#ifndef _SHAKE_XDR__H_
#define _SHAKE_XDR__H_
#ifdef _WINDOWS
#include <winsock.h>
#endif
#ifndef _WINDOWS
  #include <netinet/in.h>
#endif
/*!
 \class Cxdr
 \brief eXternal Data Representation

 Required to send/receive data b/w different architectures                  
 Assumes that signed & unsigned have same byte order (based on ntoh fnc.)   
*/

class Cxdr {
private: // private is private
  inline void store(u_long &l) ;
  inline void store(u_short &l) ;
  inline void store(const char *s, int n) ;
  inline void restore(u_long &l) ;
  inline void restore(u_short &l) ;
  inline void restore(char *s, int n) ;

  inline void reserve(int n) ;
  inline void checksize(int n) ;
  static int PAGESIZE ;
  bool m_is_reverse;

protected:
  char *m_buffer ; //!< the buffer that contains data in a "network representation"
  int m_len ;  //!< the size of the buffer
  int m_truelen ; //!< the size allocated of the buffer
  int m_cur ;  //!< current position in the buffer
  bool m_growable ; //!< true if growable
public:
  Cxdr(int size=0) ; //!< initialize (buffer grows if required)
  Cxdr(char *buf,int size) ; //!< initialize (buffer grows if required)
  Cxdr(char *buf) ; //!< initialize (buffer grows if required)
  ~Cxdr() ;

  void reset(int size=0) ;
  inline Cxdr & operator << (double s) ; //!< store double
  inline Cxdr & operator << (signed long s) ; //!< store signed long
  inline Cxdr & operator << (unsigned long s) ; //!< store unsigned long
  inline Cxdr & operator << (signed short s) ; //!< store signed short
  inline Cxdr & operator << (unsigned short s) ; //!< store unsigned short
  inline Cxdr & operator << (const char *s) ; //!< store string

  inline Cxdr & operator >> (double &s) ; //!< get double
  inline Cxdr & operator >> (signed long &s) ; //!< get signed long
  inline Cxdr & operator >> (unsigned long &s) ; //!< get unsigned long
  inline Cxdr & operator >> (signed short &s) ; //!< get signed short
  inline Cxdr & operator >> (unsigned short &s) ; //!< get unsigned short
  inline Cxdr & operator >> (char *s) ; //!< get string

  inline char * data() ;   //!< return the encoded buffer
  inline unsigned long len() ; //!< return size of the buffer
} ;

#include "shake_xdr.hpp"

#endif