include/vrfutil/readerWriterFactory.h

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/*******************************************************************************
** Copyright (c) 2007 MAK Technologies, Inc.
** All rights reserved.
*******************************************************************************/
/*******************************************************************************
** $RCSfile: readerWriterFactory.h,v $ $Revision: 1.5 $ $State: Exp $
*******************************************************************************/



#ifndef readerWriterFactory_h
#define readerWriterFactory_h

#include "vrfutil/vrfutilDefines.h"
#include <map>
#include <vlutil/vlString.h>

class DtReaderWriterRegistry;
class DtReaderWriter;

class DT_DLL_vrfutil DtReaderWriterFactory
{
public:
   typedef DtReaderWriter* (*DtRWCreatorFcn)(const DtString& name, DtReaderWriterRegistry* parentRegistry);
   typedef void (*DtRWCopyFcn)(const DtReaderWriter* source, DtReaderWriter* dest);

   struct DtRwFunctions
   {
      DtRWCreatorFcn creatorFcn;
      DtRWCopyFcn copyFcn;
   };

   typedef std::map<DtString, DtRwFunctions> DtRwFunctionMap;

public:
   DtReaderWriterFactory();

   virtual DtReaderWriter* createItem(const DtString& type, const DtString& name,
      DtReaderWriterRegistry* parentRegistry) const;

   virtual bool copyReaderWriter(const DtReaderWriter* sourceRw, DtReaderWriter* destRw) const;

   virtual DtReaderWriter* cloneReaderWriter(const DtString& name,
      const DtReaderWriter* sourceRw, DtReaderWriterRegistry* parentRegistry) const;

   void addDefaultRwCreators();

   template<typename T_RWType>
   void registerType(const DtString& rwTypeString);

   const DtRwFunctionMap& functionMap() const;

   bool typeRegistered(const DtString& rwTypeString) const;

protected:
   template <typename T_RWType>
   static DtReaderWriter* createRWType(const DtString& name, DtReaderWriterRegistry* parentRegistry);

   template <typename T_RWType>
   static void copyRwType(const DtReaderWriter* sourceRw, DtReaderWriter* destRw);

protected:
   DtRwFunctionMap myRwFunctionMap;
};

#define readerWriterFactory_inl_
#include "vrfutil/readerWriterFactory.inl"
#undef  readerWriterFactory_inl_

#endif