veryl_path/
lib.rs

1use directories::ProjectDirs;
2use log::debug;
3#[cfg(not(target_family = "wasm"))]
4use std::fs::File;
5use std::path::{Path, PathBuf};
6use walkdir::WalkDir;
7
8mod path_error;
9pub use path_error::PathError;
10
11#[derive(Clone, Debug)]
12pub struct PathSet {
13    pub prj: String,
14    pub src: PathBuf,
15    pub dst: PathBuf,
16    pub map: PathBuf,
17}
18
19pub fn cache_path() -> PathBuf {
20    let project_dir = ProjectDirs::from("org", "veryl-lang", "veryl").unwrap();
21    project_dir.cache_dir().to_path_buf()
22}
23
24pub fn gather_files_with_extension<T: AsRef<Path>>(
25    base_dir: T,
26    ext: &str,
27    symlink: bool,
28) -> Result<Vec<PathBuf>, PathError> {
29    let mut inner_prj = Vec::new();
30    for entry in WalkDir::new(base_dir.as_ref())
31        .follow_links(symlink)
32        .into_iter()
33        .flatten()
34    {
35        if entry.file_type().is_file()
36            && let Some(x) = entry.path().file_name()
37            && x == "Veryl.toml"
38        {
39            let prj_dir = entry.path().parent().unwrap();
40            if prj_dir != base_dir.as_ref() {
41                debug!("Found inner project ({})", prj_dir.to_string_lossy());
42                inner_prj.push(prj_dir.to_path_buf());
43            }
44        }
45    }
46
47    let mut ret = Vec::new();
48    for entry in WalkDir::new(base_dir.as_ref())
49        .follow_links(symlink)
50        .sort_by_file_name()
51        .into_iter()
52        .flatten()
53    {
54        if entry.file_type().is_file()
55            && let Some(x) = entry.path().extension()
56            && x == ext
57        {
58            let is_inner = inner_prj.iter().any(|x| entry.path().starts_with(x));
59
60            if !is_inner {
61                debug!("Found file ({})", entry.path().to_string_lossy());
62                ret.push(entry.path().to_path_buf());
63            }
64        }
65    }
66    Ok(ret)
67}
68
69#[cfg(not(target_family = "wasm"))]
70pub fn lock_dir<T: AsRef<Path>>(path: T) -> Result<File, PathError> {
71    let base_dir = cache_path().join(path);
72    let lock = base_dir.join("lock");
73    let lock = File::create(lock)?;
74    fs4::FileExt::lock(&lock)?;
75    Ok(lock)
76}
77
78#[cfg(not(target_family = "wasm"))]
79pub fn unlock_dir(lock: File) -> Result<(), PathError> {
80    fs4::FileExt::unlock(&lock)?;
81    Ok(())
82}
83
84#[cfg(target_family = "wasm")]
85pub fn lock_dir<T: AsRef<Path>>(_path: T) -> Result<(), PathError> {
86    Ok(())
87}
88
89#[cfg(target_family = "wasm")]
90pub fn unlock_dir(_lock: ()) -> Result<(), PathError> {
91    Ok(())
92}
93
94pub fn ignore_already_exists(x: Result<(), std::io::Error>) -> Result<(), std::io::Error> {
95    if let Err(x) = x
96        && x.kind() != std::io::ErrorKind::AlreadyExists
97    {
98        return Err(x);
99    }
100    Ok(())
101}
102
103pub fn ignore_directory_not_empty(x: Result<(), std::io::Error>) -> Result<(), std::io::Error> {
104    if let Err(x) = x
105        && x.kind() != std::io::ErrorKind::DirectoryNotEmpty
106    {
107        return Err(x);
108    }
109    Ok(())
110}
veryl_path/lib.rs

veryl_path/
lib.rs
