1 files changed, 119 insertions, 0 deletions
diff --git a/axiom/src/om/om_child_element_iterator.c b/axiom/src/om/om_child_element_iterator.c
new file mode 100644
index 0000000..622cfbd
--- /dev/null
+++ b/axiom/src/om/om_child_element_iterator.c
@@ -0,0 +1,119 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <axiom_child_element_iterator.h>
+
+struct axiom_child_element_iterator
+{
+    axiom_node_t *current_child;
+    axiom_node_t *last_child;
+    axis2_bool_t next_called;
+    axis2_bool_t remove_called;
+};
+
+AXIS2_EXTERN axiom_child_element_iterator_t *AXIS2_CALL
+axiom_child_element_iterator_create(
+    const axutil_env_t * env,
+    axiom_node_t * current_child)
+{
+    axiom_child_element_iterator_t *iterator = NULL;
+    AXIS2_ENV_CHECK(env, NULL);
+
+    iterator = (axiom_child_element_iterator_t *)AXIS2_MALLOC(env->allocator,
+        sizeof(axiom_child_element_iterator_t));
+
+    if(!iterator)
+    {
+        AXIS2_ERROR_SET(env->error, AXIS2_ERROR_NO_MEMORY, AXIS2_FAILURE);
+        return NULL;
+    }
+
+    iterator->current_child = current_child;
+    iterator->last_child = NULL;
+
+    iterator->next_called = AXIS2_FALSE;
+    iterator->remove_called = AXIS2_FALSE;
+
+    return iterator;
+}
+
+AXIS2_EXTERN void AXIS2_CALL axiom_child_element_iterator_free(
+    void *iterator,
+    const axutil_env_t * env)
+{
+    AXIS2_ENV_CHECK(env, AXIS2_FAILURE);
+    AXIS2_FREE(env->allocator, iterator);
+    return;
+}
+
+AXIS2_EXTERN axis2_status_t AXIS2_CALL
+axiom_child_element_iterator_remove(
+    axiom_child_element_iterator_t * iterator,
+    const axutil_env_t * env)
+{
+    AXIS2_ENV_CHECK(env, AXIS2_FAILURE);
+    AXIS2_PARAM_CHECK(env->error, iterator, AXIS2_FAILURE);
+
+    if(!(iterator->next_called))
+        return AXIS2_FAILURE;
+    if(iterator->remove_called)
+        return AXIS2_FAILURE;
+
+    iterator->remove_called = AXIS2_TRUE;
+
+    if(!(iterator->last_child))
+        return AXIS2_FAILURE;
+    axiom_node_free_tree(iterator->last_child, env);
+    iterator->last_child = NULL;
+    return AXIS2_SUCCESS;
+}
+
+AXIS2_EXTERN axis2_bool_t AXIS2_CALL
+axiom_child_element_iterator_has_next(
+    axiom_child_element_iterator_t * iterator,
+    const axutil_env_t * env)
+{
+    AXIS2_ENV_CHECK(env, AXIS2_FAILURE);
+
+    return (iterator->current_child) ? AXIS2_TRUE : AXIS2_FALSE;
+}
+
+AXIS2_EXTERN axiom_node_t *AXIS2_CALL axiom_child_element_iterator_next(
+    axiom_child_element_iterator_t * iterator,
+    const axutil_env_t * env)
+{
+    AXIS2_ENV_CHECK(env, NULL);
+
+    iterator->next_called = AXIS2_TRUE;
+    iterator->remove_called = AXIS2_FALSE;
+    if (iterator->current_child)
+    {
+        iterator->last_child = iterator->current_child;
+        do
+        {
+            iterator->current_child =
+            axiom_node_get_next_sibling(iterator->current_child, env);
+
+        }
+        while (iterator->current_child &&
+            (axiom_node_get_node_type(iterator->current_child, env)
+                != AXIOM_ELEMENT));
+
+        return iterator->last_child;
+    }
+    return NULL;
+}