#if !defined(RESIP_RPORTPARAMETER_HXX)

#define RESIP_RPORTPARAMETER_HXX 

#include <iosfwd>

#include "resip/stack/ParameterTypeEnums.hxx"

#include "resip/stack/Parameter.hxx"

#include "rutil/PoolBase.hxx"

namespace resip

{

class ParseBuffer;

/**

   @ingroup sip_grammar

   @brief Represents the "response-port" element of the SIP grammar

   (as extended in RFC 3581).

*/

class RportParameter : public Parameter

{

   public:

      typedef RportParameter Type;

      RportParameter(ParameterTypes::Type, ParseBuffer& pb, const std::bitset<256>& terminators);

      RportParameter(ParameterTypes::Type type, int value);

      explicit RportParameter(ParameterTypes::Type type);

      static Parameter* decode(ParameterTypes::Type type, 

                                 ParseBuffer& pb, 

                                 const std::bitset<256>& terminators,

                                 PoolBase* pool)

      {

         return new (pool) RportParameter(type, pb, terminators);

      }

      int& port() {return mValue;}

      int port() const {return mValue;}

      bool hasValue() const { return mHasValue; } 

      virtual EncodeStream& encode(EncodeStream& stream) const;

      virtual Parameter* clone() const;

      Type& value() { return *this; }

   private:

      int mValue;

      bool mHasValue;

};

}

#endif

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