diff options
Diffstat (limited to 'src/main.rs')
| -rw-r--r-- | src/main.rs | 43 |
1 files changed, 26 insertions, 17 deletions
diff --git a/src/main.rs b/src/main.rs index 406b422..e059407 100644 --- a/src/main.rs +++ b/src/main.rs @@ -196,6 +196,10 @@ struct Bk { } struct Position(String, usize, usize); +enum Direction { + Forward, + Backward, +} impl Bk { fn new(pos: &Position, pad: u16) -> Result<Self, Error> { @@ -323,19 +327,24 @@ impl Bk { self.pos = (self.chapter.len() / self.rows) * self.rows; } } - fn really_search(&mut self, forwards: bool) { - if forwards { - if let Some(pos) = self.chapter[self.pos + 1..] - .iter() - .position(|s| s.contains(&self.search)) - { - self.pos += pos + 1; + fn really_search(&mut self, dir: Direction) { + match dir { + Direction::Forward => { + if let Some(i) = self.chapter[self.pos + 1..] + .iter() + .position(|s| s.contains(&self.search)) + { + self.pos += i + 1; + } + } + Direction::Backward => { + if let Some(i) = self.chapter[..self.pos] + .iter() + .rposition(|s| s.contains(&self.search)) + { + self.pos = i; + } } - } else if let Some(pos) = self.chapter[0..self.pos - 1] - .iter() - .rposition(|s| s.contains(&self.search)) - { - self.pos = pos; } } fn match_search(&mut self, kc: KeyCode) { @@ -346,7 +355,7 @@ impl Bk { } KeyCode::Enter => { self.mode = Mode::Read; - self.really_search(true); + self.really_search(Direction::Forward); } KeyCode::Char(c) => { self.search.push(c); @@ -401,10 +410,10 @@ impl Bk { self.mode = Mode::Search; } KeyCode::Char('N') => { - self.really_search(false); + self.really_search(Direction::Backward); } KeyCode::Char('n') => { - self.really_search(true); + self.really_search(Direction::Forward); } KeyCode::End | KeyCode::Char('G') => { self.pos = (self.chapter.len() / self.rows) * self.rows; @@ -499,8 +508,8 @@ PageDown Right Space f l Page Down Up k Line Up Home g Chapter Start End G Chapter End - n Search Forwards - N Search Backwards + n Search Forward + N Search Backward "#; let mut stdout = stdout(); |