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[quickjs] element.closest

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This commit is contained in:
Witold Filipczyk 2024-05-06 21:22:16 +02:00
parent 3406220379
commit 3c81545b81
2 changed files with 41 additions and 37 deletions
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67
src/ecmascript/quickjs/element.c
View File

@ -2294,56 +2294,59 @@ js_element_closest(JSContext *ctx, JSValueConst this_val, int argc, JSValueConst
#ifdef ECMASCRIPT_DEBUG
fprintf(stderr, "%s:%s\n", __FILE__, __FUNCTION__);
#endif
// TODO
#if 0
REF_JS(this_val);
if (argc != 1) {
return JS_UNDEFINED;
}
xmlpp::Element *el = static_cast<xmlpp::Element *>(js_getopaque(this_val, js_element_class_id));
dom_node *el = (dom_node *)(js_getopaque(this_val, js_element_class_id));
void *res = NULL;
if (!el) {
struct ecmascript_interpreter *interpreter = (struct ecmascript_interpreter *)JS_GetContextOpaque(ctx);
struct document_view *doc_view = interpreter->vs->doc_view;
struct document *document = doc_view->document;
if (!document->dom) {
return JS_NULL;
}
const char *str;
size_t len;
str = JS_ToCStringLen(ctx, &len, argv[0]);
const char *selector = JS_ToCStringLen(ctx, &len, argv[0]);
if (!str) {
return JS_EXCEPTION;
if (!selector) {
return JS_NULL;
}
xmlpp::ustring css = str;
xmlpp::ustring xpath = css2xpath(css);
JS_FreeCString(ctx, str);
dom_node *root = NULL; /* root element of document */
/* Get root element */
dom_exception exc = dom_document_get_document_element(document->dom, &root);
xmlpp::Node::NodeSet elements;
try {
elements = el->find(xpath);
} catch (xmlpp::exception &e) {
if (exc != DOM_NO_ERR || !root) {
JS_FreeCString(ctx, selector);
return JS_NULL;
}
if (elements.size() == 0) {
return JS_NULL;
}
while (el) {
res = el_match_selector(selector, el);
while (el)
{
for (auto node: elements)
{
if (isAncestor(el, node))
{
return getElement(ctx, node);
}
if (res) {
break;
}
el = el->get_parent();
if (el == root) {
break;
}
dom_node *node = NULL;
exc = dom_node_get_parent_node(el, &node);
if (exc != DOM_NO_ERR || !node) {
break;
}
el = node;
}
#endif
return JS_NULL;
JS_FreeCString(ctx, selector);
dom_node_unref(root);
if (!res) {
return JS_NULL;
}
return getElement(ctx, res);
}
static JSValue

11
test/ecmascript/assert/element.closest.html
View File

@ -10,15 +10,16 @@
<script>
var element = document.getElementById("myElement");
var closest = element.closest("div.container");
var closes2 = element.closest("div.container");
console.error('element.closest.html');
console.assert(closest.outerHTML === '<DIV class="demo container">Parent\n <DIV id="myElement" class="demo">The outer HTML of closest element will be shown.</DIV>\n </DIV>', 'TODO');
console.assert(closes2, 'not null');
//console.assert(closes2.outerHTML === '<DIV class="demo container">Parent\n <DIV id="myElement" class="demo">The outer HTML of closest element will be shown.</DIV>\n </DIV>', 'TODO');
closest = element.closest("p.test");
console.assert(closest === null, 'NULL');
closes2 = element.closest("p.test");
console.assert(closes2 === null, 'NULL');
console.exit(1);
console.exit(0);
</script>
</body>