genericAttributeDecoderHLA.h

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/*******************************************************************************
** Copyright (c) 2013 MAK Technologies, Inc.
** All rights reserved.
*******************************************************************************/


#ifdef DtHLA

#include <vlutil/vlString.h>
#include <vl/fom.h>
#include <vl/objClassDesc.h>
#include <vl/hlaStateDecoder.h>

namespace makVrfVrlinkExtToolkit
{
   template <typename StateRepType>
   class DtGenericAttributeDecoder
   {
   public:
      DtGenericAttributeDecoder() {};
      virtual ~DtGenericAttributeDecoder() {};

      static void decodeGenericAttribute(StateRepType& rep,
                                  const RTI::AttributeHandleValuePairSet& attrs,
                                  unsigned long pairSetIndex)
      {
         DtGenericAttributeStateRepository<StateRepType>* genSR =
            (DtGenericAttributeStateRepository<StateRepType>*)&rep;

         // Keep a static buffer so that we're not constantly
         // deallocating/reallocating memory.
         static std::vector<char> buffer;
         char* bufPtr = 0;

         RTI::ULong length = attrs.getValueLength(pairSetIndex);
         buffer.resize(length);
         if(buffer.size())
         {
            bufPtr = &buffer[0];
         }
         attrs.getValue(pairSetIndex, bufPtr, length);
         genSR->setAttributeByHandle(attrs.getHandle(pairSetIndex), bufPtr, length);
      }
   };
}

#endif