mirror of
https://github.com/nushell/reedline.git
synced 2024-08-17 11:50:42 +03:00
examples updated (#493)
Puts the minimal examples from the documentation as separate example executables to play around with
This commit is contained in:
parent
3042289df4
commit
835d2e9f25
26
examples/basic.rs
Normal file
26
examples/basic.rs
Normal file
@ -0,0 +1,26 @@
|
||||
// Create a default reedline object to handle user input
|
||||
// cargo run --example basic
|
||||
//
|
||||
// You can browse the local (non persistent) history using Up/Down or Ctrl n/p.
|
||||
|
||||
use reedline::{DefaultPrompt, Reedline, Signal};
|
||||
use std::io;
|
||||
|
||||
fn main() -> io::Result<()> {
|
||||
// Create a new Reedline engine with a local History that is not synchronized to a file.
|
||||
let mut line_editor = Reedline::create();
|
||||
let prompt = DefaultPrompt::default();
|
||||
|
||||
loop {
|
||||
let sig = line_editor.read_line(&prompt)?;
|
||||
match sig {
|
||||
Signal::Success(buffer) => {
|
||||
println!("We processed: {}", buffer);
|
||||
}
|
||||
Signal::CtrlD | Signal::CtrlC => {
|
||||
println!("\nAborted!");
|
||||
break Ok(());
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
58
examples/completions.rs
Normal file
58
examples/completions.rs
Normal file
@ -0,0 +1,58 @@
|
||||
// Create a reedline object with tab completions support
|
||||
// cargo run --example completions
|
||||
//
|
||||
// "t" [Tab] will allow you to select the completions "test" and "this is the reedline crate"
|
||||
// [Enter] to select the chosen alternative
|
||||
|
||||
use reedline::{
|
||||
default_emacs_keybindings, ColumnarMenu, DefaultCompleter, DefaultPrompt, Emacs, KeyCode,
|
||||
KeyModifiers, Keybindings, Reedline, ReedlineEvent, ReedlineMenu, Signal,
|
||||
};
|
||||
use std::io;
|
||||
|
||||
fn add_menu_keybindings(keybindings: &mut Keybindings) {
|
||||
keybindings.add_binding(
|
||||
KeyModifiers::NONE,
|
||||
KeyCode::Tab,
|
||||
ReedlineEvent::UntilFound(vec![
|
||||
ReedlineEvent::Menu("completion_menu".to_string()),
|
||||
ReedlineEvent::MenuNext,
|
||||
]),
|
||||
);
|
||||
}
|
||||
fn main() -> io::Result<()> {
|
||||
let commands = vec![
|
||||
"test".into(),
|
||||
"hello world".into(),
|
||||
"hello world reedline".into(),
|
||||
"this is the reedline crate".into(),
|
||||
];
|
||||
let completer = Box::new(DefaultCompleter::new_with_wordlen(commands.clone(), 2));
|
||||
// Use the interactive menu to select options from the completer
|
||||
let completion_menu = Box::new(ColumnarMenu::default().with_name("completion_menu"));
|
||||
|
||||
let mut keybindings = default_emacs_keybindings();
|
||||
add_menu_keybindings(&mut keybindings);
|
||||
|
||||
let edit_mode = Box::new(Emacs::new(keybindings));
|
||||
|
||||
let mut line_editor = Reedline::create()
|
||||
.with_completer(completer)
|
||||
.with_menu(ReedlineMenu::EngineCompleter(completion_menu))
|
||||
.with_edit_mode(edit_mode);
|
||||
|
||||
let prompt = DefaultPrompt::default();
|
||||
|
||||
loop {
|
||||
let sig = line_editor.read_line(&prompt)?;
|
||||
match sig {
|
||||
Signal::Success(buffer) => {
|
||||
println!("We processed: {}", buffer);
|
||||
}
|
||||
Signal::CtrlD | Signal::CtrlC => {
|
||||
println!("\nAborted!");
|
||||
break Ok(());
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
31
examples/highlighter.rs
Normal file
31
examples/highlighter.rs
Normal file
@ -0,0 +1,31 @@
|
||||
// Create a reedline object with highlighter support.
