tikz-gallery-generator

001
002
003
004
005
006
007
008
009
010
011
012
013
014
015
016
017
018
019
020
021
022
023
024
025
026
027
028
029
030
031
032
033
034
035
036
037
038
039
040
041
042
043
044
045
046
047
048
049
050
051
052
053
054
055
056
057
058
059
060
061
062
063
064
065
066
067
068
069
070
071
072
073
074
075
076
077
078
079
080
081
082
083
084
085
086
087
088
089
090
091
092
093
094
095
096
097
098
099
100
101
102
103
104
105

//! Macros and functions for logging.
//!
//! This implementation is NOT thread safe: the only logging which does not
//! happen on the main thread are thumbnail rendering error, which do not
//! require synchronization because they happen right before the entire
//! application is killed.

use std::{fmt::{Display, Arguments}, time::Duration};

const BOLD_RED:    &str = "\u{001b}[1;31m";
const BOLD_GREEN:  &str = "\u{001b}[1;32m";
const BOLD_YELLOW: &str = "\u{001b}[1;33m";
const BOLD_BLUE:   &str = "\u{001b}[1;34m";
const BOLD_WHITE:  &str = "\u{001b}[1;37m";
const RESET:       &str = "\u{001b}[0m";

const PROGRAM_VERSION: &str = env!("CARGO_PKG_VERSION");

#[derive(Clone, Copy, Debug)]
pub(crate) enum Level {
  Error,
  Info,
  Warn,
}

#[macro_export]
macro_rules! infoln {
  // infoln!("a {} event", "log");
  ($($arg:tt)+) => ({
    $crate::log::log(
      $crate::log::Level::Info,
      &std::format_args!($($arg)+),
    );
  });
}

#[macro_export]
macro_rules! errorln {
  // errorln!("a {} event", "log");
  ($($arg:tt)+) => ({
    $crate::log::log(
      $crate::log::Level::Error,
      &std::format_args!($($arg)+),
    );
  });
}

#[macro_export]
macro_rules! warnln {
  // warnln!("a {} event", "log");
  ($($arg:tt)+) => ({
    $crate::log::log(
      $crate::log::Level::Warn,
      &std::format_args!($($arg)+),
    );
  });
}

pub fn finished(duration: Duration) {
  let millis = duration.as_millis();

  println!("  {BOLD_GREEN}Finished{RESET} Rendering took {millis}ms");
}

#[cfg(target_arch = "x86_64")]
pub fn version(program_name: &str) {
  if is_x86_feature_detected!("ssse3") {
    infoln!("Running {BOLD_WHITE}{program_name} {PROGRAM_VERSION}{RESET} (SIMD optimizations enabled)");
  } else {
    infoln!("Running {BOLD_WHITE}{program_name} {PROGRAM_VERSION}{RESET}");
  }
}

#[cfg(not(target_arch = "x86_64"))]
pub fn version(program_name: &str) {
  infoln!("Running {BOLD_WHITE}{program_name} {PROGRAM_VERSION}{RESET}");
}

pub fn usage(program: &str) {
  use crate::{FULL_BUILD_OPT, N_THREADS_OPT};
  println!("     {BOLD_YELLOW}Usage{RESET} {program} [{FULL_BUILD_OPT}] [{N_THREADS_OPT} <jobs>] <config.yml>");
}

pub fn usage_config() {
  println!("     {BOLD_YELLOW}Usage{RESET} See `examples/config.yaml` for an example of configuration file");
}

/// Logs the fact a rendering job just finished
pub fn job_finished<T: Display + ?Sized>(job_name: &T) {
  println!("  {BOLD_GREEN}Rendered{RESET} {job_name}");
}

pub(crate) fn log(level: Level, args: &Arguments<'_>) {
  match level {
    Level::Error => {
      eprintln!("     {BOLD_RED}Error{RESET} {args}");
    }
    Level::Info => {
      println!("      {BOLD_BLUE}Info{RESET} {args}");
    }
    Level::Warn => {
      println!("   {BOLD_YELLOW}Warning{RESET} {args}");
    }
  }
}