One of the best protobuf parsers is Haberman's upb. There are no Ruby bindings, but it is built with dynamic languages in mind. There are already Lua and Python

One of the best protobuf parsers is Haberman's upb. There are no Ruby bindings, but it is built with dynamic languages in mind. There are already Lua and Python bindings, you could use them as example. https://github.com/haberman/upb/wiki https://github.com/haberman/upb/wiki https://github.com/haberman/upb/tree/master/bindings https://github.com/haberman/upb/tree/master/bindings