kaish_kernel/
backend_walker_fs.rs

1//! `WalkerFs` adapter for `KernelBackend`.
2//!
3//! Bridges kaish-kernel's `KernelBackend` trait to kaish-glob's `WalkerFs`
4//! trait so `FileWalker` and `IgnoreFilter` can work with any backend.
5
6use async_trait::async_trait;
7use std::path::Path;
8
9use crate::backend::{EntryInfo, KernelBackend};
10use kaish_glob::{WalkerDirEntry, WalkerError, WalkerFs};
11
12/// Wraps a `&dyn KernelBackend` to implement `WalkerFs`.
13pub struct BackendWalkerFs<'a>(pub &'a dyn KernelBackend);
14
15impl WalkerDirEntry for EntryInfo {
16    fn name(&self) -> &str {
17        &self.name
18    }
19
20    fn is_dir(&self) -> bool {
21        self.is_dir
22    }
23
24    fn is_file(&self) -> bool {
25        self.is_file
26    }
27
28    fn is_symlink(&self) -> bool {
29        self.is_symlink
30    }
31}
32
33#[async_trait]
34impl WalkerFs for BackendWalkerFs<'_> {
35    type DirEntry = EntryInfo;
36
37    async fn list_dir(&self, path: &Path) -> Result<Vec<EntryInfo>, WalkerError> {
38        self.0.list(path).await.map_err(|e| WalkerError::Io(e.to_string()))
39    }
40
41    async fn read_file(&self, path: &Path) -> Result<Vec<u8>, WalkerError> {
42        self.0.read(path, None).await.map_err(|e| WalkerError::Io(e.to_string()))
43    }
44
45    async fn is_dir(&self, path: &Path) -> bool {
46        self.0.stat(path).await.is_ok_and(|info| info.is_dir)
47    }
48
49    async fn exists(&self, path: &Path) -> bool {
50        self.0.exists(path).await
51    }
52}
kaish_kernel/backend_walker_fs.rs

kaish_kernel/
backend_walker_fs.rs
