el h / SimpleGUI

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Fork of SimpleGUI by Duncan McIntyre

Diff: Core/LinkedList.h

Revision:
18:d849f3ada858
Parent:
15:e69fd74d42e4
diff -r 5184762fda6c -r d849f3ada858 Core/LinkedList.h
--- a/Core/LinkedList.h	Sun May 22 16:35:23 2016 +0000
+++ b/Core/LinkedList.h	Sat May 28 14:50:14 2016 +0000
@@ -17,6 +17,30 @@
 };
 
 template<class T>
+class LinkedListIterator {
+    public:
+    LinkedListIterator(LinkedListNode<T> *first) {
+        _current = first;
+    }
+    
+    ~LinkedListIterator() {}
+    
+    T* next() {
+
+        LinkedListNode<T>* p = _current;
+        if(p != NULL) {
+            _current = _current->next;
+            return p->data;
+        }
+
+        return NULL;
+    }
+    
+private:
+    LinkedListNode<T>* _current;
+};
+
+template<class T>
 class LinkedList
 {
 
@@ -24,7 +48,11 @@
 
     LinkedList() : _first(NULL), _next(NULL), _current(NULL), _size(0) {}
     ~LinkedList() {}
-
+    
+    LinkedListIterator<T> getIterator() {
+        LinkedListIterator<T> iterator(_first);
+        return iterator;
+    }
 
     void append(T* data) {