// file: lecture_26/myprog.h
//

// system include files
//
#include <stdio.h>
#include <stdlib.h>
#include <string.h>

// define a simple class
//
class Toaster {

protected:
  
  // define some data
  //
  char* name_d;
  char* model_d;
  long len_d;
  long width_d;
  float weight_d;

  // define some simple functions
  //
public:

  // default constructor
  //
  Toaster() {

    // initialize data
    //
    name_d = (char*)NULL;
    name_d = new char[4];
    strcpy(name_d, "Joe");

    model_d = (char*)NULL;
    len_d = (long)0;
    width_d = (long)0;
    weight_d = (float)0.0;

    // display some information about the object
    //
    fprintf(stdout, "default constructor: len_d is located at %u\n", &len_d);
    fprintf(stdout, "default constructor: width_d is located at %u\n", &width_d);
  }

  // constructor with arguments
  //
  Toaster(long len_a, float weight_a) {

    // initialize data
    //
    name_d = (char*)NULL;
    name_d = new char[4];
    strcpy(name_d, "Joe");

    model_d = (char*)NULL;
    len_d = len_a;
    width_d = (long)0;
    weight_d = weight_a;

    // display some information about the object
    //
    fprintf(stdout, "constructor with args: len_d is located at %u\n", &len_d);
    fprintf(stdout, "constructor with args: width_d is located at %u\n", &width_d);
  }

  // default destructor
  //
  ~Toaster() {
    fprintf(stdout, "destructor: hello class!\n");
    if (name_d != (char*)NULL) {
      delete [] name_d;
      name_d = (char*)NULL;
    }
  }

  long get_len() {
    return len_d;
  }
  long get_width() {
    return width_d;
  }
  float get_weight() {
    return weight_d;
  }

  // define some useful public functions
  //
  bool display(FILE* fp, char*);
  bool set_values() {
    return set_values(1, 1, 99.0);
  }
  bool set_values(long len, long width = 3, float weight = 27.0);

  // demonstrate an overloaded function
  //
  //  bool compare(Toaster arg1);
  //  bool compare(Toaster* arg1);
  //  bool compare(Toaster& arg1);

private:

  // print the data of manufacturing
  //
  bool display(FILE* fp);

  // end of class
};