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Use refactored Registers type

Browse Source 
This is an unfortunately noisy change: we need to update virtually all
callsites that access the registers. For reads this means passing in the
Editor and for writes this means handling potential failure when we
can't write to a clipboard register.
main
Michael Davis 10 months ago committed by Blaž Hrastnik
parent 0f19f282cf
commit baceb02a09
7 changed files with 118 additions and 206 deletions
Show Stats Download Patch File Download Diff File

1
helix-core/src/lib.rs
Unescape Escape View File

@ -18,7 +18,6 @@ pub mod movement;
pub mod object;
pub mod path;
mod position;
pub mod register;
pub mod search;
pub mod selection;
pub mod shellwords;

89
helix-core/src/register.rs
Unescape Escape View File

@ -1,89 +0,0 @@
use std::collections::HashMap;
#[derive(Debug)]
pub struct Register {
name: char,
values: Vec<String>,
}
impl Register {
pub const fn new(name: char) -> Self {
Self {
name,
values: Vec::new(),
}
}
pub fn new_with_values(name: char, values: Vec<String>) -> Self {
Self { name, values }
}
pub const fn name(&self) -> char {
self.name
}
pub fn read(&self) -> &[String] {
&self.values
}
pub fn write(&mut self, values: Vec<String>) {
self.values = values;
}
pub fn push(&mut self, value: String) {
self.values.push(value);
}
}
/// Currently just wraps a `HashMap` of `Register`s
#[derive(Debug, Default)]
pub struct Registers {
inner: HashMap<char, Register>,
}
impl Registers {
pub fn get(&self, name: char) -> Option<&Register> {
self.inner.get(&name)
}
pub fn read(&self, name: char) -> Option<&[String]> {
self.get(name).map(|reg| reg.read())
}
pub fn write(&mut self, name: char, values: Vec<String>) {
if name != '_' {
self.inner
.insert(name, Register::new_with_values(name, values));
}
}
pub fn push(&mut self, name: char, value: String) {
if name != '_' {
if let Some(r) = self.inner.get_mut(&name) {
r.push(value);
} else {
self.write(name, vec![value]);
}
}
}
pub fn first(&self, name: char) -> Option<&String> {
self.read(name).and_then(|entries| entries.first())
}
pub fn last(&self, name: char) -> Option<&String> {
self.read(name).and_then(|entries| entries.last())
}
pub fn inner(&self) -> &HashMap<char, Register> {
&self.inner
}
pub fn clear(&mut self) {
self.inner.clear();
}
pub fn remove(&mut self, name: char) -> Option<Register> {
self.inner.remove(&name)
}
}

