mirror of
https://github.com/sharkdp/hexyl.git
synced 2026-10-26 20:16:34 +00:00
Dan Hipschman
9ef7c346dd
* Enable custom colors with environment variables * Rename HEXYL_XYZ env vars to HEXYL_COLOR_XYZ
110 lines
5.7 KiB
Rust
110 lines
5.7 KiB
Rust
use owo_colors::{colors, AnsiColors, Color, DynColors, OwoColorize};
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use std::str::FromStr;
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use std::sync::LazyLock;
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pub static COLOR_NULL: LazyLock<String> =
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LazyLock::new(|| init_color("NULL", AnsiColors::BrightBlack));
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pub static COLOR_OFFSET: LazyLock<String> =
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LazyLock::new(|| init_color("OFFSET", AnsiColors::BrightBlack));
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pub static COLOR_ASCII_PRINTABLE: LazyLock<String> =
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LazyLock::new(|| init_color("ASCII_PRINTABLE", AnsiColors::Cyan));
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pub static COLOR_ASCII_WHITESPACE: LazyLock<String> =
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LazyLock::new(|| init_color("ASCII_WHITESPACE", AnsiColors::Green));
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pub static COLOR_ASCII_OTHER: LazyLock<String> =
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LazyLock::new(|| init_color("ASCII_OTHER", AnsiColors::Green));
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pub static COLOR_NONASCII: LazyLock<String> =
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LazyLock::new(|| init_color("NONASCII", AnsiColors::Yellow));
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pub const COLOR_RESET: &str = colors::Default::ANSI_FG;
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fn init_color(name: &str, default_ansi: AnsiColors) -> String {
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let default = DynColors::Ansi(default_ansi);
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let env_var = format!("HEXYL_COLOR_{}", name);
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let color = match std::env::var(env_var).as_deref() {
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Ok(color) => match DynColors::from_str(color) {
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Ok(color) => color,
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_ => default,
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},
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_ => default,
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};
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// owo_colors' API isn't designed to get the terminal codes directly for
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// dynamic colors, so we use this hack to get them from the LHS of some text.
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format!("{}", "|".color(color))
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.split_once("|")
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.unwrap()
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.0
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.to_owned()
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}
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#[rustfmt::skip]
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pub const CP437: [char; 256] = [
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// Copyright (c) 2016, Delan Azabani <delan@azabani.com>
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//
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// Permission to use, copy, modify, and/or distribute this software for any
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// purpose with or without fee is hereby granted, provided that the above
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// copyright notice and this permission notice appear in all copies.
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//
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// THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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// WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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// MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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// ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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// WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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// ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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// OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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//
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// modified to use the ⋄ character instead of ␀
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// use https://en.wikipedia.org/w/index.php?title=Code_page_437&oldid=978947122
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// not ftp://ftp.unicode.org/Public/MAPPINGS/VENDORS/MICSFT/PC/CP437.TXT
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// because we want the graphic versions of 01h–1Fh + 7Fh
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'⋄','☺','☻','♥','♦','♣','♠','•','◘','○','◙','♂','♀','♪','♫','☼',
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'►','◄','↕','‼','¶','§','▬','↨','↑','↓','→','←','∟','↔','▲','▼',
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' ','!','"','#','$','%','&','\'','(',')','*','+',',','-','.','/',
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'0','1','2','3','4','5','6','7','8','9',':',';','<','=','>','?',
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'@','A','B','C','D','E','F','G','H','I','J','K','L','M','N','O',
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'P','Q','R','S','T','U','V','W','X','Y','Z','[','\\',']','^','_',
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'`','a','b','c','d','e','f','g','h','i','j','k','l','m','n','o',
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'p','q','r','s','t','u','v','w','x','y','z','{','|','}','~','⌂',
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'Ç','ü','é','â','ä','à','å','ç','ê','ë','è','ï','î','ì','Ä','Å',
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'É','æ','Æ','ô','ö','ò','û','ù','ÿ','Ö','Ü','¢','£','¥','₧','ƒ',
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'á','í','ó','ú','ñ','Ñ','ª','º','¿','⌐','¬','½','¼','¡','«','»',
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'░','▒','▓','│','┤','╡','╢','╖','╕','╣','║','╗','╝','╜','╛','┐',
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'└','┴','┬','├','─','┼','╞','╟','╚','╔','╩','╦','╠','═','╬','╧',
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'╨','╤','╥','╙','╘','╒','╓','╫','╪','┘','┌','█','▄','▌','▐','▀',
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'α','ß','Γ','π','Σ','σ','µ','τ','Φ','Θ','Ω','δ','∞','φ','ε','∩',
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'≡','±','≥','≤','⌠','⌡','÷','≈','°','∙','·','√','ⁿ','²','■','ff',
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];
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#[rustfmt::skip]
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pub const CP1047: [char; 256] = [
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//
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// Copyright (c) 2016,2024 IBM Corporation and other Contributors.
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//
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// All rights reserved. This program and the accompanying materials
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// are made available under the terms of the Eclipse Public License v1.0
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// which accompanies this distribution, and is available at
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// http://www.eclipse.org/legal/epl-v10.html
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//
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// Contributors:
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// Mark Taylor - Initial Contribution
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//
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// ref1 https://github.com/ibm-messaging/mq-smf-csv/blob/master/src/smfConv.c
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// ref2 https://web.archive.org/web/20150607033635/http://www-01.ibm.com/software/globalization/cp/cp01047.html
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'.','.','.','.','.','.','.','.','.','.','.','.','.','.','.','.',
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'.','.','.','.','.','.','.','.','.','.','.','.','.','.','.','.',
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'.','.','.','.','.','.','.','.','.','.','.','.','.','.','.','.',
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'.','.','.','.','.','.','.','.','.','.','.','.','.','.','.','.',
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' ','.','.','.','.','.','.','.','.','.','$','.','<','(','+','|',
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'&','.','.','.','.','.','.','.','.','.','!','$','*',')',';','.',
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'-','/','.','.','.','.','.','.','.','.','.',',','%','_','>','?',
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'.','.','.','.','.','.','.','.','.','.',':','#','@','\'','=','.',
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'.','a','b','c','d','e','f','g','h','i','.','{','.','(','+','.',
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'.','j','k','l','m','n','o','p','q','r','.','}','.',')','.','.',
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'.','~','s','t','u','v','w','x','y','z','.','.','.','.','.','.',
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'.','.','.','.','.','.','.','.','.','.','[',']','.','.','.','-',
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'{','A','B','C','D','E','F','G','H','I','.','.','.','.','.','.',
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'}','J','K','L','M','N','O','P','Q','R','.','.','.','.','.','.',
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'.','.','S','T','U','V','W','X','Y','Z','.','.','.','.','.','.',
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'0','1','2','3','4','5','6','7','8','9','.','.','.','.','.','.'
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];
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