From 22acacb47b24bf68b4ce0f3d6af1bac25aa32865 Mon Sep 17 00:00:00 2001 From: Witold Filipczyk Date: Sun, 16 May 2021 15:56:02 +0200 Subject: [PATCH] [js] element.parentElement --- src/ecmascript/spidermonkey/element.c | 48 +++++++++++++++++++++++++++ test/ecmascript/parentElement.html | 26 +++++++++++++++ 2 files changed, 74 insertions(+) create mode 100644 test/ecmascript/parentElement.html diff --git a/src/ecmascript/spidermonkey/element.c b/src/ecmascript/spidermonkey/element.c index 72b582d04..585e29381 100644 --- a/src/ecmascript/spidermonkey/element.c +++ b/src/ecmascript/spidermonkey/element.c @@ -73,6 +73,7 @@ static bool element_get_property_nextElementSibling(JSContext *ctx, unsigned int static bool element_get_property_nextSibling(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_parentElement(JSContext *ctx, unsigned int argc, JS::Value *vp); static bool element_get_property_parentNode(JSContext *ctx, unsigned int argc, JS::Value *vp); static bool element_get_property_previousElementSibling(JSContext *ctx, unsigned int argc, JS::Value *vp); static bool element_get_property_previousSibling(JSContext *ctx, unsigned int argc, JS::Value *vp); @@ -109,6 +110,7 @@ JSPropertySpec element_props[] = { JS_PSG("nextElementSibling", element_get_property_nextElementSibling, JSPROP_ENUMERATE), JS_PSG("nextSibling", element_get_property_nextSibling, JSPROP_ENUMERATE), JS_PSGS("outerHTML", element_get_property_outerHtml, element_set_property_outerHtml, JSPROP_ENUMERATE), + JS_PSG("parentElement", element_get_property_parentElement, JSPROP_ENUMERATE), JS_PSG("parentNode", element_get_property_parentNode, JSPROP_ENUMERATE), JS_PSG("previousElementSibling", element_get_property_previousElementSibling, JSPROP_ENUMERATE), JS_PSG("previousSibling", element_get_property_previousSibling, JSPROP_ENUMERATE), @@ -666,6 +668,52 @@ element_get_property_nextSibling(JSContext *ctx, unsigned int argc, JS::Value *v return true; } +static bool +element_get_property_parentElement(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 node = dynamic_cast(el->get_parent()); + + if (!node) { + args.rval().setNull(); + return true; + } + + JSObject *elem = getElement(ctx, node); + args.rval().setObject(*elem); + + return true; +} + static bool element_get_property_parentNode(JSContext *ctx, unsigned int argc, JS::Value *vp) { diff --git a/test/ecmascript/parentElement.html b/test/ecmascript/parentElement.html new file mode 100644 index 000000000..1a080558b --- /dev/null +++ b/test/ecmascript/parentElement.html @@ -0,0 +1,26 @@ + + + + +

Example list:

+ + + +

Click the button to get the node name of the parent node of the li element in the list.

+ + + +

+ + + + + \ No newline at end of file