RoughlyEnoughItems/RoughlyEnoughItems-api/src/main/java/me/shedaniel/rei/utils/FormattingUtils.java

/*
 * This file is licensed under the MIT License, part of Roughly Enough Items.
 * Copyright (c) 2018, 2019, 2020 shedaniel
 *
 * 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 me.shedaniel.rei.utils;

public final class FormattingUtils {
    public static String stripFormatting(String string) {
        StringBuilder builder = new StringBuilder();
        boolean lastSpecial = false;
        for (char c : string.toCharArray()) {
            if (lastSpecial) {
                lastSpecial = false;
                if (!((c >= '0' && c <= '9') || (c >= 'a' && c <= 'f') || c == 'r' || (c >= 'A' && c <= 'F') || c == 'R')) {
                    builder.append('§');
                    builder.append(c);
                }
            } else if (c == '§') {
                lastSpecial = true;
            } else {
                builder.append(c);
            }
        }
        if (lastSpecial) {
            builder.append('§');
        }
        return builder.toString();
    }
}