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resolved conflict in rebase
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janhrastnik committed Jun 16, 2021
1 parent 17f69a0 commit 5eb6918
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Showing 5 changed files with 103 additions and 59 deletions.
2 changes: 2 additions & 0 deletions helix-core/src/lib.rs
Original file line number Diff line number Diff line change
Expand Up @@ -6,6 +6,7 @@ pub mod diagnostic;
pub mod graphemes;
pub mod history;
pub mod indent;
pub mod line_ending;
pub mod macros;
pub mod match_brackets;
pub mod movement;
Expand Down Expand Up @@ -109,4 +110,5 @@ pub use syntax::Syntax;
pub use diagnostic::Diagnostic;
pub use state::State;

pub use line_ending::{auto_detect_line_ending, default_line_ending, LineEnding};
pub use transaction::{Assoc, Change, ChangeSet, Operation, Transaction};
74 changes: 74 additions & 0 deletions helix-core/src/line_ending.rs
Original file line number Diff line number Diff line change
@@ -0,0 +1,74 @@
use crate::{Rope, RopeGraphemes, RopeSlice};

/// Represents one of the valid Unicode line endings.
#[derive(PartialEq, Copy, Clone, Debug)]
pub enum LineEnding {
Crlf, // CarriageReturn followed by LineFeed
LF, // U+000A -- LineFeed
VT, // U+000B -- VerticalTab
FF, // U+000C -- FormFeed
CR, // U+000D -- CarriageReturn
Nel, // U+0085 -- NextLine
LS, // U+2028 -- Line Separator
PS, // U+2029 -- ParagraphSeparator
}

pub fn rope_slice_to_line_ending(g: &RopeSlice) -> Option<LineEnding> {
if let Some(text) = g.as_str() {
str_to_line_ending(text)
} else if g == "\u{000D}\u{000A}" {
Some(LineEnding::Crlf)
} else {
// Not a line ending
None
}
}

pub fn str_to_line_ending(g: &str) -> Option<LineEnding> {
match g {
"\u{000D}\u{000A}" => Some(LineEnding::Crlf),
"\u{000A}" => Some(LineEnding::LF),
"\u{000B}" => Some(LineEnding::VT),
"\u{000C}" => Some(LineEnding::FF),
"\u{000D}" => Some(LineEnding::CR),
"\u{0085}" => Some(LineEnding::Nel),
"\u{2028}" => Some(LineEnding::LS),
"\u{2029}" => Some(LineEnding::PS),

// Not a line ending
_ => None,
}
}

pub fn auto_detect_line_ending(doc: &Rope) -> Option<LineEnding> {
// based on https://github.com/cessen/led/blob/27572c8838a1c664ee378a19358604063881cc1d/src/editor/mod.rs#L88-L162

let mut ending = None;
for line in doc.lines().take(1) {
// check first line only - unsure how sound this is
ending = match line.len_chars() {
1 => {
let g = RopeGraphemes::new(line.slice((line.len_chars() - 1)..))
.last()
.unwrap();
rope_slice_to_line_ending(&g)
}
n if n > 1 => {
let g = RopeGraphemes::new(line.slice((line.len_chars() - 2)..))
.last()
.unwrap();
rope_slice_to_line_ending(&g)
}
_ => None,
}
}
ending
}

pub fn default_line_ending() -> Option<LineEnding> {
if cfg!(windows) {
Some(LineEnding::Crlf)
} else {
Some(LineEnding::LF)
}
}
75 changes: 21 additions & 54 deletions helix-view/src/document.rs
Original file line number Diff line number Diff line change
Expand Up @@ -5,11 +5,14 @@ use std::path::{Component, Path, PathBuf};
use std::sync::Arc;

use helix_core::{
<<<<<<< HEAD
chars::{char_is_linebreak, char_is_whitespace},
history::History,
=======
auto_detect_line_ending, default_line_ending,
>>>>>>> 491a8b3 (resolved conflict in rebase)
syntax::{LanguageConfiguration, LOADER},
ChangeSet, Diagnostic, History, Rope, RopeGraphemes, RopeSlice, Selection, State, Syntax,
Transaction,
ChangeSet, Diagnostic, History, LineEnding, Rope, Selection, State, Syntax, Transaction,
};

use crate::{DocumentId, ViewId};
Expand All @@ -23,6 +26,7 @@ pub enum Mode {
Insert,
}

<<<<<<< HEAD

#[derive(Debug, Copy, Clone, PartialEq, Eq, Hash)]
pub enum IndentStyle {
Expand All @@ -45,6 +49,8 @@ pub enum LineEnding {
PS = 8, // U+2029 -- ParagraphSeparator
}

