void ObjectWrapper::Key::del(JSContext* cx, JS::HandleObject o) {
switch (_type) {
case Type::Field:
if (JS_DeleteProperty(cx, o, _field))
return;
break;
case Type::Index:
if (JS_DeleteElement(cx, o, _idx))
return;
break;
case Type::Id: {
JS::RootedId id(cx, _id);
// For some reason JS_DeletePropertyById doesn't link
if (JS_DeleteProperty(cx, o, IdWrapper(cx, id).toString().c_str()))
return;
break;
}
case Type::InternedString: {
InternedStringId id(cx, _internedString);
if (JS_DeleteProperty(cx, o, IdWrapper(cx, id).toString().c_str()))
break;
}
}
throwCurrentJSException(cx, ErrorCodes::InternalError, "Failed to delete value on a JSObject");
}
void BSONInfo::delProperty(JSContext* cx, JS::HandleObject obj, JS::HandleId id, bool* succeeded) {
auto holder = getHolder(obj);
if (holder) {
if (holder->_readOnly) {
uasserted(ErrorCodes::BadValue, "Read only object");
}
holder->_altered = true;
holder->_removed.insert(IdWrapper(cx, id).toString());
}
*succeeded = true;
}
void BSONInfo::setProperty(
JSContext* cx, JS::HandleObject obj, JS::HandleId id, bool strict, JS::MutableHandleValue vp) {
auto holder = getHolder(obj);
if (holder) {
if (holder->_readOnly) {
uasserted(ErrorCodes::BadValue, "Read only object");
}
auto iter = holder->_removed.find(IdWrapper(cx, id).toString());
if (iter != holder->_removed.end()) {
holder->_removed.erase(iter);
}
holder->_altered = true;
}
ObjectWrapper(cx, obj).defineProperty(id, vp, JSPROP_ENUMERATE);
}
void BSONInfo::resolve(JSContext* cx, JS::HandleObject obj, JS::HandleId id, bool* resolvedp) {
auto holder = getHolder(obj);
*resolvedp = false;
if (!holder) {
return;
}
IdWrapper idw(cx, id);
if (!holder->_readOnly && holder->_removed.count(idw.toString())) {
return;
}
ObjectWrapper o(cx, obj);
std::string sname = IdWrapper(cx, id).toString();
if (holder->_obj.hasField(sname)) {
auto elem = holder->_obj[sname];
JS::RootedValue vp(cx);
ValueReader(cx, &vp).fromBSONElement(elem, holder->_readOnly);
o.defineProperty(id, vp, JSPROP_ENUMERATE);
if (!holder->_readOnly && (elem.type() == mongo::Object || elem.type() == mongo::Array)) {
// if accessing a subobject, we have no way to know if
// modifications are being made on writable objects
holder->_altered = true;
}
*resolvedp = true;
}
}
