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Replace tendril with smartstring

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Slightly smaller API surface, less dependencies.
This commit is contained in:
Blaž Hrastnik 2022-02-07 14:03:04 +09:00
parent fdb9a1677b
commit f88c077f99
10 changed files with 69 additions and 80 deletions
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56
Cargo.lock generated
View file

@ -246,16 +246,6 @@ dependencies = [
"percent-encoding",
]
[[package]]
name = "futf"
version = "0.1.5"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "df420e2e84819663797d1ec6544b13c5be84629e7bb00dc960d6917db2987843"
dependencies = [
"mac",
"new_debug_unreachable",
]
[[package]]
name = "futures-core"
version = "0.3.21"
@ -383,7 +373,7 @@ dependencies = [
"similar",
"slotmap",
"smallvec",
"tendril",
"smartstring",
"toml",
"tree-sitter",
"unicode-general-category",
@ -606,12 +596,6 @@ dependencies = [
"url",
]
[[package]]
name = "mac"
version = "0.1.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "c41e0c4fef86961ac6d6f8a82609f55f31b05e4fce149ac5710e439df7619ba4"
[[package]]
name = "matches"
version = "0.1.9"
@ -655,12 +639,6 @@ dependencies = [
"winapi",
]
[[package]]
name = "new_debug_unreachable"
version = "1.0.4"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "e4a24736216ec316047a1fc4252e27dabb04218aa4a3f37c6e7ddbf1f9782b54"
[[package]]
name = "ntapi"
version = "0.3.6"
@ -1010,6 +988,21 @@ version = "1.8.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "f2dd574626839106c320a323308629dcb1acfc96e32a8cba364ddc61ac23ee83"
[[package]]
name = "smartstring"
version = "0.2.9"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "31aa6a31c0c2b21327ce875f7e8952322acfcfd0c27569a6e18a647281352c9b"
dependencies = [
"static_assertions",
]
[[package]]
name = "static_assertions"
version = "1.1.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "a2eb9349b6444b326872e140eb1cf5e7c522154d69e7a0ffb0fb81c06b37543f"
[[package]]
name = "str-buf"
version = "1.0.5"
@ -1027,17 +1020,6 @@ dependencies = [
"unicode-xid",
]
[[package]]
name = "tendril"
version = "0.4.2"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "a9ef557cb397a4f0a5a3a628f06515f78563f2209e64d47055d9dc6052bf5e33"
dependencies = [
"futf",
"mac",
"utf-8",
]
[[package]]
name = "thiserror"
version = "1.0.30"
@ -1212,12 +1194,6 @@ dependencies = [
"serde",
]
[[package]]
name = "utf-8"
version = "0.7.6"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "09cc8ee72d2a9becf2f2febe0205bbed8fc6615b7cb429ad062dc7b7ddd036a9"
[[package]]
name = "version_check"
version = "0.9.4"

2
helix-core/Cargo.toml
View file

@ -17,7 +17,7 @@ helix-syntax = { version = "0.6", path = "../helix-syntax" }
ropey = "1.3"
smallvec = "1.8"
tendril = "0.4.2"
smartstring = "0.2.9"
unicode-segmentation = "1.9"
unicode-width = "0.1"
unicode-general-category = "0.5"

14
helix-core/src/auto_pairs.rs
View file

@ -214,7 +214,9 @@ fn handle_open(
let change = match next_char {
Some(ch) if !close_before.contains(ch) => {
len_inserted = open.len_utf8();
(cursor, cursor, Some(Tendril::from_char(open)))
let mut tendril = Tendril::new();
tendril.push(open);
(cursor, cursor, Some(tendril))
}
// None | Some(ch) if close_before.contains(ch) => {}
_ => {
@ -252,7 +254,9 @@ fn handle_close(doc: &Rope, selection: &Selection, _open: char, close: char) ->
(cursor, cursor, None) // no-op
} else {
len_inserted += close.len_utf8();
(cursor, cursor, Some(Tendril::from_char(close)))
let mut tendril = Tendril::new();
tendril.push(close);
(cursor, cursor, Some(tendril))
};
let next_range = get_next_range(doc, start_range, offs, close, len_inserted);
@ -290,15 +294,15 @@ fn handle_same(
// return transaction that moves past close
(cursor, cursor, None) // no-op
} else {
let mut pair = Tendril::with_capacity(2 * token.len_utf8() as u32);
pair.push_char(token);
let mut pair = Tendril::new();
pair.push(token);
// for equal pairs, don't insert both open and close if either
// side has a non-pair char
if (next_char.is_none() || close_before.contains(next_char.unwrap()))
&& (prev_char.is_none() || open_before.contains(prev_char.unwrap()))
{
pair.push_char(token);
pair.push(token);
}
len_inserted += pair.len();

