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Replace documents SlotMap with BTreeMap

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This commit is contained in:
Blaž Hrastnik 2021-11-04 13:43:45 +09:00
parent 39584cbccd
commit e2560f427e
5 changed files with 44 additions and 32 deletions
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6
helix-term/src/commands.rs
View file

@ -1818,7 +1818,7 @@ mod cmd {
let mut errors = String::new();
// save all documents
for (_, doc) in &mut cx.editor.documents {
for doc in &mut cx.editor.documents.values_mut() {
if doc.path().is_none() {
errors.push_str("cannot write a buffer without a filename\n");
continue;
@ -2512,7 +2512,7 @@ fn buffer_picker(cx: &mut Context) {
cx.editor
.documents
.iter()
.map(|(id, doc)| (id, doc.path().cloned()))
.map(|(id, doc)| (*id, doc.path().cloned()))
.collect(),
move |(id, path): &(DocumentId, Option<PathBuf>)| {
let path = path.as_deref().map(helix_core::path::get_relative_path);
@ -2531,7 +2531,7 @@ fn buffer_picker(cx: &mut Context) {
editor.switch(*id, Action::Replace);
},
|editor, (id, path)| {
let doc = &editor.documents.get(*id)?;
let doc = &editor.documents.get(id)?;
let &view_id = doc.selections().keys().next()?;
let line = doc
.selection(view_id)

10
helix-term/src/ui/editor.rs
View file

@ -813,12 +813,12 @@ impl EditorView {
let editor = &mut cxt.editor;
let result = editor.tree.views().find_map(|(view, _focus)| {
view.pos_at_screen_coords(&editor.documents[view.doc], row, column)
view.pos_at_screen_coords(&editor.documents[&view.doc], row, column)
.map(|pos| (pos, view.id))
});
if let Some((pos, view_id)) = result {
let doc = &mut editor.documents[editor.tree.get(view_id).doc];
let doc = editor.document_mut(editor.tree.get(view_id).doc).unwrap();
if modifiers == crossterm::event::KeyModifiers::ALT {
let selection = doc.selection(view_id).clone();
@ -870,7 +870,7 @@ impl EditorView {
};
let result = cxt.editor.tree.views().find_map(|(view, _focus)| {
view.pos_at_screen_coords(&cxt.editor.documents[view.doc], row, column)
view.pos_at_screen_coords(&cxt.editor.documents[&view.doc], row, column)
.map(|_| view.id)
});
@ -926,12 +926,12 @@ impl EditorView {
}
let result = editor.tree.views().find_map(|(view, _focus)| {
view.pos_at_screen_coords(&editor.documents[view.doc], row, column)
view.pos_at_screen_coords(&editor.documents[&view.doc], row, column)
.map(|pos| (pos, view.id))
});
if let Some((pos, view_id)) = result {
let doc = &mut editor.documents[editor.tree.get(view_id).doc];
let doc = editor.document_mut(editor.tree.get(view_id).doc).unwrap();
doc.set_selection(view_id, Selection::point(pos));
editor.tree.focus = view_id;
commands::Command::paste_primary_clipboard_before.execute(cxt);

