mirror of
https://github.com/ilyakooo0/helix.git
synced 2024-09-12 00:07:42 +03:00
Refactor: Document type as a wrapper around barebones State.
This commit is contained in:
parent
81ccca0c6a
commit
b39849dde1
2
Cargo.lock
generated
2
Cargo.lock
generated
@ -447,6 +447,7 @@ dependencies = [
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"futures-util",
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"glob",
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"helix-core",
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"helix-view",
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"jsonrpc-core",
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"lsp-types",
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"pathdiff",
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@ -491,6 +492,7 @@ dependencies = [
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"helix-core",
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"once_cell",
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"tui",
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"url",
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]
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[[package]]
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@ -111,17 +111,17 @@ fn find_first_non_whitespace_char(state: &State, line_num: usize) -> usize {
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start
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}
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fn suggested_indent_for_line(state: &State, line_num: usize) -> usize {
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fn suggested_indent_for_line(syntax: Option<&Syntax>, state: &State, line_num: usize) -> usize {
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let line = state.doc.line(line_num);
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let current = indent_level_for_line(line);
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let start = find_first_non_whitespace_char(state, line_num);
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suggested_indent_for_pos(state, start)
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suggested_indent_for_pos(syntax, state, start)
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}
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pub fn suggested_indent_for_pos(state: &State, pos: usize) -> usize {
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if let Some(syntax) = &state.syntax {
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pub fn suggested_indent_for_pos(syntax: Option<&Syntax>, state: &State, pos: usize) -> usize {
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if let Some(syntax) = syntax {
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let byte_start = state.doc.char_to_byte(pos);
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let node = get_highest_syntax_node_at_bytepos(syntax, byte_start);
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@ -163,13 +163,18 @@ fn hello_world() {
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",
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);
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let mut state = State::new(doc);
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state.set_language("source.rust", &[]);
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let state = State::new(doc);
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// TODO: set_language
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let language_config = crate::syntax::LOADER
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.language_config_for_scope("source.rust")
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.unwrap();
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let highlight_config = language_config.highlight_config(&[]).unwrap().unwrap();
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let syntax = Syntax::new(&state.doc, highlight_config.clone());
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assert_eq!(suggested_indent_for_line(&state, 0), 0); // mod
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assert_eq!(suggested_indent_for_line(&state, 1), 1); // fn
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assert_eq!(suggested_indent_for_line(&state, 2), 2); // 1 + 1
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assert_eq!(suggested_indent_for_line(&state, 4), 1); // }
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assert_eq!(suggested_indent_for_line(&state, 5), 0); // }
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assert_eq!(suggested_indent_for_line(Some(&syntax), &state, 0), 0); // mod
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assert_eq!(suggested_indent_for_line(Some(&syntax), &state, 1), 1); // fn
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assert_eq!(suggested_indent_for_line(Some(&syntax), &state, 2), 2); // 1 + 1
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assert_eq!(suggested_indent_for_line(Some(&syntax), &state, 4), 1); // }
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assert_eq!(suggested_indent_for_line(Some(&syntax), &state, 5), 0); // }
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}
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}
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@ -3,34 +3,11 @@
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use crate::{ChangeSet, Diagnostic, Position, Range, Rope, RopeSlice, Selection, Syntax};
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use anyhow::Error;
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use std::path::PathBuf;
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#[derive(Copy, Clone, PartialEq, Eq, Hash)]
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pub enum Mode {
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Normal,
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Insert,
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Goto,
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}
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/// A state represents the current editor state of a single buffer.
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pub struct State {
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// TODO: fields should be private but we need to refactor commands.rs first
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/// Path to file on disk.
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pub path: Option<PathBuf>,
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pub doc: Rope,
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pub selection: Selection,
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pub mode: Mode,
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pub restore_cursor: bool,
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// TODO: move these to a Document wrapper?
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pub syntax: Option<Syntax>,
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/// Pending changes since last history commit.
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pub changes: ChangeSet,
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pub old_state: Option<(Rope, Selection)>,
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pub version: i64,
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pub diagnostics: Vec<Diagnostic>,
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}
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#[derive(Copy, Clone, PartialEq, Eq)]
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@ -49,60 +26,12 @@ pub enum Granularity {
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impl State {
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#[must_use]
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pub fn new(doc: Rope) -> Self {
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let changes = ChangeSet::new(&doc);
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let old_state = Some((doc.clone(), Selection::single(0, 0)));
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Self {
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path: None,
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doc,
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selection: Selection::single(0, 0),
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mode: Mode::Normal,
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restore_cursor: false,
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syntax: None,
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changes,
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old_state,
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diagnostics: Vec::new(),
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version: 0,
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}
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}
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// TODO: passing scopes here is awkward
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pub fn load(path: PathBuf, scopes: &[String]) -> Result<Self, Error> {
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use std::{env, fs::File, io::BufReader};
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let _current_dir = env::current_dir()?;
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let doc = Rope::from_reader(BufReader::new(File::open(path.clone())?))?;
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// TODO: create if not found
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let mut state = Self::new(doc);
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if let Some(language_config) = LOADER.language_config_for_file_name(path.as_path()) {
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let highlight_config = language_config.highlight_config(scopes).unwrap().unwrap();
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// TODO: config.configure(scopes) is now delayed, is that ok?
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let syntax = Syntax::new(&state.doc, highlight_config.clone());
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state.syntax = Some(syntax);
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};
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// canonicalize path to absolute value
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state.path = Some(std::fs::canonicalize(path)?);
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Ok(state)
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}
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pub fn set_language(&mut self, scope: &str, scopes: &[String]) {
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if let Some(language_config) = LOADER.language_config_for_scope(scope) {
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let highlight_config = language_config.highlight_config(scopes).unwrap().unwrap();
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// TODO: config.configure(scopes) is now delayed, is that ok?
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let syntax = Syntax::new(&self.doc, highlight_config.clone());
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self.syntax = Some(syntax);
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};
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}
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// TODO: doc/selection accessors
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// TODO: be able to take either Rope or RopeSlice
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@ -116,16 +45,6 @@ pub fn selection(&self) -> &Selection {
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&self.selection
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}
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#[inline]
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pub fn mode(&self) -> Mode {
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self.mode
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}
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#[inline]
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pub fn path(&self) -> Option<&PathBuf> {
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self.path.as_ref()
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}
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// pub fn doc<R>(&self, range: R) -> RopeSlice
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// where
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// R: std::ops::RangeBounds<usize>,
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@ -66,7 +66,7 @@ pub fn highlight_config(
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use once_cell::sync::Lazy;
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pub(crate) static LOADER: Lazy<Loader> = Lazy::new(Loader::init);
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pub static LOADER: Lazy<Loader> = Lazy::new(Loader::init);
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pub struct Loader {
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// highlight_names ?
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@ -351,22 +351,6 @@ pub struct Transaction {
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// scroll_into_view
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}
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/// Like std::mem::replace() except it allows the replacement value to be mapped from the
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/// original value.
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pub fn take_with<T, F>(mut_ref: &mut T, closure: F)
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where
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F: FnOnce(T) -> T,
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{
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use std::{panic, ptr};
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unsafe {
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let old_t = ptr::read(mut_ref);
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let new_t = panic::catch_unwind(panic::AssertUnwindSafe(|| closure(old_t)))
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.unwrap_or_else(|_| ::std::process::abort());
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ptr::write(mut_ref, new_t);
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}
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}
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impl Transaction {
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/// Create a new, empty transaction.
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pub fn new(state: &mut State) -> Self {
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@ -376,29 +360,21 @@ pub fn new(state: &mut State) -> Self {
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}
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}
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pub fn changes(&self) -> &ChangeSet {
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&self.changes
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}
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/// Returns true if applied successfully.
