examples/PIPS/opencproducerconsumerex/inc/stack.h

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#ifndef STACK_H
#define STACK_H

/* INCLUDE FILES */
#include <string.h>
#include "CommanHeader.h"


/*
C++ Class that defines Stack
*/
class Stack {
enum 
        {
        EMaxProduction = 1000
        };

public:

        Stack() : iStatckTop(-1) 
        {
        }

        ~Stack()
        {
                ProducedItem* item = NULL; 
                do
                        {
                        item = Pop();
                        delete item;
                        } while(item != NULL);
        }

        void Push( ProducedItem* aItem ) 
        {
                //If there is enough space to put item onto stack
                if(iStatckTop < EMaxProduction-1)
                        {
                        ProducedItem* item = new ProducedItem;
                        memcpy(item, aItem, sizeof(ProducedItem));
                        iItems[++iStatckTop] = item;
                        }
                //else Ignore it!
        }

        ProducedItem* Pop() 
        {
                if(iStatckTop != -1) 
                {
                        ProducedItem* item = iItems[iStatckTop];
                        iItems[iStatckTop--] = NULL;
                        return item;
                }
                return NULL;
        }

private:
        ProducedItem*   iItems[EMaxProduction];
        int                             iStatckTop;
};

#endif /*STACK_H*/

/*  End of File */

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