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use std::error::Error as StdError;↩
use std::fmt;↩
use std::io;↩
use std::path::PathBuf;↩
↩
#[derive(Debug, Clone, Copy)]↩
pub(crate) enum ErrorKind {↩
OpenFile,↩
CreateFile,↩
CreateDir,↩
SyncFile,↩
SetLen,↩
Metadata,↩
Clone,↩
SetPermissions,↩
Read,↩
Seek,↩
Write,↩
Flush,↩
ReadDir,↩
RemoveFile,↩
RemoveDir,↩
Canonicalize,↩
ReadLink,↩
SymlinkMetadata,↩
↩
#[cfg(windows)]↩
SeekRead,↩
#[cfg(windows)]↩
SeekWrite,↩
↩
#[cfg(unix)]↩
ReadAt,↩
#[cfg(unix)]↩
WriteAt,↩
}↩
↩
/// Contains an IO error that has a file path attached.↩
///↩
/// This type is never returned directly, but is instead wrapped inside yet↩
/// another IO error.↩
#[derive(Debug)]↩
pub(crate) struct Error {↩
kind: ErrorKind,↩
source: io::Error,↩
path: PathBuf,↩
}↩
↩
impl Error {↩
pub fn build(source: io::Error, kind: ErrorKind, path: impl Into<PathBuf>) -> io::Error {↩
io::Error::new(↩
source.kind(),↩
Self {↩
kind,↩
source,↩
path: path.into(),↩
},↩
)↩
}↩
}↩
↩
impl fmt::Display for Error {↩
fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {↩
use ErrorKind::*;↩
↩
let path = self.path.display();↩
↩
match self.kind {↩
OpenFile => write!(formatter, "failed to open file `{}`", path),↩
CreateFile => write!(formatter, "failed to create file `{}`", path),↩
CreateDir => write!(formatter, "failed to create directory `{}`", path),↩
SyncFile => write!(formatter, "failed to sync file `{}`", path),↩
SetLen => write!(formatter, "failed to set length of file `{}`", path),↩
Metadata => write!(formatter, "failed to query metadata of file `{}`", path),↩
Clone => write!(formatter, "failed to clone handle for file `{}`", path),↩
SetPermissions => write!(formatter, "failed to set permissions for file `{}`", path),↩
Read => write!(formatter, "failed to read from file `{}`", path),↩
Seek => write!(formatter, "failed to seek in file `{}`", path),↩
Write => write!(formatter, "failed to write to file `{}`", path),↩
Flush => write!(formatter, "failed to flush file `{}`", path),↩
ReadDir => write!(formatter, "failed to read directory `{}`", path),↩
RemoveFile => write!(formatter, "failed to remove file `{}`", path),↩
RemoveDir => write!(formatter, "failed to remove directory `{}`", path),↩
Canonicalize => write!(formatter, "failed to canonicalize path `{}`", path),↩
ReadLink => write!(formatter, "failed to read symbolic link `{}`", path),↩
SymlinkMetadata => write!(formatter, "failed to query metadata of symlink `{}`", path),↩
↩
#[cfg(windows)]↩
SeekRead => write!(formatter, "failed to seek and read from `{}`", path),↩
#[cfg(windows)]↩
SeekWrite => write!(formatter, "failed to seek and write to `{}`", path),↩
↩
#[cfg(unix)]↩
ReadAt => write!(formatter, "failed to read with offset from `{}`", path),↩
#[cfg(unix)]↩
WriteAt => write!(formatter, "failed to write with offset to `{}`", path),↩
}↩
}↩
}↩
↩
impl StdError for Error {↩
fn cause(&self) -> Option<&dyn StdError> {↩
self.source()↩
}↩
↩
fn source(&self) -> Option<&(dyn StdError + 'static)> {↩
Some(&self.source)↩
}↩
}↩
↩
#[derive(Debug, Clone, Copy)]↩
pub(crate) enum SourceDestErrorKind {↩
Copy,↩
HardLink,↩
Rename,↩
SoftLink,↩
↩
#[cfg(unix)]↩
Symlink,↩
↩
#[cfg(windows)]↩
SymlinkDir,↩
#[cfg(windows)]↩
SymlinkFile,↩
}↩
↩
/// Error type used by functions like `fs::copy` that holds two paths.↩
#[derive(Debug)]↩
pub(crate) struct SourceDestError {↩
kind: SourceDestErrorKind,↩
source: io::Error,↩
from_path: PathBuf,↩
to_path: PathBuf,↩
}↩
↩
impl SourceDestError {↩
pub fn build(↩
source: io::Error,↩
kind: SourceDestErrorKind,↩
from_path: impl Into<PathBuf>,↩
to_path: impl Into<PathBuf>,↩
) -> io::Error {↩
io::Error::new(↩
source.kind(),↩
Self {↩
kind,↩
source,↩
from_path: from_path.into(),↩
to_path: to_path.into(),↩
},↩
)↩
}↩
}↩
↩
impl fmt::Display for SourceDestError {↩
fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {↩
let from = self.from_path.display();↩
let to = self.to_path.display();↩
match self.kind {↩
SourceDestErrorKind::Copy => {↩
write!(formatter, "failed to copy file from {} to {}", from, to)↩
}↩
SourceDestErrorKind::HardLink => {↩
write!(formatter, "failed to hardlink file from {} to {}", from, to)↩
}↩
SourceDestErrorKind::Rename => {↩
write!(formatter, "failed to rename file from {} to {}", from, to)↩
}↩
SourceDestErrorKind::SoftLink => {↩
write!(formatter, "failed to softlink file from {} to {}", from, to)↩
}↩
↩
#[cfg(unix)]↩
SourceDestErrorKind::Symlink => {↩
write!(formatter, "failed to symlink file from {} to {}", from, to)↩
}↩
↩
#[cfg(windows)]↩
SourceDestErrorKind::SymlinkFile => {↩
write!(formatter, "failed to symlink file from {} to {}", from, to)↩
}↩
#[cfg(windows)]↩
SourceDestErrorKind::SymlinkDir => {↩
write!(formatter, "failed to symlink dir from {} to {}", from, to)↩
}↩
}↩
}↩
}↩
↩
impl StdError for SourceDestError {↩
fn cause(&self) -> Option<&dyn StdError> {↩
self.source()↩
}↩
↩
fn source(&self) -> Option<&(dyn StdError + 'static)> {↩
Some(&self.source)↩
}↩
}↩