148
helix-term/src/commands.rs
Unescape Escape View File

@ -1847,11 +1847,11 @@ fn search_impl(
fn search_completions(cx: &mut Context, reg: Option<char>) -> Vec<String> {
let mut items = reg
.and_then(|reg| cx.editor.registers.get(reg))
.map_or(Vec::new(), |reg| reg.read().iter().take(200).collect());
.and_then(|reg| cx.editor.registers.read(reg, cx.editor))
.map_or(Vec::new(), |reg| reg.take(200).collect());
items.sort_unstable();
items.dedup();
items.into_iter().cloned().collect()
items.into_iter().map(|value| value.to_string()).collect()
}
fn search(cx: &mut Context) {
@ -1910,9 +1910,8 @@ fn search_next_or_prev_impl(cx: &mut Context, movement: Movement, direction: Dir
let count = cx.count();
let config = cx.editor.config();
let scrolloff = config.scrolloff;
let (_, doc) = current!(cx.editor);
let registers = &cx.editor.registers;
if let Some(query) = registers.read('/').and_then(|query| query.last()) {
if let Some(query) = cx.editor.registers.last('/', cx.editor) {
let doc = doc!(cx.editor);
let contents = doc.text().slice(..).to_string();
let search_config = &config.search;
let case_insensitive = if search_config.smart_case {
@ -1921,7 +1920,7 @@ fn search_next_or_prev_impl(cx: &mut Context, movement: Movement, direction: Dir
false
};
let wrap_around = search_config.wrap_around;
if let Ok(regex) = RegexBuilder::new(query)
if let Ok(regex) = RegexBuilder::new(&query)
.case_insensitive(case_insensitive)
.multi_line(true)
.build()
@ -1974,12 +1973,14 @@ fn search_selection(cx: &mut Context) {
.join("|");
let msg = format!("register '{}' set to '{}'", '/', &regex);
cx.editor.registers.push('/', regex);
cx.editor.set_status(msg);
match cx.editor.registers.push('/', regex) {
Ok(_) => cx.editor.set_status(msg),
Err(err) => cx.editor.set_error(err.to_string()),
}
}
fn make_search_word_bounded(cx: &mut Context) {
let regex = match cx.editor.registers.last('/') {
let regex = match cx.editor.registers.last('/', cx.editor) {
Some(regex) => regex,
None => return,
};
@ -1997,14 +1998,16 @@ fn make_search_word_bounded(cx: &mut Context) {
if !start_anchored {
new_regex.push_str("\\b");
}
new_regex.push_str(regex);
new_regex.push_str(&regex);
if !end_anchored {
new_regex.push_str("\\b");
}
let msg = format!("register '{}' set to '{}'", '/', &new_regex);
cx.editor.registers.push('/', new_regex);
cx.editor.set_status(msg);
match cx.editor.registers.push('/', new_regex) {
Ok(_) => cx.editor.set_status(msg),
Err(err) => cx.editor.set_error(err.to_string()),
}
}
fn global_search(cx: &mut Context) {
@ -2367,7 +2370,10 @@ fn delete_selection_impl(cx: &mut Context, op: Operation) {
let text = doc.text().slice(..);
let values: Vec<String> = selection.fragments(text).map(Cow::into_owned).collect();
let reg_name = cx.register.unwrap_or('"');
cx.editor.registers.write(reg_name, values);
if let Err(err) = cx.editor.registers.write(reg_name, values) {
cx.editor.set_error(err.to_string());
return;
}
};
// then delete
@ -3758,18 +3764,16 @@ fn yank(cx: &mut Context) {
.fragments(text)
.map(Cow::into_owned)
.collect();
let selections = values.len();
let register = cx.register.unwrap_or('"');
let msg = format!(
"yanked {} selection(s) to register {}",
values.len(),
cx.register.unwrap_or('"')
);
cx.editor
.registers
.write(cx.register.unwrap_or('"'), values);
match cx.editor.registers.write(register, values) {
Ok(_) => cx.editor.set_status(format!(
"yanked {selections} selection(s) to register {register}",
)),
Err(err) => cx.editor.set_error(err.to_string()),
}
cx.editor.set_status(msg);
exit_select_mode(cx);
}
@ -3778,6 +3782,7 @@ fn yank_joined_impl(editor: &mut Editor, separator: &str, register: char) {
let text = doc.text().slice(..);
let selection = doc.selection(view.id);
let selections = selection.len();
let joined = selection
.fragments(text)
.fold(String::new(), |mut acc, fragment| {
