Characters,

  CharactersLength
};


struct DataQueueItem
{
  DataQueueItemType type;

  XmlChar *data;

  union
  {
    int length;

    int value;
  };
};


typedef Queue<DataQueueItem> DataQueue;


typedef List<XmlChar> ElementNamesList;


typedef List<XmlChar> AttributeNamesList;


typedef HashTable<XmlChar *, unsigned long, List, 3079> ElementIds;

typedef HashTable<XmlChar *, unsigned long, List, 3079> AttributeIds;



class XmlModelBase : public UserOfTextCodec, public UserOfFunnelDevice
{
public:
  XmlModelBase(void) : UserOfTextCodec(), UserOfFunnelDevice() {}

  virtual ~XmlModelBase(void) {}

  virtual bool manageEvent(XmlModelEvent *event) = 0;

  virtual void receiveData(XmlChar *data, size_t size) = 0;

  virtual void setGrammar(GrammarBase *gr) = 0;

  virtual void setSAXEmitter(SAXEmitter *emitter, void *data = 0) = 0;
};


#endif //XMLMODELBASE_H

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