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pub fn apply(&self, state: &mut State) -> bool {
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if !self.changes.is_empty() {
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// TODO: also avoid mapping the selection if not necessary
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let old_doc = state.doc().clone();
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// apply changes to the document
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if !self.changes.apply(&mut state.doc) {
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return false;
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}
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// Compose this transaction with the previous one
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take_with(&mut state.changes, |changes| {
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changes.compose(self.changes.clone()).unwrap()
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});
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if let Some(syntax) = &mut state.syntax {
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// TODO: no unwrap
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syntax.update(&old_doc, &state.doc, &self.changes).unwrap();
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}
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}
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// TODO: also avoid mapping the selection if not necessary
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// update the selection: either take the selection specified in the transaction, or map the
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// current selection through changes.
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state.selection = self
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@ -8,6 +8,7 @@ edition = "2018"
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[dependencies]
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helix-core = { path = "../helix-core" }
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helix-view = { path = "../helix-view" }
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lsp-types = { version = "0.82", features = ["proposed"] }
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smol = "1.2"
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@ -6,6 +6,7 @@
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type Result<T> = core::result::Result<T, Error>;
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use helix_core::{State, Transaction};
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use helix_view::Document;
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// use std::collections::HashMap;
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@ -190,13 +191,13 @@ pub async fn exit(&mut self) -> Result<()> {
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// Text document
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// -------------------------------------------------------------------------------------------
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pub async fn text_document_did_open(&mut self, state: &State) -> Result<()> {
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pub async fn text_document_did_open(&mut self, doc: &Document) -> Result<()> {
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self.notify::<lsp::notification::DidOpenTextDocument>(lsp::DidOpenTextDocumentParams {
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text_document: lsp::TextDocumentItem {
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uri: lsp::Url::from_file_path(state.path().unwrap()).unwrap(),
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uri: lsp::Url::from_file_path(doc.path().unwrap()).unwrap(),
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language_id: "rust".to_string(), // TODO: hardcoded for now
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version: state.version,
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text: String::from(&state.doc),
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version: doc.version,
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text: String::from(doc.text()),
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},
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})
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.await
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@ -205,13 +206,13 @@ pub async fn text_document_did_open(&mut self, state: &State) -> Result<()> {
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// TODO: trigger any time history.commit_revision happens
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pub async fn text_document_did_change(
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&mut self,
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state: &State,
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doc: &Document,
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transaction: &Transaction,
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) -> Result<()> {
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self.notify::<lsp::notification::DidChangeTextDocument>(lsp::DidChangeTextDocumentParams {
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text_document: lsp::VersionedTextDocumentIdentifier::new(
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lsp::Url::from_file_path(state.path().unwrap()).unwrap(),
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state.version,
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lsp::Url::from_file_path(doc.path().unwrap()).unwrap(),
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doc.version,
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),
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content_changes: vec![lsp::TextDocumentContentChangeEvent {
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// range = None -> whole document
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@ -223,12 +224,12 @@ pub async fn text_document_did_change(
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.await
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}
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// TODO: impl into() TextDocumentIdentifier / VersionedTextDocumentIdentifier for State.
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// TODO: impl into() TextDocumentIdentifier / VersionedTextDocumentIdentifier for Document.
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pub async fn text_document_did_close(&mut self, state: &State) -> Result<()> {
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pub async fn text_document_did_close(&mut self, doc: &Document) -> Result<()> {
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self.notify::<lsp::notification::DidCloseTextDocument>(lsp::DidCloseTextDocumentParams {
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text_document: lsp::TextDocumentIdentifier::new(
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lsp::Url::from_file_path(state.path().unwrap()).unwrap(),
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lsp::Url::from_file_path(doc.path().unwrap()).unwrap(),
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),
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})
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.await
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@ -1,10 +1,11 @@
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use clap::ArgMatches as Args;
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use helix_core::{indent::TAB_WIDTH, state::Mode, syntax::HighlightEvent, Position, Range, State};
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use helix_core::{indent::TAB_WIDTH, syntax::HighlightEvent, Position, Range, State};
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use helix_view::{
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commands,
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document::Mode,
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keymap::{self, Keymaps},
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prompt::Prompt,
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Editor, Theme, View,
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Document, Editor, Theme, View,
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};
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use std::{
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@ -95,15 +96,15 @@ pub fn render_buffer(&mut self, view: &mut View, viewport: Rect, theme: &Theme)
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self.surface.set_style(area, theme.get("ui.background"));
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// TODO: inefficient, should feed chunks.iter() to tree_sitter.parse_with(|offset, pos|)
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let source_code = view.state.doc().to_string();
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let source_code = view.doc.text().to_string();
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let last_line = view.last_line();
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let range = {
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// calculate viewport byte ranges
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let start = view.state.doc().line_to_byte(view.first_line);
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let end = view.state.doc().line_to_byte(last_line)
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+ view.state.doc().line(last_line).len_bytes();
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let start = view.doc.text().line_to_byte(view.first_line);
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let end = view.doc.text().line_to_byte(last_line)
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+ view.doc.text().line(last_line).len_bytes();
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start..end
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};
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@ -111,7 +112,7 @@ pub fn render_buffer(&mut self, view: &mut View, viewport: Rect, theme: &Theme)
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// TODO: range doesn't actually restrict source, just highlight range
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// TODO: cache highlight results
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// TODO: only recalculate when state.doc is actually modified
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let highlights: Vec<_> = match view.state.syntax.as_mut() {
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let highlights: Vec<_> = match view.doc.syntax.as_mut() {
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Some(syntax) => {
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syntax
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.highlight_iter(source_code.as_bytes(), Some(range), None, |_| None)
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@ -127,6 +128,7 @@ pub fn render_buffer(&mut self, view: &mut View, viewport: Rect, theme: &Theme)
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let mut visual_x = 0;
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let mut line = 0u16;
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let visible_selections: Vec<Range> = view
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.doc
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.state
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.selection()
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.ranges()
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@ -147,10 +149,10 @@ pub fn render_buffer(&mut self, view: &mut View, viewport: Rect, theme: &Theme)
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HighlightEvent::Source { start, end } => {
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// TODO: filter out spans out of viewport for now..
