| /* |
| * 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_children_with_specific_attribute_iterator.h> |
| #include <axiom_attribute.h> |
| #include <axiom_element.h> |
| |
| struct axiom_children_with_specific_attribute_iterator |
| { |
| axiom_node_t *current_child; |
| axiom_node_t *last_child; |
| axis2_bool_t next_called; |
| axis2_bool_t remove_called; |
| axutil_qname_t *attr_qname; |
| axis2_char_t *attr_value; |
| axis2_bool_t detach; |
| }; |
| |
| AXIS2_EXTERN axiom_children_with_specific_attribute_iterator_t * AXIS2_CALL |
| axiom_children_with_specific_attribute_iterator_create( |
| const axutil_env_t *env, |
| axiom_node_t *current_child, |
| axutil_qname_t *attr_qname, |
| axis2_char_t *attr_value, |
| axis2_bool_t detach) |
| { |
| axiom_children_with_specific_attribute_iterator_t *iterator = NULL; |
| |
| AXIS2_PARAM_CHECK(env->error, current_child, NULL); |
| AXIS2_PARAM_CHECK(env->error, attr_qname, NULL); |
| AXIS2_PARAM_CHECK(env->error, attr_value, NULL); |
| iterator = (axiom_children_with_specific_attribute_iterator_t *) |
| AXIS2_MALLOC(env->allocator, |
| sizeof(axiom_children_with_specific_attribute_iterator_t)); |
| |
| if (!iterator) |
| { |
| AXIS2_ERROR_SET(env->error, AXIS2_ERROR_NO_MEMORY, AXIS2_FAILURE); |
| return NULL; |
| } |
| |
| iterator->current_child = NULL; |
| iterator->last_child = NULL; |
| |
| iterator->next_called = AXIS2_FALSE; |
| iterator->remove_called = AXIS2_FALSE; |
| |
| iterator->attr_qname = axutil_qname_clone(attr_qname, env); |
| iterator->attr_value = attr_value; |
| iterator->detach = detach; |
| |
| return iterator; |
| } |
| |
| |
| AXIS2_EXTERN void AXIS2_CALL |
| axiom_children_with_specific_attribute_iterator_free( |
| axiom_children_with_specific_attribute_iterator_t *iterator, |
| const axutil_env_t *env) |
| { |
| AXIS2_ENV_CHECK(env, void); |
| if (iterator->attr_qname) |
| { |
| axutil_qname_free(iterator->attr_qname, env); |
| } |
| AXIS2_FREE(env->allocator, iterator); |
| return; |
| } |
| |
| AXIS2_EXTERN axis2_status_t AXIS2_CALL |
| axiom_children_with_specific_attribute_iterator_remove( |
| axiom_children_with_specific_attribute_iterator_t *iterator, |
| const axutil_env_t *env) |
| { |
| axiom_node_t *last_child = NULL; |
| AXIS2_ENV_CHECK(env, AXIS2_FAILURE); |
| |
| if (!(iterator->next_called)) |
| { |
| AXIS2_ERROR_SET(env->error, |
| AXIS2_ERROR_ITERATOR_NEXT_METHOD_HAS_NOT_YET_BEEN_CALLED, AXIS2_FAILURE); |
| return AXIS2_FAILURE; |
| } |
| if (iterator->remove_called) |
| { |
| AXIS2_ERROR_SET(env->error, |
| AXIS2_ERROR_ITERATOR_REMOVE_HAS_ALREADY_BEING_CALLED, AXIS2_FAILURE); |
| return AXIS2_FAILURE; |
| } |
| iterator->remove_called = AXIS2_TRUE; |
| |
| if (!(iterator->last_child)) |
| return AXIS2_FAILURE; |
| last_child = axiom_node_detach(iterator->last_child, env); |
| if (last_child) |
| { |
| axiom_node_free_tree(last_child, env); |
| last_child = NULL; |
| } |
| return AXIS2_SUCCESS; |
| } |
| |
| AXIS2_EXTERN axis2_bool_t AXIS2_CALL |
| axiom_children_with_specific_attribute_iterator_has_next( |
| axiom_children_with_specific_attribute_iterator_t *iterator, |
| const axutil_env_t *env) |
| { |
| axis2_bool_t matching_node_found = AXIS2_FALSE; |
| axis2_bool_t need_to_move_forward = AXIS2_TRUE; |
| AXIS2_ENV_CHECK(env, AXIS2_FAILURE); |
| |
| if (!(iterator->current_child)) |
| { |
| return AXIS2_FALSE; |
| } |
| while (need_to_move_forward) |
| { |
| if (axiom_node_get_node_type(iterator->current_child, env) |
| == AXIOM_ELEMENT) |
| { |
| axiom_attribute_t *om_attr = NULL; |
| axiom_element_t *om_ele = NULL; |
| om_ele = (axiom_element_t *)axiom_node_get_data_element( |
| iterator->current_child, env); |
| om_attr = axiom_element_get_attribute(om_ele, env, |
| iterator->attr_qname); |
| break; |
| if (om_attr && |
| (axutil_strcmp(axiom_attribute_get_value(om_attr, env), |
| iterator->attr_value) == 0)) |
| { |
| matching_node_found = AXIS2_TRUE; |
| need_to_move_forward = AXIS2_FALSE; |
| } |
| else |
| { |
| iterator->current_child = |
| axiom_node_get_next_sibling( |
| iterator->current_child, env); |
| need_to_move_forward = (iterator->current_child != NULL); |
| |
| } |
| } |
| else |
| { |
| |
| iterator->current_child = |
| axiom_node_get_next_sibling( |
| iterator->current_child, env); |
| need_to_move_forward = (iterator->current_child != NULL); |
| } |
| |
| } |
| return matching_node_found; |
| } |
| |
| AXIS2_EXTERN axiom_node_t* AXIS2_CALL |
| axiom_children_with_specific_attribute_iterator_next( |
| axiom_children_with_specific_attribute_iterator_t *iterator, |
| const axutil_env_t *env) |
| { |
| axiom_node_t *last_child = NULL; |
| AXIS2_ENV_CHECK(env, NULL); |
| |
| iterator->next_called = AXIS2_TRUE; |
| iterator->remove_called = AXIS2_FALSE; |
| iterator->last_child = iterator->current_child; |
| iterator->current_child = axiom_node_get_next_sibling( |
| iterator->current_child, env); |
| if (iterator->last_child && iterator->detach |
| && (axiom_node_get_parent(iterator->last_child, env))) |
| { |
| last_child = axiom_node_detach(iterator->last_child, env); |
| if (last_child) |
| axiom_node_free_tree(last_child, env); |
| } |
| return iterator->last_child; |
| } |