ViaVersion/api/src/main/java/com/viaversion/viaversion/util/ChatColorUtil.java

78 lines
3.0 KiB
Java

/*
* This file is part of ViaVersion - https://github.com/ViaVersion/ViaVersion
* Copyright (C) 2016-2023 ViaVersion and contributors
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
package com.viaversion.viaversion.util;
import it.unimi.dsi.fastutil.ints.Int2IntMap;
import it.unimi.dsi.fastutil.ints.Int2IntOpenHashMap;
import java.util.regex.Pattern;
// Based on https://github.com/SpigotMC/BungeeCord/blob/master/chat/src/main/java/net/md_5/bungee/api/ChatColor.java
public class ChatColorUtil {
public static final String ALL_CODES = "0123456789AaBbCcDdEeFfKkLlMmNnOoRrXx";
public static final char COLOR_CHAR = '§';
public static final Pattern STRIP_COLOR_PATTERN = Pattern.compile("(?i)" + COLOR_CHAR + "[0-9A-FK-ORX]");
private static final Int2IntMap COLOR_ORDINALS = new Int2IntOpenHashMap();
private static int ordinalCounter;
static {
addColorOrdinal('0', '9');
addColorOrdinal('a', 'f');
addColorOrdinal('k', 'o');
addColorOrdinal('r');
}
public static boolean isColorCode(char c) {
return COLOR_ORDINALS.containsKey(c);
}
public static int getColorOrdinal(char c) {
return COLOR_ORDINALS.getOrDefault(c, -1);
}
public static String translateAlternateColorCodes(String s) {
char[] chars = s.toCharArray();
for (int i = 0; i < chars.length - 1; i++) {
if (chars[i] == '&' && ALL_CODES.indexOf(chars[i + 1]) > -1) {
chars[i] = COLOR_CHAR;
chars[i + 1] = Character.toLowerCase(chars[i + 1]);
}
}
return new String(chars);
}
public static String stripColor(final String input) {
return STRIP_COLOR_PATTERN.matcher(input).replaceAll("");
}
private static void addColorOrdinal(int from, int to) {
for (int c = from; c <= to; c++) {
addColorOrdinal(c);
}
}
private static void addColorOrdinal(int colorChar) {
COLOR_ORDINALS.put(colorChar, ordinalCounter++);
}
}