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let start = view.state.doc().byte_to_char(start);
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let end = view.state.doc().byte_to_char(end); // <-- index 744, len 743
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let start = view.doc.text().byte_to_char(start);
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let end = view.doc.text().byte_to_char(end); // <-- index 744, len 743
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let text = view.state.doc().slice(start..end);
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let text = view.doc.text().slice(start..end);
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use helix_core::graphemes::{grapheme_width, RopeGraphemes};
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@ -207,7 +209,7 @@ pub fn render_buffer(&mut self, view: &mut View, viewport: Rect, theme: &Theme)
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// ugh, improve with a traverse method
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// or interleave highlight spans with selection and diagnostic spans
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let style = if view.state.diagnostics.iter().any(|diagnostic| {
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let style = if view.doc.diagnostics.iter().any(|diagnostic| {
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diagnostic.range.0 <= char_index && diagnostic.range.1 > char_index
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}) {
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style.clone().add_modifier(Modifier::UNDERLINED)
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@ -233,7 +235,7 @@ pub fn render_buffer(&mut self, view: &mut View, viewport: Rect, theme: &Theme)
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let warning: Style = theme.get("warning");
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let last_line = view.last_line();
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for (i, line) in (view.first_line..last_line).enumerate() {
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if view.state.diagnostics.iter().any(|d| d.line == line) {
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if view.doc.diagnostics.iter().any(|d| d.line == line) {
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self.surface.set_stringn(0, i as u16, "●", 1, warning);
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}
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@ -243,7 +245,7 @@ pub fn render_buffer(&mut self, view: &mut View, viewport: Rect, theme: &Theme)
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}
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pub fn render_statusline(&mut self, view: &View, theme: &Theme) {
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let mode = match view.state.mode() {
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let mode = match view.doc.mode() {
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Mode::Insert => "INS",
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Mode::Normal => "NOR",
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Mode::Goto => "GOTO",
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@ -259,7 +261,7 @@ pub fn render_statusline(&mut self, view: &View, theme: &Theme) {
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self.surface.set_string(
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self.size.0 - 10,
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self.size.1 - 2,
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format!("{}", view.state.diagnostics.len()),
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format!("{}", view.doc.diagnostics.len()),
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self.text_color,
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);
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}
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@ -329,14 +331,14 @@ pub fn draw(&mut self) {
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pub fn render_cursor(&mut self, view: &View, prompt: Option<&Prompt>, viewport: Rect) {
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let mut stdout = stdout();
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match view.state.mode() {
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match view.doc.mode() {
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Mode::Insert => write!(stdout, "\x1B[6 q"),
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mode => write!(stdout, "\x1B[2 q"),
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};
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let pos = if let Some(prompt) = prompt {
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Position::new(self.size.0 as usize, 2 + prompt.cursor)
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} else {
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if let Some(path) = view.state.path() {
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if let Some(path) = view.doc.path() {
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self.surface.set_string(
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6,
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self.size.1 - 1,
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@ -345,10 +347,10 @@ pub fn render_cursor(&mut self, view: &View, prompt: Option<&Prompt>, viewport:
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);
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}
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let cursor = view.state.selection().cursor();
|
||||
let cursor = view.doc.state.selection().cursor();
|
||||
|
||||
let mut pos = view
|
||||
.screen_coords_at_pos(&view.state.doc().slice(..), cursor)
|
||||
.screen_coords_at_pos(&view.doc.text().slice(..), cursor)
|
||||
.expect("Cursor is out of bounds.");
|
||||
pos.col += viewport.x as usize;
|
||||
pos.row += viewport.y as usize;
|
||||
@ -416,7 +418,7 @@ pub async fn event_loop(&mut self) {
|
||||
let res = self.lsp.initialize().await;
|
||||
let res = self
|
||||
.lsp
|
||||
.text_document_did_open(&self.editor.view().unwrap().state)
|
||||
.text_document_did_open(&self.editor.view().unwrap().doc)
|
||||
.await;
|
||||
|
||||
self.render();
|
||||
@ -469,7 +471,7 @@ pub async fn handle_terminal_events(
|
||||
let keys = vec![event];
|
||||
// TODO: sequences (`gg`)
|
||||
// TODO: handle count other than 1
|
||||
match view.state.mode() {
|
||||
match view.doc.mode() {
|
||||
Mode::Insert => {
|
||||
if let Some(command) = self.keymap[&Mode::Insert].get(&keys) {
|
||||
command(view, 1);
|
||||
@ -573,10 +575,10 @@ pub async fn handle_lsp_notification(&mut self, notification: Option<helix_lsp::
|
||||
.editor
|
||||
.views
|
||||
.iter_mut()
|
||||
.find(|view| view.state.path == path);
|
||||
.find(|view| view.doc.path == path);
|
||||
|
||||
if let Some(view) = view {
|
||||
let doc = view.state.doc().slice(..);
|
||||
let doc = view.doc.text().slice(..);
|
||||
let diagnostics = params
|
||||
.diagnostics
|
||||
.into_iter()
|
||||
@ -596,7 +598,7 @@ pub async fn handle_lsp_notification(&mut self, notification: Option<helix_lsp::
|
||||
})
|
||||
.collect();
|
||||
|
||||
view.state.diagnostics = diagnostics;
|
||||
view.doc.diagnostics = diagnostics;
|
||||
|
||||
self.render();
|
||||
}
|
||||
|
@ -19,3 +19,4 @@ helix-core = { path = "../helix-core" }
|
||||
tui = { git = "https://github.com/fdehau/tui-rs", default-features = false, features = ["crossterm"], optional = true}
|
||||
crossterm = { version = "0.18", features = ["event-stream"], optional = true}
|
||||
once_cell = "1.4"
|
||||
url = "2"
|
||||
|
@ -3,12 +3,13 @@
|
||||
indent::TAB_WIDTH,
|
||||
regex::Regex,
|
||||
register, selection,
|
||||
state::{Direction, Granularity, Mode, State},
|
||||
state::{Direction, Granularity, State},
|
||||
ChangeSet, Range, Selection, Tendril, Transaction,
|
||||
};
|
||||
use once_cell::sync::Lazy;
|
||||
|
||||
use crate::{
|
||||
document::Mode,
|
||||
prompt::Prompt,
|
||||
view::{View, PADDING},
|
||||
};
|
||||
@ -19,36 +20,40 @@
|
||||
|
||||
pub fn move_char_left(view: &mut View, count: usize) {
|
||||
// TODO: use a transaction
|
||||
let selection = view
|
||||
.state
|
||||
.move_selection(Direction::Backward, Granularity::Character, count);
|
||||
view.state.selection = selection;
|
||||
let selection =
|
||||
view.doc
|
||||
.state
|
||||
.move_selection(Direction::Backward, Granularity::Character, count);
|
||||
view.doc.state.selection = selection;
|
||||
}
|
||||
|
||||
pub fn move_char_right(view: &mut View, count: usize) {
|
||||
// TODO: use a transaction
|
||||
view.state.selection =
|
||||
view.state
|
||||
view.doc.state.selection =
|
||||
view.doc
|
||||
.state
|
||||
.move_selection(Direction::Forward, Granularity::Character, count);
|
||||
}
|
||||
|
||||
pub fn move_line_up(view: &mut View, count: usize) {
|
||||
// TODO: use a transaction
|
||||
view.state.selection = view
|
||||
.state
|
||||
.move_selection(Direction::Backward, Granularity::Line, count);
|
||||
view.doc.state.selection =
|
||||
view.doc
|
||||
.state
|
||||
.move_selection(Direction::Backward, Granularity::Line, count);
|
||||
}
|
||||
|
||||
pub fn move_line_down(view: &mut View, count: usize) {
|
||||
// TODO: use a transaction
|
||||
view.state.selection = view
|
||||
.state
|
||||
.move_selection(Direction::Forward, Granularity::Line, count);
|
||||
view.doc.state.selection =
|
||||
view.doc
|
||||
.state
|
||||
.move_selection(Direction::Forward, Granularity::Line, count);
|
||||
}
|
||||
|
||||
pub fn move_line_end(view: &mut View, _count: usize) {
|
||||
// TODO: use a transaction
|
||||
let lines = selection_lines(&view.state);
|
||||
let lines = selection_lines(&view.doc.state);
|
||||
|
||||
let positions = lines
|
||||
.into_iter()
|
||||
@ -57,89 +62,89 @@ pub fn move_line_end(view: &mut View, _count: usize) {
|
||||
|
||||
// Line end is pos at the start of next line - 1
|
||||
// subtract another 1 because the line ends with \n
|
||||
view.state.doc.line_to_char(index + 1).saturating_sub(2)
|
||||
view.doc.text().line_to_char(index + 1).saturating_sub(2)
|
||||
})
|
||||
.map(|pos| Range::new(pos, pos));
|
||||
|
||||
let selection = Selection::new(positions.collect(), 0);
|
||||
|
||||
let transaction = Transaction::new(&mut view.state).with_selection(selection);
|
||||
let transaction = Transaction::new(&mut view.doc.state).with_selection(selection);
|
||||
|
||||
transaction.apply(&mut view.state);
|
||||
view.doc.apply(&transaction);
|
||||
}
|
||||
|
||||
pub fn move_line_start(view: &mut View, _count: usize) {
|
||||
let lines = selection_lines(&view.state);
|
||||
let lines = selection_lines(&view.doc.state);
|
||||
|
||||
let positions = lines
|
||||
.into_iter()
|
||||
.map(|index| {
|
||||
// adjust all positions to the start of the line.
