// File: mystring.C
//
// Implementation of String class

#include <iostream.h>
#include <iomanip.h>
#include <stdlib.h>
#include "mystring.h"

int String::idvar=0 ;

String::String()
{ /* do nothing else */ }


String::String(char *s)
: BString(s)
{ /* do nothing else */ }


String::String(const BString& bs)
: BString(bs)
{ /* do nothing else */ }


String::~String()
{ /* do nothing else */ }


Ordered *String::clone() {
   Ordered *ptr = new String(*this) ; // *this converted to BString&
   if (ptr == NULL) {
      cerr << "Oops" << endl ;
      exit(1) ;
   }
   return ptr ;
}


int String::cmp(Ordered *ptr) {
   if (ptr == NULL) return 1 ;

   if ( &idvar != ptr->id() )  {
      return &idvar < ptr->id() ? -1 : 1 ;
   }

   String *p = (String *) ptr ;
   if (*this < *p) return -1 ;  // Bstring < and >
   if (*this > *p) return  1 ;
   return 0 ;
}