// Copyright © SixtyFPS GmbH // SPDX-License-Identifier: GPL-3.0-only OR LicenseRef-Slint-Royalty-free-1.1 OR LicenseRef-Slint-commercial use std::fs::read_dir; use std::io::{BufWriter, Write}; use std::path::{Path, PathBuf}; fn main() -> std::io::Result<()> { let mut library_dir = PathBuf::from(std::env::var_os("CARGO_MANIFEST_DIR").unwrap()); library_dir.push("widgets"); println!("cargo:rerun-if-changed={}", library_dir.display()); let output_file_path = Path::new(&std::env::var_os("OUT_DIR").unwrap()) .join(Path::new("included_library").with_extension("rs")); let mut file = BufWriter::new(std::fs::File::create(&output_file_path)?); write!( file, r#" fn widget_library() -> &'static [(&'static str, &'static BuiltinDirectory<'static>)] {{ &[ "# )?; for style in read_dir(library_dir)?.filter_map(Result::ok) { if !style.file_type().map_or(false, |f| f.is_dir()) { continue; } let path = style.path(); writeln!( file, "(\"{}\", &[{}]),", path.file_name().unwrap().to_string_lossy(), process_style(&path)? )?; } writeln!(file, "]\n}}")?; println!("cargo:rustc-env=SLINT_WIDGETS_LIBRARY={}", output_file_path.display()); Ok(()) } fn process_style(path: &Path) -> std::io::Result { let library_files: Vec = read_dir(path)? .filter_map(Result::ok) .filter(|entry| { entry.file_type().map_or(false, |f| f.is_file()) && entry .path() .extension() .map(|ext| { ext == std::ffi::OsStr::new("slint") || ext == std::ffi::OsStr::new("60") || ext == std::ffi::OsStr::new("svg") || ext == std::ffi::OsStr::new("svgz") }) .unwrap_or_default() }) .map(|entry| entry.path()) .collect(); Ok(library_files .iter() .map(|file| { format!( "&BuiltinFile {{path: r#\"{}\"# , contents: include_bytes!(r#\"{}\"#)}}", file.file_name().unwrap().to_string_lossy(), file.display() ) }) .collect::>() .join(",")) }