//===========================================================================
// Class for a linked-list row and its cells
// A. Fischer, October 1, 2000                                  file: row.hpp
// Modified M. & A. Fischer, September 17, 2009
//===========================================================================
#pragma once
#include <iostream>
#include "item.hpp"
using namespace std;
//---------------------------------------------------------------------------
// Dependent class.  Holds an Item and a link to another Cell
class Cell
{
  friend class Row;
  private:
    Item* data;           // Pointer to one data Item    (Aggregation)
    Cell* next;           // Pointer to next cell in row (Association)

    Cell (char* d, int s, Cell* nx){ data = new Item(d, s); next = nx; }
    ~Cell (){ delete data; cerr <<"  Deleting Cell " <<"\n"; }
};

//---------------------------------------------------------------------------
// Data structure class
class Row   {   // Interface class for one bar of the bargraph.
  private:
    char label[10];             // Row header label
    Cell* head;                 // Pointer to head of row

  public:
    Row ( int n );
    ~Row ();
    void insert ( char* name, int score );  // delegation
    ostream& print ( ostream& os );
};

//---------------------------------------------------------------------------
inline ostream& operator << ( ostream& out, Row& T){ return T.print( out ); }