diff options
Diffstat (limited to 'helix-core/src/search.rs')
-rw-r--r-- | helix-core/src/search.rs | 38 |
1 files changed, 10 insertions, 28 deletions
diff --git a/helix-core/src/search.rs b/helix-core/src/search.rs index 73be68c7..243ac227 100644 --- a/helix-core/src/search.rs +++ b/helix-core/src/search.rs @@ -1,18 +1,11 @@ use crate::RopeSlice; -pub fn find_nth_next( - text: RopeSlice, - ch: char, - mut pos: usize, - n: usize, - inclusive: bool, -) -> Option<usize> { - if pos >= text.len_chars() { +pub fn find_nth_next(text: RopeSlice, ch: char, mut pos: usize, n: usize) -> Option<usize> { + if pos >= text.len_chars() || n == 0 { return None; } - // start searching right after pos - let mut chars = text.chars_at(pos + 1); + let mut chars = text.chars_at(pos); for _ in 0..n { loop { @@ -26,28 +19,21 @@ pub fn find_nth_next( } } - if !inclusive { - pos -= 1; - } - - Some(pos) + Some(pos - 1) } -pub fn find_nth_prev( - text: RopeSlice, - ch: char, - mut pos: usize, - n: usize, - inclusive: bool, -) -> Option<usize> { - // start searching right before pos +pub fn find_nth_prev(text: RopeSlice, ch: char, mut pos: usize, n: usize) -> Option<usize> { + if pos == 0 || n == 0 { + return None; + } + let mut chars = text.chars_at(pos); for _ in 0..n { loop { let c = chars.prev()?; - pos = pos.saturating_sub(1); + pos -= 1; if c == ch { break; @@ -55,9 +41,5 @@ pub fn find_nth_prev( } } - if !inclusive { - pos += 1; - } - Some(pos) } |