main.rs - mozsearch

Enable keyboard shortcuts

/* This Source Code Form is subject to the terms of the Mozilla Public

 * License, v. 2.0. If a copy of the MPL was not distributed with this

 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

use clap::{App, Arg};

use serde_derive::Deserialize;

use std::{collections::HashMap, fs, path::PathBuf};

#[derive(Deserialize, Debug)]

struct ProtobufOpts {

    dir: String,

    out_dir: Option<String>,

fn main() {

    let matches = App::new("Protobuf files generator")

        .about("Generates Rust structs from protobuf files in the repository.")

        .arg(

            Arg::with_name("PROTOBUF_CONFIG")

                .help("Absolute path to the protobuf configuration file.")

                .required(true),

        .get_matches();

    let config_path = matches.value_of("PROTOBUF_CONFIG").unwrap();

    let config_path = PathBuf::from(config_path);

    let files_config = fs::read_to_string(&config_path).expect("unable to read protobuf_files");

    let files: HashMap<String, ProtobufOpts> = toml::from_str(&files_config).unwrap();

    let config_dir = config_path.parent().unwrap();

    for (proto_file, opts) in files {

        // Can't re-use Config because the out_dir is always different.

        let mut config = prost_build::Config::new();

        let out_dir = opts.out_dir.clone().unwrap_or_else(|| opts.dir.clone());

        let out_dir_absolute = config_dir.join(out_dir).canonicalize().unwrap();

        let out_dir_absolute = out_dir_absolute.to_str().unwrap();

        let proto_path_absolute = config_dir

            .join(&opts.dir)

            .join(proto_file)

            .canonicalize()

            .unwrap();

        let proto_path_absolute = proto_path_absolute.to_str().unwrap();

        let include_dir_absolute = config_dir.join(&opts.dir).canonicalize().unwrap();

        let include_dir_absolute = include_dir_absolute.to_str().unwrap();

        config.out_dir(out_dir_absolute);

        config

            .compile_protos(&[proto_path_absolute], &[&include_dir_absolute])

            .unwrap();