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Merge c95f52a303 into 0a9eb447d6

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Wyatt Childers 2023-10-22 14:47:34 +01:00 committed by GitHub
parent 0a9eb447d6 c95f52a303
commit 754e10d5fd
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 30 additions and 1 deletions
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31
worldguard-core/src/main/java/com/sk89q/worldguard/protection/flags/SetFlag.java
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@ -20,12 +20,16 @@
package com.sk89q.worldguard.protection.flags;
import com.google.common.collect.Sets;
import com.sk89q.worldguard.protection.regions.ProtectedRegion;
import java.util.ArrayList;
import java.util.Collection;
import java.util.HashSet;
import java.util.List;
import java.util.Objects;
import java.util.Set;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import static java.util.Objects.requireNonNull;
@ -34,6 +38,9 @@ import static java.util.Objects.requireNonNull;
*/
public class SetFlag<T> extends Flag<Set<T>> {
private static final Pattern ANY_MODIFIER = Pattern.compile("^(add|sub|subtract|rem|remove) (.*)$");
private static final Pattern REMOVE_MODIFIERS = Pattern.compile("^(sub|subtract|rem|remove) (.*)$");
private Flag<T> subFlag;
public SetFlag(String name, RegionGroup defaultGroup, Flag<T> subFlag) {
@ -64,10 +71,32 @@ public class SetFlag<T> extends Flag<Set<T>> {
return Sets.newHashSet();
} else {
Set<T> items = Sets.newHashSet();
boolean subtractive = false;
// If the input starts with particular keywords, attempt to load the existing values,
// and make this a modification, instead of an overwrite.
Matcher keywordMatcher = ANY_MODIFIER.matcher(input);
if (keywordMatcher.matches()) {
ProtectedRegion region = Objects.requireNonNull((ProtectedRegion) context.get("region"));
Set<T> existingValue = region.getFlag(this);
if (existingValue != null) {
items.addAll(existingValue);
}
subtractive = REMOVE_MODIFIERS.matcher(input).matches();
input = keywordMatcher.group(2);
}
for (String str : input.split(",")) {
FlagContext copy = context.copyWith(null, str, null);
items.add(subFlag.parseInput(copy));
T subFlagValue = subFlag.parseInput(copy);
if (subtractive) {
items.remove(subFlagValue);
} else {
items.add(subFlagValue);
}
}
return items;