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73 lines
2.7 KiB
Java
73 lines
2.7 KiB
Java
/*
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* WorldEdit, a Minecraft world manipulation toolkit
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* Copyright (C) sk89q <http://www.sk89q.com>
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* Copyright (C) WorldEdit team and contributors
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*
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* This program is free software: you can redistribute it and/or modify it
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* under the terms of the GNU Lesser General Public License as published by the
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* 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, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License
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* for more details.
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*
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* You should have received a copy of the GNU Lesser 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.sk89q.worldedit.extension.factory.parser.pattern;
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import com.sk89q.util.StringUtil;
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import com.sk89q.worldedit.WorldEdit;
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import com.sk89q.worldedit.extension.factory.BlockFactory;
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import com.sk89q.worldedit.extension.input.InputParseException;
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import com.sk89q.worldedit.extension.input.ParserContext;
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import com.sk89q.worldedit.function.pattern.Pattern;
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import com.sk89q.worldedit.function.pattern.RandomPattern;
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import com.sk89q.worldedit.internal.registry.InputParser;
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import java.util.List;
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public class RandomPatternParser extends InputParser<Pattern> {
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public RandomPatternParser(WorldEdit worldEdit) {
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super(worldEdit);
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}
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@Override
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public Pattern parseFromInput(String input, ParserContext context) throws InputParseException {
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RandomPattern randomPattern = new RandomPattern();
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String[] splits = input.split(",");
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List<String> patterns = StringUtil.parseListInQuotes(splits, ',', '[', ']');
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if (patterns.size() == 1) {
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return null; // let a 'single'-pattern parser handle it
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}
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for (String token : patterns) {
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double chance;
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Pattern innerPattern;
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// Parse special percentage syntax
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if (token.matches("[0-9]+(\\.[0-9]*)?%.*")) {
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String[] p = token.split("%");
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if (p.length < 2) {
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throw new InputParseException("Missing the type after the % symbol for '" + input + "'");
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} else {
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chance = Double.parseDouble(p[0]);
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innerPattern = worldEdit.getPatternFactory().parseFromInput(p[1], context);
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}
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} else {
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chance = 1;
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innerPattern = worldEdit.getPatternFactory().parseFromInput(token, context);
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}
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randomPattern.add(innerPattern, chance);
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}
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return randomPattern;
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}
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}
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