Implement buffer::move_to_enclosing_bracket

zed/src/editor/buffer/selection.rs

@@ -1,6 +1,6 @@
 use crate::{
     editor::{
-        buffer::{Anchor, Buffer, Point, ToPoint},
+        buffer::{Anchor, Buffer, Point, ToOffset as _, ToPoint as _},
         display_map::DisplayMap,
         Bias, DisplayPoint,
     },
@@ -61,7 +61,7 @@ impl Selection {
         }
     }
 
-    pub fn range(&self, buffer: &Buffer) -> Range<Point> {
+    pub fn point_range(&self, buffer: &Buffer) -> Range<Point> {
         let start = self.start.to_point(buffer);
         let end = self.end.to_point(buffer);
         if self.reversed {
@@ -71,6 +71,16 @@ impl Selection {
         }
     }
 
+    pub fn offset_range(&self, buffer: &Buffer) -> Range<usize> {
+        let start = self.start.to_offset(buffer);
+        let end = self.end.to_offset(buffer);
+        if self.reversed {
+            end..start
+        } else {
+            start..end
+        }
+    }
+
     pub fn display_range(&self, map: &DisplayMap, app: &AppContext) -> Range<DisplayPoint> {
         let start = self.start.to_display_point(map, app);
         let end = self.end.to_display_point(map, app);