TB9.2 Example Applications: examples/PIPS/opencproducerconsumerex/inc/stack.h Source File

00001 
+00015 #ifndef STACK_H
+00016 #define STACK_H
+00017 
+00018 /* INCLUDE FILES */
+00019 #include <string.h>
+00020 #include "CommanHeader.h"
+00021 
+00022 
+00023 /*
+00024 C++ Class that defines Stack
+00025 */
+00026 class Stack {
+00027 enum 
+00028         {
+00029         EMaxProduction = 1000
+00030         };
+00031 
+00032 public:
+00033 
+00034         Stack() : iStatckTop(-1) 
+00035         {
+00036         }
+00037 
+00042         ~Stack()
+00043         {
+00044                 ProducedItem* item = NULL; 
+00045                 do
+00046                         {
+00047                         item = Pop();
+00048                         delete item;
+00049                         } while(item != NULL);
+00050         }
+00051 
+00060         void Push( ProducedItem* aItem ) 
+00061         {
+00062                 //If there is enough space to put item onto stack
+00063                 if(iStatckTop < EMaxProduction-1)
+00064                         {
+00065                         ProducedItem* item = new ProducedItem;
+00066                         memcpy(item, aItem, sizeof(ProducedItem));
+00067                         iItems[++iStatckTop] = item;
+00068                         }
+00069                 //else Ignore it!
+00070         }
+00071 
+00082         ProducedItem* Pop() 
+00083         {
+00084                 if(iStatckTop != -1) 
+00085                 {
+00086                         ProducedItem* item = iItems[iStatckTop];
+00087                         iItems[iStatckTop--] = NULL;
+00088                         return item;
+00089                 }
+00090                 return NULL;
+00091         }
+00092 
+00093 private:
+00094         ProducedItem*   iItems[EMaxProduction];
+00095         int                             iStatckTop;
+00096 };
+00097 
+00098 #endif /*STACK_H*/
+00099 
+00100 /*  End of File */
+