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examples: fix blocking the scheduler in the repl

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dignifiedquire
2020-05-27 15:05:29 +02:00
parent 307357df70
commit 9f7f387540
1 changed files with 47 additions and 36 deletions
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83
examples/repl/main.rs
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@@ -290,48 +290,59 @@ async fn start(args: Vec<String>) -> Result<(), Error> {
.edit_mode(EditMode::Emacs)
.output_stream(OutputStreamType::Stdout)
.build();
let h = DcHelper {
completer: FilenameCompleter::new(),
highlighter: MatchingBracketHighlighter::new(),
hinter: HistoryHinter {},
};
let mut rl = Editor::with_config(config);
rl.set_helper(Some(h));
rl.bind_sequence(KeyPress::Meta('N'), Cmd::HistorySearchForward);
rl.bind_sequence(KeyPress::Meta('P'), Cmd::HistorySearchBackward);
if rl.load_history(".dc-history.txt").is_err() {
println!("No previous history.");
}
let mut selected_chat = ChatId::default();
let (reader_s, reader_r) = async_std::sync::channel(100);
let input_loop = async_std::task::spawn_blocking(move || {
let h = DcHelper {
completer: FilenameCompleter::new(),
highlighter: MatchingBracketHighlighter::new(),
hinter: HistoryHinter {},
};
let mut rl = Editor::with_config(config);
rl.set_helper(Some(h));
rl.bind_sequence(KeyPress::Meta('N'), Cmd::HistorySearchForward);
rl.bind_sequence(KeyPress::Meta('P'), Cmd::HistorySearchBackward);
if rl.load_history(".dc-history.txt").is_err() {
println!("No previous history.");
}
loop {
let p = "> ";
let readline = rl.readline(&p);
match readline {
Ok(line) => {
// TODO: ignore "set mail_pw"
rl.add_history_entry(line.as_str());
match handle_cmd(line.trim(), context.clone(), &mut selected_chat).await {
Ok(ExitResult::Continue) => {}
Ok(ExitResult::Exit) => break,
Err(err) => println!("Error: {}", err),
loop {
let p = "> ";
let readline = rl.readline(&p);
match readline {
Ok(line) => {
// TODO: ignore "set mail_pw"
rl.add_history_entry(line.as_str());
async_std::task::block_on(reader_s.send(line));
}
Err(ReadlineError::Interrupted) | Err(ReadlineError::Eof) => {
println!("Exiting...");
drop(reader_s);
break;
}
Err(err) => {
println!("Error: {}", err);
drop(reader_s);
break;
}
}
Err(ReadlineError::Interrupted) | Err(ReadlineError::Eof) => {
println!("Exiting...");
context.stop_io().await;
break;
}
Err(err) => {
println!("Error: {}", err);
break;
}
}
rl.save_history(".dc-history.txt")?;
println!("history saved");
Ok::<_, Error>(())
});
while let Ok(line) = reader_r.recv().await {
match handle_cmd(line.trim(), context.clone(), &mut selected_chat).await {
Ok(ExitResult::Continue) => {}
Ok(ExitResult::Exit) => break,
Err(err) => println!("Error: {}", err),
}
}
rl.save_history(".dc-history.txt")?;
println!("history saved");
context.stop_io().await;
input_loop.await?;
Ok(())
}