|
||||
view.state.doc.line_to_char(index)
|
||||
view.doc.text().line_to_char(index)
|
||||
})
|
||||
.map(|pos| Range::new(pos, pos));
|
||||
|
||||
let selection = Selection::new(positions.collect(), 0);
|
||||
|
||||
let transaction = Transaction::new(&mut view.state).with_selection(selection);
|
||||
let transaction = Transaction::new(&mut view.doc.state).with_selection(selection);
|
||||
|
||||
transaction.apply(&mut view.state);
|
||||
view.doc.apply(&transaction);
|
||||
}
|
||||
|
||||
pub fn move_next_word_start(view: &mut View, count: usize) {
|
||||
let pos = view.state.move_pos(
|
||||
view.state.selection.cursor(),
|
||||
let pos = view.doc.state.move_pos(
|
||||
view.doc.state.selection.cursor(),
|
||||
Direction::Forward,
|
||||
Granularity::Word,
|
||||
count,
|
||||
);
|
||||
|
||||
// TODO: use a transaction
|
||||
view.state.selection = Selection::single(pos, pos);
|
||||
view.doc.state.selection = Selection::single(pos, pos);
|
||||
}
|
||||
|
||||
pub fn move_prev_word_start(view: &mut View, count: usize) {
|
||||
let pos = view.state.move_pos(
|
||||
view.state.selection.cursor(),
|
||||
let pos = view.doc.state.move_pos(
|
||||
view.doc.state.selection.cursor(),
|
||||
Direction::Backward,
|
||||
Granularity::Word,
|
||||
count,
|
||||
);
|
||||
|
||||
// TODO: use a transaction
|
||||
view.state.selection = Selection::single(pos, pos);
|
||||
view.doc.state.selection = Selection::single(pos, pos);
|
||||
}
|
||||
|
||||
pub fn move_next_word_end(view: &mut View, count: usize) {
|
||||
let pos = State::move_next_word_end(
|
||||
&view.state.doc().slice(..),
|
||||
view.state.selection.cursor(),
|
||||
&view.doc.text().slice(..),
|
||||
view.doc.state.selection.cursor(),
|
||||
count,
|
||||
);
|
||||
|
||||
// TODO: use a transaction
|
||||
view.state.selection = Selection::single(pos, pos);
|
||||
view.doc.state.selection = Selection::single(pos, pos);
|
||||
}
|
||||
|
||||
pub fn move_file_start(view: &mut View, _count: usize) {
|
||||
// TODO: use a transaction
|
||||
view.state.selection = Selection::single(0, 0);
|
||||
view.doc.state.selection = Selection::single(0, 0);
|
||||
|
||||
view.state.mode = Mode::Normal;
|
||||
view.doc.mode = Mode::Normal;
|
||||
}
|
||||
|
||||
pub fn move_file_end(view: &mut View, _count: usize) {
|
||||
// TODO: use a transaction
|
||||
let text = &view.state.doc;
|
||||
let text = &view.doc.text();
|
||||
let last_line = text.line_to_char(text.len_lines().saturating_sub(2));
|
||||
view.state.selection = Selection::single(last_line, last_line);
|
||||
view.doc.state.selection = Selection::single(last_line, last_line);
|
||||
|
||||
view.state.mode = Mode::Normal;
|
||||
view.doc.mode = Mode::Normal;
|
||||
}
|
||||
|
||||
pub fn check_cursor_in_view(view: &mut View) -> bool {
|
||||
let cursor = view.state.selection().cursor();
|
||||
let line = view.state.doc().char_to_line(cursor);
|
||||
let cursor = view.doc.state.selection().cursor();
|
||||
let line = view.doc.text().char_to_line(cursor);
|
||||
let document_end = view.first_line + view.size.1.saturating_sub(1) as usize;
|
||||
|
||||
if (line > document_end.saturating_sub(PADDING)) | (line < view.first_line + PADDING) {
|
||||
@ -156,19 +161,19 @@ pub fn page_up(view: &mut View, _count: usize) {
|
||||
view.first_line = view.first_line.saturating_sub(view.size.1 as usize);
|
||||
|
||||
if !check_cursor_in_view(view) {
|
||||
let text = view.state.doc();
|
||||
let text = view.doc.text();
|
||||
let pos = text.line_to_char(view.last_line().saturating_sub(PADDING));
|
||||
view.state.selection = Selection::single(pos, pos);
|
||||
view.doc.state.selection = Selection::single(pos, pos);
|
||||
}
|
||||
}
|
||||
|
||||
pub fn page_down(view: &mut View, _count: usize) {
|
||||
view.first_line += view.size.1 as usize + PADDING;
|
||||
|
||||
if view.first_line < view.state.doc().len_lines() {
|
||||
let text = view.state.doc();
|
||||
if view.first_line < view.doc.text().len_lines() {
|
||||
let text = view.doc.text();
|
||||
let pos = text.line_to_char(view.first_line as usize);
|
||||
view.state.selection = Selection::single(pos, pos);
|
||||
view.doc.state.selection = Selection::single(pos, pos);
|
||||
}
|
||||
}
|
||||
|
||||
@ -180,79 +185,84 @@ pub fn half_page_up(view: &mut View, _count: usize) {
|
||||
view.first_line = view.first_line.saturating_sub(view.size.1 as usize / 2);
|
||||
|
||||
if !check_cursor_in_view(view) {
|
||||
let text = &view.state.doc;
|
||||
let text = &view.doc.text();
|
||||
let pos = text.line_to_char(view.last_line() - PADDING);
|
||||
view.state.selection = Selection::single(pos, pos);
|
||||
view.doc.state.selection = Selection::single(pos, pos);
|
||||
}
|
||||
}
|
||||
|
||||
pub fn half_page_down(view: &mut View, _count: usize) {
|
||||
let lines = view.state.doc().len_lines();
|
||||
let lines = view.doc.text().len_lines();
|
||||
if view.first_line < lines.saturating_sub(view.size.1 as usize) {
|
||||
view.first_line += view.size.1 as usize / 2;
|
||||
}
|
||||
if !check_cursor_in_view(view) {
|
||||
let text = view.state.doc();
|
||||
let text = view.doc.text();
|
||||
let pos = text.line_to_char(view.first_line as usize);
|
||||
view.state.selection = Selection::single(pos, pos);
|
||||
view.doc.state.selection = Selection::single(pos, pos);
|
||||
}
|
||||
}
|
||||
// avoid select by default by having a visual mode switch that makes movements into selects
|
||||
|
||||
pub fn extend_char_left(view: &mut View, count: usize) {
|
||||
// TODO: use a transaction
|
||||
let selection = view
|
||||
.state
|
||||
.extend_selection(Direction::Backward, Granularity::Character, count);
|
||||
view.state.selection = selection;
|
||||
let selection =
|
||||
view.doc
|
||||
.state
|
||||
.extend_selection(Direction::Backward, Granularity::Character, count);
|
||||
view.doc.state.selection = selection;
|
||||
}
|
||||
|
||||
pub fn extend_char_right(view: &mut View, count: usize) {
|
||||
// TODO: use a transaction
|
||||
view.state.selection =
|
||||
view.state
|
||||
view.doc.state.selection =
|
||||
view.doc
|
||||
.state
|
||||
.extend_selection(Direction::Forward, Granularity::Character, count);
|
||||
}
|
||||
|
||||
