bool
BaseProxyHandler::getOwnEnumerablePropertyKeys(JSContext *cx, HandleObject proxy,
AutoIdVector &props) const
{
assertEnteredPolicy(cx, proxy, JSID_VOID, ENUMERATE);
MOZ_ASSERT(props.length() == 0);
if (!ownPropertyKeys(cx, proxy, props))
return false;
/* Select only the enumerable properties through in-place iteration. */
RootedId id(cx);
size_t i = 0;
for (size_t j = 0, len = props.length(); j < len; j++) {
MOZ_ASSERT(i <= j);
id = props[j];
if (JSID_IS_SYMBOL(id))
continue;
AutoWaivePolicy policy(cx, proxy, id, BaseProxyHandler::GET);
Rooted<PropertyDescriptor> desc(cx);
if (!getOwnPropertyDescriptor(cx, proxy, id, &desc))
return false;
if (desc.object() && desc.isEnumerable())
props[i++].set(id);
}
MOZ_ASSERT(i <= props.length());
props.resize(i);
return true;
}
bool
JSProxyHandler::enumerateOwn(JSContext *cx, JSObject *proxy, AutoIdVector &props)
{
JS_ASSERT(OperationInProgress(cx, proxy));
JS_ASSERT(props.length() == 0);
if (!getOwnPropertyNames(cx, proxy, props))
return false;
/* Select only the enumerable properties through in-place iteration. */
AutoPropertyDescriptorRooter desc(cx);
size_t i = 0;
for (size_t j = 0, len = props.length(); j < len; j++) {
JS_ASSERT(i <= j);
jsid id = props[j];
if (!getOwnPropertyDescriptor(cx, proxy, id, false, &desc))
return false;
if (desc.obj && (desc.attrs & JSPROP_ENUMERATE))
props[i++] = id;
}
JS_ASSERT(i <= props.length());
props.resize(i);
return true;
}
static bool
Filter(JSContext *cx, JSObject *wrapper, AutoIdVector &props)
{
size_t w = 0;
for (size_t n = 0; n < props.length(); ++n) {
jsid id = props[n];
if (Policy::check(cx, wrapper, id, Wrapper::GET))
props[w++] = id;
else if (JS_IsExceptionPending(cx))
return false;
}
props.resize(w);
return true;
}
static bool
Filter(JSContext *cx, JSObject *wrapper, AutoIdVector &props)
{
size_t w = 0;
for (size_t n = 0; n < props.length(); ++n) {
jsid id = props[n];
Permission perm;
if (!Policy::check(cx, wrapper, id, Wrapper::GET, perm))
return false; // Error
if (perm != DenyAccess)
props[w++] = id;
}
props.resize(w);
return true;
}
static bool
Filter(JSContext* cx, HandleObject wrapper, AutoIdVector& props)
{
size_t w = 0;
RootedId id(cx);
for (size_t n = 0; n < props.length(); ++n) {
id = props[n];
if (Policy::check(cx, wrapper, id, Wrapper::GET) || Policy::check(cx, wrapper, id, Wrapper::SET))
props[w++].set(id);
else if (JS_IsExceptionPending(cx))
return false;
}
props.resize(w);
return true;
}
