rusteal_codegen/rust_gen/
manual.rs

1use std::path::Path;
2
3include!(concat!(env!("OUT_DIR"), "/manual_files.rs"));
4
5pub fn write_manual_module(src_dir: &Path) {
6    let manual_dir = src_dir.join("manual");
7
8    if let Ok(entries) = std::fs::read_dir(&manual_dir) {
9        for entry in entries.flatten() {
10            let name = entry.file_name();
11
12            if !MANUAL_FILES.iter().any(|(file, _)| name == *file) {
13                let path = entry.path();
14
15                let removed = if path.is_dir() {
16                    std::fs::remove_dir_all(&path)
17                } else {
18                    std::fs::remove_file(&path)
19                };
20
21                removed.unwrap_or_else(|e| panic!("Failed to clean {}: {e}", path.display()));
22            }
23        }
24    }
25
26    std::fs::create_dir_all(&manual_dir)
27        .unwrap_or_else(|e| panic!("Failed to create {}: {e}", manual_dir.display()));
28
29    for (name, contents) in MANUAL_FILES {
30        crate::write_if_changed(&manual_dir.join(name), contents)
31            .unwrap_or_else(|e| panic!("Failed to write manual/{name}: {e}"));
32    }
33
34    eprintln!("  manual/: {} files", MANUAL_FILES.len());
35}
36
37pub fn gating_features() -> std::collections::BTreeSet<&'static str> {
38    const MARKER: &str = "feature = \"";
39    let mut features = std::collections::BTreeSet::new();
40
41    for (_, contents) in MANUAL_FILES {
42        let mut rest = *contents;
43
44        while let Some(at) = rest.find(MARKER) {
45            rest = &rest[at + MARKER.len()..];
46
47            if let Some(end) = rest.find('"') {
48                features.insert(&rest[..end]);
49                rest = &rest[end..];
50            }
51        }
52    }
53
54    features
55}
rusteal_codegen/rust_gen/manual.rs

rusteal_codegen/rust_gen/
manual.rs
