/*
 * Iris is a World Generator for Minecraft Bukkit Servers
 * Copyright (c) 2021 Arcane Arts (Volmit Software)
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <https://www.gnu.org/licenses/>.
 */

package com.volmit.iris.util.nbt.io;

import java.io.IOException;

public class ParseException extends IOException {

    public ParseException(String msg) {
        super(msg);
    }

    public ParseException(String msg, String value, int index) {
        super(msg + " at: " + formatError(value, index));
    }

    private static String formatError(String value, int index) {
        StringBuilder builder = new StringBuilder();
        int i = Math.min(value.length(), index);
        if (i > 35) {
            builder.append("...");
        }
        builder.append(value, Math.max(0, i - 35), i);
        builder.append("<--[HERE]");
        return builder.toString();
    }
}
