Implement the f/t/F/T find/till family of commands.

1 files changed, 22 insertions, 2 deletions

diff --git a/helix-core/src/search.rs b/helix-core/src/search.rs
index c03f60df..af754ab7 100644
--- a/helix-core/src/search.rs
+++ b/helix-core/src/search.rs
@@ -1,6 +1,12 @@
 use crate::RopeSlice;
 
-pub fn find_nth_next(text: RopeSlice, ch: char, mut pos: usize, n: usize) -> Option<usize> {
+pub fn find_nth_next(
+    text: RopeSlice,
+    ch: char,
+    mut pos: usize,
+    n: usize,
+    inclusive: bool,
+) -> Option<usize> {
     // start searching right after pos
     let mut chars = text.chars_at(pos + 1);
 
@@ -16,10 +22,20 @@ pub fn find_nth_next(text: RopeSlice, ch: char, mut pos: usize, n: usize) -> Opt
         }
     }
 
+    if !inclusive {
+        pos -= 1;
+    }
+
     Some(pos)
 }
 
-pub fn find_nth_prev(text: RopeSlice, ch: char, mut pos: usize, n: usize) -> Option<usize> {
+pub fn find_nth_prev(
+    text: RopeSlice,
+    ch: char,
+    mut pos: usize,
+    n: usize,
+    inclusive: bool,
+) -> Option<usize> {
     // start searching right before pos
     let mut chars = text.chars_at(pos.saturating_sub(1));
 
@@ -35,5 +51,9 @@ pub fn find_nth_prev(text: RopeSlice, ch: char, mut pos: usize, n: usize) -> Opt
         }
     }
 
+    if !inclusive {
+        pos -= 1;
+    }
+
     Some(pos)
 }