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StringResolvingMatchedTokenConsumer.java
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StringResolvingMatchedTokenConsumer.java
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/*
* This file is part of adventure, licensed under the MIT License.
*
* Copyright (c) 2017-2022 KyoriPowered
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
package net.kyori.adventure.text.minimessage.internal.parser.match;
import java.util.Objects;
import net.kyori.adventure.text.minimessage.internal.TagInternals;
import net.kyori.adventure.text.minimessage.internal.parser.TokenParser;
import net.kyori.adventure.text.minimessage.internal.parser.TokenParser.TagProvider;
import net.kyori.adventure.text.minimessage.internal.parser.TokenType;
import net.kyori.adventure.text.minimessage.tag.PreProcess;
import net.kyori.adventure.text.minimessage.tag.Tag;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
/**
* A matched token consumer that produces a string and returns a copy of the string with {@link PreProcess} tags resolved.
*
* @since 4.10.0
*/
public final class StringResolvingMatchedTokenConsumer extends MatchedTokenConsumer<String> {
private final StringBuilder builder;
private final TagProvider tagProvider;
/**
* Creates a string resolving matched token consumer.
*
* @param input the input
* @param tagProvider the resolver for argument-less tags
* @since 4.10.0
*/
public StringResolvingMatchedTokenConsumer(
final @NotNull String input,
final @NotNull TagProvider tagProvider
) {
super(input);
this.builder = new StringBuilder(input.length());
this.tagProvider = tagProvider;
}
@Override
public void accept(final int start, final int end, final @NotNull TokenType tokenType) {
super.accept(start, end, tokenType);
if (tokenType != TokenType.OPEN_TAG) {
// just add it normally, we don't care about other tags
this.builder.append(this.input, start, end);
} else {
// well, now we need to work out if it's a tag or a placeholder!
final String match = this.input.substring(start, end);
final String tag = this.input.substring(start + 1, end - 1);
// we might care if it's a valid tag!
if (TagInternals.sanitizeAndCheckValidTagName(tag)) {
// we might care if it's a pre-process!
final @Nullable Tag replacement = this.tagProvider.resolve(TokenParser.TagProvider.sanitizePlaceholderName(tag));
if (replacement instanceof PreProcess) {
this.builder.append(Objects.requireNonNull(((PreProcess) replacement).value(), "PreProcess replacements cannot return null"));
return;
}
}
// if we get here, the placeholder wasn't found or was null
this.builder.append(match);
}
}
@Override
public @NotNull String result() {
return this.builder.toString();
}
}