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[spidermonkey] closest rewritten

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This commit is contained in:
Witold Filipczyk 2021-12-18 09:41:14 +01:00
parent 88985ffa8d
commit bfccd6416e
1 changed files with 35 additions and 28 deletions
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63
src/ecmascript/spidermonkey/element.c
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@ -2498,6 +2498,19 @@ element_cloneNode(JSContext *ctx, unsigned int argc, JS::Value *rval)
}
}
static bool
isAncestor(xmlpp::Element *el, xmlpp::Element *node)
{
while (node) {
if (el == node) {
return true;
}
node = node->get_parent();
}
return false;
}
static bool
element_closest(JSContext *ctx, unsigned int argc, JS::Value *vp)
{
@ -2531,31 +2544,37 @@ element_closest(JSContext *ctx, unsigned int argc, JS::Value *vp)
jshandle_value_to_char_string(&cssstr, ctx, args[0]);
xmlpp::ustring css = cssstr.source;
xmlpp::ustring xpath = css2xpath(css);
if (xpath[0] == '/' && xpath[1] == '/')
{
xpath = xmlpp::ustring("descendant-or-self::") + xpath.substr(2);
}
done_string(&cssstr);
xmlpp::Node::NodeSet elements;
do {
try {
elements = el->find(xpath);
try {
elements = el->find(xpath);
} catch (xmlpp::exception) {
args.rval().setNull();
if (elements.size()) {
JSObject *elem = getElement(ctx, el);
return true;
}
if (elements.size() == 0) {
args.rval().setNull();
return true;
}
while (el)
{
for (auto node: elements)
{
if (isAncestor(el, node))
{
JSObject *elem = getElement(ctx, node);
args.rval().setObject(*elem);
return true;
}
el = dynamic_cast<xmlpp::Element*>(el->get_parent());
} catch (xmlpp::exception) {
args.rval().setNull();
return true;
}
} while (el);
el = el->get_parent();
}
args.rval().setNull();
return true;
@ -3021,18 +3040,6 @@ element_matches(JSContext *ctx, unsigned int argc, JS::Value *vp)
return true;
}
static bool
isAncestor(xmlpp::Element *el, xmlpp::Element *node)
{
while (node) {
if (el == node) {
return true;
}
node = node->get_parent();
}
return false;
}
static bool
element_querySelector(JSContext *ctx, unsigned int argc, JS::Value *vp)