userTagModifiers.h

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/*********************************************************************
** Copyright (c) 1992-2025 MAK Technologies, Inc
** All rights reserved.
*********************************************************************/


#ifndef userTagModifiers_H_
#define userTagModifiers_H_

#if DtHLA

#include <vlutil/vlSmartPointers.h>
#include <vlutil/vlMachineTypes.h>

class DtInteraction;
class DtStateMsg;
class DtStateRepository;

class DtObjectTagModifier;
class DtInteractionTagModifier;

// Read the 1st few chars (typically 8) of the tag as a hex ascii number.
// Do not assume the tag is nul terminated.
DtU32 readTagPrefix(const void *tag, size_t tagLen);


typedef std::shared_ptr<DtObjectTagModifier> DtObjectTagModifierSP;
typedef std::shared_ptr<DtInteractionTagModifier> DtInteractionTagModifierSP;

class DT_DLL_VL DtObjectTagModifier 
{
public:
   DtObjectTagModifier();

   virtual ~DtObjectTagModifier();
  
   virtual void modifyTag(DtStateMsg* msg, const DtStateRepository* rep) = 0;

protected:
   DtObjectTagModifier(const DtObjectTagModifier& orig);

   DtObjectTagModifier& operator=(const DtObjectTagModifier& orig);
};

class DT_DLL_VL DtInteractionTagModifier 
{
public:
   DtInteractionTagModifier();

   virtual ~DtInteractionTagModifier();

   virtual void modifyTag(DtInteraction* inter) = 0;

protected:
   DtInteractionTagModifier(const DtInteractionTagModifier& orig);

   DtInteractionTagModifier& operator=(const DtInteractionTagModifier& orig);
};


#endif
#endif