| 1 | use serde::de::{Deserialize, Deserializer}; |
| 2 | use serde_derive::Serialize; |
| 3 | use std::borrow::Cow; |
| 4 | use std::env; |
| 5 | use std::ffi::OsString; |
| 6 | use std::io; |
| 7 | use std::path::{Path, PathBuf}; |
| 8 | |
| 9 | #[derive(Clone, Debug, Serialize)] |
| 10 | #[serde(transparent)] |
| 11 | pub struct Directory { |
| 12 | path: PathBuf, |
| 13 | } |
| 14 | |
| 15 | impl Directory { |
| 16 | pub fn new<P: Into<PathBuf>>(path: P) -> Self { |
| 17 | let mut path = path.into(); |
| 18 | path.push("" ); |
| 19 | Directory { path } |
| 20 | } |
| 21 | |
| 22 | pub fn current() -> io::Result<Self> { |
| 23 | env::current_dir().map(Directory::new) |
| 24 | } |
| 25 | |
| 26 | pub fn to_string_lossy(&self) -> Cow<str> { |
| 27 | self.path.to_string_lossy() |
| 28 | } |
| 29 | |
| 30 | pub fn join<P: AsRef<Path>>(&self, tail: P) -> PathBuf { |
| 31 | self.path.join(tail) |
| 32 | } |
| 33 | |
| 34 | pub fn parent(&self) -> Option<Self> { |
| 35 | self.path.parent().map(Directory::new) |
| 36 | } |
| 37 | |
| 38 | pub fn canonicalize(&self) -> io::Result<Self> { |
| 39 | self.path.canonicalize().map(Directory::new) |
| 40 | } |
| 41 | } |
| 42 | |
| 43 | impl From<OsString> for Directory { |
| 44 | fn from(os_string: OsString) -> Self { |
| 45 | Directory::new(PathBuf::from(os_string)) |
| 46 | } |
| 47 | } |
| 48 | |
| 49 | impl AsRef<Path> for Directory { |
| 50 | fn as_ref(&self) -> &Path { |
| 51 | &self.path |
| 52 | } |
| 53 | } |
| 54 | |
| 55 | impl<'de> Deserialize<'de> for Directory { |
| 56 | fn deserialize<D>(deserializer: D) -> Result<Self, D::Error> |
| 57 | where |
| 58 | D: Deserializer<'de>, |
| 59 | { |
| 60 | PathBuf::deserialize(deserializer).map(Directory::new) |
| 61 | } |
| 62 | } |
| 63 | |