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// Copyright 2025-2026 Dillution <[email protected]>.
//
// This file is part of DPIBreak.
//
// DPIBreak is free software: you can redistribute it and/or modify it
// under the terms of the GNU General Public License as published by the
// Free Software Foundation, either version 3 of the License, or (at your
// option) any later version.
//
// DPIBreak is distributed in the hope that it will be useful, but WITHOUT
// ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
// FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
// for more details.
//
// You should have received a copy of the GNU General Public License
// along with DPIBreak. If not, see <https://www.gnu.org/licenses/>.
use std::fmt;
#[derive(Debug, Clone, Copy, PartialEq, Eq, PartialOrd, Ord)]
pub enum LogLevel {
Debug,
Info,
Warning,
Error, // Unrecoverable
}
impl fmt::Display for LogLevel {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
let p = match self {
LogLevel::Debug => "[DEBUG]",
LogLevel::Info => "[INFO]",
LogLevel::Warning => "[WARNING]",
LogLevel::Error => "[ERROR]",
};
write!(f, "{p}")
}
}
#[derive(Debug)]
pub struct ParseLogLevelError;
impl fmt::Display for ParseLogLevelError {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
write!(f, "invalid log level (use: debug|info|warn|warning|err|error)")
}
}
impl std::error::Error for ParseLogLevelError {}
impl std::str::FromStr for LogLevel {
type Err = ParseLogLevelError;
fn from_str(s: &str) -> Result<Self, Self::Err> {
match s.to_ascii_lowercase().as_str() {
"debug" => Ok(LogLevel::Debug),
"info" => Ok(LogLevel::Info),
"warn" | "warning" => Ok(LogLevel::Warning),
"err" | "error" => Ok(LogLevel::Error),
_ => Err(ParseLogLevelError),
}
}
}
#[cfg(unix)]
pub fn local_time() -> (i32, u8, u8, u8, u8, u8) {
unsafe {
let t = libc::time(std::ptr::null_mut());
let mut tm: libc::tm = std::mem::zeroed();
if t == -1 || libc::localtime_r(&t, &mut tm).is_null() {
return (0, 0, 0, 0, 0, 0);
};
(tm.tm_year + 1900, (tm.tm_mon + 1) as u8, tm.tm_mday as u8,
tm.tm_hour as u8, tm.tm_min as u8, tm.tm_sec as u8)
}
}
#[cfg(windows)]
pub fn local_time() -> (i32, u8, u8, u8, u8, u8) {
use std::mem::zeroed;
#[repr(C)]
struct SYSTEMTIME { y: u16, m: u16, _dow: u16, d: u16, h: u16, min: u16, s: u16, _ms: u16 }
unsafe extern "system" { fn GetLocalTime(st: *mut SYSTEMTIME); }
unsafe {
let mut st: SYSTEMTIME = zeroed();
GetLocalTime(&mut st);
(st.y as i32, st.m as u8, st.d as u8, st.h as u8, st.min as u8, st.s as u8)
}
}
#[macro_export]
macro_rules! log_println {
($level:expr, $($arg:tt)*) => {{
if $level >= crate::opt::log_level() {
let (y, mo, d, h, mi, s) = crate::log::local_time();
println!("{y:04}-{mo:02}-{d:02} {h:02}:{mi:02}:{s:02} {} {}",
$level, format_args!($($arg)*));
}
}};
}
#[macro_export]
macro_rules! debug {
($($arg:tt)*) => {
crate::log_println!(crate::log::LogLevel::Debug, $($arg)*)
}
}
#[macro_export]
macro_rules! info {
($($arg:tt)*) => {
crate::log_println!(crate::log::LogLevel::Info, $($arg)*)
}
}
#[macro_export]
macro_rules! warn {
($($arg:tt)*) => {
crate::log_println!(crate::log::LogLevel::Warning, $($arg)*)
}
}
#[macro_export]
macro_rules! error {
($($arg:tt)*) => {
crate::log_println!(crate::log::LogLevel::Error, $($arg)*)
}
}
#[macro_export]
macro_rules! splash {
($($arg:tt)*) => {{
if !crate::opt::no_splash() {
println!($($arg)*);
}
}};
}
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