|
||||
// cargo run --example highlighter
|
||||
//
|
||||
// unmatched input is marked red, matched input is marked green
|
||||
use reedline::{DefaultPrompt, ExampleHighlighter, Reedline, Signal};
|
||||
use std::io;
|
||||
|
||||
fn main() -> io::Result<()> {
|
||||
let commands = vec![
|
||||
"test".into(),
|
||||
"hello world".into(),
|
||||
"hello world reedline".into(),
|
||||
"this is the reedline crate".into(),
|
||||
];
|
||||
let mut line_editor =
|
||||
Reedline::create().with_highlighter(Box::new(ExampleHighlighter::new(commands)));
|
||||
let prompt = DefaultPrompt::default();
|
||||
|
||||
loop {
|
||||
let sig = line_editor.read_line(&prompt)?;
|
||||
match sig {
|
||||
Signal::Success(buffer) => {
|
||||
println!("We processed: {}", buffer);
|
||||
}
|
||||
Signal::CtrlD | Signal::CtrlC => {
|
||||
println!("\nAborted!");
|
||||
break Ok(());
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
31
examples/hinter.rs
Normal file
31
examples/hinter.rs
Normal file
@ -0,0 +1,31 @@
|
||||
// Create a reedline object with in-line hint support.
|
||||
// cargo run --example hinter
|
||||
//
|
||||
// Fish-style history based hinting.
|
||||
// assuming history ["abc", "ade"]
|
||||
// pressing "a" hints to abc.
|
||||
// Up/Down or Ctrl p/n, to select next/previous match
|
||||
|
||||
use nu_ansi_term::{Color, Style};
|
||||
use reedline::{DefaultHinter, DefaultPrompt, Reedline, Signal};
|
||||
use std::io;
|
||||
|
||||
fn main() -> io::Result<()> {
|
||||
let mut line_editor = Reedline::create().with_hinter(Box::new(
|
||||
DefaultHinter::default().with_style(Style::new().italic().fg(Color::LightGray)),
|
||||
));
|
||||
let prompt = DefaultPrompt::default();
|
||||
|
||||
loop {
|
||||
let sig = line_editor.read_line(&prompt)?;
|
||||
match sig {
|
||||
Signal::Success(buffer) => {
|
||||
println!("We processed: {}", buffer);
|
||||
}
|
||||
Signal::CtrlD | Signal::CtrlC => {
|
||||
println!("\nAborted!");
|
||||
break Ok(());
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
33
examples/history.rs
Normal file
33
examples/history.rs
Normal file
@ -0,0 +1,33 @@
|
||||
// Create a reedline object with history support, including history size limits.
|
||||
// cargo run --example history
|
||||
//
|
||||
// A file `history.txt` will be created (or replaced).
|
||||
// Allows for persistent loading of previous session.
|
||||
//
|
||||
// Browse history by Up/Down arrows or Ctrl-n/p
|
||||
|
||||
use reedline::{DefaultPrompt, FileBackedHistory, Reedline, Signal};
|
||||
use std::io;
|
||||
|
||||
fn main() -> io::Result<()> {
|
||||
let history = Box::new(
|
||||
FileBackedHistory::with_file(5, "history.txt".into())
|
||||
.expect("Error configuring history with file"),
|
||||
);
|
||||
|
||||
let mut line_editor = Reedline::create().with_history(history);
|
||||
let prompt = DefaultPrompt::default();
|
||||
|
||||
loop {
|
||||
let sig = line_editor.read_line(&prompt)?;
|
||||
match sig {
|
||||
Signal::Success(buffer) => {
|
||||
println!("We processed: {}", buffer);
|
||||
}
|
||||
Signal::CtrlD | Signal::CtrlC => {
|
||||
println!("\nAborted!");
|
||||
break Ok(());
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
@ -22,6 +22,7 @@ use {
|
||||
};
|
||||
|
||||
fn main() -> Result<()> {
|
||||
println!("Ctrl-D to quit");
|
||||
// quick command like parameter handling
|
||||
let vi_mode = matches!(std::env::args().nth(1), Some(x) if x == "--vi");
|
||||
let args: Vec<String> = std::env::args().collect();
|
||||
|
Loading…
Reference in New Issue
Block a user