From 3f0ef28f3398b65daad21e5fe70cdc1ac42d6a16 Mon Sep 17 00:00:00 2001
From: Witold Filipczyk <witekfl@poczta.onet.pl>
Date: Fri, 17 Sep 2021 18:28:40 +0200
Subject: [PATCH] [htmlCollection] set_items

---
 src/ecmascript/spidermonkey/element.c | 80 +++++++++++++++++++++++++++
 1 file changed, 80 insertions(+)

diff --git a/src/ecmascript/spidermonkey/element.c b/src/ecmascript/spidermonkey/element.c
index 889930af..53252dca 100644
--- a/src/ecmascript/spidermonkey/element.c
+++ b/src/ecmascript/spidermonkey/element.c
@@ -55,6 +55,8 @@
 #include <algorithm>
 #include <string>
 
+static bool htmlCollection_set_items(JSContext *ctx, JS::HandleObject hobj, void *node);
+
 static bool element_get_property_attributes(JSContext *ctx, unsigned int argc, JS::Value *vp);
 static bool element_get_property_children(JSContext *ctx, unsigned int argc, JS::Value *vp);
 static bool element_get_property_childElementCount(JSContext *ctx, unsigned int argc, JS::Value *vp);
@@ -3277,6 +3279,83 @@ htmlCollection_namedItem2(JSContext *ctx, JS::HandleObject hobj, char *str, JS::
 	return true;
 }
 
+static bool
+htmlCollection_set_items(JSContext *ctx, JS::HandleObject hobj, void *node)
+{
+#ifdef ECMASCRIPT_DEBUG
+	fprintf(stderr, "%s:%s\n", __FILE__, __FUNCTION__);
+#endif
+	struct view_state *vs;
+	struct document_view *doc_view;
+	struct document *document;
+	struct form_view *form_view;
+	struct form *form;
+
+	JS::Realm *comp = js::GetContextRealm(ctx);
+
+	if (!comp) {
+#ifdef ECMASCRIPT_DEBUG
+	fprintf(stderr, "%s:%s %d\n", __FILE__, __FUNCTION__, __LINE__);
+#endif
+		return false;
+	}
+
+	struct ecmascript_interpreter *interpreter = JS::GetRealmPrivate(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, &htmlCollection_class, NULL)) {
+#ifdef ECMASCRIPT_DEBUG
+	fprintf(stderr, "%s:%s %d\n", __FILE__, __FUNCTION__, __LINE__);
+#endif
+		return false;
+	}
+	vs = interpreter->vs;
+	doc_view = vs->doc_view;
+	document = doc_view->document;
+
+	int counter = 0;
+
+	xmlpp::Node::NodeSet *ns = JS_GetPrivate(hobj);
+
+	if (!ns) {
+		return true;
+	}
+
+	xmlpp::Element *element;
+
+	while (1) {
+		try {
+			element = ns->at(counter);
+		} catch (std::out_of_range e) { return true;}
+
+		if (!element) {
+			return true;
+		}
+
+		JSObject *obj = getElement(ctx, element);
+
+		if (!obj) {
+			continue;
+		}
+		JS::RootedObject v(ctx, obj);
+		JS::RootedValue ro(ctx, JS::ObjectOrNullValue(v));
+		JS_SetElement(ctx, hobj, counter, ro);
+
+		xmlpp::ustring name = element->get_attribute_value("id");
+		if (name == "") {
+			name = element->get_attribute_value("name");
+		}
+		if (name != "" && name != "item" && name != "namedItem") {
+			JS_DefineProperty(ctx, hobj, name.c_str(), ro, JSPROP_ENUMERATE);
+		}
+		counter++;
+	}
+
+	return true;
+}
+
 static bool
 htmlCollection_get_property(JSContext *ctx, JS::HandleObject hobj, JS::HandleId hid, JS::MutableHandleValue hvp)
 {
@@ -3353,6 +3432,7 @@ getCollection(JSContext *ctx, void *node)
 	spidermonkey_DefineFunctions(ctx, el, htmlCollection_funcs);
 
 	JS_SetPrivate(el, node);
+	htmlCollection_set_items(ctx, r_el, node);
 
 	return el;
 }