fix_getters_rules/
dir_entry.rs

1//! Directory entry filtering.
2
3use once_cell::sync::Lazy;
4use std::{
5    collections::HashSet,
6    error::Error,
7    fmt::{self, Display},
8    fs::DirEntry,
9    io,
10    path::PathBuf,
11};
12
13/// Directories to exclude from the fix process.
14pub static EXCLUDED: Lazy<HashSet<&'static str>> = Lazy::new(|| {
15    let mut excluded = HashSet::new();
16    excluded.insert(".git");
17    excluded.insert("auto");
18    excluded.insert("ci");
19    excluded.insert("docs");
20    excluded.insert("gir");
21    excluded.insert("gir-files");
22    excluded.insert("target");
23    excluded.insert("sys");
24    excluded
25});
26
27/// Checks the given directory entry.
28#[inline]
29pub fn check(entry: &DirEntry) -> Result<CheckOk, CheckError> {
30    let entry_type = entry
31        .file_type()
32        .map_err(|err| CheckError::DirEntry(entry.path(), err))?;
33
34    let entry_name = entry.file_name();
35    let entry_name = match entry_name.to_str() {
36        Some(entry_name) => entry_name,
37        None => return Err(CheckError::Name(entry.path(), entry_name)),
38    };
39
40    if entry_type.is_file() {
41        if entry_name.ends_with(".rs") {
42            return Ok(CheckOk::RustFile);
43        }
44    } else if entry_type.is_dir() {
45        if !EXCLUDED.contains(entry_name) {
46            return Ok(CheckOk::Directory);
47        }
48    } else {
49        return Ok(CheckOk::SkipUnspecified);
50    }
51
52    Ok(CheckOk::Skip(entry_name.to_string()))
53}
54
55#[derive(Debug)]
56pub enum CheckOk {
57    Directory,
58    RustFile,
59    Skip(String),
60    SkipUnspecified,
61}
62
63#[derive(Debug)]
64pub enum CheckError {
65    Name(PathBuf, std::ffi::OsString),
66    DirEntry(PathBuf, io::Error),
67}
68
69impl Display for CheckError {
70    fn fmt(&self, f: &mut fmt::Formatter) -> Result<(), fmt::Error> {
71        use CheckError::*;
72
73        match self {
74            Name(path, name) => write!(f, "error converting dir entry name {:?} {:?}", path, name),
75            DirEntry(path, err) => write!(f, "error checking dir entry {:?}: {}", path, err),
76        }
77    }
78}
79
80impl Error for CheckError {}
fix_getters_rules/dir_entry.rs

fix_getters_rules/
dir_entry.rs
