105 lines
4.2 KiB
Java
105 lines
4.2 KiB
Java
/*
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* This file is part of ViaProxy - https://github.com/RaphiMC/ViaProxy
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* Copyright (C) 2023 RK_01/RaphiMC and contributors
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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package net.raphimc.viaproxy.cli;
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public class ConsoleFormatter {
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private static final String PREFIX = "\033[";
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private static final String SUFFIX = "m";
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public static String convert(final String s) {
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StringBuilder out = new StringBuilder();
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char[] chars = s.toCharArray();
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for (int i = 0; i < chars.length; i++) {
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char c = chars[i];
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char next = i + 1 < chars.length ? chars[i + 1] : '\0';
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if (c == '§') {
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if (next != '\0') {
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if (isColor(next)) out.append(convertToAnsi('r'));
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out.append(convertToAnsi(next));
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i++;
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}
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} else {
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out.append(c);
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}
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}
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return out + convertToAnsi('r');
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}
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//The ANSI codes are an approximation. True color is used to get the exact color.
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private static String convertToAnsi(final char color) {
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switch (Character.toLowerCase(color)) {
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case '0': //Black
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return PREFIX + getColor("30", 0x00_00_00) + SUFFIX;
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case '1': //Dark Blue
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return PREFIX + getColor("34", 0x00_00_AA) + SUFFIX;
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case '2': //Dark Green
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return PREFIX + getColor("32", 0x00_AA_00) + SUFFIX;
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case '3': //Dark Aqua
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return PREFIX + getColor("36", 0x00_AA_AA) + SUFFIX;
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case '4': //Dark Red
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return PREFIX + getColor("31", 0xAA_00_00) + SUFFIX;
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case '5': //Dark Purple
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return PREFIX + getColor("35", 0xAA_00_AA) + SUFFIX;
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case '6': //Gold
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return PREFIX + getColor("33", 0xFF_AA_00) + SUFFIX;
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case '7': //Gray
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return PREFIX + getColor("37", 0xAA_AA_AA) + SUFFIX;
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case '8': //Dark Gray
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return PREFIX + getColor("90", 0x55_55_55) + SUFFIX;
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case '9': //Blue
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return PREFIX + getColor("94", 0x55_55_FF) + SUFFIX;
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case 'a': //Green
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return PREFIX + getColor("92", 0x55_FF_55) + SUFFIX;
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case 'b': //Aqua
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return PREFIX + getColor("96", 0x55_FF_FF) + SUFFIX;
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case 'c': //Red
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return PREFIX + getColor("91", 0xFF_55_55) + SUFFIX;
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case 'd': //Light Purple
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return PREFIX + getColor("95", 0xFF_55_FF) + SUFFIX;
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case 'e': //Yellow
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return PREFIX + getColor("93", 0xFF_FF_55) + SUFFIX;
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case 'f': //White
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return PREFIX + getColor("97", 0xFF_FF_FF) + SUFFIX;
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case 'k': //Obfuscated
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return ""; //Not supported in terminal
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case 'l': //Bold
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return PREFIX + "1" + SUFFIX;
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case 'm': //Strikethrough
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return PREFIX + "9" + SUFFIX;
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case 'n': //Underline
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return PREFIX + "4" + SUFFIX;
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case 'o': //Italic
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return PREFIX + "3" + SUFFIX;
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case 'r': //Reset
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default:
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return PREFIX + 0 + SUFFIX;
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}
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}
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private static boolean isColor(char color) {
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color = Character.toLowerCase(color);
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return color >= '0' && color <= '9' || color >= 'a' && color <= 'f';
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}
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private static String getColor(final String ansi, final int rgb) {
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return String.format("38;2;%d;%d;%d", (rgb >> 16) & 255, (rgb >> 8) & 255, rgb & 255);
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}
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}
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