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use crate::context::{AppContext, MatchContext};
use crate::error::JoshutoResult;
use crate::tab::JoshutoTab;
use super::cursor_move;
pub fn search_next(context: &mut AppContext) -> JoshutoResult {
if let Some(search_context) = context.get_search_context() {
if search_context.is_none() {
return Ok(());
}
let curr_tab = &context.tab_context_ref().curr_tab_ref();
let index = curr_tab.curr_list_ref().and_then(|c| c.get_index());
let offset = match index {
Some(index) => index + 1,
None => return Ok(()),
};
if let Some(index) = search_next_impl(curr_tab, search_context, offset) {
cursor_move::cursor_move(context, index);
}
}
Ok(())
}
pub(super) fn search_next_impl(
curr_tab: &JoshutoTab,
match_context: &MatchContext,
offset: usize,
) -> Option<usize> {
let curr_list = curr_tab.curr_list_ref()?;
let contents_len = curr_list.contents.len();
for i in 0..contents_len {
let file_name = curr_list.contents[(offset + i) % contents_len].file_name();
if match_context.is_match(file_name) {
return Some((offset + i) % contents_len);
}
}
None
}
pub fn search_prev(context: &mut AppContext) -> JoshutoResult {
if let Some(search_context) = context.get_search_context() {
if search_context.is_none() {
return Ok(());
}
let curr_tab = &context.tab_context_ref().curr_tab_ref();
let index = curr_tab.curr_list_ref().and_then(|c| c.get_index());
let offset = match index {
Some(index) => index,
None => return Ok(()),
};
if let Some(index) = search_prev_impl(curr_tab, search_context, offset) {
cursor_move::cursor_move(context, index);
}
}
Ok(())
}
fn search_prev_impl(
curr_tab: &JoshutoTab,
match_context: &MatchContext,
offset: usize,
) -> Option<usize> {
let curr_list = curr_tab.curr_list_ref()?;
let contents_len = curr_list.contents.len();
for i in (0..contents_len).rev() {
let file_name = curr_list.contents[(offset + i) % contents_len].file_name();
if match_context.is_match(file_name) {
return Some((offset + i) % contents_len);
}
}
None
}
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