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feat: auto-pair triple quotes

pull/13699/head
aster 2025-06-16 13:55:03 +09:00
parent d1ad8a2fe9
commit 52696de6de
1 changed files with 21 additions and 6 deletions
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27
helix-core/src/auto_pairs.rs
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@ -340,17 +340,32 @@ fn handle_same(doc: &Rope, selection: &Selection, pair: &Pair) -> Transaction {
let transaction = Transaction::change_by_selection(doc, selection, |start_range| {
let cursor = start_range.cursor(doc.slice(..));
let mut len_inserted = 0;
let is_triple = cursor >= 2
let has_at_least_two_before = cursor >= 2
&& doc.get_char(cursor - 1) == Some(pair.open)
&& doc.get_char(cursor - 2) == Some(pair.open);
let has_at_least_three_before =
has_at_least_two_before && cursor >= 3 && doc.get_char(cursor - 3) == Some(pair.open);
let next_char = doc.get_char(cursor);
let change = if next_char == Some(pair.open) {
// return transaction that moves past close
// (from, to, replacement)
let change = if next_char == Some(pair.close) {
// moves past close
(cursor, cursor, None) // no-op - don't insert char
} else if is_triple {
// ignore triple-quotes
(cursor, cursor, Some(Tendril::from_iter([pair.open]))) // only insert one char (normal operation)
} else if has_at_least_three_before {
// don't auto pair more than triple quotes
(cursor, cursor, Some(Tendril::from_iter([pair.close]))) // only insert one char (normal operation)
} else if has_at_least_two_before {
// exactly two before: auto-pair 3 quotes
// `''|` -> `'''|'''`
(
cursor,
cursor,
Some(Tendril::from_iter([
// first is the default keystroke, the rest 3 are auto-pair
pair.close, pair.close, pair.close, pair.close,
])),
)
} else {
let mut pair_str = Tendril::new();
pair_str.push(pair.open);