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[js] element.nodeValue

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This commit is contained in:
Witold Filipczyk 2021-05-18 18:36:01 +02:00
parent 54f902e72a
commit 835d42e892
2 changed files with 87 additions and 1 deletions
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69
src/ecmascript/spidermonkey/element.c
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@ -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_nodeName(JSContext *ctx, unsigned int argc, JS::Value *vp);
static bool element_get_property_nodeType(JSContext *ctx, unsigned int argc, JS::Value *vp);
static bool element_get_property_nodeValue(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);
@ -113,6 +114,7 @@ JSPropertySpec element_props[] = {
JS_PSG("nextSibling", element_get_property_nextSibling, JSPROP_ENUMERATE),
JS_PSG("nodeName", element_get_property_nodeName, JSPROP_ENUMERATE),
JS_PSG("nodeType", element_get_property_nodeType, JSPROP_ENUMERATE),
JS_PSG("nodeValue", element_get_property_nodeValue, 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),
@ -680,7 +682,6 @@ element_get_property_nodeName(JSContext *ctx, unsigned int argc, JS::Value *vp)
return true;
}
static bool
element_get_property_nodeType(JSContext *ctx, unsigned int argc, JS::Value *vp)
{
@ -730,6 +731,72 @@ element_get_property_nodeType(JSContext *ctx, unsigned int argc, JS::Value *vp)
return true;
}
static bool
element_get_property_nodeValue(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::Node *node = JS_GetPrivate(hobj);
if (!node) {
args.rval().setNull();
return true;
}
if (dynamic_cast<const xmlpp::Element*>(node)) {
args.rval().setNull();
return true;
}
auto el = dynamic_cast<const xmlpp::Attribute*>(node);
if (el) {
std::string v = el->get_value();
args.rval().setString(JS_NewStringCopyZ(ctx, v.c_str()));
return true;
}
auto el2 = dynamic_cast<const xmlpp::TextNode*>(node);
if (el2) {
std::string v = el2->get_content();
args.rval().setString(JS_NewStringCopyZ(ctx, v.c_str()));
return true;
}
auto el3 = dynamic_cast<const xmlpp::CommentNode*>(node);
if (el3) {
std::string v = el3->get_content();
args.rval().setString(JS_NewStringCopyZ(ctx, v.c_str()));
return true;
}
args.rval().setUndefined();
return true;
}
static bool
element_get_property_nextSibling(JSContext *ctx, unsigned int argc, JS::Value *vp)
{

19
test/ecmascript/nodeValue.html Normal file
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@ -0,0 +1,19 @@
<!DOCTYPE html>
<html>
<body>
<p id="myP"><!--Click the button--> to get the node type of this element.</p>
<button onclick="myFunction()">Try it</button>
<p id="demo"></p>
<script>
function myFunction() {
var x = document.getElementById("myP").firstChild.nodeValue;
alert(x);
}
</script>
</body>
</html>