mapReader.h

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/*******************************************************************************
** Copyright (c) 2003 MAK Technologies, Inc.
** All rights reserved.
*******************************************************************************/
/*******************************************************************************
** $RCSfile: mapReader.h,v $ $Revision: 1.10 $ $State: Exp $
*******************************************************************************/




#ifndef DTMAPREADER_H_
#define DTMAPREADER_H_

#include "symbolMapper/baseMapper.h"

#include <QtCore/QHash>
#include <QtCore/QObject>

class QString;
class DtSymbolDescriptor;
class DtMapReader;

typedef DtSymbolDescriptor* (*DtSymbolDescriptorParserFcn)(DtMapReader* reader, QString key, void*& usr1, void*& usr2);

#include "symbolMapper/symbolMapperDefines.h"
class DT_DLL_symbolMapper DtSymbolDescriptorCreatorInfo
{
public:
   DtSymbolDescriptorCreatorInfo(DtSymbolDescriptorParserFcn fcn);
   DtSymbolDescriptorCreatorInfo(const DtSymbolDescriptorCreatorInfo& orig) :
      myParserFcn(orig.myParserFcn) {};

   virtual ~DtSymbolDescriptorCreatorInfo();

   virtual DtSymbolDescriptorParserFcn parser();
   virtual void setParser(DtSymbolDescriptorParserFcn fcn);

protected:
   DtSymbolDescriptorParserFcn myParserFcn;
};

class DT_DLL_symbolMapper DtMapReader : public QObject
{
   Q_OBJECT

public:
   DtMapReader(DtBaseMapper* mapper);
   virtual ~DtMapReader();

   virtual bool load(const QString& filename, bool replace = false) = 0;
   virtual bool save(const QString& filename) = 0;
   virtual bool init() = 0;

   virtual void setMediaMapper(DtBaseMapper* mapper);
   
   virtual void addSymbolParser(QString symbol, DtSymbolDescriptorParserFcn fcn);
   virtual DtSymbolDescriptor* createSymbolDescriptor(QString symbol, QString key,
      void* usr1, void* usr2);

   virtual DtBaseMapper* symbolMapper();

   virtual void setComment(const QString&);
   virtual const QString& comment() const;

protected:
   DtBaseMapper* mySymbolMapper;
   DtBaseMapper* myMediaMapper;

   QString  myComment;

   QHash<QString, DtSymbolDescriptorCreatorInfo> mySymbolParsers;
};

typedef DtMapReader* (*DtMapReaderCreatorFcn)(DtBaseMapper* mapper);

#endif