diff options
Diffstat (limited to 'axiom/src/om/om_children_with_specific_attribute_iterator.c')
| -rw-r--r-- | axiom/src/om/om_children_with_specific_attribute_iterator.c | 177 |
1 files changed, 177 insertions, 0 deletions
diff --git a/axiom/src/om/om_children_with_specific_attribute_iterator.c b/axiom/src/om/om_children_with_specific_attribute_iterator.c new file mode 100644 index 0000000..8f2e463 --- /dev/null +++ b/axiom/src/om/om_children_with_specific_attribute_iterator.c @@ -0,0 +1,177 @@ +/* + * 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) +{ + AXIS2_ENV_CHECK(env, AXIS2_FAILURE); + AXIS2_PARAM_CHECK(env->error, iterator, 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; + axiom_node_free_tree(iterator->last_child, env); + iterator->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) +{ + AXIS2_ENV_CHECK(env, NULL); + AXIS2_PARAM_CHECK(env->error, iterator, 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))) + { + axiom_node_free_tree(iterator->last_child, env); + } + return iterator->last_child; +} |