44 lines
1.8 KiB
Java
44 lines
1.8 KiB
Java
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package net.minecraft.util.parsing.packrat.commands;
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import com.mojang.brigadier.ImmutableStringReader;
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import com.mojang.brigadier.StringReader;
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import com.mojang.brigadier.exceptions.CommandSyntaxException;
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import javax.annotation.Nullable;
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import net.minecraft.resources.ResourceLocation;
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import net.minecraft.util.parsing.packrat.DelayedException;
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import net.minecraft.util.parsing.packrat.NamedRule;
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import net.minecraft.util.parsing.packrat.ParseState;
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import net.minecraft.util.parsing.packrat.Rule;
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public abstract class ResourceLookupRule<C, V> implements Rule<StringReader, V>, ResourceSuggestion {
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private final NamedRule<StringReader, ResourceLocation> idParser;
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protected final C context;
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private final DelayedException<CommandSyntaxException> error;
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protected ResourceLookupRule(NamedRule<StringReader, ResourceLocation> p_397427_, C p_330414_) {
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this.idParser = p_397427_;
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this.context = p_330414_;
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this.error = DelayedException.create(ResourceLocation.ERROR_INVALID);
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}
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@Nullable
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@Override
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public V parse(ParseState<StringReader> p_332578_) {
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p_332578_.input().skipWhitespace();
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int i = p_332578_.mark();
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ResourceLocation resourcelocation = p_332578_.parse(this.idParser);
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if (resourcelocation != null) {
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try {
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return this.validateElement(p_332578_.input(), resourcelocation);
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} catch (Exception exception) {
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p_332578_.errorCollector().store(i, this, exception);
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return null;
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}
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} else {
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p_332578_.errorCollector().store(i, this, this.error);
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return null;
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}
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}
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protected abstract V validateElement(ImmutableStringReader p_336199_, ResourceLocation p_330230_) throws Exception;
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}
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