#if !defined(RESIP_UNKNOWNPARAMETER_HXX)

#define RESIP_UNKNOWNPARAMETER_HXX 

#include <iosfwd>

#include "resip/stack/Parameter.hxx"

namespace resip

{

class ParseBuffer;

/**

   @ingroup sip_grammar

   @brief Generically used to represent any parameter that is not

   known by the implmentation.

*/

class UnknownParameter : public Parameter

{

   public:

      UnknownParameter(const char* startName, 

                       unsigned int nameSize,

                       ParseBuffer& pb, 

                       const std::bitset<256>& terminators);

      // empty value indicates exists style (e.g. ;unknown;...)

      UnknownParameter(ParameterTypes::Type type, const Data& value);

      // for making a new unknown parameter 

      explicit UnknownParameter(const Data& name);

      EncodeStream& encode(EncodeStream& stream) const;

      Data& value() {return mValue;}

      const Data& value() const {return mValue;}

      bool hasValue() const {return !mValue.empty() || mIsQuoted;}

      bool isQuoted() const { return mIsQuoted; }

      void setQuoted(bool b) { mIsQuoted = b; }; // this parameter will be enclosed in quotes e.g. "foo"

      virtual const Data& getName() const;

      virtual Parameter* clone() const;

   private:

      Data mName;

      Data mValue;

      bool mIsQuoted;

};

}

EncodeStream& operator<<(EncodeStream& stream, resip::UnknownParameter& comp);

#endif

/* ====================================================================

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