Change FinalError builder pattern to take and give ownership of self

This means that when you do `let e = FinalError::with_title("Foo").detail("Blah");`, `e` will be of type `FinalError` instead of `&mut FinalError`, thus you don't have to call `clone()` on it
This commit is contained in:
Spyros Roum 2021-10-15 14:20:49 +03:00
parent c89c34a91f
commit d852a5897c
2 changed files with 13 additions and 34 deletions

View File

@ -50,8 +50,7 @@ pub fn run(command: Command, flags: &oof::Flags) -> crate::Result<()> {
.hint("")
.hint("Examples:")
.hint(format!(" ouch compress ... {}.tar.gz", to_utf(&output_path)))
.hint(format!(" ouch compress ... {}.zip", to_utf(&output_path)))
.clone();
.hint(format!(" ouch compress ... {}.zip", to_utf(&output_path)));
return Err(Error::with_reason(reason));
}
@ -79,8 +78,7 @@ pub fn run(command: Command, flags: &oof::Flags) -> crate::Result<()> {
.detail("The only supported formats that archive files into an archive are .tar and .zip.")
.hint(format!("Try inserting '.tar' or '.zip' before '{}'.", &formats[0]))
.hint(format!("From: {}", output_path))
.hint(format!(" To : {}", suggested_output_path))
.clone();
.hint(format!(" To : {}", suggested_output_path));
return Err(Error::with_reason(reason));
}
@ -90,8 +88,7 @@ pub fn run(command: Command, flags: &oof::Flags) -> crate::Result<()> {
.detail(format!("Found the format '{}' in an incorrect position.", format))
.detail(format!("'{}' can only be used at the start of the file extension.", format))
.hint(format!("If you wish to compress multiple files, start the extension with '{}'.", format))
.hint(format!("Otherwise, remove the last '{}' from '{}'.", format, to_utf(&output_path)))
.clone();
.hint(format!("Otherwise, remove the last '{}' from '{}'.", format, to_utf(&output_path)));
return Err(Error::with_reason(reason));
}

View File

@ -70,12 +70,12 @@ impl FinalError {
Self { title: title.to_string(), details: vec![], hints: vec![] }
}
pub fn detail(&mut self, detail: impl ToString) -> &mut Self {
pub fn detail(mut self, detail: impl ToString) -> Self {
self.details.push(detail.to_string());
self
}
pub fn hint(&mut self, hint: impl ToString) -> &mut Self {
pub fn hint(mut self, hint: impl ToString) -> Self {
self.hints.push(hint.to_string());
self
}
@ -85,70 +85,52 @@ impl fmt::Display for Error {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
let err = match self {
Error::MissingExtensionError(filename) => {
let error = FinalError::with_title(format!("Cannot compress to {:?}", filename))
FinalError::with_title(format!("Cannot compress to {:?}", filename))
.detail("Ouch could not detect the compression format")
.hint("Use a supported format extension, like '.zip' or '.tar.gz'")
.hint("Check https://github.com/vrmiguel/ouch for a full list of supported formats")
.clone();
error
}
Error::WalkdirError { reason } => FinalError::with_title(reason),
Error::FileNotFound(file) => {
let error = if file == Path::new("") {
if file == Path::new("") {
FinalError::with_title("file not found!")
} else {
FinalError::with_title(format!("file {:?} not found!", file))
};
error
}
}
Error::CompressingRootFolder => {
let error = FinalError::with_title("It seems you're trying to compress the root folder.")
FinalError::with_title("It seems you're trying to compress the root folder.")
.detail("This is unadvisable since ouch does compressions in-memory.")
.hint("Use a more appropriate tool for this, such as rsync.")
.clone();
error
}
Error::MissingArgumentsForCompression => {
let error = FinalError::with_title("Could not compress")
FinalError::with_title("Could not compress")
.detail("The compress command requires at least 2 arguments")
.hint("You must provide:")
.hint(" - At least one input argument.")
.hint(" - The output argument.")
.hint("")
.hint("Example: `ouch compress image.png img.zip`")
.clone();
error
}
Error::MissingArgumentsForDecompression => {
let error = FinalError::with_title("Could not decompress")
FinalError::with_title("Could not decompress")
.detail("The compress command requires at least one argument")
.hint("You must provide:")
.hint(" - At least one input argument.")
.hint("")
.hint("Example: `ouch decompress imgs.tar.gz`")
.clone();
error
}
Error::InternalError => {
let error = FinalError::with_title("InternalError :(")
FinalError::with_title("InternalError :(")
.detail("This should not have happened")
.detail("It's probably our fault")
.detail("Please help us improve by reporting the issue at:")
.detail(format!(" {}https://github.com/vrmiguel/ouch/issues ", cyan()))
.clone();
error
}
Error::OofError(err) => FinalError::with_title(err),
Error::IoError { reason } => FinalError::with_title(reason),
Error::CompressionTypo => FinalError::with_title("Possible typo detected")
.hint(format!("Did you mean '{}ouch compress{}'?", magenta(), reset()))
.clone(),
.hint(format!("Did you mean '{}ouch compress{}'?", magenta(), reset())),
Error::UnknownExtensionError(_) => todo!(),
Error::AlreadyExists => todo!(),
Error::InvalidZipArchive(_) => todo!(),