static bool
XPC_WN_Shared_Proto_Enumerate(JSContext* cx, HandleObject obj)
{
MOZ_ASSERT(js::GetObjectClass(obj) == &XPC_WN_ModsAllowed_Proto_JSClass ||
js::GetObjectClass(obj) == &XPC_WN_NoMods_Proto_JSClass,
"bad proto");
XPCWrappedNativeProto* self =
(XPCWrappedNativeProto*) xpc_GetJSPrivate(obj);
if (!self)
return false;
XPCNativeSet* set = self->GetSet();
if (!set)
return false;
XPCCallContext ccx(cx);
if (!ccx.IsValid())
return false;
uint16_t interface_count = set->GetInterfaceCount();
XPCNativeInterface** interfaceArray = set->GetInterfaceArray();
for (uint16_t i = 0; i < interface_count; i++) {
XPCNativeInterface* iface = interfaceArray[i];
uint16_t member_count = iface->GetMemberCount();
for (uint16_t k = 0; k < member_count; k++) {
if (!xpc_ForcePropertyResolve(cx, obj, iface->GetMemberAt(k)->GetName()))
return false;
}
}
return true;
}
bool
NativeSetMap::Entry::Match(const PLDHashEntryHdr* entry, const void* key)
{
auto Key = static_cast<const XPCNativeSetKey*>(key);
XPCNativeSet* SetInTable = ((Entry*)entry)->key_value;
XPCNativeSet* Set = Key->GetBaseSet();
XPCNativeInterface* Addition = Key->GetAddition();
if (!Set) {
// This is a special case to deal with the invariant that says:
// "All sets have exactly one nsISupports interface and it comes first."
// See XPCNativeSet::NewInstance for details.
//
// Though we might have a key that represents only one interface, we
// know that if that one interface were contructed into a set then
// it would end up really being a set with two interfaces (except for
// the case where the one interface happened to be nsISupports).
return (SetInTable->GetInterfaceCount() == 1 &&
SetInTable->GetInterfaceAt(0) == Addition) ||
(SetInTable->GetInterfaceCount() == 2 &&
SetInTable->GetInterfaceAt(1) == Addition);
}
if (!Addition && Set == SetInTable)
return true;
uint16_t count = Set->GetInterfaceCount();
if (count + (Addition ? 1 : 0) != SetInTable->GetInterfaceCount())
return false;
XPCNativeInterface** CurrentInTable = SetInTable->GetInterfaceArray();
XPCNativeInterface** Current = Set->GetInterfaceArray();
for (uint16_t i = 0; i < count; i++) {
if (*(Current++) != *(CurrentInTable++))
return false;
}
return !Addition || Addition == *(CurrentInTable++);
}
bool
XPC_WN_Shared_Enumerate(JSContext* cx, HandleObject obj)
{
XPCCallContext ccx(cx, obj);
XPCWrappedNative* wrapper = ccx.GetWrapper();
THROW_AND_RETURN_IF_BAD_WRAPPER(cx, wrapper);
// Since we aren't going to enumerate tearoff names and the prototype
// handles non-mutated members, we can do this potential short-circuit.
if (!wrapper->HasMutatedSet())
return true;
XPCNativeSet* set = wrapper->GetSet();
XPCNativeSet* protoSet = wrapper->HasProto() ?
wrapper->GetProto()->GetSet() : nullptr;
uint16_t interface_count = set->GetInterfaceCount();
XPCNativeInterface** interfaceArray = set->GetInterfaceArray();
for (uint16_t i = 0; i < interface_count; i++) {
XPCNativeInterface* iface = interfaceArray[i];
uint16_t member_count = iface->GetMemberCount();
for (uint16_t k = 0; k < member_count; k++) {
XPCNativeMember* member = iface->GetMemberAt(k);
jsid name = member->GetName();
// Skip if this member is going to come from the proto.
uint16_t index;
if (protoSet &&
protoSet->FindMember(name, nullptr, &index) && index == i)
continue;
if (!xpc_ForcePropertyResolve(cx, obj, name))
return false;
}
}
return true;
}
