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pub mod msg; pub mod helpers; pub mod error; pub mod genmsg; use std::env; use std::fs::File; use std::io::Write; use std::path::Path; #[macro_export] macro_rules! rosmsg_main { ($($msg:expr),*)=> { fn main() { $crate::build_tools::depend_on_messages(&[ $( $msg, )* ]); } } } #[macro_export] macro_rules! rosmsg_include { () => {include!(concat!(env!("OUT_DIR"), "/msg.rs"));} } pub fn depend_on_messages(messages: &[&str]) { let cmake_paths = env::var("CMAKE_PREFIX_PATH") .unwrap_or(String::new()) .split(":") .filter_map(append_share_folder) .collect::<Vec<String>>(); let extra_paths = env::var("ROSRUST_MSG_PATH") .unwrap_or(String::new()) .split(":") .map(String::from) .collect::<Vec<String>>(); let paths = cmake_paths .iter() .chain(extra_paths.iter()) .map(|v| v.as_str()) .collect::<Vec<&str>>(); let output = genmsg::depend_on_messages(paths.as_slice(), messages).unwrap(); let out_dir = env::var("OUT_DIR").unwrap(); let dest_path = Path::new(&out_dir).join("msg.rs"); let mut f = File::create(&dest_path).unwrap(); write!(f, "{}", output).unwrap(); } fn append_share_folder(path: &str) -> Option<String> { Path::new(path).join("share").to_str().map(|v| v.to_owned()) }