archivableObject.h

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/*********************************************************************
** Copyright (c) 2003 MaK Technologies, Inc.
** All rights reserved.
*********************************************************************/
/*********************************************************************
** $RCSfile: archivableObject.h,v $ $Revision: 1.8 $ $State: Exp $
*********************************************************************/


#ifndef DTARCHIVABLEOBJECT_H_
#define DTARCHIVABLEOBJECT_H_

#include "archiver/archiverDefines.h"

#include <QtCore/QObject>
#include <QtCore/QString>

class DtArchiver;
class QTextStream;
class DtArchivableObject;

typedef DtArchivableObject* (*DtArchivableObjectCreator)();

#define IMPLEMENT_ARCHIVABLE_CREATOR(name, fcn) static DtArchivableObject impl(#name, fcn); \
   const char* name::creatorName() { return #name; }

#define DECLARE_ARCHIVABLE_CREATOR() virtual const char* creatorName();

class DT_DLL_archiver DtArchivableObject : public QObject
{
public:
   DtArchivableObject(QString name, DtArchivableObjectCreator fcn);
   DtArchivableObject(QString name);
   DtArchivableObject();

   virtual ~DtArchivableObject();

   virtual QString name() const;

   DtArchiver* archiver();

public:
   virtual void read(QTextStream& s);
   virtual void write(QTextStream& s);

   virtual void setLevel(int i);
   virtual int level() const;

   virtual DtArchivableObject* clone();

   DECLARE_ARCHIVABLE_CREATOR()

protected:
   DtArchiver*  myArchiver;
};

inline DtArchiver* DtArchivableObject::archiver()
{
   return myArchiver;
}

DT_DLL_archiver QTextStream& operator<<(QTextStream& s, DtArchivableObject& obj);
DT_DLL_archiver QTextStream& operator>>(QTextStream& s, DtArchivableObject& obj);

#endif