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helix
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refactor: use Option<Result> to indicate if a status message should not be changed

pull/12902/head
Nikita Revenco 2025-02-18 11:42:03 +00:00
parent a099ae1dbe
commit e177c48208
1 changed files with 47 additions and 33 deletions
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80
helix-term/src/ui/mod.rs
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@ -290,7 +290,7 @@ fn create_file_operation_prompt(
prompt: &'static str,
cx: &mut Context,
path: &Path,
callback: fn(&mut Context, &Path, &str) -> Result<String, String>,
callback: fn(&mut Context, &Path, &str) -> Option<Result<String, String>>,
) {
cx.editor.file_explorer_selected_path = Some(path.to_path_buf());
let callback = Box::pin(async move {
@ -308,8 +308,9 @@ fn create_file_operation_prompt(
if let Some(path) = path {
match callback(cx, &path, input) {
Ok(msg) => cx.editor.set_status(msg),
Err(msg) => cx.editor.set_error(msg),
Some(Ok(msg)) => cx.editor.set_status(msg),
Some(Err(msg)) => cx.editor.set_error(msg),
None => (),
};
} else {
cx.editor
@ -384,21 +385,26 @@ pub fn file_explorer(root: PathBuf, editor: &Editor) -> Result<FileExplorer, std
let to_create = helix_stdx::path::expand_tilde(PathBuf::from(to_create_str));
if to_create.exists() {
return Err(format!("Path {} already exists", to_create.display()))
// TODO: confirmation prompt
return Some(Err(format!("Path {} already exists", to_create.display())))
};
if to_create_str.ends_with(std::path::MAIN_SEPARATOR) {
fs::create_dir_all(&to_create).map_err(
if let Err(err) = fs::create_dir_all(&to_create).map_err(
|err| format!("Unable to create directory {}: {err}", to_create.display())
)?;
) {
return Some(Err(err));
}
Ok(format!("Created directory: {}", to_create.display()))
Some(Ok(format!("Created directory: {}", to_create.display())))
} else {
fs::File::create(&to_create).map_err(
if let Err(err) = fs::File::create(&to_create).map_err(
|err| format!("Unable to create file {}: {err}", to_create.display())
)?;
) {
return Some(Err(err));
};
Ok(format!("Created file: {}", to_create.display()))
Some(Ok(format!("Created file: {}", to_create.display())))
}
})
},
@ -408,10 +414,10 @@ pub fn file_explorer(root: PathBuf, editor: &Editor) -> Result<FileExplorer, std
let move_to = helix_stdx::path::expand_tilde(PathBuf::from(move_to_str));
if move_to.exists() {
// TODO: overwrite prompt
Err(format!("Path {} already exists", move_to.display()))
// TODO: confirmation prompt
Some(Err(format!("Path {} already exists", move_to.display())))
} else {
fs::rename(move_from, &move_to).map_err(|err|
if let Err(err) = fs::rename(move_from, &move_to).map_err(|err|
format!(
"Unable to move {} {} -> {}: {err}",
if move_to_str.ends_with(std::path::MAIN_SEPARATOR) {
@ -422,8 +428,10 @@ pub fn file_explorer(root: PathBuf, editor: &Editor) -> Result<FileExplorer, std
move_from.display(),
move_to.display()
)
)?;
Ok("".into())
) {
return Some(Err(err))
};
None
}
})
},
@ -433,56 +441,62 @@ pub fn file_explorer(root: PathBuf, editor: &Editor) -> Result<FileExplorer, std
let to_delete = helix_stdx::path::expand_tilde(PathBuf::from(to_delete_str));
if to_delete_str == "y" {
if !to_delete.exists() {
return Err(format!("Path {} does not exist", to_delete.display()))
return Some(Err(format!("Path {} does not exist", to_delete.display())))
};
if to_delete_str.ends_with(std::path::MAIN_SEPARATOR) {
fs::remove_dir_all(&to_delete).map_err(
if let Err(err) = fs::remove_dir_all(&to_delete).map_err(
|err| format!(
"Unable to delete directory {}: {err}", to_delete.display()
)
)?;
) {
return Some(Err(err));
};
Ok(format!("Deleted directory: {}", to_delete.display()))
Some(Ok(format!("Deleted directory: {}", to_delete.display())))
} else {
fs::remove_file(&to_delete).map_err(
if let Err(err) = fs::remove_file(&to_delete).map_err(
|err| format!(
"Unable to delete file {}: {err}", to_delete.display()
)
)?;
) {
return Some(Err(err));
};
Ok(format!("Deleted file: {}", to_delete.display()))
Some(Ok(format!("Deleted file: {}", to_delete.display())))
}
} else {
Ok("".into())
None
}
})
},
// copy contents
// copy file / directory
alt!('c') => {
create_file_operation_prompt("copy-to:", cx, path, |_, copy_from, copy_to_str| {
let copy_to = helix_stdx::path::expand_tilde(PathBuf::from(copy_to_str));
if copy_from.is_dir() || copy_to_str.ends_with('/') {
// TODO: support copying directories (recursively)?. This isn't built-in to the standard library
Err(format!(
Some(Err(format!(
"Copying directories is not supported: {} is a directory", copy_from.display()
))
)))
} else if copy_to.exists() {
// TODO: confirmation prompt when overwriting
Err(format!("Path {} exists", copy_to.display()))
// TODO: confirmation prompt
Some(Err(format!("Path {} exists", copy_to.display())))
} else {
std::fs::copy(copy_from, &copy_to).map_err(
if let Err(err) = std::fs::copy(copy_from, &copy_to).map_err(
|err| format!("Unable to copy from file {} to {}: {err}",
copy_from.display(), copy_to.display()
))?;
)) {
return Some(Err(err));
};
Ok(format!(
Some(Ok(format!(
"Copied contents of file {} to {}", copy_from.display(), copy_to.display()
))
)))
}
})
},
// copy path
// copy path into register
alt!('y') => {
let register = cx.editor.selected_register.unwrap_or(
cx.editor.config().default_yank_register