I tried to import simple proto3 file via RProtoBuf library, unfortunately this operation fails with error regarding unrecognized syntax identifier:
> install.packages("RProtoBuf")
> library(RProtoBuf)
> proto.dir <- "D:/dev/tmp/proto"
> readProtoFiles( dir = proto.dir )
D:/dev/tmp/proto/search.proto:1:10:Unrecognized syntax identifier "proto3". This parser only recognizes "proto2".
Error in readProtoFiles(dir = proto.dir) :
Could not load proto file 'D:/dev/tmp/proto/search.proto'
search.proto is defined as:
syntax = "proto3";
message SearchRequest {
string query = 1;
int32 page_number = 2;
int32 result_per_page = 3;
}
My environment:
R version 3.3.2 (2016-10-31) -- "Sincere Pumpkin Patch"
Copyright (C) 2016 The R Foundation for Statistical Computing
Platform: x86_64-w64-mingw32/x64 (64-bit)
RProtoBuf: https://cloud.r-project.org/bin/windows/contrib/3.3/RProtoBuf_0.4.7.zip
C:\>protoc --version
libprotoc 3.1.0
Thanks in advance.
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