From 7d95d38ecb9b197721e2533ba98afbc2f91610d0 Mon Sep 17 00:00:00 2001
From: Aleksey Kladov <aleksey.kladov@gmail.com>
Date: Wed, 29 Aug 2018 18:35:28 +0300
Subject: fix join lines selection

---
 crates/libeditor/src/edit.rs | 12 +++++++-----
 1 file changed, 7 insertions(+), 5 deletions(-)

(limited to 'crates/libeditor/src/edit.rs')

diff --git a/crates/libeditor/src/edit.rs b/crates/libeditor/src/edit.rs
index dcf1ee81e..09cf2bd00 100644
--- a/crates/libeditor/src/edit.rs
+++ b/crates/libeditor/src/edit.rs
@@ -1,5 +1,8 @@
 use {TextRange, TextUnit};
-use libsyntax2::AtomEdit;
+use libsyntax2::{
+    AtomEdit,
+    text_utils::contains_offset_nonstrict,
+};
 
 #[derive(Debug, Clone)]
 pub struct Edit {
@@ -15,19 +18,15 @@ impl EditBuilder {
     pub fn new() -> EditBuilder {
         EditBuilder { atoms: Vec::new() }
     }
-
     pub fn replace(&mut self, range: TextRange, replace_with: String) {
         self.atoms.push(AtomEdit::replace(range, replace_with))
     }
-
     pub fn delete(&mut self, range: TextRange) {
         self.atoms.push(AtomEdit::delete(range))
     }
-
     pub fn insert(&mut self, offset: TextUnit, text: String) {
         self.atoms.push(AtomEdit::insert(offset, text))
     }
-
     pub fn finish(self) -> Edit {
         let mut atoms = self.atoms;
         atoms.sort_by_key(|a| a.delete.start());
@@ -36,6 +35,9 @@ impl EditBuilder {
         }
         Edit { atoms }
     }
+    pub fn invalidates_offset(&self, offset: TextUnit) -> bool {
+        self.atoms.iter().any(|atom| contains_offset_nonstrict(atom.delete, offset))
+    }
 }
 
 impl Edit {
-- 
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