51
helix-view/src/editor.rs
View file

@ -8,6 +8,7 @@ use crate::{
use futures_util::future;
use std::{
collections::BTreeMap,
path::{Path, PathBuf},
pin::Pin,
sync::Arc,
@ -15,8 +16,6 @@ use std::{
use tokio::time::{sleep, Duration, Instant, Sleep};
use slotmap::SlotMap;
use anyhow::Error;
pub use helix_core::diagnostic::Severity;
@ -108,7 +107,8 @@ impl std::fmt::Debug for Motion {
#[derive(Debug)]
pub struct Editor {
pub tree: Tree,
pub documents: SlotMap<DocumentId, Document>,
pub next_document_id: usize,
pub documents: BTreeMap<DocumentId, Document>,
pub count: Option<std::num::NonZeroUsize>,
pub selected_register: Option<char>,
pub registers: Registers,
@ -149,7 +149,8 @@ impl Editor {
Self {
tree: Tree::new(area),
documents: SlotMap::with_key(),
next_document_id: 0,
documents: BTreeMap::new(),
count: None,
selected_register: None,
theme: themes.default(),
@ -216,7 +217,7 @@ impl Editor {
fn _refresh(&mut self) {
for (view, _) in self.tree.views_mut() {
let doc = &self.documents[view.doc];
let doc = &self.documents[&view.doc];
view.ensure_cursor_in_view(doc, self.config.scrolloff)
}
}
@ -225,7 +226,7 @@ impl Editor {
use crate::tree::Layout;
use helix_core::Selection;
if !self.documents.contains_key(id) {
if !self.documents.contains_key(&id) {
log::error!("cannot switch to document that does not exist (anymore)");
return;
}
@ -249,7 +250,7 @@ impl Editor {
// Copy `doc.id` into a variable before calling `self.documents.remove`, which requires a mutable
// borrow, invalidating direct access to `doc.id`.
let id = doc.id;
self.documents.remove(id);
self.documents.remove(&id);
} else {
let jump = (view.doc, doc.selection(view.id).clone());
view.jumps.push(jump);
@ -281,14 +282,14 @@ impl Editor {
let view = View::new(id);
let view_id = self.tree.split(view, Layout::Horizontal);
// initialize selection for view
let doc = &mut self.documents[id];
let doc = self.documents.get_mut(&id).unwrap();
doc.selections.insert(view_id, Selection::point(0));
}
Action::VerticalSplit => {
let view = View::new(id);
let view_id = self.tree.split(view, Layout::Vertical);
// initialize selection for view
let doc = &mut self.documents[id];
let doc = self.documents.get_mut(&id).unwrap();
doc.selections.insert(view_id, Selection::point(0));
}
}
@ -297,9 +298,11 @@ impl Editor {
}
pub fn new_file(&mut self, action: Action) -> DocumentId {
let doc = Document::default();
let id = self.documents.insert(doc);
self.documents[id].id = id;
let id = DocumentId(self.next_document_id);
self.next_document_id += 1;
let mut doc = Document::default();
doc.id = id;
self.documents.insert(id, doc);
self.switch(id, action);
id
}
@ -349,8 +352,10 @@ impl Editor {
doc.set_language_server(Some(language_server));
}
let id = self.documents.insert(doc);
self.documents[id].id = id;
let id = DocumentId(self.next_document_id);
self.next_document_id += 1;
doc.id = id;
self.documents.insert(id, doc);
id
};
@ -361,16 +366,20 @@ impl Editor {
pub fn close(&mut self, id: ViewId, close_buffer: bool) {
let view = self.tree.get(self.tree.focus);
// remove selection
self.documents[view.doc].selections.remove(&id);
self.documents
.get_mut(&view.doc)
.unwrap()
.selections
.remove(&id);
if close_buffer {
// get around borrowck issues
let doc = &self.documents[view.doc];
let doc = &self.documents[&view.doc];
if let Some(language_server) = doc.language_server() {
tokio::spawn(language_server.text_document_did_close(doc.identifier()));
}
self.documents.remove(view.doc);
self.documents.remove(&view.doc);
}
self.tree.remove(id);
@ -409,18 +418,18 @@ impl Editor {
pub fn ensure_cursor_in_view(&mut self, id: ViewId) {
let view = self.tree.get_mut(id);
let doc = &self.documents[view.doc];
let doc = &self.documents[&view.doc];
view.ensure_cursor_in_view(doc, self.config.scrolloff)
}
#[inline]
pub fn document(&self, id: DocumentId) -> Option<&Document> {
self.documents.get(id)
self.documents.get(&id)
}
#[inline]
pub fn document_mut(&mut self, id: DocumentId) -> Option<&mut Document> {
self.documents.get_mut(id)
self.documents.get_mut(&id)
}
#[inline]
@ -445,7 +454,7 @@ impl Editor {
pub fn cursor(&self) -> (Option<Position>, CursorKind) {
let view = view!(self);
let doc = &self.documents[view.doc];
let doc = &self.documents[&view.doc];
let cursor = doc
.selection(view.id)
.primary()

4
helix-view/src/lib.rs
View file

@ -12,8 +12,10 @@ pub mod theme;
pub mod tree;
pub mod view;
#[derive(Clone, Copy, PartialEq, Eq, PartialOrd, Ord, Hash, Default, Debug)]
pub struct DocumentId(usize);
slotmap::new_key_type! {
pub struct DocumentId;
pub struct ViewId;
}

5
helix-view/src/macros.rs
View file

@ -13,7 +13,8 @@
macro_rules! current {
( $( $editor:ident ).+ ) => {{
let view = $crate::view_mut!( $( $editor ).+ );
let doc = &mut $( $editor ).+ .documents[view.doc];
let id = view.doc;
let doc = $( $editor ).+ .documents.get_mut(&id).unwrap();
(view, doc)
}};
}
@ -56,7 +57,7 @@ macro_rules! doc {
macro_rules! current_ref {
( $( $editor:ident ).+ ) => {{
let view = $( $editor ).+ .tree.get($( $editor ).+ .tree.focus);
let doc = &$( $editor ).+ .documents[view.doc];
let doc = &$( $editor ).+ .documents[&view.doc];
(view, doc)
}};
}