cicada 1.2.2

A simple Bash-like Unix shell.
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43

mod main;
mod multilines;
mod preset;

use crate::libs;
use crate::shell;

use self::main::get_prompt_string;
use self::main::render_prompt;
pub use self::multilines::EnterFunction;

fn get_prompt_len(prompt: &str) -> i32 {
    let mut count = 0;
    let mut met_x01 = false;
    for c in prompt.chars() {
        if c == '\x01' {
            met_x01 = true;
            continue;
        } else if c == '\x02' {
            met_x01 = false;
            continue;
        }
        if !met_x01 {
            count += 1;
        }
    }
    count
}

pub fn get_prompt(sh: &shell::Shell) -> String {
    let ps = get_prompt_string();
    let mut prompt = render_prompt(sh, &ps);
    if let Some((w, _h)) = libs::term_size::dimensions() {
        if get_prompt_len(&prompt) > (w / 2) as i32
            && !libs::re::re_contains(&ps, r#"(?i)\$\{?newline.\}?"#)
        {
            prompt.push_str("\n$ ");
        }
    } else {
        log!("ERROR: Failed to get term size");
    }
    prompt
}