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Make suggestions more robust.
And fix potential errors in the ^[] pattern parser.
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@ -19,7 +19,6 @@
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package com.sk89q.worldedit.extension.factory.parser.pattern;
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import com.google.common.base.Splitter;
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import com.sk89q.worldedit.WorldEdit;
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import com.sk89q.worldedit.command.util.SuggestionHelper;
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import com.sk89q.worldedit.extension.input.InputParseException;
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@ -32,6 +31,7 @@ import com.sk89q.worldedit.function.pattern.StateApplyingPattern;
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import com.sk89q.worldedit.function.pattern.TypeApplyingPattern;
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import com.sk89q.worldedit.internal.registry.InputParser;
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import java.util.HashMap;
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import java.util.Map;
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import java.util.stream.Stream;
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@ -82,10 +82,21 @@ public class TypeOrStateApplyingPatternParser extends InputParser<Pattern> {
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worldEdit.getBlockFactory().parseFromInput(type, context).getBlockType().getDefaultState());
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} else {
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// states given
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if (!parts[1].endsWith("]")) throw new InputParseException("Invalid state format.");
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Map<String, String> statesToSet = Splitter.on(',')
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.omitEmptyStrings().trimResults().withKeyValueSeparator('=')
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.split(parts[1].substring(0, parts[1].length() - 1));
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if (!parts[1].endsWith("]")) throw new InputParseException("State is missing trailing ']'");
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final String[] states = parts[1].substring(0, parts[1].length() - 1).split(",");
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Map<String, String> statesToSet = new HashMap<>();
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for (String state : states) {
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if (state.isEmpty()) throw new InputParseException("Empty part in state");
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String[] propVal = state.split("=", 2);
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if (propVal.length != 2) throw new InputParseException("Missing '=' separator");
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final String prop = propVal[0];
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if (prop.isEmpty()) throw new InputParseException("Empty property in state");
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final String value = propVal[1];
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if (value.isEmpty()) throw new InputParseException("Empty value in state");
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if (statesToSet.put(prop, value) != null) {
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throw new InputParseException("Duplicate properties in state");
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}
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}
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if (type.isEmpty()) {
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return new StateApplyingPattern(extent, statesToSet);
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} else {
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