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use std::sync::Mutex;
struct StatusReportData {
files: usize,
items: usize,
total_files: usize,
total_items: usize,
changed_items: usize,
last_file: String,
last_item: String,
}
impl StatusReportData {
fn print(&self, clear: bool) {
if clear {
print!("\x1b[1F\x1b[2K\x1b[1F\x1b[2K");
}
println!("{}/{} files ({})", self.files, self.total_files, self.last_file);
println!("{}/{} ({}) items ({})", self.items, self.total_items,
self.changed_items, self.last_item);
}
}
pub struct StatusReport(Mutex<StatusReportData>);
impl StatusReport {
pub fn new(total_files: usize, total_items: usize) -> Self {
Self(Mutex::new(StatusReportData {
files: 0,
items: 0,
total_files,
total_items,
changed_items: 0,
last_file: "".to_string(),
last_item: "".to_string(),
}))
}
pub fn enter_file(&self, f: &str) {
let mut m = self.0.lock().unwrap();
m.files += 1;
m.last_file = f.to_string();
m.print(m.files > 1 || m.items >= 1);
}
fn enter_item(&self, i: String) {
let mut m = self.0.lock().unwrap();
m.items += 1;
m.last_item = i;
m.print(m.files >= 1 || m.items > 1);
}
pub fn update_item(&self, i: String) {
let mut m = self.0.lock().unwrap();
m.last_item = i;
m.print(true);
}
pub fn changed_item(&self) {
let mut m = self.0.lock().unwrap();
m.changed_items += 1;
m.print(true);
}
fn skip_items(&self, i: usize) {
let mut m = self.0.lock().unwrap();
m.items += i;
m.print(m.files >= 1 || m.items >= 1);
}
}
struct StatusPart<'a>(&'a StatusReport, usize);
impl<'a> StatusPart<'a> {
fn enter_item(&mut self, i: String) {
self.0.enter_item(i);
self.1 -= 1;
}
fn update_item(&mut self, i: String) {
self.0.update_item(i);
}
fn changed_item(&mut self) {
self.0.changed_item();
}
}
impl<'a> Drop for StatusPart<'a> {
fn drop(&mut self) {
self.0.skip_items(self.1);
}
}
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