diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/core/element.c | 86 |
1 files changed, 86 insertions, 0 deletions
diff --git a/src/core/element.c b/src/core/element.c index fbb2388..a792ae5 100644 --- a/src/core/element.c +++ b/src/core/element.c @@ -1225,6 +1225,92 @@ dom_exception _dom_element_has_class(struct dom_element *element, return DOM_NO_ERR; } +/** + * Get a named ancestor node + * + * \param element Element to consider + * \param name Node name to look for + * \param ancestor Pointer to location to receive node pointer + * \return DOM_NO_ERR. + */ +dom_exception dom_element_named_ancestor_node(dom_element *element, + lwc_string *name, dom_element **ancestor) +{ + dom_node_internal *node = (dom_node_internal *)element; + + *ancestor = NULL; + + for (node = node->parent; node != NULL; node = node->parent) { + if (node->type != DOM_ELEMENT_NODE) + continue; + + assert(node->name != NULL); + + if (dom_string_caseless_lwc_isequal(node->name, name)) { + *ancestor = (dom_element *)node; + break; + } + } + + return DOM_NO_ERR; +} + +/** + * Get a named parent node + * + * \param element Element to consider + * \param name Node name to look for + * \param parent Pointer to location to receive node pointer + * \return DOM_NO_ERR. + */ +dom_exception dom_element_named_parent_node(dom_element *element, + lwc_string *name, dom_element **parent) +{ + dom_node_internal *node = (dom_node_internal *)element; + + *parent = NULL; + + for (node = node->parent; node != NULL; node = node->parent) { + if (node->type != DOM_ELEMENT_NODE) + continue; + + assert(node->name != NULL); + + if (dom_string_caseless_lwc_isequal(node->name, name)) { + *parent = (dom_element *)node; + } + break; + } + + return DOM_NO_ERR; +} + +/** + * Get a named parent node + * + * \param element Element to consider + * \param name Node name to look for + * \param parent Pointer to location to receive node pointer + * \return DOM_NO_ERR. + */ +dom_exception dom_element_parent_node(dom_element *element, + dom_element **parent) +{ + dom_node_internal *node = (dom_node_internal *)element; + + *parent = NULL; + + for (node = node->parent; node != NULL; node = node->parent) { + if (node->type != DOM_ELEMENT_NODE) + continue; + + *parent = (dom_element *)node; + break; + } + + return DOM_NO_ERR; +} + /*------------- The overload virtual functions ------------------------*/ /* Overload function of Node, please refer src/core/node.c for detail */ |