ghost_sync/
log.rs

1use colored::{ColoredString, Colorize};
2use std::env;
3use std::sync::LazyLock;
4
5static GHOSTSYNC_LOG_LEVEL: LazyLock<Level> = LazyLock::new(Level::from_env);
6
7#[derive(Debug, Clone, Copy, PartialEq, Eq, PartialOrd, Ord)]
8pub enum Level {
9    Trace = 0,
10    Debug = 1,
11    Info = 2,
12    Warn = 3,
13    Error = 4,
14}
15
16impl Level {
17    fn from_env() -> Self {
18        dotenv::dotenv().ok();
19
20        env::var("LOG_LEVEL")
21            .ok()
22            .and_then(|s| match s.to_lowercase().as_str() {
23                "trace" => Some(Level::Trace),
24                "debug" => Some(Level::Debug),
25                "info" => Some(Level::Info),
26                "warn" => Some(Level::Warn),
27                "error" => Some(Level::Error),
28                _ => None,
29            })
30            .unwrap_or(Level::Info)
31    }
32}
33
34#[inline]
35fn should_log(level: Level) -> bool {
36    level >= *GHOSTSYNC_LOG_LEVEL
37}
38
39#[inline]
40pub fn log(level: Level, msg: ColoredString) {
41    if !should_log(level) {
42        return;
43    }
44
45    let now = chrono::Local::now();
46
47    let level_str = match level {
48        Level::Trace => "TRACE".dimmed(),
49        Level::Debug => "DEBUG".blue().bold(),
50        Level::Info => "INFO".green().bold(),
51        Level::Warn => "WARN".yellow().bold(),
52        Level::Error => "ERROR".red().bold(),
53    };
54
55    println!("[{}][{}] {}", now.format("%H:%M:%S"), level_str, msg);
56}
57
58#[macro_export]
59macro_rules! trace {
60    ($($arg:tt)*) => {
61        {
62            use colored::Colorize;
63            $crate::log::log($crate::log::Level::Trace, format!($($arg)*).dimmed())
64        }
65    };
66}
67
68#[macro_export]
69macro_rules! debug {
70    ($($arg:tt)*) => {
71        {
72            use colored::Colorize;
73            $crate::log::log($crate::log::Level::Debug, format!($($arg)*).blue())
74        }
75    };
76}
77
78#[macro_export]
79macro_rules! info {
80    ($($arg:tt)*) => {
81        {
82            use colored::Colorize;
83            $crate::log::log($crate::log::Level::Info, format!($($arg)*).green())
84        }
85    };
86}
87
88#[macro_export]
89macro_rules! warn {
90    ($($arg:tt)*) => {
91        {
92            use colored::Colorize;
93            $crate::log::log($crate::log::Level::Warn, format!($($arg)*).yellow())
94        }
95    };
96}
97
98#[macro_export]
99macro_rules! error {
100    ($($arg:tt)*) => {
101        {
102            use colored::Colorize;
103            $crate::log::log($crate::log::Level::Error, format!($($arg)*).red())
104        }
105    };
106}
ghost_sync/log.rs

ghost_sync/
log.rs
