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[js] hasAttributes

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This commit is contained in:
Witold Filipczyk 2021-05-08 19:55:58 +02:00
parent 0bdbb6aca6
commit d9073ea9b1
2 changed files with 45 additions and 0 deletions
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28
src/ecmascript/spidermonkey/element.c
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@ -817,9 +817,11 @@ element_set_property_title(JSContext *ctx, unsigned int argc, JS::Value *vp)
} }
static bool element_hasAttribute(JSContext *ctx, unsigned int argc, JS::Value *rval); static bool element_hasAttribute(JSContext *ctx, unsigned int argc, JS::Value *rval);
static bool element_hasAttributes(JSContext *ctx, unsigned int argc, JS::Value *rval);
const spidermonkeyFunctionSpec element_funcs[] = { const spidermonkeyFunctionSpec element_funcs[] = {
{ "hasAttribute", element_hasAttribute, 1 }, { "hasAttribute", element_hasAttribute, 1 },
{ "hasAttributes", element_hasAttributes, 0 },
{ NULL } { NULL }
}; };
@ -850,6 +852,32 @@ element_hasAttribute(JSContext *ctx, unsigned int argc, JS::Value *rval)
return true; return true;
} }
static bool
element_hasAttributes(JSContext *ctx, unsigned int argc, JS::Value *rval)
{
JSCompartment *comp = js::GetContextCompartment(ctx);
if (!comp || argc != 0) {
return false;
}
JS::CallArgs args = CallArgsFromVp(argc, rval);
JS::RootedObject hobj(ctx, &args.thisv().toObject());
if (!JS_InstanceOf(ctx, hobj, &element_class, NULL)) {
args.rval().setBoolean(false);
return true;
}
tree<HTML::Node> *el = JS_GetPrivate(hobj);
tree<HTML::Node>::iterator it = el->begin();
it->parseAttributes();
const std::map<std::string, std::string> attrs = it->attributes();
args.rval().setBoolean(!attrs.empty());
return true;
}
JSObject * JSObject *
getElement(JSContext *ctx, void *node) getElement(JSContext *ctx, void *node)

17
test/ecmascript/hasAttributes.html Normal file
View File

@ -0,0 +1,17 @@
<html>
<body>
<a href="/home">BBB</a>
<b id="aaaa">bbb</b>
<a id="blabla" href="/" rel="nofollow">
<b>AAA</b><u id="ble">UUU</u>AAAAAAA
</a>
<a id="bb" href="/">BB</a>
<script>
function aa()
{
alert(document.getElementById('blabla').hasAttributes());
}
</script>
<button onclick="return aa()">blabla has attributes</button>
</body>
</html>