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use std::fs;
use crate::context::AppContext;
use crate::error::AppResult;
use crate::ui::views::{DummyListener, TuiTextField};
use crate::ui::AppBackend;
use crate::util::unix;
use super::cursor_move;
#[derive(Clone, Debug)]
pub struct SetMode;
#[allow(clippy::unnecessary_cast)]
#[cfg(unix)]
const LIBC_PERMISSION_VALS: [(u32, char); 9] = [
(libc::S_IRUSR as u32, 'r'),
(libc::S_IWUSR as u32, 'w'),
(libc::S_IXUSR as u32, 'x'),
(libc::S_IRGRP as u32, 'r'),
(libc::S_IWGRP as u32, 'w'),
(libc::S_IXGRP as u32, 'x'),
(libc::S_IROTH as u32, 'r'),
(libc::S_IWOTH as u32, 'w'),
(libc::S_IXOTH as u32, 'x'),
];
pub fn str_to_mode(s: &str) -> u32 {
let mut mode: u32 = 0;
for (i, ch) in s.chars().enumerate().take(LIBC_PERMISSION_VALS.len()) {
if ch == LIBC_PERMISSION_VALS[i].1 {
let (val, _) = LIBC_PERMISSION_VALS[i];
mode |= val;
}
}
mode
}
pub fn set_mode(context: &mut AppContext, backend: &mut AppBackend) -> AppResult {
#[cfg(unix)]
use std::os::unix::fs::PermissionsExt;
const PREFIX: &str = "set_mode ";
let entry = context
.tab_context_ref()
.curr_tab_ref()
.curr_list_ref()
.and_then(|x| x.curr_entry_ref());
let user_input = match entry {
Some(entry) => {
let mode = entry.metadata.permissions_ref().mode();
let mode_string = unix::mode_to_string(mode);
let mut listener = DummyListener {};
context.flush_event();
TuiTextField::default()
.prompt(":")
.prefix(PREFIX)
.suffix(&mode_string.as_str()[1..])
.get_input(backend, context, &mut listener)
}
None => None,
};
if let Some(s) = user_input {
if let Some(stripped) = s.strip_prefix(PREFIX) {
let mode = str_to_mode(stripped);
if let Some(curr_list) = context.tab_context_mut().curr_tab_mut().curr_list_mut() {
if curr_list.selected_count() > 0 {
for entry in curr_list.iter_selected_mut() {
let mut permissions = entry.metadata.permissions_ref().clone();
let file_mode = (permissions.mode() >> 12) << 12 | mode;
permissions.set_mode(file_mode);
fs::set_permissions(entry.file_path(), permissions)?;
entry.metadata.permissions_mut().set_mode(file_mode);
}
} else if let Some(entry) = curr_list.curr_entry_mut() {
let mut permissions = entry.metadata.permissions_ref().clone();
let file_mode = (permissions.mode() >> 12) << 12 | mode;
permissions.set_mode(file_mode);
fs::set_permissions(entry.file_path(), permissions)?;
entry.metadata.permissions_mut().set_mode(file_mode);
cursor_move::down(context, 1)?;
}
}
}
}
Ok(())
}
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