added some tests and a line_ending helper function in document.rs

1 files changed, 15 insertions, 1 deletions

diff --git a/helix-view/src/document.rs b/helix-view/src/document.rs
index 704094a6..bd5f8012 100644
--- a/helix-view/src/document.rs
+++ b/helix-view/src/document.rs
@@ -6,9 +6,9 @@ use std::sync::Arc;
 
 use helix_core::{
     chars::{char_is_linebreak, char_is_whitespace},
-    auto_detect_line_ending, DEFAULT_LINE_ENDING, history::History,
     syntax::{LanguageConfiguration, LOADER},
     ChangeSet, Diagnostic, LineEnding, Rope, Selection, State, Syntax, Transaction,
+    DEFAULT_LINE_ENDING,
 };
 
 use crate::{DocumentId, ViewId};
@@ -740,6 +740,20 @@ impl Document {
     pub fn set_diagnostics(&mut self, diagnostics: Vec<Diagnostic>) {
         self.diagnostics = diagnostics;
     }
+
+    pub fn line_ending(&self) -> &str {
+        match self.line_ending {
+            LineEnding::Crlf => "\u{000D}\u{000A}",
+            LineEnding::LF => "\u{000A}",
+            LineEnding::Nel => "\u{0085}",
+            LineEnding::LS => "\u{2028}",
+            LineEnding::CR => "\u{000D}",
+            _ => panic!(
+                "Unexpected line ending: {:?}, expected Crlf, LF, CR, Nel, or LS.",
+                self.line_ending
+            ),
+        }
+    }
 }
 
 #[cfg(test)]