rwList.h

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/*******************************************************************************
** Copyright (c) 1999 MAK Technologies, Inc.
** All rights reserved.
*******************************************************************************/

#pragma once

#include <vlutil/vlList.h>
#include "vrfutil/rdrWritr.h"
#include "vrfutil/vrfutilDefines.h"

class DtListItem;

class DT_DLL_vrfutil DtRwList : public DtReaderWriter, public DtList
{
public:
   DtRwList();

   DtRwList(const DtString& name, DtReaderWriterRegistry* parentRegistry = NULL);
   DtRwList(const DtSymbolString& name, DtReaderWriterRegistry* parentRegistry = NULL);


   DtRwList(const DtString& name,  
            const DtRwList& orig, 
            DtReaderWriterRegistry* parentRegistry = NULL);

   DtRwList(const DtSymbolString& name,  
            const DtRwList& orig, 
            DtReaderWriterRegistry* parentRegistry = NULL);

   virtual ~DtRwList();

   const DtRwList & operator=(const DtRwList & orig);

   virtual DtListItem* add(DtReaderWriter* data);

   virtual DtListItem* addToStart(DtReaderWriter* data);

   virtual DtListItem* addToEnd(DtReaderWriter* data);

   virtual void* remove(DtReaderWriter* data, DtListItem* item);

   virtual DtlObjPtr getData(DtlObjPtr args, const DtFilename& searchPath,
      const DtVariableBindingsList& variableBindings) = 0;

   virtual DtlObjPtr getLocalData(DtlObjPtr args);

   virtual void getSelf(DtlObjPtr args, const DtFilename& searchPath,
      const DtVariableBindingsList& variableBindings);  


   virtual DtListItem* addBefore (DtReaderWriter* data, const DtString& before);
   virtual DtListItem* addBefore (DtReaderWriter* data, const DtSymbolString& before);


   virtual DtListItem* addAfter(DtReaderWriter* data, const DtString& after);
   virtual DtListItem* addAfter(DtReaderWriter* data, const DtSymbolString& after);
   
   virtual DtListItem* addBefore (DtReaderWriter* data, DtReaderWriter* before);

   virtual DtListItem* addAfter(DtReaderWriter* data, DtReaderWriter* after);
   
   virtual void removeAll();

   virtual const char* readerWriterType() const;

protected:
   virtual DtListItem* addBefore (DtReaderWriter* data, DtListItem* before);

   virtual DtListItem* addAfter(DtReaderWriter* data, DtListItem* after);

};