signatureModifierEvaluatorFactory.h

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/*******************************************************************************
** Copyright (c) 2005 MAK Technologies, Inc.
** All rights reserved.
*******************************************************************************/

#pragma once

#include <vlutil/vlConfig.h>
#include <map>
#include <vlutil/vlString.h>
#include "vrfobjcore/signatureModifierEvaluator.h"

class DtVrfObject;
class DtSignatureModifier;

typedef DtSignatureModifierEvaluator * (*DtSignatureModifierEvaluatorCreatorFcn)(
   const DtSignatureModifier& modifier, const DtVrfObject* object);

#include "vrfobjcore/vrfobjcoreDefines.h"
class DT_DLL_vrfobjcore DtSignatureModifierEvaluatorFactory
{
public:
   DtSignatureModifierEvaluatorFactory();

   virtual ~DtSignatureModifierEvaluatorFactory();

   virtual void addCreatorFcn(const DtString& type,
      DtSignatureModifierEvaluatorCreatorFcn fcn);

   virtual DtSignatureModifierEvaluator* createSignatureModifierEvaluator(const DtString& type,
      const DtSignatureModifier& modifier, const DtVrfObject* hostObject);

   static DtSignatureModifierEvaluatorFactory* create();

private:
   DtSignatureModifierEvaluatorFactory(const DtSignatureModifierEvaluatorFactory& orig);
   DtSignatureModifierEvaluatorFactory& operator=(const DtSignatureModifierEvaluatorFactory& orig);

protected:
   typedef std::map<DtString, DtSignatureModifierEvaluatorCreatorFcn> DtSignatureModifierEvalCreatorMap;
   DtSignatureModifierEvalCreatorMap myCreatorMap;
};