2
helix-core/src/increment/date_time.rs
View file

@ -451,7 +451,7 @@ mod test {
.unwrap()
.increment(amount)
.1,
expected.into()
Tendril::from(expected)
);
}
}

10
helix-core/src/increment/number.rs
View file

@ -371,7 +371,7 @@ mod test {
.unwrap()
.increment(amount)
.1,
expected.into()
Tendril::from(expected)
);
}
}
@ -398,7 +398,7 @@ mod test {
.unwrap()
.increment(amount)
.1,
expected.into()
Tendril::from(expected)
);
}
}
@ -426,7 +426,7 @@ mod test {
.unwrap()
.increment(amount)
.1,
expected.into()
Tendril::from(expected)
);
}
}
@ -472,7 +472,7 @@ mod test {
.unwrap()
.increment(amount)
.1,
expected.into()
Tendril::from(expected)
);
}
}
@ -500,7 +500,7 @@ mod test {
.unwrap()
.increment(amount)
.1,
expected.into()
Tendril::from(expected)
);
}
}

5
helix-core/src/lib.rs
View file

@ -212,7 +212,10 @@ use etcetera::base_strategy::{choose_base_strategy, BaseStrategy};
pub use ropey::{Rope, RopeBuilder, RopeSlice};
pub use tendril::StrTendril as Tendril;
// pub use tendril::StrTendril as Tendril;
pub use smartstring::SmartString;
pub type Tendril = SmartString<smartstring::LazyCompact>;
#[doc(inline)]
pub use {regex, tree_sitter};

24
helix-core/src/transaction.rs
View file

@ -85,7 +85,7 @@ impl ChangeSet {
let new_last = match self.changes.as_mut_slice() {
[.., Insert(prev)] | [.., Insert(prev), Delete(_)] => {
prev.push_tendril(&fragment);
prev.push_str(&fragment);
return;
}
[.., last @ Delete(_)] => std::mem::replace(last, Insert(fragment)),
@ -189,7 +189,7 @@ impl ChangeSet {
// TODO: cover this with a test
// figure out the byte index of the truncated string end
let (pos, _) = s.char_indices().nth(j).unwrap();
s.pop_front(pos as u32);
s.replace_range(0..pos, "");
head_a = Some(Insert(s));
head_b = changes_b.next();
}
@ -211,9 +211,11 @@ impl ChangeSet {
Ordering::Greater => {
// figure out the byte index of the truncated string end
let (pos, _) = s.char_indices().nth(j).unwrap();
let pos = pos as u32;
changes.insert(s.subtendril(0, pos));
head_a = Some(Insert(s.subtendril(pos, s.len() as u32 - pos)));
let mut before = s;
let after = before.split_off(pos);
changes.insert(before);
head_a = Some(Insert(after));
head_b = changes_b.next();
}
}
@ -277,7 +279,7 @@ impl ChangeSet {
}
Delete(n) => {
let text = Cow::from(original_doc.slice(pos..pos + *n));
changes.insert(Tendril::from_slice(&text));
changes.insert(Tendril::from(text.as_ref()));
pos += n;
}
Insert(s) => {
@ -710,19 +712,19 @@ mod test {
#[test]
fn optimized_composition() {
let mut state = State::new("".into());
let t1 = Transaction::insert(&state.doc, &state.selection, Tendril::from_char('h'));
let t1 = Transaction::insert(&state.doc, &state.selection, Tendril::from("h"));
t1.apply(&mut state.doc);
state.selection = state.selection.clone().map(t1.changes());
let t2 = Transaction::insert(&state.doc, &state.selection, Tendril::from_char('e'));
let t2 = Transaction::insert(&state.doc, &state.selection, Tendril::from("e"));
t2.apply(&mut state.doc);
state.selection = state.selection.clone().map(t2.changes());
let t3 = Transaction::insert(&state.doc, &state.selection, Tendril::from_char('l'));
let t3 = Transaction::insert(&state.doc, &state.selection, Tendril::from("l"));
t3.apply(&mut state.doc);
state.selection = state.selection.clone().map(t3.changes());
let t4 = Transaction::insert(&state.doc, &state.selection, Tendril::from_char('l'));
let t4 = Transaction::insert(&state.doc, &state.selection, Tendril::from("l"));
t4.apply(&mut state.doc);
state.selection = state.selection.clone().map(t4.changes());
let t5 = Transaction::insert(&state.doc, &state.selection, Tendril::from_char('o'));
let t5 = Transaction::insert(&state.doc, &state.selection, Tendril::from("o"));
t5.apply(&mut state.doc);
state.selection = state.selection.clone().map(t5.changes());

