include/terrainDbFactory/terrainWriterFactory.h

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/*******************************************************************************
** Copyright (c) 2003 MAK Technologies, Inc.
** All rights reserved.
*******************************************************************************/
/*******************************************************************************
** $RCSfile: terrainWriterFactory.h,v $ $Revision: 1.9 $ $State: Exp $
*******************************************************************************/
#ifndef terrainWriterFactory_H_
#define terrainWriterFactory_H_

//
// \file terrainWriterFactory.h
// \brief Contains the DtTerrainReaderFactory class declaration and related typedefs.

#include "terrainDbFactory/terrainDbFactoryDefines.h"
#include <vlutil/vlConfig.h>
#include <map>
#include <vlutil/vlString.h>

class DtTerrainWriter;

//
// DtTerrainWriterFactory has a container of DtTerrainWriterCreatorFcns,  
// associated with the type (DtString) of file able to write.
class DT_DLL_terrainDbFactory DtTerrainWriterFactory
{
public:
   
   typedef DtTerrainWriter* (*DtTerrainWriterCreatorFcn)();
   typedef std::map<DtString, DtTerrainWriterCreatorFcn> DtTerrainWriterCreatorContainer;

   // constructor
   DtTerrainWriterFactory();

   // copy constructor
   DtTerrainWriterFactory(const DtTerrainWriterFactory& orig);

   // assignment operator
   const DtTerrainWriterFactory& operator=(const DtTerrainWriterFactory& orig);

   // Destructor: deletes factory and any entries on the factory.
   virtual ~DtTerrainWriterFactory();

   // Registers default creators
   // @note Currently only the latest gdb writer.
   virtual void init();

   // Register a creator function with the factory.
   virtual void registerTerrainWriterCreator(const DtString& type, DtTerrainWriterCreatorFcn fcn);

   // @return A DtTerrainWriter of the specified type, OR 0 if the type is unknown.
   virtual DtTerrainWriter* createTerrainWriter(const DtString& type);

   static DtTerrainWriterFactory* create();

protected:

   DtTerrainWriterCreatorContainer myTerrainWriterCreators;
};

#endif