3 stable releases
Uses old Rust 2015
1.0.2 | Jul 7, 2019 |
---|---|
1.0.1 | Aug 15, 2017 |
1.0.0 | Aug 8, 2017 |
#1378 in Text processing
Used in tcalc
120KB
3K
SLoC
RustyLine
Readline implementation in Rust that is based on Antirez' Linenoise
Supported Platforms
- Linux
- Windows
- cmd.exe
- Powershell
Note: Powershell ISE is not supported, check issue #56
Build
This project uses Cargo and Rust stable
cargo build --release
Example
extern crate rustyline;
use rustyline::error::ReadlineError;
use rustyline::Editor;
fn main() {
// `()` can be used when no completer is required
let mut rl = Editor::<()>::new();
if let Err(_) = rl.load_history("history.txt") {
println!("No previous history.");
}
loop {
let readline = rl.readline(">> ");
match readline {
Ok(line) => {
rl.add_history_entry(&line);
println!("Line: {}", line);
},
Err(ReadlineError::Interrupted) => {
println!("CTRL-C");
break
},
Err(ReadlineError::Eof) => {
println!("CTRL-D");
break
},
Err(err) => {
println!("Error: {:?}", err);
break
}
}
}
rl.save_history("history.txt").unwrap();
}
crates.io
You can use this package in your project by adding the following
to your Cargo.toml
:
[dependencies]
rustyline = "1.0.0"
Features
- Unicode (UTF-8) (linenoise supports only ASCII)
- Word completion (linenoise supports only line completion)
- Filename completion
- History search (Searching for Commands in the History)
- Kill ring (Killing Commands)
- Multi line mode
- Word commands
Actions
Keystroke | Action |
---|---|
Ctrl-A, Home | Move cursor to the beginning of line |
Ctrl-B, Left | Move cursor one character left |
Ctrl-C | Interrupt/Cancel edition |
Ctrl-D, Del | (if line is not empty) Delete character under cursor |
Ctrl-D | (if line is empty) End of File |
Ctrl-E, End | Move cursor to end of line |
Ctrl-F, Right | Move cursor one character right |
Ctrl-H, BackSpace | Delete character before cursor |
Ctrl-I, Tab | Next completion |
Ctrl-J, Ctrl-M, Enter | Finish the line entry |
Ctrl-K | Delete from cursor to end of line |
Ctrl-L | Clear screen |
Ctrl-N, Down | Next match from history |
Ctrl-P, Up | Previous match from history |
Ctrl-R | Reverse Search history (Ctrl-S forward, Ctrl-G cancel) |
Ctrl-T | Transpose previous character with current character |
Ctrl-U | Delete from start of line to cursor |
Ctrl-V | Insert any special character without perfoming its associated action |
Ctrl-W | Delete word leading up to cursor (using white space as a word boundary) |
Ctrl-Y | Paste from Yank buffer (Meta-Y to paste next yank instead) |
Meta-< | Move to first entry in history |
Meta-> | Move to last entry in history |
Meta-B, Alt-Left | Move cursor to previous word |
Meta-C | Capitalize the current word |
Meta-D | Delete forwards one word |
Meta-F, Alt-Right | Move cursor to next word |
Meta-L | Lower-case the next word |
Meta-T | Transpose words |
Meta-U | Upper-case the next word |
Meta-Y | See Ctrl-Y |
Meta-BackSpace | Kill from the start of the current word, or, if between words, to the start of the previous word |
ToDo
- Undos
- Read input with timeout to properly handle single ESC key
- expose an API callable from C
Wine
$ cargo run --example example --target 'x86_64-pc-windows-gnu'
...
Error: Io(Error { repr: Os { code: 6, message: "Invalid handle." } })
$ wineconsole --backend=curses target/x86_64-pc-windows-gnu/debug/examples/example.exe
...
Similar projects
- copperline (Rust)
- linefeed (Rust)
- liner (Rust)
- linenoise-ng (C++)
- liner (Go)
- readline (Go)
- haskeline (Haskell)
Dependencies
~3.5MB
~63K SLoC