I would like to check (via reflection) whether a particular field within a
oneof. This is the example message:
message Foo {
oneof Bar {
int32 A = 1;
string B = 2;
}
}
I browse through the .h and it seems like the only plausible check is to
examine it via Foo.GetReflection->HasOneof(), but I found it hardcoded as
false in message.h:
class LIBPROTOBUF_EXPORT Reflection {
public:
...
// Check if the oneof is set. Returns true if any field in oneof
// is set, false otherwise.
// TODO(jieluo) - make it pure virtual after updating all
// the subclasses.
virtual bool HasOneof(const Message& /*message*/,
const OneofDescriptor* /*oneof_descriptor*/) const {
return false;
}
...
}
Am I missing something?
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