2
helix-lsp/src/client.rs
View file

@ -438,7 +438,7 @@ impl Client {
changes.push(lsp::TextDocumentContentChangeEvent {
range: Some(lsp::Range::new(start, end)),
text: s.into(),
text: s.to_string(),
range_length: None,
});
}

32
helix-term/src/commands.rs
View file

@ -2769,7 +2769,7 @@ pub mod cmd {
let mut fragments: Vec<_> = selection
.fragments(text)
.map(|fragment| Tendril::from_slice(&fragment))
.map(|fragment| Tendril::from(fragment.as_ref()))
.collect();
fragments.sort_by(match reverse {
@ -3921,7 +3921,7 @@ fn try_restore_indent(doc: &mut Document, view_id: ViewId) {
if let [Operation::Retain(move_pos), Operation::Insert(ref inserted_str), Operation::Retain(_)] =
changes
{
move_pos + inserted_str.len32() as usize == pos
move_pos + inserted_str.len() == pos
&& inserted_str.starts_with('\n')
&& inserted_str.chars().skip(1).all(char_is_whitespace)
&& pos == line_end_pos // ensure no characters exists after current position
@ -4513,7 +4513,8 @@ pub mod insert {
#[allow(clippy::unnecessary_wraps)] // need to use Option<> because of the Hook signature
fn insert(doc: &Rope, selection: &Selection, ch: char) -> Option<Transaction> {
let cursors = selection.clone().cursors(doc.slice(..));
let t = Tendril::from_char(ch);
let mut t = Tendril::new();
t.push(ch);
let transaction = Transaction::insert(doc, &cursors, t);
Some(transaction)
}
@ -5015,12 +5016,12 @@ fn replace_with_yanked(cx: &mut Context) {
let repeat = std::iter::repeat(
values
.last()
.map(|value| Tendril::from_slice(&value.repeat(count)))
.map(|value| Tendril::from(&value.repeat(count)))
.unwrap(),
);
let mut values = values
.iter()
.map(|value| Tendril::from_slice(&value.repeat(count)))
.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| {
@ -5530,7 +5531,7 @@ fn rotate_selection_contents(cx: &mut Context, direction: Direction) {
let selection = doc.selection(view.id);
let mut fragments: Vec<_> = selection
.fragments(text)
.map(|fragment| Tendril::from_slice(&fragment))
.map(|fragment| Tendril::from(fragment.as_ref()))
.collect();
let group = count
@ -5891,8 +5892,12 @@ fn surround_add(cx: &mut Context) {
let mut changes = Vec::with_capacity(selection.len() * 2);
for range in selection.iter() {
changes.push((range.from(), range.from(), Some(Tendril::from_char(open))));
changes.push((range.to(), range.to(), Some(Tendril::from_char(close))));
let mut o = Tendril::new();
o.push(open);
let mut c = Tendril::new();
c.push(close);
changes.push((range.from(), range.from(), Some(o)));
changes.push((range.to(), range.to(), Some(c)));
}
let transaction = Transaction::change(doc.text(), changes.into_iter());
@ -5921,11 +5926,9 @@ fn surround_replace(cx: &mut Context) {
let transaction = Transaction::change(
doc.text(),
change_pos.iter().enumerate().map(|(i, &pos)| {
(
pos,
pos + 1,
Some(Tendril::from_char(if i % 2 == 0 { open } else { close })),
)
let mut t = Tendril::new();
t.push(if i % 2 == 0 { open } else { close });
(pos, pos + 1, Some(t))
}),
);
doc.apply(&transaction, view.id);
@ -6065,8 +6068,9 @@ fn shell_impl(
log::error!("Shell error: {}", String::from_utf8_lossy(&output.stderr));
}
let tendril = Tendril::try_from_byte_slice(&output.stdout)
let str = std::str::from_utf8(&output.stdout)
.map_err(|_| anyhow!("Process did not output valid UTF-8"))?;
let tendril = Tendril::from(str);
Ok((tendril, output.status.success()))
}

2
xtask/src/main.rs
View file

@ -120,7 +120,7 @@ pub mod md_gen {
}
fn md_table_row(cols: &[String]) -> String {
"| ".to_owned() + &cols.join(" | ") + " |\n"
format!("| {} |\n", cols.join(" | "))
}
fn md_mono(s: &str) -> String {