1pub use buffer_search::BufferSearchBar;
 2use editor::{Anchor, MultiBufferSnapshot};
 3use gpui::{action, MutableAppContext};
 4pub use project_search::{ProjectSearchBar, ProjectSearchView};
 5use std::{
 6    cmp::{self, Ordering},
 7    ops::Range,
 8};
 9
10pub mod buffer_search;
11pub mod project_search;
12
13pub fn init(cx: &mut MutableAppContext) {
14    buffer_search::init(cx);
15    project_search::init(cx);
16}
17
18action!(ToggleSearchOption, SearchOption);
19action!(SelectMatch, Direction);
20
21#[derive(Clone, Copy)]
22pub enum SearchOption {
23    WholeWord,
24    CaseSensitive,
25    Regex,
26}
27
28#[derive(Clone, Copy, PartialEq, Eq)]
29pub enum Direction {
30    Prev,
31    Next,
32}
33
34pub(crate) fn active_match_index(
35    ranges: &[Range<Anchor>],
36    cursor: &Anchor,
37    buffer: &MultiBufferSnapshot,
38) -> Option<usize> {
39    if ranges.is_empty() {
40        None
41    } else {
42        match ranges.binary_search_by(|probe| {
43            if probe.end.cmp(&cursor, &*buffer).is_lt() {
44                Ordering::Less
45            } else if probe.start.cmp(&cursor, &*buffer).is_gt() {
46                Ordering::Greater
47            } else {
48                Ordering::Equal
49            }
50        }) {
51            Ok(i) | Err(i) => Some(cmp::min(i, ranges.len() - 1)),
52        }
53    }
54}
55
56pub(crate) fn match_index_for_direction(
57    ranges: &[Range<Anchor>],
58    cursor: &Anchor,
59    mut index: usize,
60    direction: Direction,
61    buffer: &MultiBufferSnapshot,
62) -> usize {
63    if ranges[index].start.cmp(&cursor, &buffer).is_gt() {
64        if direction == Direction::Prev {
65            if index == 0 {
66                index = ranges.len() - 1;
67            } else {
68                index -= 1;
69            }
70        }
71    } else if ranges[index].end.cmp(&cursor, &buffer).is_lt() {
72        if direction == Direction::Next {
73            index = 0;
74        }
75    } else if direction == Direction::Prev {
76        if index == 0 {
77            index = ranges.len() - 1;
78        } else {
79            index -= 1;
80        }
81    } else if direction == Direction::Next {
82        if index == ranges.len() - 1 {
83            index = 0
84        } else {
85            index += 1;
86        }
87    };
88    index
89}