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59 lines
2.1 KiB
59 lines
2.1 KiB
// Copyright 2020 The Chromium OS Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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fn main() {
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#[cfg(feature = "powerd")]
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{
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extern crate protoc_rust;
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use std::env;
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use std::fmt::Write as FmtWrite;
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use std::fs;
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use std::io::Write;
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use std::path::{Path, PathBuf};
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fn paths_to_strs<P: AsRef<Path>>(paths: &[P]) -> Vec<&str> {
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paths
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.iter()
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.map(|p| p.as_ref().as_os_str().to_str().unwrap())
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.collect()
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}
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let out_dir = PathBuf::from(env::var("OUT_DIR").unwrap());
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let proto_root = match env::var("SYSROOT") {
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Ok(dir) => PathBuf::from(dir).join("usr/include/chromeos"),
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// Make this work when typing "cargo build" in platform/crosvm/power_monitor
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Err(_) => PathBuf::from("../../../platform2/system_api"),
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};
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let power_manager_dir = proto_root.join("dbus/power_manager");
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let input_files = [power_manager_dir.join("power_supply_properties.proto")];
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let include_dirs = [power_manager_dir];
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protoc_rust::run(protoc_rust::Args {
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out_dir: out_dir.as_os_str().to_str().unwrap(),
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input: &paths_to_strs(&input_files),
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includes: &paths_to_strs(&include_dirs),
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customize: Default::default(),
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})
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.expect("protoc");
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let mut path_include_mods = String::new();
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for input_file in input_files.iter() {
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let stem = input_file.file_stem().unwrap().to_str().unwrap();
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let mod_path = out_dir.join(format!("{}.rs", stem));
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writeln!(
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&mut path_include_mods,
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"#[path = \"{}\"]",
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mod_path.display()
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)
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.unwrap();
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writeln!(&mut path_include_mods, "pub mod {};", stem).unwrap();
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}
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let mut mod_out = fs::File::create(out_dir.join("powerd_proto.rs")).unwrap();
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writeln!(mod_out, "pub mod system_api {{\n{}}}", path_include_mods).unwrap();
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}
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}
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