use std::process::{Command, Stdio}; use std::fs::{self, read_dir, create_dir_all, read_to_string}; use std::path::Path; fn compile_blueprint(path: T) -> Result { // python blueprint-compiler/blueprint-compiler.py compile ui/main.blp let output = Command::new("python3") .arg("blueprint-compiler/blueprint-compiler.py") .arg("compile") .arg(path.to_string()) .stdout(Stdio::piped()) .stderr(Stdio::piped()) .output(); match output { Ok(output) => { if output.status.success() { Ok(String::from_utf8(output.stdout).unwrap()) } else { Err(String::from_utf8(output.stdout).unwrap()) } }, Err(err) => Err(err.to_string()) } } fn blp_process_dir(dir: String) { let source_dir = format!("assets/ui/{}", &dir).replace("//", "/"); let dist_dir = format!("assets/ui/.dist/{}", &dir).replace("//", "/"); if let Ok(entries) = read_dir(&source_dir) { if let Err(_) = read_dir(&dist_dir) { create_dir_all(&dist_dir).expect("UI dist dir couldn't be created"); } println!("cargo:rerun-if-changed={}/*.blp", &source_dir); for entry in entries { if let Ok(entry) = entry { if let Ok(metadata) = entry.metadata() { let entry_path = entry.path().to_str().unwrap().to_string(); let entry_filename = entry.file_name().to_str().unwrap().to_string(); if metadata.is_file() { let entry_dist_path = format!("{}/{}.ui", &dist_dir, &entry_filename[..entry_filename.len() - 4]); match compile_blueprint(&entry_path) { Ok(xml) => { let result = fs::write(entry_dist_path, xml); if let Err(err) = result { println!("cargo:warning=Couldn't write compiled XML UI: {}", err); } }, Err(err) => { if Path::new(&entry_dist_path).exists() { fs::remove_file(entry_dist_path).expect("Couldn't remove broken file"); } println!("cargo:warning=Couldn't compile {}: {}", entry_path, err); } } } else if metadata.is_dir() && &entry_filename[0..1] != "." { blp_process_dir(format!("{}/{}", &dir, &entry_filename)); } } } } } } fn main() { if let Ok(_) = read_to_string("assets/resources.xml") { gtk4::gio::compile_resources( "assets", "assets/resources.xml", ".assets.gresource", ); } blp_process_dir(String::new()); }