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Store history base text as rope

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Co-Authored-By: Antonio Scandurra <me@as-cii.com>
This commit is contained in:
Julia 2023-05-02 10:45:41 -04:00
parent f51425d390
commit 7e06062bdb
1 changed files with 5 additions and 6 deletions
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11
crates/text/src/text.rs
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@ -90,8 +90,7 @@ impl HistoryEntry {
}
struct History {
// TODO: Turn this into a String or Rope, maybe.
base_text: Arc<str>,
base_text: Rope,
operations: TreeMap<clock::Local, Operation>,
insertion_slices: HashMap<clock::Local, Vec<InsertionSlice>>,
undo_stack: Vec<HistoryEntry>,
@ -107,7 +106,7 @@ struct InsertionSlice {
}
impl History {
pub fn new(base_text: Arc<str>) -> Self {
pub fn new(base_text: Rope) -> Self {
Self {
base_text,
operations: Default::default(),
@ -470,7 +469,7 @@ impl Buffer {
let line_ending = LineEnding::detect(&base_text);
LineEnding::normalize(&mut base_text);
let history = History::new(base_text.into());
let history = History::new(Rope::from(base_text.as_ref()));
let mut fragments = SumTree::new();
let mut insertions = SumTree::new();
@ -478,7 +477,7 @@ impl Buffer {
let mut lamport_clock = clock::Lamport::new(replica_id);
let mut version = clock::Global::new();
let visible_text = Rope::from(history.base_text.as_ref());
let visible_text = history.base_text.clone();
if !visible_text.is_empty() {
let insertion_timestamp = InsertionTimestamp {
replica_id: 0,
@ -1165,7 +1164,7 @@ impl Buffer {
self.history.group_until(transaction_id);
}
pub fn base_text(&self) -> &Arc<str> {
pub fn base_text(&self) -> &Rope {
&self.history.base_text
}