diff options
Diffstat (limited to 'helix-view')
-rw-r--r-- | helix-view/src/document.rs | 42 | ||||
-rw-r--r-- | helix-view/src/editor.rs | 5 |
2 files changed, 32 insertions, 15 deletions
diff --git a/helix-view/src/document.rs b/helix-view/src/document.rs index fd127e1b..9326fb79 100644 --- a/helix-view/src/document.rs +++ b/helix-view/src/document.rs @@ -7,10 +7,12 @@ use std::str::FromStr; use std::sync::Arc; use helix_core::{ - chars::{char_is_linebreak, char_is_whitespace}, + auto_detect_line_ending, + chars::{char_is_line_ending, char_is_whitespace}, history::History, syntax::{self, LanguageConfiguration}, - ChangeSet, Diagnostic, Rope, Selection, State, Syntax, Transaction, + ChangeSet, Diagnostic, LineEnding, Rope, Selection, State, Syntax, Transaction, + DEFAULT_LINE_ENDING, }; use crate::{DocumentId, Theme, ViewId}; @@ -45,6 +47,9 @@ pub struct Document { /// Current indent style. pub indent_style: IndentStyle, + /// The document's default line ending. + pub line_ending: LineEnding, + syntax: Option<Syntax>, // /// Corresponding language scope name. Usually `source.<lang>`. pub(crate) language: Option<Arc<LanguageConfiguration>>, @@ -232,6 +237,7 @@ impl Document { history: Cell::new(History::default()), last_saved_revision: 0, language_server: None, + line_ending: DEFAULT_LINE_ENDING, } } @@ -243,22 +249,26 @@ impl Document { ) -> Result<Self, Error> { use std::{fs::File, io::BufReader}; - let doc = if !path.exists() { - Rope::from("\n") + let mut doc = if !path.exists() { + Rope::from(DEFAULT_LINE_ENDING.as_str()) } else { let file = File::open(&path).context(format!("unable to open {:?}", path))?; - let mut doc = Rope::from_reader(BufReader::new(file))?; - // add missing newline at the end of file - if doc.len_bytes() == 0 || doc.byte(doc.len_bytes() - 1) != b'\n' { - doc.insert_char(doc.len_chars(), '\n'); - } - doc + Rope::from_reader(BufReader::new(file))? }; + // search for line endings + let line_ending = auto_detect_line_ending(&doc).unwrap_or(DEFAULT_LINE_ENDING); + + // add missing newline at the end of file + if doc.len_bytes() == 0 || char_is_line_ending(doc.char(doc.len_chars() - 1)) { + doc.insert(doc.len_chars(), line_ending.as_str()); + } + let mut doc = Self::new(doc); // set the path and try detecting the language doc.set_path(&path)?; doc.detect_indent_style(); + doc.set_line_ending(line_ending); if let Some(loader) = config_loader { doc.detect_language(theme, loader); @@ -366,7 +376,7 @@ impl Document { Some(' ') => false, // Ignore blank lines. - Some(c) if char_is_linebreak(c) => continue, + Some(c) if char_is_line_ending(c) => continue, _ => { prev_line_is_tabs = false; @@ -390,7 +400,7 @@ impl Document { c if char_is_whitespace(c) => count_is_done = true, // Ignore blank lines. - c if char_is_linebreak(c) => continue 'outer, + c if char_is_line_ending(c) => continue 'outer, _ => break, } @@ -521,6 +531,10 @@ impl Document { self.selections.insert(view_id, selection); } + pub fn set_line_ending(&mut self, line_ending: LineEnding) { + self.line_ending = line_ending; + } + fn _apply(&mut self, transaction: &Transaction, view_id: ViewId) -> bool { let old_doc = self.text().clone(); @@ -791,6 +805,10 @@ impl Document { pub fn set_diagnostics(&mut self, diagnostics: Vec<Diagnostic>) { self.diagnostics = diagnostics; } + + pub fn line_ending(&self) -> LineEnding { + self.line_ending + } } #[cfg(test)] diff --git a/helix-view/src/editor.rs b/helix-view/src/editor.rs index 5d18030a..839bcdcd 100644 --- a/helix-view/src/editor.rs +++ b/helix-view/src/editor.rs @@ -15,10 +15,9 @@ use slotmap::SlotMap; use anyhow::Error; -use helix_core::Position; - pub use helix_core::diagnostic::Severity; pub use helix_core::register::Registers; +use helix_core::{Position, DEFAULT_LINE_ENDING}; #[derive(Debug)] pub struct Editor { @@ -173,7 +172,7 @@ impl Editor { pub fn new_file(&mut self, action: Action) -> DocumentId { use helix_core::Rope; - let doc = Document::new(Rope::from("\n")); + let doc = Document::new(Rope::from(DEFAULT_LINE_ENDING.as_str())); let id = self.documents.insert(doc); self.documents[id].id = id; self.switch(id, action); |