56 lines
1.7 KiB
Java
56 lines
1.7 KiB
Java
/*
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* This file is part of ViaVersion - https://github.com/ViaVersion/ViaVersion
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* Copyright (C) 2016-2024 ViaVersion 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 com.viaversion.viaversion.util;
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import it.unimi.dsi.fastutil.objects.Object2IntMap;
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import it.unimi.dsi.fastutil.objects.Object2IntOpenHashMap;
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import org.checkerframework.checker.nullness.qual.Nullable;
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public final class KeyMappings {
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private final Object2IntMap<String> keyToId;
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private final String[] keys;
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public KeyMappings(final String... keys) {
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this.keys = keys;
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keyToId = new Object2IntOpenHashMap<>(keys.length);
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for (int i = 0; i < keys.length; i++) {
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keyToId.put(keys[i], i);
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}
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}
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public @Nullable String idToKey(final int id) {
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if (id < 0 || id >= keys.length) {
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return null;
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}
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return keys[id];
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}
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public int keyToId(final String identifier) {
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return keyToId.getInt(Key.stripMinecraftNamespace(identifier));
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}
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public String[] keys() {
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return keys;
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}
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public int size() {
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return keys.length;
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}
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}
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