pub fn extend_line_up(view: &mut View, count: usize) {
|
||||
// TODO: use a transaction
|
||||
view.state.selection =
|
||||
view.state
|
||||
view.doc.state.selection =
|
||||
view.doc
|
||||
.state
|
||||
.extend_selection(Direction::Backward, Granularity::Line, count);
|
||||
}
|
||||
|
||||
pub fn extend_line_down(view: &mut View, count: usize) {
|
||||
// TODO: use a transaction
|
||||
view.state.selection =
|
||||
view.state
|
||||
view.doc.state.selection =
|
||||
view.doc
|
||||
.state
|
||||
.extend_selection(Direction::Forward, Granularity::Line, count);
|
||||
}
|
||||
|
||||
pub fn split_selection_on_newline(view: &mut View, _count: usize) {
|
||||
let text = &view.state.doc.slice(..);
|
||||
let text = &view.doc.text().slice(..);
|
||||
// only compile the regex once
|
||||
#[allow(clippy::trivial_regex)]
|
||||
static REGEX: Lazy<Regex> = Lazy::new(|| Regex::new(r"\n").unwrap());
|
||||
// TODO: use a transaction
|
||||
view.state.selection = selection::split_on_matches(text, view.state.selection(), ®EX)
|
||||
view.doc.state.selection = selection::split_on_matches(text, view.doc.state.selection(), ®EX)
|
||||
}
|
||||
|
||||
pub fn select_line(view: &mut View, _count: usize) {
|
||||
// TODO: count
|
||||
let pos = view.state.selection().primary();
|
||||
let text = view.state.doc();
|
||||
let pos = view.doc.state.selection().primary();
|
||||
let text = view.doc.text();
|
||||
let line = text.char_to_line(pos.head);
|
||||
let start = text.line_to_char(line);
|
||||
let end = text.line_to_char(line + 1).saturating_sub(1);
|
||||
|
||||
// TODO: use a transaction
|
||||
view.state.selection = Selection::single(start, end);
|
||||
view.doc.state.selection = Selection::single(start, end);
|
||||
}
|
||||
|
||||
pub fn delete_selection(view: &mut View, _count: usize) {
|
||||
let transaction =
|
||||
Transaction::change_by_selection(&view.state, |range| (range.from(), range.to() + 1, None));
|
||||
transaction.apply(&mut view.state);
|
||||
let transaction = Transaction::change_by_selection(&view.doc.state, |range| {
|
||||
(range.from(), range.to() + 1, None)
|
||||
});
|
||||
view.doc.apply(&transaction);
|
||||
|
||||
append_changes_to_history(view);
|
||||
}
|
||||
@ -263,21 +273,23 @@ pub fn change_selection(view: &mut View, count: usize) {
|
||||
}
|
||||
|
||||
pub fn collapse_selection(view: &mut View, _count: usize) {
|
||||
view.state.selection = view
|
||||
view.doc.state.selection = view
|
||||
.doc
|
||||
.state
|
||||
.selection
|
||||
.transform(|range| Range::new(range.head, range.head))
|
||||
}
|
||||
|
||||
pub fn flip_selections(view: &mut View, _count: usize) {
|
||||
view.state.selection = view
|
||||
view.doc.state.selection = view
|
||||
.doc
|
||||
.state
|
||||
.selection
|
||||
.transform(|range| Range::new(range.head, range.anchor))
|
||||
}
|
||||
|
||||
fn enter_insert_mode(view: &mut View) {
|
||||
view.state.mode = Mode::Insert;
|
||||
view.doc.mode = Mode::Insert;
|
||||
|
||||
append_changes_to_history(view);
|
||||
}
|
||||
@ -285,7 +297,8 @@ fn enter_insert_mode(view: &mut View) {
|
||||
pub fn insert_mode(view: &mut View, _count: usize) {
|
||||
enter_insert_mode(view);
|
||||
|
||||
view.state.selection = view
|
||||
view.doc.state.selection = view
|
||||
.doc
|
||||
.state
|
||||
.selection
|
||||
.transform(|range| Range::new(range.to(), range.from()))
|
||||
@ -294,11 +307,11 @@ pub fn insert_mode(view: &mut View, _count: usize) {
|
||||
// inserts at the end of each selection
|
||||
pub fn append_mode(view: &mut View, _count: usize) {
|
||||
enter_insert_mode(view);
|
||||
view.state.restore_cursor = true;
|
||||
view.doc.restore_cursor = true;
|
||||
|
||||
// TODO: as transaction
|
||||
let text = &view.state.doc.slice(..);
|
||||
view.state.selection = view.state.selection.transform(|range| {
|
||||
let text = &view.doc.text().slice(..);
|
||||
view.doc.state.selection = view.doc.state.selection.transform(|range| {
|
||||
// TODO: to() + next char
|
||||
Range::new(
|
||||
range.from(),
|
||||
@ -346,13 +359,13 @@ pub fn append_to_line(view: &mut View, count: usize) {
|
||||
pub fn open_below(view: &mut View, _count: usize) {
|
||||
enter_insert_mode(view);
|
||||
|
||||
let lines = selection_lines(&view.state);
|
||||
let lines = selection_lines(&view.doc.state);
|
||||
|
||||
let positions: Vec<_> = lines
|
||||
.into_iter()
|
||||
.map(|index| {
|
||||
// adjust all positions to the end of the line/start of the next one.
|
||||
view.state.doc.line_to_char(index + 1)
|
||||
view.doc.text().line_to_char(index + 1)
|
||||
})
|
||||
.collect();
|
||||
|
||||
@ -373,63 +386,63 @@ pub fn open_below(view: &mut View, _count: usize) {
|
||||
0,
|
||||
);
|
||||
|
||||
let transaction = Transaction::change(&view.state, changes).with_selection(selection);
|
||||
let transaction = Transaction::change(&view.doc.state, changes).with_selection(selection);
|
||||
|
||||
transaction.apply(&mut view.state);
|
||||
view.doc.apply(&transaction);
|
||||
}
|
||||
|
||||
// O inserts a new line before each line with a selection
|
||||
|
||||
fn append_changes_to_history(view: &mut View) {
|
||||
if view.state.changes.is_empty() {
|
||||
if view.doc.changes.is_empty() {
|
||||
return;
|
||||
}
|
||||
|
||||
let new_changeset = ChangeSet::new(view.state.doc());
|
||||
let changes = std::mem::replace(&mut view.state.changes, new_changeset);
|
||||
let new_changeset = ChangeSet::new(view.doc.text());
|
||||
let changes = std::mem::replace(&mut view.doc.changes, new_changeset);
|
||||
// Instead of doing this messy merge we could always commit, and based on transaction
|
||||
// annotations either add a new layer or compose into the previous one.
|
||||
let transaction = Transaction::from(changes).with_selection(view.state.selection().clone());
|
||||
let transaction = Transaction::from(changes).with_selection(view.doc.state.selection().clone());
|
||||
|
||||
// increment document version
|
||||
// TODO: needs to happen on undo/redo too
|
||||
view.state.version += 1;
|
||||
view.doc.version += 1;
|
||||
|
||||
// TODO: trigger lsp/documentDidChange with changes
|
||||
|
||||
// HAXX: we need to reconstruct the state as it was before the changes..
