Implemented iterators for Vector.

2 files changed, 27 insertions, 4 deletions

diff --git a/lout/container.cc b/lout/container.cc
index deeede57..6a55fc2c 100644
--- a/lout/container.cc
+++ b/lout/container.cc
@@ -193,13 +193,22 @@ void Vector::sort()
    qsort(array, numElements, sizeof(Object*), misc::Comparable::compareFun);
 }
 
+Object *Vector::VectorIterator::getNext()
+{
+   if (index < vector->numElements - 1)
+      index++;
+
+   return index < vector->numElements ? vector->array[index] : NULL;
+}
+
+bool Vector::VectorIterator::hasNext()
+{
+   return index < vector->numElements - 1;
+}
 
-/**
- * \bug Not implemented.
- */
 Collection0::AbstractIterator* Vector::createIterator()
 {
-   return NULL;
+   return new VectorIterator(this);
 }
 
 // ------------
diff --git a/lout/container.hh b/lout/container.hh
index f1008e82..10139211 100644
--- a/lout/container.hh
+++ b/lout/container.hh
@@ -102,11 +102,25 @@ public:
  */
 class Vector: public Collection
 {
+   friend class VectorIterator;
+
 private:
    object::Object **array;
    int numAlloc, numElements;
    bool ownerOfObjects;
 
+   class VectorIterator: public AbstractIterator
+   {
+   private:
+      Vector *vector;
+      int index;
+      
+   public:
+      VectorIterator(Vector *vector) { this->vector = vector; index = -1; }
+      bool hasNext();
+      Object *getNext();
+   };
+
 protected:
    AbstractIterator* createIterator();