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[js] lastChild

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This commit is contained in:
Witold Filipczyk 2021-05-09 21:53:14 +02:00
parent 8c7517189d
commit 6798ffc8b0
2 changed files with 61 additions and 0 deletions
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46
src/ecmascript/spidermonkey/element.c
View File

@ -64,6 +64,7 @@ static bool element_get_property_innerHtml(JSContext *ctx, unsigned int argc, JS
static bool element_set_property_innerHtml(JSContext *ctx, unsigned int argc, JS::Value *vp);
static bool element_get_property_lang(JSContext *ctx, unsigned int argc, JS::Value *vp);
static bool element_set_property_lang(JSContext *ctx, unsigned int argc, JS::Value *vp);
static bool element_get_property_lastChild(JSContext *ctx, unsigned int argc, JS::Value *vp);
static bool element_get_property_outerHtml(JSContext *ctx, unsigned int argc, JS::Value *vp);
static bool element_set_property_outerHtml(JSContext *ctx, unsigned int argc, JS::Value *vp);
static bool element_get_property_tagName(JSContext *ctx, unsigned int argc, JS::Value *vp);
@ -92,6 +93,7 @@ JSPropertySpec element_props[] = {
JS_PSGS("id", element_get_property_id, element_set_property_id, JSPROP_ENUMERATE),
JS_PSGS("innerHTML", element_get_property_innerHtml, element_set_property_innerHtml, JSPROP_ENUMERATE),
JS_PSGS("lang", element_get_property_lang, element_set_property_lang, JSPROP_ENUMERATE),
JS_PSG("lastChild", element_get_property_lastChild, JSPROP_ENUMERATE),
JS_PSGS("outerHTML", element_get_property_outerHtml, element_set_property_outerHtml, JSPROP_ENUMERATE),
JS_PSG("tagName", element_get_property_tagName, JSPROP_ENUMERATE),
JS_PSGS("textContent", element_get_property_textContent, element_set_property_textContent, JSPROP_ENUMERATE),
@ -344,6 +346,50 @@ element_get_property_lang(JSContext *ctx, unsigned int argc, JS::Value *vp)
return true;
}
static bool
element_get_property_lastChild(JSContext *ctx, unsigned int argc, JS::Value *vp)
{
JS::CallArgs args = CallArgsFromVp(argc, vp);
JS::RootedObject hobj(ctx, &args.thisv().toObject());
struct view_state *vs;
JSCompartment *comp = js::GetContextCompartment(ctx);
if (!comp) {
return false;
}
struct ecmascript_interpreter *interpreter = JS_GetCompartmentPrivate(comp);
/* This can be called if @obj if not itself an instance of the
* appropriate class but has one in its prototype chain. Fail
* such calls. */
if (!JS_InstanceOf(ctx, hobj, &element_class, NULL))
return false;
vs = interpreter->vs;
if (!vs) {
return false;
}
xmlpp::Element *el = JS_GetPrivate(hobj);
if (!el) {
args.rval().setNull();
return true;
}
auto nodes = el->get_children();
if (nodes.empty()) {
args.rval().setNull();
return true;
}
JSObject *elem = getElement(ctx, *(nodes.rbegin()));
args.rval().setObject(*elem);
return true;
}
static bool
element_get_property_tagName(JSContext *ctx, unsigned int argc, JS::Value *vp)

15
test/ecmascript/lastChild.html Normal file
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@ -0,0 +1,15 @@
<html>
<body>
<a href="/home">BBB</a>
<b dir="ltr" id="aaaa" class="a b c">bbb</b>
<a dir="rtl" id="blabla" href="/"><b id="b1">AAA</b><u dir="auto" id="ble" title="test">UUUAAAAAAA</u></a>
<a id="bb" dir="blalalala" href="/">BB</a>
<script>
function aa()
{
alert(document.getElementById('blabla').lastChild.innerHTML);
}
</script>
<button onclick="return aa()">Click me!</button>
</body>
</html>