// ptr14.cpp 		By: Aiman Hanna -  ©1993-2006 Aiman Hanna

// This program "intends" to find the car with the shortest model name.
// However, Does it work as expected?

#include "ptr13.h"

car::car(int doors, int cyl)
{		  
  num_doors = doors;
  num_cyl = cyl;

}

char* car::GetModel() 
{
 return car_model;
}


void car::SetModel(char* mdl) 
{
 car_model = mdl;
}


void car::SetColor( avail_colors col)
{
 car_color = col;
}


char* car::GetColor()
{
 switch (car_color)
 {
 	case white: return "white";  
 	case black: return "black"; 
 	case green: return "green";  
 	case red:   return "red";  
 }
  return "Unknown";
}




int car::GetNumCyl()
{
	return num_cyl;
}




void car::SetNumCyl(int nc)
{
	num_cyl = nc;
}



int main()
{

car *car_ptr = new car[3], *tmp_ptr;		// Declare 3 car objects

tmp_ptr = car_ptr;

car_ptr -> SetModel( "BMW" );
car_ptr -> SetColor( green );

car_ptr++;

 car_ptr  -> SetModel( "VW" );
 car_ptr  -> SetColor();

car_ptr++;

 car_ptr -> SetModel( "BENZ" );
 car_ptr -> SetColor( black );

 car_ptr = tmp_ptr;		// Set it back to it initial place.

// Find the car with the shortest model name. Will really this following 
// logic work as expected!!?.

char* shrt_mdl_name = car_ptr ->  GetModel();	
				// Assume the first car has the shortest model name
  
  	for (int i = 1; i < 3 ; i++)
	{ 
	car_ptr++;
		if ( strcmp(car_ptr -> GetModel() , shrt_mdl_name) < 0 )
			shrt_mdl_name = car_ptr -> GetModel();
	}
cout << " The shortest model name for all the existing car objects is: " 
							<<  shrt_mdl_name << "\n";

return 0;
}     

                          

/*

// The following is the result of compilation
//Compilation successful

// The following is the result of running the program. As it shows, it is NOT the 
// right answer for what we want.

 The shortest model name for all the existing car objects is: BENZ

*/