Comments (3)
Can't say I've used that syntax before - it's not clear to me what it's doing,
as that doesn't appear to be applying the option to the *field* (which it's
doing in the first one). However, we don't do any parsing ourselves - we just
delegate to protoc. So if it works in protoc, that should be fine for
protobuf-csharp-port too.
Original comment by jonathan.skeet
on 20 Jul 2011 at 5:24
from protobuf-csharp-port.
I admit I still don't really grok what's going on here, but fortunately I have
collaborators who do :) Explanation from Roger:
The language guide for protobuffers has some information on this:
http://code.google.com/apis/protocolbuffers/docs/proto.html#options
Specifically it states: "Note that if you want to use a custom option in a
package other than the one in which it was defined, you must prefix the option
name with the package name, just as you would for type names."
This is the reason that you see the qualifier "google.protobuf.". The reason
for the "csharp_field_options" is that the option itself is a message not a
field. So the syntax you wrote works when you are accessing a field extension
of message from the same package:
extend google.protobuf.MessageOptions {
optional int32 msg_type = 50001;
}
message Msg {
option (msg_type) = 11;
required string name = 1;
required string pswd = 2;
}
-----
I'm closing this as WontFix as I can't see that it's anything that this code
base could change either way.
Original comment by jonathan.skeet
on 13 Aug 2011 at 6:33
- Changed state: WontFix
from protobuf-csharp-port.
yes, i can use it with the type before.
Thanks a lot.
Original comment by [email protected]
on 19 Aug 2011 at 6:41
from protobuf-csharp-port.
Related Issues (20)
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