1 files changed, 64 insertions, 0 deletions

diff --git a/libcnary/node_iterator.c b/libcnary/node_iterator.c
new file mode 100644
index 0000000..eef3a4f
--- /dev/null
+++ b/libcnary/node_iterator.c
@@ -0,0 +1,64 @@
+/*
+ * node_iterator.c
+ *
+ *  Created on: Mar 8, 2011
+ *      Author: posixninja
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "node.h"
+#include "node_list.h"
+#include "node_iterator.h"
+
+void node_iterator_destroy(node_iterator_t* iterator) {
+        if(iterator) {
+                free(iterator);
+        }
+}
+
+node_iterator_t* node_iterator_create(node_list_t* list) {
+        node_iterator_t* iterator = (node_iterator_t*) malloc(sizeof(node_iterator_t));
+        if(iterator == NULL) {
+                return NULL;
+        }
+        memset(iterator, '\0', sizeof(node_iterator_t));
+
+        iterator->count = 0;
+        iterator->position = 0;
+
+        iterator->end = NULL;
+        iterator->begin = NULL;
+        iterator->value = list->begin;
+
+        iterator->list = NULL;
+        iterator->next = node_iterator_next;
+        iterator->bind = node_iterator_bind;
+
+
+        if(list != NULL) {
+                iterator->bind(iterator, list);
+        }
+
+        return iterator;
+}
+
+node_t* node_iterator_next(node_iterator_t* iterator) {
+        node_t* node = iterator->value;
+        if (node) {
+                iterator->value = node->next;
+        }
+        iterator->position++;
+        return node;
+}
+
+int node_iterator_bind(node_iterator_t* iterator, node_list_t* list) {
+        iterator->position = 0;
+        iterator->end = list->end;
+        iterator->count = list->count;
+        iterator->begin = list->begin;
+        iterator->value = list->begin;
+        return 0;
+}