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use std::convert::TryInto;
use std::path::{Path, PathBuf};
/// Represents a path to a file or directory.
///
/// We need this newtype in order to implement `TryInto<String>`.
/// `PathBuf` does not implement `TryInto<String>`.
#[derive(Debug, Clone, serde::Serialize, serde::Deserialize, Eq, PartialEq)]
#[serde(transparent)]
pub struct FilePath(PathBuf);
#[derive(thiserror::Error, Debug)]
#[error("FilePath to String conversion failed: {0:?}")]
pub struct FilePathToStringConversionFailure(std::ffi::OsString);
impl<T> From<T> for FilePath
where
PathBuf: From<T>,
{
fn from(input: T) -> Self {
Self(PathBuf::from(input))
}
}
impl TryInto<String> for FilePath {
type Error = FilePathToStringConversionFailure;
fn try_into(self) -> Result<String, FilePathToStringConversionFailure> {
self.0
.into_os_string()
.into_string()
.map_err(FilePathToStringConversionFailure)
}
}
impl AsRef<Path> for FilePath {
fn as_ref(&self) -> &Path {
self.0.as_ref()
}
}
impl std::fmt::Display for FilePath {
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
write!(f, "{}", self.0.display())
}
}
impl Into<PathBuf> for FilePath {
fn into(self) -> PathBuf {
PathBuf::from(self.0)
}
}
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