veryl_path/
lib.rs

1use directories::ProjectDirs;
2#[cfg(not(target_family = "wasm"))]
3use fs4::fs_std::FileExt;
4use log::debug;
5#[cfg(not(target_family = "wasm"))]
6use std::fs::File;
7use std::path::{Path, PathBuf};
8use walkdir::WalkDir;
9
10mod path_error;
11pub use path_error::PathError;
12
13#[derive(Clone, Debug)]
14pub struct PathSet {
15    pub prj: String,
16    pub src: PathBuf,
17    pub dst: PathBuf,
18    pub map: PathBuf,
19}
20
21pub fn cache_path() -> PathBuf {
22    let project_dir = ProjectDirs::from("org", "veryl-lang", "veryl").unwrap();
23    project_dir.cache_dir().to_path_buf()
24}
25
26pub fn gather_files_with_extension<T: AsRef<Path>>(
27    base_dir: T,
28    ext: &str,
29    symlink: bool,
30) -> Result<Vec<PathBuf>, PathError> {
31    let mut inner_prj = Vec::new();
32    for entry in WalkDir::new(base_dir.as_ref())
33        .follow_links(symlink)
34        .into_iter()
35        .flatten()
36    {
37        if entry.file_type().is_file()
38            && let Some(x) = entry.path().file_name()
39            && x == "Veryl.toml"
40        {
41            let prj_dir = entry.path().parent().unwrap();
42            if prj_dir != base_dir.as_ref() {
43                debug!("Found inner project ({})", prj_dir.to_string_lossy());
44                inner_prj.push(prj_dir.to_path_buf());
45            }
46        }
47    }
48
49    let mut ret = Vec::new();
50    for entry in WalkDir::new(base_dir.as_ref())
51        .follow_links(symlink)
52        .sort_by_file_name()
53        .into_iter()
54        .flatten()
55    {
56        if entry.file_type().is_file()
57            && let Some(x) = entry.path().extension()
58            && x == ext
59        {
60            let is_inner = inner_prj.iter().any(|x| entry.path().starts_with(x));
61
62            if !is_inner {
63                debug!("Found file ({})", entry.path().to_string_lossy());
64                ret.push(entry.path().to_path_buf());
65            }
66        }
67    }
68    Ok(ret)
69}
70
71#[cfg(not(target_family = "wasm"))]
72pub fn lock_dir<T: AsRef<Path>>(path: T) -> Result<File, PathError> {
73    let base_dir = cache_path().join(path);
74    let lock = base_dir.join("lock");
75    let lock = File::create(lock)?;
76    lock.lock_exclusive()?;
77    Ok(lock)
78}
79
80#[cfg(not(target_family = "wasm"))]
81pub fn unlock_dir(lock: File) -> Result<(), PathError> {
82    fs4::fs_std::FileExt::unlock(&lock)?;
83    Ok(())
84}
85
86#[cfg(target_family = "wasm")]
87pub fn lock_dir<T: AsRef<Path>>(_path: T) -> Result<(), PathError> {
88    Ok(())
89}
90
91#[cfg(target_family = "wasm")]
92pub fn unlock_dir(_lock: ()) -> Result<(), PathError> {
93    Ok(())
94}
95
96pub fn ignore_already_exists(x: Result<(), std::io::Error>) -> Result<(), std::io::Error> {
97    if let Err(x) = x
98        && x.kind() != std::io::ErrorKind::AlreadyExists
99    {
100        return Err(x);
101    }
102    Ok(())
103}
104
105pub fn ignore_directory_not_empty(x: Result<(), std::io::Error>) -> Result<(), std::io::Error> {
106    if let Err(x) = x
107        && x.kind() != std::io::ErrorKind::DirectoryNotEmpty
108    {
109        return Err(x);
110    }
111    Ok(())
112}
veryl_path/lib.rs

veryl_path/
lib.rs
