Samples/IntStack/intStack.h at master · r2d2Proton/Samples · GitHub

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/*--------------------------------------------------------------------------+
|     Name:  Jerome Richards                                                |
|   Course:  CNS-2400 F01                                                   |
|                                                                           |
|  Program:  Integer Stack                                                  |
|     File:  intStack.h                                                     |
|                                                                           |
|  Class definition for Integer_stack                                       |
+--------------------------------------------------------------------------*/
#ifndef INTSTACK_H
#define INTSTACK_H

#include <string>

using namespace std;


class Integer_stack
{
   public:

      enum stackCode { isSUCCESS, isUNDERFLOW, isOVERFLOW, isUNKNOWN };
      static const int MAXSIZE = 20;
      static const int THETOP = MAXSIZE - 1;

      Integer_stack();

      stackCode pusha( int theInt );
      stackCode popa();
      stackCode topa( int& theInt );

      stackCode pushb( int theInt );
      stackCode popb();
      stackCode topb( int& theInt );

      string getErrStr( stackCode theErr );

   private:

      int itsStack[ MAXSIZE ];

      int top_a;
      int top_b;
};

#endif