@ -3788,14 +3793,12 @@ fn yank_joined_impl(editor: &mut Editor, separator: &str, register: char) {
acc
});
let msg = format!(
"joined and yanked {} selection(s) to register {}",
selection.len(),
register,
);
editor.registers.write(register, vec![joined]);
editor.set_status(msg);
match editor.registers.write(register, vec![joined]) {
Ok(_) => editor.set_status(format!(
"joined and yanked {selections} selection(s) to register {register}",
)),
Err(err) => editor.set_error(err.to_string()),
}
}
fn yank_joined(cx: &mut Context) {
@ -4040,34 +4043,34 @@ fn paste_primary_clipboard_before(cx: &mut Context) {
fn replace_with_yanked(cx: &mut Context) {
let count = cx.count();
let reg_name = cx.register.unwrap_or('"');
let (view, doc) = current!(cx.editor);
let registers = &mut cx.editor.registers;
if let Some(values) = registers.read(reg_name) {
if !values.is_empty() {
let repeat = std::iter::repeat(
values
.last()
.map(|value| Tendril::from(&value.repeat(count)))
.unwrap(),
);
let mut values = values
.iter()
.map(|value| Tendril::from(&value.repeat(count)))
.chain(repeat);
let selection = doc.selection(view.id);
let transaction = Transaction::change_by_selection(doc.text(), selection, |range| {
if !range.is_empty() {
(range.from(), range.to(), Some(values.next().unwrap()))
} else {
(range.from(), range.to(), None)
}
});
doc.apply(&transaction, view.id);
exit_select_mode(cx);
let Some(values) = cx.editor.registers
.read(reg_name, cx.editor)
.filter(|values| values.len() > 0) else { return };
let values: Vec<_> = values.map(|value| value.to_string()).collect();
let (view, doc) = current!(cx.editor);
let repeat = std::iter::repeat(
values
.last()
.map(|value| Tendril::from(&value.repeat(count)))
.unwrap(),
);
let mut values = values
.iter()
.map(|value| Tendril::from(&value.repeat(count)))
.chain(repeat);
let selection = doc.selection(view.id);
let transaction = Transaction::change_by_selection(doc.text(), selection, |range| {
if !range.is_empty() {
(range.from(), range.to(), Some(values.next().unwrap()))
} else {
(range.from(), range.to(), None)
}
}
});
doc.apply(&transaction, view.id);
exit_select_mode(cx);
}
fn replace_selections_with_clipboard_impl(
@ -4109,12 +4112,12 @@ fn replace_selections_with_primary_clipboard(cx: &mut Context) {
fn paste(cx: &mut Context, pos: Paste) {
let count = cx.count();
let reg_name = cx.register.unwrap_or('"');
let (view, doc) = current!(cx.editor);
let registers = &mut cx.editor.registers;
if let Some(values) = registers.read(reg_name) {
paste_impl(values, doc, view, pos, count, cx.editor.mode);
}
let Some(values) = cx.editor.registers.read(reg_name, cx.editor) else { return };
let values: Vec<_> = values.map(|value| value.to_string()).collect();
let (view, doc) = current!(cx.editor);
paste_impl(&values, doc, view, pos, count, cx.editor.mode);
}
fn paste_after(cx: &mut Context) {
@ -5593,9 +5596,12 @@ fn record_macro(cx: &mut Context) {
}
})
.collect::<String>();
cx.editor.registers.write(reg, vec![s]);
cx.editor
.set_status(format!("Recorded to register [{}]", reg));
match cx.editor.registers.write(reg, vec![s]) {
Ok(_) => cx
.editor
.set_status(format!("Recorded to register [{}]", reg)),
Err(err) => cx.editor.set_error(err.to_string()),
}
} else {
let reg = cx.register.take().unwrap_or('@');
cx.editor.macro_recording = Some((reg, Vec::new()));
@ -5615,8 +5621,14 @@ fn replay_macro(cx: &mut Context) {
return;
}
let keys: Vec<KeyEvent> = if let Some([keys_str]) = cx.editor.registers.read(reg) {
match helix_view::input::parse_macro(keys_str) {
let keys: Vec<KeyEvent> = if let Some(keys) = cx
.editor
.registers
.read(reg, cx.editor)
.filter(|values| values.len() == 1)
.map(|mut values| values.next().unwrap())
{
match helix_view::input::parse_macro(&keys) {
Ok(keys) => keys,
Err(err) => {
cx.editor.set_error(format!("Invalid macro: {}", err));

