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}