bp3d_os/dirs/path.rs
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28
29use std::io::Result;
30use std::path::{Path, PathBuf};
31
32/// An application path.
33pub struct AppPath<'a> {
34 path: &'a Path,
35}
36
37impl<'a> AsRef<Path> for AppPath<'a> {
38 fn as_ref(&self) -> &Path {
39 self.path
40 }
41}
42
43impl<'a> AppPath<'a> {
44 pub(crate) fn new(path: &'a Path) -> Self {
45 AppPath { path }
46 }
47
48 /// Create the underlying path if it does not exist and return it.
49 ///
50 /// # Errors
51 ///
52 /// This function returns [Error](std::io::Error) if the path couldn't be created.
53 pub fn create(&self) -> Result<&'a Path> {
54 if !self.path.is_dir() {
55 std::fs::create_dir_all(self.path)?;
56 }
57 Ok(self.path)
58 }
59
60 /// Create the underlying path if it does not exist and join a new path to it.
61 ///
62 /// # Errors
63 ///
64 /// This function returns [Error](std::io::Error) if the path couldn't be created.
65 pub fn create_join<P: AsRef<Path>>(&self, path: P) -> Result<PathBuf> {
66 Ok(self.create()?.join(path))
67 }
68
69 /// Joins the underlying path with another component and returns the joint path.
70 pub fn join<P: AsRef<Path>>(&self, path: P) -> PathBuf {
71 self.path.join(path)
72 }
73}