You can and it does. The problem is that the wire format by itself doesn't tell it **what message type** the root object is. So you need to tell it in the additional parameter to --decode
On 10 Dec 2017 3:14 p.m., "Jim Baldwin" <[email protected]> wrote: It's not really just a sequence; it's a hierarchy, isn't it? Why can't I use --decode <root> or something like that? On Saturday, December 9, 2017 at 4:20:15 PM UTC-8, Ilia Mirkin wrote: > On Sat, Dec 9, 2017 at 5:52 PM, Jim Baldwin <[email protected]> wrote: > > I have a protobuf file, and a .proto file that describes the schema. > > > > The .proto describes dozens of different messages that may be in the > > protobuf file. > > > > I would like to know what messages can be found in the file. I do a > protoc > > --decode_raw and get something out, but I don't see how to use that to > > figure out how to extract messages from the file. > > > > I assume there's something I don't get about protobufs, but it seems to > me I > > should be able to take a protobuf data file and corresponding .proto and > > turn it into a file that lets me see what the message hierarchy is in > the > > file. JSON would be a great way to do that. > > > > What am I missing? > > An encoded protobuf is just a sequence of (tag, value) pairs. If you > don't know which proto it is, decode_raw is the best you can do. If > you do know which proto it is, you can use --decode instead and pass > it a proto name to use for the decoding. > > Cheers, > > -ilia > -- You received this message because you are subscribed to the Google Groups "Protocol Buffers" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send email to [email protected]. Visit this group at https://groups.google.com/group/protobuf. For more options, visit https://groups.google.com/d/optout. -- You received this message because you are subscribed to the Google Groups "Protocol Buffers" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send email to [email protected]. Visit this group at https://groups.google.com/group/protobuf. For more options, visit https://groups.google.com/d/optout.
