protobuf: retrieve the name of enum in C++

November 18, 2015

Protobuf file

package MyPackage;

message MyMessage
{
  enum RequestType {
    Login = 0;
    Logout = 1;
  }

  optional RequestType requestType = 1;
}

C++ Source Code

#include<iostream>

#include "my.pb.h"

using namespace std;
using namespace MyPackage;

int main(int argc, char** argv)
{
  MyMessage::RequestType type = MyMessage::Login;
  // Print the name of enum item
  cout << MyMessage::RequestType_Name(type) << endl;
}

Compile & Run

$g++ main.cpp my.pb.cc -lprotobuf
$./a.out
Login