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use std::error;
use std::fmt::{self, Formatter};
use std::path::{Path, PathBuf};
use crate::docfs::PathError;
#[derive(Debug)]
pub(crate) struct Error {
pub(crate) file: PathBuf,
pub(crate) error: String,
}
impl error::Error for Error {}
impl std::fmt::Display for Error {
fn fmt(&self, f: &mut Formatter<'_>) -> fmt::Result {
let file = self.file.display().to_string();
if file.is_empty() {
write!(f, "{}", self.error)
} else {
write!(f, "\"{}\": {}", self.file.display(), self.error)
}
}
}
impl PathError for Error {
fn new<S, P: AsRef<Path>>(e: S, path: P) -> Error
where
S: ToString + Sized,
{
Error { file: path.as_ref().to_path_buf(), error: e.to_string() }
}
}
#[macro_export]
macro_rules! try_none {
($e:expr, $file:expr) => {{
use std::io;
match $e {
Some(e) => e,
None => {
return Err(<crate::error::Error as crate::docfs::PathError>::new(
io::Error::new(io::ErrorKind::Other, "not found"),
$file,
));
}
}
}};
}
#[macro_export]
macro_rules! try_err {
($e:expr, $file:expr) => {{
match $e {
Ok(e) => e,
Err(e) => return Err(Error::new(e, $file)),
}
}};
}
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