13
helix-term/src/commands/typed.rs
Unescape Escape View File

@ -2285,13 +2285,12 @@ fn clear_register(
format!("Invalid register {}", args[0])
);
let register = args[0].chars().next().unwrap_or_default();
match cx.editor.registers.remove(register) {
Some(_) => cx
.editor
.set_status(format!("Register {} cleared", register)),
None => cx
.editor
.set_error(format!("Register {} not found", register)),
if cx.editor.registers.remove(register) {
cx.editor
.set_status(format!("Register {} cleared", register));
} else {
cx.editor
.set_error(format!("Register {} not found", register));
}
Ok(())
}

56
helix-term/src/ui/prompt.rs
Unescape Escape View File

@ -306,8 +306,8 @@ impl Prompt {
direction: CompletionDirection,
) {
(self.callback_fn)(cx, &self.line, PromptEvent::Abort);
let values = match cx.editor.registers.read(register) {
Some(values) if !values.is_empty() => values,
let mut values = match cx.editor.registers.read(register, cx.editor) {
Some(values) if values.len() > 0 => values,
_ => return,
};
@ -315,13 +315,16 @@ impl Prompt {
let index = match direction {
CompletionDirection::Forward => self.history_pos.map_or(0, |i| i + 1),
CompletionDirection::Backward => {
self.history_pos.unwrap_or(values.len()).saturating_sub(1)
}
CompletionDirection::Backward => self
.history_pos
.unwrap_or_else(|| values.len())
.saturating_sub(1),
}
.min(end);
self.line = values[index].clone();
self.line = values.nth(index).unwrap().to_string();
// Appease the borrow checker.
drop(values);
self.history_pos = Some(index);
@ -470,7 +473,7 @@ impl Prompt {
// Show the most recently entered value as a suggestion.
if let Some(suggestion) = self
.history_register
.and_then(|reg| cx.editor.registers.last(reg))
.and_then(|reg| cx.editor.registers.last(reg, cx.editor))
{
surface.set_string(line_area.x, line_area.y, suggestion, suggestion_color);
}
@ -567,25 +570,29 @@ impl Component for Prompt {
} else {
let last_item = self
.history_register
.and_then(|reg| cx.editor.registers.last(reg).cloned())
.map(|entry| entry.into())
.unwrap_or_else(|| Cow::from(""));
.and_then(|reg| cx.editor.registers.last(reg, cx.editor))
.map(|entry| entry.to_string())
.unwrap_or_else(|| String::from(""));
// handle executing with last command in history if nothing entered
let input: Cow<str> = if self.line.is_empty() {
last_item
let input = if self.line.is_empty() {
&last_item
} else {
if last_item != self.line {
// store in history
if let Some(register) = self.history_register {
cx.editor.registers.push(register, self.line.clone());
if let Err(err) =
cx.editor.registers.push(register, self.line.clone())
{
cx.editor.set_error(err.to_string());
}
};
}
self.line.as_str().into()
&self.line
};
(self.callback_fn)(cx, &input, PromptEvent::Validate);
(self.callback_fn)(cx, input, PromptEvent::Validate);
return close_fn;
}
@ -617,25 +624,16 @@ impl Component for Prompt {
self.completion = cx
.editor
.registers
.inner()
.iter()
.map(|(ch, reg)| {
let content = reg
.read()
.get(0)
.and_then(|s| s.lines().next().to_owned())
.unwrap_or_default();
(0.., format!("{} {}", ch, &content).into())
})
.iter_preview()
.map(|(ch, preview)| (0.., format!("{} {}", ch, &preview).into()))
.collect();
self.next_char_handler = Some(Box::new(|prompt, c, context| {
prompt.insert_str(
context
&context
.editor
.registers
.read(c)
.and_then(|r| r.first())
.map_or("", |r| r.as_str()),
.first(c, context.editor)
.unwrap_or_default(),
context.editor,
);
}));

2
helix-view/src/editor.rs
Unescape Escape View File

@ -5,6 +5,7 @@ use crate::{
graphics::{CursorKind, Rect},
info::Info,
input::KeyEvent,
register::Registers,
theme::{self, Theme},
tree::{self, Tree},
view::ViewPosition,
@ -40,7 +41,6 @@ use tokio::{
use anyhow::{anyhow, bail, Error};
pub use helix_core::diagnostic::Severity;
pub use helix_core::register::Registers;
use helix_core::{
auto_pairs::AutoPairs,
syntax::{self, AutoPairConfig, SoftWrap},

15
helix-view/src/info.rs
Unescape Escape View File

@ -1,4 +1,5 @@
use helix_core::{register::Registers, unicode::width::UnicodeWidthStr};
use crate::register::Registers;
use helix_core::unicode::width::UnicodeWidthStr;
use std::fmt::Write;
#[derive(Debug)]
@ -56,16 +57,8 @@ impl Info {
pub fn from_registers(registers: &Registers) -> Self {
let body: Vec<_> = registers
.inner()
.iter()
.map(|(ch, reg)| {
let content = reg
.read()
.get(0)
.and_then(|s| s.lines().next())
.unwrap_or_default();
(ch.to_string(), content)
})
.iter_preview()
.map(|(ch, preview)| (ch.to_string(), preview))
.collect();
let mut infobox = Self::new("Registers", &body);

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