=======
>>>>>>> 491a8b3 (resolved conflict in rebase)
pub struct Document {
// rope + selection
pub(crate) id: DocumentId,
Expand Down Expand Up @@ -78,7 +84,7 @@ pub struct Document {

diagnostics: Vec<Diagnostic>,
language_server: Option<Arc<helix_lsp::Client>>,
_line_ending: LineEnding,
line_ending: Option<LineEnding>,
}

use std::fmt;
Expand Down Expand Up @@ -164,61 +170,14 @@ pub fn canonicalize_path(path: &Path) -> std::io::Result<PathBuf> {
std::env::current_dir().map(|current_dir| normalize_path(&current_dir.join(path)))
}

pub fn auto_detect_line_ending(doc: &Rope) -> LineEnding {
// based on https://github.com/cessen/led/blob/27572c8838a1c664ee378a19358604063881cc1d/src/editor/mod.rs#L88-L162

let mut ending = LineEnding::None;
for line in doc.lines().take(1) { // check first line only - unsure how sound this is
ending = match line.len_chars() {
1 => { let g = RopeGraphemes::new(line.slice((line.len_chars() - 1)..))
.last()
.unwrap();
rope_slice_to_line_ending(&g)}
n if n > 1 => { let g = RopeGraphemes::new(line.slice((line.len_chars() - 2)..))
.last()
.unwrap();
rope_slice_to_line_ending(&g) }
_ => LineEnding::None

}
}
ending
}

pub fn rope_slice_to_line_ending(g: &RopeSlice) -> LineEnding {
if let Some(text) = g.as_str() {
str_to_line_ending(text)
} else if g == "\u{000D}\u{000A}" {
LineEnding::Crlf
} else {
// Not a line ending
LineEnding::None
}
}

pub fn str_to_line_ending(g: &str) -> LineEnding {
match g {
"\u{000D}\u{000A}" => LineEnding::Crlf,
"\u{000A}" => LineEnding::LF,
"\u{000B}" => LineEnding::VT,
"\u{000C}" => LineEnding::FF,
"\u{000D}" => LineEnding::CR,
"\u{0085}" => LineEnding::Nel,
"\u{2028}" => LineEnding::LS,
"\u{2029}" => LineEnding::PS,

// Not a line ending
_ => LineEnding::None,
}
}

use helix_lsp::lsp;
use url::Url;

impl Document {
pub fn new(text: Rope, _line_ending: LineEnding) -> Self {
pub fn new(text: Rope) -> Self {
let changes = ChangeSet::new(&text);
let old_state = None;
let line_ending = default_line_ending();

Self {
id: DocumentId::default(),
Expand All @@ -237,7 +196,7 @@ impl Document {
history: Cell::new(History::default()),
last_saved_revision: 0,
language_server: None,
_line_ending
line_ending,
}
}

Expand All @@ -260,10 +219,14 @@ impl Document {
// search for line endings
let line_ending = auto_detect_line_ending(&doc);

let mut doc = Self::new(doc, line_ending);
let mut doc = Self::new(doc);
// set the path and try detecting the language
doc.set_path(&path)?;
<<<<<<< HEAD
doc.detect_indent_style();
=======
doc.set_line_ending(line_ending);
>>>>>>> 491a8b3 (resolved conflict in rebase)

Ok(doc)
}
Expand Down Expand Up @@ -522,6 +485,10 @@ impl Document {
self.selections.insert(view_id, selection);
}

pub fn set_line_ending(&mut self, line_ending: Option<LineEnding>) {
self.line_ending = line_ending;
}

fn _apply(&mut self, transaction: &Transaction, view_id: ViewId) -> bool {
let old_doc = self.text().clone();

Expand Down
10 changes: 6 additions & 4 deletions helix-view/src/editor.rs
Original file line number Diff line number Diff line change
@@ -1,6 +1,4 @@
use crate::{
theme::Theme, tree::Tree, Document, DocumentId, LineEnding, RegisterSelection, View, ViewId,
};
use crate::{theme::Theme, tree::Tree, Document, DocumentId, RegisterSelection, View, ViewId};
use tui::layout::Rect;
use tui::terminal::CursorKind;

Expand All @@ -10,9 +8,13 @@ use slotmap::SlotMap;

use anyhow::Error;

<<<<<<< HEAD
pub use helix_core::diagnostic::Severity;
pub use helix_core::register::Registers;
use helix_core::Position;
=======
pub use helix_core::{diagnostic::Severity, LineEnding};
>>>>>>> 491a8b3 (resolved conflict in rebase)

#[derive(Debug)]
pub struct Editor {
Expand Down Expand Up @@ -150,7 +152,7 @@ impl Editor {

pub fn new_file(&mut self, action: Action) -> DocumentId {
use helix_core::Rope;
let doc = Document::new(Rope::from("\n"), LineEnding::LF);
let doc = Document::new(Rope::from("\n"));
let id = self.documents.insert(doc);
self.documents[id].id = id;
self.switch(id, action);
Expand Down
1 change: 0 additions & 1 deletion helix-view/src/lib.rs
Original file line number Diff line number Diff line change
Expand Up @@ -10,7 +10,6 @@ new_key_type! { pub struct DocumentId; }
new_key_type! { pub struct ViewId; }

pub use document::Document;
pub use document::LineEnding;
pub use editor::Editor;
pub use register_selection::RegisterSelection;
pub use theme::Theme;
Expand Down

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