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use lazy_static::lazy_static;
use std::sync::Mutex;
use crate::commands::{cursor_move, JoshutoCommand, JoshutoRunnable};
use crate::context::JoshutoContext;
use crate::error::JoshutoResult;
use crate::tab::JoshutoTab;
use crate::ui::TuiBackend;
lazy_static! {
static ref SEARCH_PATTERN: Mutex<Option<String>> = Mutex::new(None);
}
#[derive(Clone, Debug)]
pub struct Search {
pattern: String,
}
impl Search {
pub fn new(pattern: &str) -> Self {
Search {
pattern: pattern.to_lowercase(),
}
}
pub const fn command() -> &'static str {
"search"
}
pub fn search(curr_tab: &JoshutoTab, pattern: &str) -> Option<usize> {
let curr_list = curr_tab.curr_list_ref()?;
let offset = curr_list.index? + 1;
let contents_len = curr_list.contents.len();
for i in 0..contents_len {
let file_name_lower = curr_list.contents[(offset + i) % contents_len]
.file_name()
.to_lowercase();
if file_name_lower.contains(pattern) {
return Some((offset + i) % contents_len);
}
}
None
}
pub fn search_rev(curr_tab: &JoshutoTab, pattern: &str) -> Option<usize> {
let curr_list = curr_tab.curr_list_ref()?;
let offset = curr_list.index?;
let contents_len = curr_list.contents.len();
for i in (0..contents_len).rev() {
let file_name_lower = curr_list.contents[(offset + i) % contents_len]
.file_name()
.to_lowercase();
if file_name_lower.contains(pattern) {
return Some((offset + i) % contents_len);
}
}
None
}
}
impl JoshutoCommand for Search {}
impl std::fmt::Display for Search {
fn fmt(&self, f: &mut std::fmt::Formatter) -> std::fmt::Result {
write!(f, "{} {}", Self::command(), self.pattern)
}
}
impl JoshutoRunnable for Search {
fn execute(&self, context: &mut JoshutoContext, _: &mut TuiBackend) -> JoshutoResult<()> {
let index = Self::search(&context.tabs[context.curr_tab_index], &self.pattern);
if let Some(index) = index {
cursor_move::cursor_move(index, context);
}
let mut data = SEARCH_PATTERN.lock().unwrap();
match data.as_ref() {
Some(s) => {
if *s != self.pattern {
*data = Some(self.pattern.clone());
}
}
None => *data = Some(self.pattern.clone()),
}
Ok(())
}
}
fn search_with_func(
context: &mut JoshutoContext,
search_func: fn(&JoshutoTab, &str) -> Option<usize>,
) {
let data = SEARCH_PATTERN.lock().unwrap();
if let Some(s) = (*data).as_ref() {
let index = search_func(&context.tabs[context.curr_tab_index], s);
if let Some(index) = index {
cursor_move::cursor_move(index, context);
}
}
}
#[derive(Clone, Debug)]
pub struct SearchNext;
impl SearchNext {
pub fn new() -> Self {
SearchNext
}
pub const fn command() -> &'static str {
"search_next"
}
}
impl JoshutoCommand for SearchNext {}
impl std::fmt::Display for SearchNext {
fn fmt(&self, f: &mut std::fmt::Formatter) -> std::fmt::Result {
f.write_str(Self::command())
}
}
impl JoshutoRunnable for SearchNext {
fn execute(&self, context: &mut JoshutoContext, _: &mut TuiBackend) -> JoshutoResult<()> {
search_with_func(context, Search::search);
Ok(())
}
}
#[derive(Clone, Debug)]
pub struct SearchPrev;
impl SearchPrev {
pub fn new() -> Self {
SearchPrev
}
pub const fn command() -> &'static str {
"search_prev"
}
}
impl JoshutoCommand for SearchPrev {}
impl std::fmt::Display for SearchPrev {
fn fmt(&self, f: &mut std::fmt::Formatter) -> std::fmt::Result {
f.write_str(Self::command())
}
}
impl JoshutoRunnable for SearchPrev {
fn execute(&self, context: &mut JoshutoContext, _: &mut TuiBackend) -> JoshutoResult<()> {
search_with_func(context, Search::search_rev);
Ok(())
}
}
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