Is there a tool that I can use to verify that I'm actually working with a file created with protobuf?
On Sunday, October 14, 2018 at 10:04:26 PM UTC-7, Steven Lutz wrote: > > Yes, that is correct that I have a file that is encoded with protobuf. I > need to both read and write this file type. > I'll use the tools as you mentioned and see what I come up with. > > The code that I have doesn't have the generated comments, just user > comments. I don't know how to replicated the same class structure in the > proto file based on the code that I have. > > On Sunday, October 14, 2018 at 11:29:11 AM UTC-7, Adam Cozzette wrote: >> >> Do I understand right that you have a raw data file encoded in the >> protobuf binary format? Are you just trying to read that one file, or do >> you want to be able to read and write other files with that same message >> type? >> >> One quick thing you can do is pipe the raw data to protoc --decode_raw. >> That will give you an incomplete view of the data because protoc can't >> fully interpret it without knowing the schema, but it could at least give >> you a rough idea of what the data contains. If you want to recreate the >> .proto file from the pb.h and pb.cc files, that should be fairly easy to >> do--you can look in the generated pb.h file and just look at the comments >> next to the field accessors. That should tell you the type and field number >> associated with each field. >> >> On Sat, Oct 13, 2018 at 12:02 AM Steven Lutz <[email protected]> wrote: >> >>> I'm working with a file that was created using protocol buffers. the >>> application that writes these files was written in c++. I put in a request >>> to the 3rd party that created this software to get the file definition/spec >>> and I was given the c++ code/header file. (not the entire application) >>> I'm having some trouble understanding the structure defined in the code >>> (i'm c++ rusty) so I was thinking that if there was a way to recreate the >>> c++ code using a protofile I'd have the generated example code to go along >>> with it. The original author doesn't seem to know anything about a >>> protofile which makes me wonder how it was all created in the first place. >>> >>> I figure I can either: >>> Try to untangle this confusion without a protofile, >>> or >>> Figure out how to create the protofile from the code I was given. >>> >>> Can someone shed some advice on this? >>> Thank you >>> >>> >>> -- >>> 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.
