diff --git a/src/ecmascript/spidermonkey/element.c b/src/ecmascript/spidermonkey/element.c
index 9a65a7450..98bdec3ba 100644
--- a/src/ecmascript/spidermonkey/element.c
+++ b/src/ecmascript/spidermonkey/element.c
@@ -1066,17 +1066,82 @@ element_set_property_title(JSContext *ctx, unsigned int argc, JS::Value *vp)
return true;
}
+static bool element_contains(JSContext *ctx, unsigned int argc, JS::Value *rval);
static bool element_getAttributeNode(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[] = {
+ { "contains", element_contains, 1 },
{ "getAttributeNode", element_getAttributeNode, 1 },
{ "hasAttribute", element_hasAttribute, 1 },
{ "hasAttributes", element_hasAttributes, 0 },
{ NULL }
};
+static void
+check_contains(xmlpp::Node *node, xmlpp::Node *searched, bool *result_set, bool *result)
+{
+ if (*result_set) {
+ return;
+ }
+
+ auto childs = node->get_children();
+ auto it = childs.begin();
+ auto end = childs.end();
+
+ for (; it != end; ++it) {
+ if (*it == searched) {
+ *result_set = true;
+ *result = true;
+ return;
+ }
+ check_contains(*it, searched, result_set, result);
+ }
+}
+
+static bool
+element_contains(JSContext *ctx, unsigned int argc, JS::Value *rval)
+{
+ JSCompartment *comp = js::GetContextCompartment(ctx);
+
+ if (!comp || argc != 1) {
+ return false;
+ }
+
+ JS::CallArgs args = CallArgsFromVp(argc, rval);
+ JS::RootedObject hobj(ctx, &args.thisv().toObject());
+
+ struct ecmascript_interpreter *interpreter = JS_GetCompartmentPrivate(comp);
+
+ if (!JS_InstanceOf(ctx, hobj, &element_class, NULL))
+ return false;
+
+ xmlpp::Element *el = JS_GetPrivate(hobj);
+
+ if (!el) {
+ args.rval().setBoolean(false);
+ return true;
+ }
+
+ JS::RootedObject node(ctx, &args[0].toObject());
+
+ xmlpp::Element *el2 = JS_GetPrivate(node);
+
+ if (!el2) {
+ args.rval().setBoolean(false);
+ return true;
+ }
+
+ bool result_set = false;
+ bool result = false;
+
+ check_contains(el, el2, &result_set, &result);
+ args.rval().setBoolean(result);
+
+ return true;
+}
+
static bool
element_getAttributeNode(JSContext *ctx, unsigned int argc, JS::Value *rval)
{
diff --git a/test/ecmascript/contains.html b/test/ecmascript/contains.html
new file mode 100644
index 000000000..b08d95816
--- /dev/null
+++ b/test/ecmascript/contains.html
@@ -0,0 +1,32 @@
+
+
+
+
+
+
+
+
+
I am a p element inside div, and I have a span element inside of me.
+
Click the button to find out if the div element contains a span element.
+
+
+
+
+
+
+
+
+