#if !defined(RESIP_CSEQ_HXX)
#define RESIP_CSEQ_HXX 

#include <iosfwd>
#include "rutil/Data.hxx"
#include "resip/stack/ParserCategory.hxx"
#include "resip/stack/MethodTypes.hxx"

namespace resip
{


/**
   @ingroup sip_grammar
   @brief Represents a CSeq header field value (this doesn't have an official
      name in the RFC 3261 grammar).
*/
class CSeqCategory : public ParserCategory
{
   public:
      enum {commaHandling = NoCommaTokenizing};
      
      CSeqCategory();
      CSeqCategory(const HeaderFieldValue& hfv, 
                     Headers::Type type, 
                     PoolBase* pool=0);
      CSeqCategory(const CSeqCategory& orig, PoolBase* pool=0);
      CSeqCategory& operator=(const CSeqCategory&);

      MethodTypes& method();
      MethodTypes method() const;
      Data& unknownMethodName();
      const Data& unknownMethodName() const;
      unsigned int& sequence();
      unsigned int sequence() const;

      bool operator==(const CSeqCategory& rhs) const;
      bool operator<(const CSeqCategory& rhs) const;
      
      virtual void parse(ParseBuffer& pb);
      virtual ParserCategory* clone() const;
      virtual ParserCategory* clone(void* location) const;
      virtual ParserCategory* clone(PoolBase* pool) const;
      virtual EncodeStream& encodeParsed(EncodeStream& str) const;

   private:
      MethodTypes mMethod;
      Data mUnknownMethodName;
      unsigned int mSequence;
};
 
}

#endif


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