65 lines
2.4 KiB
Java
65 lines
2.4 KiB
Java
package net.minecraft.commands.arguments;
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import com.google.gson.JsonPrimitive;
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import com.mojang.brigadier.StringReader;
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import com.mojang.brigadier.arguments.ArgumentType;
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import com.mojang.brigadier.context.CommandContext;
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import com.mojang.brigadier.exceptions.CommandSyntaxException;
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import com.mojang.brigadier.exceptions.DynamicCommandExceptionType;
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import com.mojang.brigadier.suggestion.Suggestions;
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import com.mojang.brigadier.suggestion.SuggestionsBuilder;
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import com.mojang.serialization.Codec;
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import com.mojang.serialization.JsonOps;
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import java.util.Arrays;
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import java.util.Collection;
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import java.util.concurrent.CompletableFuture;
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import java.util.function.Supplier;
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import java.util.stream.Collectors;
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import net.minecraft.commands.SharedSuggestionProvider;
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import net.minecraft.network.chat.Component;
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import net.minecraft.util.StringRepresentable;
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public class StringRepresentableArgument<T extends Enum<T> & StringRepresentable> implements ArgumentType<T> {
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private static final DynamicCommandExceptionType ERROR_INVALID_VALUE = new DynamicCommandExceptionType(
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object -> Component.translatableEscape("argument.enum.invalid", object)
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);
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private final Codec<T> codec;
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private final Supplier<T[]> values;
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protected StringRepresentableArgument(Codec<T> codec, Supplier<T[]> values) {
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this.codec = codec;
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this.values = values;
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}
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public T parse(StringReader stringReader) throws CommandSyntaxException {
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String string = stringReader.readUnquotedString();
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return (T)this.codec
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.parse(JsonOps.INSTANCE, new JsonPrimitive(string))
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.result()
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.orElseThrow(() -> ERROR_INVALID_VALUE.createWithContext(stringReader, string));
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}
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@Override
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public <S> CompletableFuture<Suggestions> listSuggestions(CommandContext<S> commandContext, SuggestionsBuilder suggestionsBuilder) {
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return SharedSuggestionProvider.suggest(
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(Iterable<String>)Arrays.stream((Enum[])this.values.get())
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.map(object -> ((StringRepresentable)object).getSerializedName())
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.map(this::convertId)
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.collect(Collectors.toList()),
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suggestionsBuilder
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);
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}
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@Override
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public Collection<String> getExamples() {
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return (Collection<String>)Arrays.stream((Enum[])this.values.get())
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.map(object -> ((StringRepresentable)object).getSerializedName())
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.map(this::convertId)
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.limit(2L)
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.collect(Collectors.toList());
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}
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protected String convertId(String id) {
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return id;
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}
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}
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