utility.h

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// utility.h
//////////////////////////////////////////////////////////////////////
//          (c) Copyright 2001-2002 Brown Deer Technology, LLC.
//                        All rights reserved.
//////////////////////////////////////////////////////////////////////

#ifndef UTILITY_H
#define UTILITY_H

#ifdef USE_STD
#include <iostream>
using namespace std;
#else
#include <iostream.h>
#endif

#define BYTEPACK_DEFAULT_SIZEMAX 16

void inttohex( int, char*, int = sizeof(int) );

class bytepack {
   public:

      bytepack( const int sizemax = BYTEPACK_DEFAULT_SIZEMAX );
      bytepack( const bytepack& rhs );
      ~bytepack();

      bytepack& operator()( const char data=0, const int size=sizeof(char) );
      bytepack& operator()( const int data=0, const int size=sizeof(int) );
      bytepack& operator()( const float data=0, const int size=sizeof(float) );
      bytepack& operator()(const double data=0,const int size=sizeof(double));

      bytepack& operator = ( const bytepack );

      char& operator[]( const int i ) { return _data[i]; }
      char* c_str() { return _data; }

      operator char();
      operator int();
      operator float();
      operator double();

      int size() { return _size; }

      void write( ostream& );
      void read( istream& );

   private:
      char* _data;
      int _sizemax;
      int _size;

   friend ostream& operator << ( ostream&, bytepack& );
   friend istream& operator >> ( istream&, bytepack& );

};

#endif

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