|
||||
let (doc, selection) = view.state.old_state.take().unwrap();
|
||||
let (doc, selection) = view.doc.old_state.take().unwrap();
|
||||
let mut old_state = State::new(doc);
|
||||
old_state.selection = selection;
|
||||
|
||||
// TODO: take transaction by value?
|
||||
view.history.commit_revision(&transaction, &old_state);
|
||||
view.doc.history.commit_revision(&transaction, &old_state);
|
||||
|
||||
// HAXX
|
||||
view.state.old_state = Some((view.state.doc().clone(), view.state.selection.clone()));
|
||||
view.doc.old_state = Some((view.doc.text().clone(), view.doc.state.selection.clone()));
|
||||
}
|
||||
|
||||
pub fn normal_mode(view: &mut View, _count: usize) {
|
||||
view.state.mode = Mode::Normal;
|
||||
view.doc.mode = Mode::Normal;
|
||||
|
||||
append_changes_to_history(view);
|
||||
|
||||
// if leaving append mode, move cursor back by 1
|
||||
if view.state.restore_cursor {
|
||||
let text = &view.state.doc.slice(..);
|
||||
view.state.selection = view.state.selection.transform(|range| {
|
||||
if view.doc.restore_cursor {
|
||||
let text = &view.doc.text().slice(..);
|
||||
view.doc.state.selection = view.doc.state.selection.transform(|range| {
|
||||
Range::new(
|
||||
range.from(),
|
||||
graphemes::prev_grapheme_boundary(text, range.to()),
|
||||
)
|
||||
});
|
||||
|
||||
view.state.restore_cursor = false;
|
||||
view.doc.restore_cursor = false;
|
||||
}
|
||||
}
|
||||
|
||||
pub fn goto_mode(view: &mut View, _count: usize) {
|
||||
view.state.mode = Mode::Goto;
|
||||
view.doc.mode = Mode::Goto;
|
||||
}
|
||||
|
||||
// NOTE: Transactions in this module get appended to history when we switch back to normal mode.
|
||||
@ -438,9 +451,9 @@ pub mod insert {
|
||||
// TODO: insert means add text just before cursor, on exit we should be on the last letter.
|
||||
pub fn insert_char(view: &mut View, c: char) {
|
||||
let c = Tendril::from_char(c);
|
||||
let transaction = Transaction::insert(&view.state, c);
|
||||
let transaction = Transaction::insert(&view.doc.state, c);
|
||||
|
||||
transaction.apply(&mut view.state);
|
||||
view.doc.apply(&transaction);
|
||||
}
|
||||
|
||||
pub fn insert_tab(view: &mut View, _count: usize) {
|
||||
@ -448,41 +461,44 @@ pub fn insert_tab(view: &mut View, _count: usize) {
|
||||
}
|
||||
|
||||
pub fn insert_newline(view: &mut View, _count: usize) {
|
||||
let transaction = Transaction::change_by_selection(&view.state, |range| {
|
||||
let indent_level =
|
||||
helix_core::indent::suggested_indent_for_pos(&view.state, range.head);
|
||||
let transaction = Transaction::change_by_selection(&view.doc.state, |range| {
|
||||
let indent_level = helix_core::indent::suggested_indent_for_pos(
|
||||
view.doc.syntax.as_ref(),
|
||||
&view.doc.state,
|
||||
range.head,
|
||||
);
|
||||
let indent = " ".repeat(TAB_WIDTH).repeat(indent_level);
|
||||
let mut text = String::with_capacity(1 + indent.len());
|
||||
text.push('\n');
|
||||
text.push_str(&indent);
|
||||
(range.head, range.head, Some(text.into()))
|
||||
});
|
||||
transaction.apply(&mut view.state);
|
||||
view.doc.apply(&transaction);
|
||||
}
|
||||
|
||||
// TODO: handle indent-aware delete
|
||||
pub fn delete_char_backward(view: &mut View, count: usize) {
|
||||
let text = &view.state.doc.slice(..);
|
||||
let transaction = Transaction::change_by_selection(&view.state, |range| {
|
||||
let text = &view.doc.text().slice(..);
|
||||
let transaction = Transaction::change_by_selection(&view.doc.state, |range| {
|
||||
(
|
||||
graphemes::nth_prev_grapheme_boundary(text, range.head, count),
|
||||
range.head,
|
||||
None,
|
||||
)
|
||||
});
|
||||
transaction.apply(&mut view.state);
|
||||
view.doc.apply(&transaction);
|
||||
}
|
||||
|
||||
pub fn delete_char_forward(view: &mut View, count: usize) {
|
||||
let text = &view.state.doc.slice(..);
|
||||
let transaction = Transaction::change_by_selection(&view.state, |range| {
|
||||
let text = &view.doc.text().slice(..);
|
||||
let transaction = Transaction::change_by_selection(&view.doc.state, |range| {
|
||||
(
|
||||
range.head,
|
||||
graphemes::nth_next_grapheme_boundary(text, range.head, count),
|
||||
None,
|
||||
)
|
||||
});
|
||||
transaction.apply(&mut view.state);
|
||||
view.doc.apply(&transaction);
|
||||
}
|
||||
}
|
||||
|
||||
@ -493,13 +509,13 @@ pub fn insert_char_prompt(prompt: &mut Prompt, c: char) {
|
||||
// Undo / Redo
|
||||
|
||||
pub fn undo(view: &mut View, _count: usize) {
|
||||
view.history.undo(&mut view.state);
|
||||
view.doc.history.undo(&mut view.doc.state);
|
||||
|
||||
// TODO: each command could simply return a Option<transaction>, then the higher level handles storing it?
|
||||
}
|
||||
|
||||
pub fn redo(view: &mut View, _count: usize) {
|
||||
view.history.redo(&mut view.state);
|
||||
view.doc.history.redo(&mut view.doc.state);
|
||||
}
|
||||
|
||||
// Yank / Paste
|
||||
@ -507,9 +523,10 @@ pub fn redo(view: &mut View, _count: usize) {
|
||||
pub fn yank(view: &mut View, _count: usize) {
|
||||
// TODO: should selections be made end inclusive?
|
||||
let values = view
|
||||
.doc
|
||||
.state
|
||||
.selection()
|
||||
.fragments(&view.state.doc().slice(..))
|
||||
.fragments(&view.doc.text().slice(..))
