#ifndef STRINGLIST_H
#define STRINGLIST_H

//************************************************************
//
//              STringList.h
//
//************************************************************
//
//      Copyright (C) 1996
//              
//              J. Fritz Barnes
//              Graduate Student
//              Computer Science Department
//              University of California
//              Davis, CA  95616
//
//
//      Permission is granted to use at your own risk and
//      distribute this software in source and binary forms
//      provided the above copyright notice and this paragraph
//      are preserved on all copies.  This software is provided
//      "as is" with no express or implied warranty.
//
//************************************************************

#include "STringListElem.h"

class STringList {

private:

   STringListElem*	headtail;
   int			length;

   STringListElem*      Find_Element( int );
   const STringListElem* Find_Element( int ) const;

public:

			// default constructor
			STringList( void );

			// user-defined constructors
			STringList( const STring& );

			// copy constructor
			STringList( const STringList& );

			// destructor
			~STringList( void );

			// assignment operator
   STringList&          operator = ( const STringList& );

			// access the ith element in the list
   const STring&	operator[] ( int ) const ;
   STring&		operator[] ( int );

			// Value Access
   int			Get_Length( void );

			// Add a new value to the end of the list
   void			Append( const STring& );
   void			Append( const STringList& );

			// insert data into the list at the ith location
   void			Insert( const int i, const STring& );

			// replace data at location i
   void			Replace( const int i, const STring& );

			// remove element i from the list
   void			Remove( const int i );

			// Output operator
   friend ostream&      operator<< ( ostream& , const STringList& );
};

#endif