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protoc-gen-lua ============== Google's Protocol Buffers project, ported to Lua "[Protocol Buffers](http://code.google.com/p/protobuf/)" is a binary serialization format and technology, released to the open source community by Google in 2008. There are various implementations of Protocol Buffers and this is for Lua. ## Install Install python runtime and the protobuf 2.3 for python. checkout the code. Compile the C code: `$cd protobuf && make` Make a link to protoc-gen-lua in your $PATH: `$cd /usr/local/bin && sudo ln -s /path/to/protoc-gen-lua/plugin/protoc-gen-lua` Then you can compile the .proto like this: `protoc --lua_out=./ foo.proto` ## Quick Example You write a .proto file like this: person.proto : ``` message Person { required int32 id = 1; required string name = 2; optional string email = 3; } ``` Then you compile it. Then, make sure that protobuf/ in package.cpath and package.path, you use that code like this: ``` require "person_pb" -- Serialize Example local msg = person_pb.Person() msg.id = 100 msg.name = "foo" msg.email = "bar" local pb_data = msg:SerializeToString() -- Parse Example local msg = person_pb.Person() msg:ParseFromString(pb_data) print(msg.id, msg.name, msg.email) ``` The API of this library is similar the protobuf library for python. For a more complete example, read the [python documentation](http://code.google.com/apis/protocolbuffers/docs/pythontutorial.html).