45 lines
1.1 KiB
Rust
45 lines
1.1 KiB
Rust
|
use dialoguer::{theme::ColorfulTheme, Completion, Input};
|
||
|
|
|
||
|
|
fn main() -> Result<(), std::io::Error> {
|
||
|
|
println!("Use the Right arrow or Tab to complete your command");
|
||
|
|
let completion = MyCompletion::default();
|
||
|
|
Input::<String>::with_theme(&ColorfulTheme::default())
|
||
|
|
.with_prompt("dialoguer")
|
||
|
|
.completion_with(&completion)
|
||
|
|
.interact_text()?;
|
||
|
|
Ok(())
|
||
|
|
}
|
||
|
|
|
||
|
|
struct MyCompletion {
|
||
|
|
options: Vec<String>,
|
||
|
|
}
|
||
|
|
|
||
|
|
impl Default for MyCompletion {
|
||
|
|
fn default() -> Self {
|
||
|
|
MyCompletion {
|
||
|
|
options: vec![
|
||
|
|
"orange".to_string(),
|
||
|
|
"apple".to_string(),
|
||
|
|
"banana".to_string(),
|
||
|
|
],
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
impl Completion for MyCompletion {
|
||
|
|
/// Simple completion implementation based on substring
|
||
|
|
fn get(&self, input: &str) -> Option<String> {
|
||
|
|
let matches = self
|
||
|
|
.options
|
||
|
|
.iter()
|
||
|
|
.filter(|option| option.starts_with(input))
|
||
|
|
.collect::<Vec<_>>();
|
||
|
|
|
||
|
|
if matches.len() == 1 {
|
||
|
|
Some(matches[0].to_string())
|
||
|
|
} else {
|
||
|
|
None
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|