73 lines
2.3 KiB
Java
73 lines
2.3 KiB
Java
/*
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* This file is part of PlaceholderAPI
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*
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* PlaceholderAPI
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* Copyright (c) 2015 - 2021 PlaceholderAPI Team
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*
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* PlaceholderAPI 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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* PlaceholderAPI 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 me.clip.placeholderapi.replacer;
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import java.util.function.Function;
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import java.util.regex.Matcher;
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import java.util.regex.Pattern;
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import me.clip.placeholderapi.expansion.PlaceholderExpansion;
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import org.bukkit.ChatColor;
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import org.bukkit.OfflinePlayer;
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import org.jetbrains.annotations.NotNull;
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import org.jetbrains.annotations.Nullable;
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public final class RegexReplacer implements Replacer {
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@NotNull
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private final Pattern pattern;
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public RegexReplacer(@NotNull final Closure closure) {
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this.pattern = Pattern.compile(String
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.format("\\%s((?<identifier>[a-zA-Z0-9]+)_)(?<parameters>[^%s%s]+)\\%s", closure.head,
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closure.head, closure.tail, closure.tail));
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}
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@NotNull
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@Override
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public String apply(@NotNull final String text, @Nullable final OfflinePlayer player,
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@NotNull final Function<String, @Nullable PlaceholderExpansion> lookup) {
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final Matcher matcher = pattern.matcher(text);
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if (!matcher.find()) {
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return text;
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}
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final StringBuffer builder = new StringBuffer();
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do {
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final String identifier = matcher.group("identifier");
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final String parameters = matcher.group("parameters");
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final PlaceholderExpansion expansion = lookup.apply(identifier);
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if (expansion == null) {
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continue;
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}
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final String requested = expansion.onRequest(player, parameters);
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matcher.appendReplacement(builder, requested != null ? requested : matcher.group(0));
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}
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while (matcher.find());
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return ChatColor.translateAlternateColorCodes('&', matcher.appendTail(builder).toString());
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}
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}
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