|
||||
.map(|cow| cow.into_owned())
|
||||
.collect();
|
||||
|
||||
@ -550,18 +567,18 @@ pub fn paste(view: &mut View, _count: usize) {
|
||||
let transaction = if linewise {
|
||||
// paste on the next line
|
||||
// TODO: can simply take a range + modifier and compute the right pos without ifs
|
||||
let text = view.state.doc();
|
||||
Transaction::change_by_selection(&view.state, |range| {
|
||||
let text = view.doc.text();
|
||||
Transaction::change_by_selection(&view.doc.state, |range| {
|
||||
let line_end = text.line_to_char(text.char_to_line(range.head) + 1);
|
||||
(line_end, line_end, Some(values.next().unwrap()))
|
||||
})
|
||||
} else {
|
||||
Transaction::change_by_selection(&view.state, |range| {
|
||||
Transaction::change_by_selection(&view.doc.state, |range| {
|
||||
(range.head + 1, range.head + 1, Some(values.next().unwrap()))
|
||||
})
|
||||
};
|
||||
|
||||
transaction.apply(&mut view.state);
|
||||
view.doc.apply(&transaction);
|
||||
append_changes_to_history(view);
|
||||
}
|
||||
}
|
||||
@ -570,9 +587,9 @@ fn get_lines(view: &View) -> Vec<usize> {
|
||||
let mut lines = Vec::new();
|
||||
|
||||
// Get all line numbers
|
||||
for range in view.state.selection.ranges() {
|
||||
let start = view.state.doc.char_to_line(range.from());
|
||||
let end = view.state.doc.char_to_line(range.to());
|
||||
for range in view.doc.state.selection.ranges() {
|
||||
let start = view.doc.text().char_to_line(range.from());
|
||||
let end = view.doc.text().char_to_line(range.to());
|
||||
|
||||
for line in start..=end {
|
||||
lines.push(line)
|
||||
@ -590,13 +607,13 @@ pub fn indent(view: &mut View, _count: usize) {
|
||||
let indent = Tendril::from(" ".repeat(TAB_WIDTH));
|
||||
|
||||
let transaction = Transaction::change(
|
||||
&view.state,
|
||||
&view.doc.state,
|
||||
lines.into_iter().map(|line| {
|
||||
let pos = view.state.doc.line_to_char(line);
|
||||
let pos = view.doc.text().line_to_char(line);
|
||||
(pos, pos, Some(indent.clone()))
|
||||
}),
|
||||
);
|
||||
transaction.apply(&mut view.state);
|
||||
view.doc.apply(&transaction);
|
||||
append_changes_to_history(view);
|
||||
}
|
||||
|
||||
@ -605,7 +622,7 @@ pub fn unindent(view: &mut View, _count: usize) {
|
||||
let mut changes = Vec::with_capacity(lines.len());
|
||||
|
||||
for line_idx in lines {
|
||||
let line = view.state.doc.line(line_idx);
|
||||
let line = view.doc.text().line(line_idx);
|
||||
let mut width = 0;
|
||||
|
||||
for ch in line.chars() {
|
||||
@ -621,14 +638,14 @@ pub fn unindent(view: &mut View, _count: usize) {
|
||||
}
|
||||
|
||||
if width > 0 {
|
||||
let start = view.state.doc.line_to_char(line_idx);
|
||||
let start = view.doc.text().line_to_char(line_idx);
|
||||
changes.push((start, start + width, None))
|
||||
}
|
||||
}
|
||||
|
||||
let transaction = Transaction::change(&view.state, changes.into_iter());
|
||||
let transaction = Transaction::change(&view.doc.state, changes.into_iter());
|
||||
|
||||
transaction.apply(&mut view.state);
|
||||
view.doc.apply(&transaction);
|
||||
append_changes_to_history(view);
|
||||
}
|
||||
|
||||
|
157
helix-view/src/document.rs
Normal file
157
helix-view/src/document.rs
Normal file
@ -0,0 +1,157 @@
|
||||
use anyhow::Error;
|
||||
use std::path::PathBuf;
|
||||
|
||||
use helix_core::{
|
||||
syntax::LOADER, ChangeSet, Diagnostic, History, Position, Range, Rope, RopeSlice, Selection,
|
||||
State, Syntax, Transaction,
|
||||
};
|
||||
|
||||
#[derive(Copy, Clone, PartialEq, Eq, Hash)]
|
||||
pub enum Mode {
|
||||
Normal,
|
||||
Insert,
|
||||
Goto,
|
||||
}
|
||||
|
||||
pub struct Document {
|
||||
pub state: State, // rope + selection
|
||||
/// File path on disk.
|
||||
pub path: Option<PathBuf>,
|
||||
|
||||
/// Current editing mode.
|
||||
pub mode: Mode,
|
||||
pub restore_cursor: bool,
|
||||
|
||||
/// Tree-sitter AST tree
|
||||
pub syntax: Option<Syntax>,
|
||||
|
||||
/// Pending changes since last history commit.
|
||||
pub changes: ChangeSet,
|
||||
pub history: History,
|
||||
pub version: i64, // should be usize?
|
||||
pub old_state: Option<(Rope, Selection)>,
|
||||
|
||||
pub diagnostics: Vec<Diagnostic>,
|
||||
}
|
||||
|
||||
/// Like std::mem::replace() except it allows the replacement value to be mapped from the
|
||||
/// original value.
|
||||
fn take_with<T, F>(mut_ref: &mut T, closure: F)
|
||||
where
|
||||
F: FnOnce(T) -> T,
|
||||
{
|
||||
use std::{panic, ptr};
|
||||
|
||||
unsafe {
|
||||
let old_t = ptr::read(mut_ref);
|
||||
let new_t = panic::catch_unwind(panic::AssertUnwindSafe(|| closure(old_t)))
|
||||
.unwrap_or_else(|_| ::std::process::abort());
|
||||
ptr::write(mut_ref, new_t);
|
||||
}
|
||||
}
|
||||
|
||||
use url::Url;
|
||||
|
||||
impl Document {
|
||||
fn new(state: State) -> Self {
|
||||
let changes = ChangeSet::new(&state.doc);
|
||||
let old_state = Some((state.doc.clone(), Selection::single(0, 0)));
|
||||
|
||||
Self {
|
||||
path: None,
|
||||
state,
|
||||
mode: Mode::Normal,
|
||||
restore_cursor: false,
|
||||
syntax: None,
|
||||
changes,
|
||||
old_state,
|
||||
diagnostics: Vec::new(),
|
||||
version: 0,
|
||||
history: History::default(),
|
||||
}
|
||||
}
|
||||
|
||||
// TODO: passing scopes here is awkward
|
||||
pub fn load(path: PathBuf, scopes: &[String]) -> Result<Self, Error> {
|
||||
use std::{env, fs::File, io::BufReader};
|
||||
let _current_dir = env::current_dir()?;
|
||||
|
||||
let doc = Rope::from_reader(BufReader::new(File::open(path.clone())?))?;
|
||||
|
||||
// TODO: create if not found
|
||||
|
||||
let mut doc = Self::new(State::new(doc));
|
||||
|
||||
if let Some(language_config) = LOADER.language_config_for_file_name(path.as_path()) {
|
||||
let highlight_config = language_config.highlight_config(scopes).unwrap().unwrap();
|
||||
// TODO: config.configure(scopes) is now delayed, is that ok?
|
||||
|
||||
let syntax = Syntax::new(&doc.state.doc, highlight_config.clone());
|
||||
|
||||
doc.syntax = Some(syntax);
|
||||
};
|
||||
|
||||
// canonicalize path to absolute value
|
||||
doc.path = Some(std::fs::canonicalize(path)?);
|
||||
|
||||
Ok(doc)
|
||||
}
|
||||
|
||||
pub fn set_language(&mut self, scope: &str, scopes: &[String]) {
|
||||
if let Some(language_config) = LOADER.language_config_for_scope(scope) {
|
||||
let highlight_config = language_config.highlight_config(scopes).unwrap().unwrap();
|
||||
// TODO: config.configure(scopes) is now delayed, is that ok?
