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use ignore::{Walk, WalkBuilder};
use std::{path::PathBuf, vec::IntoIter};
use tracing::warn;
pub use config::{Config, PathEntry};
pub use error::Error;
mod config;
mod error;
pub struct Paths {
paths_iter: IntoIter<PathEntry>,
iter: Option<Walk>,
}
impl Paths {
pub fn new(path_entries: Vec<PathEntry>) -> Self {
Self {
paths_iter: path_entries.into_iter(),
iter: None,
}
}
}
impl From<&Config> for Paths {
fn from(value: &Config) -> Self {
Self::new(value.paths.to_owned())
}
}
impl Iterator for Paths {
type Item = PathBuf;
#[tracing::instrument(skip(self))]
fn next(&mut self) -> Option<Self::Item> {
loop {
match self.iter.as_mut().and_then(|iter| iter.next()) {
Some(Ok(d)) => return Some(d.into_path()),
Some(Err(err)) => warn!("{:?}", err),
None => {
let next = self.paths_iter.next()?;
self.iter = Some(
WalkBuilder::new(next.path)
.standard_filters(true)
.max_depth(next.recurse)
.hidden(next.hidden)
.build(),
);
}
};
}
}
}
#[cfg(test)]
mod tests {
use super::*;
use std::fs;
#[test]
fn test_iteration() {
let temp_dir = tempfile::Builder::new()
.tempdir()
.unwrap()
.path()
.to_owned();
let project_dir = temp_dir.join("project_dir");
let project1 = temp_dir.join("project_dir/project1");
let project2 = temp_dir.join("project_dir/project2");
let project3 = temp_dir.join("project3");
let project4 = temp_dir.join("subdir/project4");
let paths = Paths::from(Vec::from([
PathEntry {
path: project_dir.to_owned(),
hidden: false,
recurse: Some(1),
},
PathEntry {
path: project3.to_owned(),
hidden: false,
recurse: Some(0),
},
PathEntry {
path: project4.to_owned(),
hidden: false,
recurse: Some(0),
},
]));
let mut path_bufs = Vec::from([project_dir, project1, project2, project3, project4]);
path_bufs.iter().try_for_each(fs::create_dir_all).unwrap();
path_bufs.sort();
let mut results = paths.into_iter().collect::<Vec<PathBuf>>();
results.sort();
assert_eq!(path_bufs, results);
}
}
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