summaryrefslogtreecommitdiffstats
path: root/src/utils/mod.rs
blob: 9e999d46aed79ac832935b9050c39b7c0231f04c (plain) (blame)
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
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
mod split_line;
mod tiktoken;

pub use self::split_line::*;
pub use self::tiktoken::cl100k_base_singleton;

use chrono::prelude::*;
use std::io::{stdout, Write};

#[macro_export]
macro_rules! print_now {
    ($($arg:tt)*) => {
        $crate::utils::print_now(&format!($($arg)*))
    };
}

pub fn print_now<T: ToString>(text: &T) {
    print!("{}", text.to_string());
    let _ = stdout().flush();
}

pub fn now() -> String {
    let now = Local::now();
    now.to_rfc3339_opts(SecondsFormat::Secs, false)
}

pub fn get_env_name(key: &str) -> String {
    format!(
        "{}_{}",
        env!("CARGO_CRATE_NAME").to_ascii_uppercase(),
        key.to_ascii_uppercase(),
    )
}

/// Split text to tokens
pub fn tokenize(text: &str) -> Vec<String> {
    let tokens = cl100k_base_singleton().lock().tokenize(text);
    tokens.into_iter().map(|(_, text)| text).collect()
}

/// Count how many tokens a piece of text needs to consume
pub fn count_tokens(text: &str) -> usize {
    cl100k_base_singleton()
        .lock()
        .encode_with_special_tokens(text)
        .len()
}

pub fn light_theme_from_colorfgbg(colorfgbg: &str) -> Option<bool> {
    let parts: Vec<_> = colorfgbg.split(';').collect();
    let bg = match parts.len() {
        2 => &parts[1],
        3 => &parts[2],
        _ => {
            return None;
        }
    };
    let bg = bg.parse::<u8>().ok()?;
    let (r, g, b) = ansi_colours::rgb_from_ansi256(bg);

    let v = 0.2126 * r as f32 + 0.7152 * g as f32 + 0.0722 * b as f32;

    let light = v > 128.0;
    Some(light)
}