|
||||
|
||||
let syntax = Syntax::new(&self.state.doc, highlight_config.clone());
|
||||
|
||||
self.syntax = Some(syntax);
|
||||
};
|
||||
}
|
||||
|
||||
// TODO: needs to run on undo/redo
|
||||
pub fn apply(&mut self, transaction: &Transaction) -> bool {
|
||||
let old_doc = self.text().clone();
|
||||
|
||||
let success = transaction.apply(&mut self.state);
|
||||
|
||||
if !transaction.changes().is_empty() {
|
||||
// Compose this transaction with the previous one
|
||||
take_with(&mut self.changes, |changes| {
|
||||
changes.compose(transaction.changes().clone()).unwrap()
|
||||
});
|
||||
|
||||
// update tree-sitter syntax tree
|
||||
if let Some(syntax) = &mut self.syntax {
|
||||
// TODO: no unwrap
|
||||
syntax
|
||||
.update(&old_doc, &self.state.doc, transaction.changes())
|
||||
.unwrap();
|
||||
}
|
||||
|
||||
// TODO: map state.diagnostics over changes::map_pos too
|
||||
}
|
||||
success
|
||||
}
|
||||
|
||||
#[inline]
|
||||
pub fn mode(&self) -> Mode {
|
||||
self.mode
|
||||
}
|
||||
|
||||
#[inline]
|
||||
pub fn path(&self) -> Option<&PathBuf> {
|
||||
self.path.as_ref()
|
||||
}
|
||||
|
||||
pub fn url(&self) -> Option<Url> {
|
||||
self.path().map(|path| Url::from_file_path(path).unwrap())
|
||||
}
|
||||
|
||||
pub fn text(&self) -> &Rope {
|
||||
&self.state.doc
|
||||
}
|
||||
|
||||
// pub fn slice<R>(&self, range: R) -> RopeSlice where R: RangeBounds {
|
||||
// self.state.doc.slice
|
||||
// }
|
||||
}
|
@ -1,6 +1,5 @@
|
||||
use crate::theme::Theme;
|
||||
use crate::View;
|
||||
use helix_core::State;
|
||||
use crate::{Document, View};
|
||||
|
||||
use std::path::PathBuf;
|
||||
|
||||
@ -27,8 +26,8 @@ pub fn new() -> Self {
|
||||
|
||||
pub fn open(&mut self, path: PathBuf, size: (u16, u16)) -> Result<(), Error> {
|
||||
let pos = self.views.len();
|
||||
let state = State::load(path, self.theme.scopes())?;
|
||||
self.views.push(View::new(state, size)?);
|
||||
let doc = Document::load(path, self.theme.scopes())?;
|
||||
self.views.push(View::new(doc, size)?);
|
||||
self.focus = pos;
|
||||
Ok(())
|
||||
}
|
||||
|
@ -1,4 +1,5 @@
|
||||
use crate::commands::{self, Command};
|
||||
use crate::document::Mode;
|
||||
use helix_core::{hashmap, state};
|
||||
use std::collections::HashMap;
|
||||
|
||||
@ -88,7 +89,7 @@
|
||||
|
||||
// TODO: could be trie based
|
||||
pub type Keymap = HashMap<Vec<Key>, Command>;
|
||||
pub type Keymaps = HashMap<state::Mode, Keymap>;
|
||||
pub type Keymaps = HashMap<Mode, Keymap>;
|
||||
|
||||
macro_rules! key {
|
||||
($ch:expr) => {
|
||||
@ -128,7 +129,7 @@ macro_rules! ctrl {
|
||||
|
||||
pub fn default() -> Keymaps {
|
||||
hashmap!(
|
||||
state::Mode::Normal =>
|
||||
Mode::Normal =>
|
||||
// as long as you cast the first item, rust is able to infer the other cases
|
||||
hashmap!(
|
||||
vec![key!('h')] => commands::move_char_left as Command,
|
||||
@ -179,7 +180,7 @@ pub fn default() -> Keymaps {
|
||||
vec![ctrl!('u')] => commands::half_page_up,
|
||||
vec![ctrl!('d')] => commands::half_page_down,
|
||||
),
|
||||
state::Mode::Insert => hashmap!(
|
||||
Mode::Insert => hashmap!(
|
||||
vec![Key {
|
||||
code: KeyCode::Esc,
|
||||
modifiers: Modifiers::NONE
|
||||
@ -201,7 +202,7 @@ pub fn default() -> Keymaps {
|
||||
modifiers: Modifiers::NONE
|
||||
}] => commands::insert::insert_tab,
|
||||
),
|
||||
state::Mode::Goto => hashmap!(
|
||||
Mode::Goto => hashmap!(
|
||||
vec![Key {
|
||||
code: KeyCode::Esc,
|
||||
modifiers: Modifiers::NONE
|
||||
|
@ -1,10 +1,12 @@
|
||||
pub mod commands;
|
||||
pub mod document;
|
||||
pub mod editor;
|
||||
pub mod keymap;
|
||||
pub mod prompt;
|
||||
pub mod theme;
|
||||
pub mod view;
|
||||
|
||||
pub use document::Document;
|
||||
pub use editor::Editor;
|
||||
pub use theme::Theme;
|
||||
pub use view::View;
|
||||
|
@ -2,10 +2,11 @@
|
||||
|
||||
use std::borrow::Cow;
|
||||
|
||||
use crate::Document;
|
||||
use helix_core::{
|
||||
graphemes::{grapheme_width, RopeGraphemes},
|
||||
indent::TAB_WIDTH,
|
||||
History, Position, RopeSlice, State,
|
||||
Position, RopeSlice,
|
||||
};
|
||||
use tui::layout::Rect;
|
||||
|
||||
@ -14,29 +15,25 @@
|
||||
// TODO: view should be View { doc: Document(state, history,..) }
|
||||
// since we can have multiple views into the same file
|
||||
pub struct View {
|
||||
pub state: State,
|
||||
pub doc: Document,
|
||||
pub first_line: usize,
|
||||
pub size: (u16, u16),
|
||||
|
||||
// TODO: Doc fields
|
||||
pub history: History,
|
||||
}
|
||||
|
||||
impl View {
|
||||
pub fn new(state: State, size: (u16, u16)) -> Result<Self, Error> {
|
||||
pub fn new(doc: Document, size: (u16, u16)) -> Result<Self, Error> {
|
||||
let view = Self {
|
||||
state,
|
||||
doc,
|
||||
first_line: 0,
|
||||
size,
|
||||
history: History::default(),
|
||||
};
|
||||
|
||||
Ok(view)
|
||||
}
|
||||
|
||||
pub fn ensure_cursor_in_view(&mut self) {
|
||||
let cursor = self.state.selection().cursor();
|
||||
let line = self.state.doc().char_to_line(cursor);
|
||||
let cursor = self.doc.state.selection().cursor();
|
||||
let line = self.doc.text().char_to_line(cursor);
|
||||
let document_end = self.first_line + (self.size.1 as usize).saturating_sub(2);
|
||||
|
||||
// TODO: side scroll
|
||||
@ -56,7 +53,7 @@ pub fn last_line(&self) -> usize {
|
||||
let viewport = Rect::new(6, 0, self.size.0, self.size.1 - 2); // - 2 for statusline and prompt
|
||||
std::cmp::min(
|
||||
self.first_line + (viewport.height as usize),
|
||||
self.state.doc().len_lines() - 1,
|
||||
self.doc.text().len_lines() - 1,
|
||||
)
|
||||
}
|
||||
|
||||
@ -88,4 +85,25 @@ pub fn screen_coords_at_pos(&self, text: &RopeSlice, pos: usize) -> Option<Posit
|
||||
|
||||
Some(Position::new(row, col))
|
||||
}
|
||||
|
||||
pub fn traverse<F>(&self, text: &RopeSlice, start: usize, end: usize, fun: F)
|
||||
where
|
||||
F: Fn(usize, usize),
|
||||
{
|
||||
let start = self.screen_coords_at_pos(text, start);
|
||||
let end = self.screen_coords_at_pos(text, end);
|
||||
|
||||
match (start, end) {
|
||||
// fully on screen
|
||||
(Some(start), Some(end)) => {
|
||||
// we want to calculate ends of lines for each char..
|
||||
}
|
||||
// from start to end of screen
|
||||
(Some(start), None) => {}
|
||||
// from start of screen to end
|
||||
(None, Some(end)) => {}
|
||||
// not on screen
|
||||
(None, None) => return,
|
||||
}
|
||||
}
|
||||
}
|
||||
|
Loading…
Reference in New Issue
Block a user