2025-11-24 22:52:51 +03:00

316 lines
15 KiB
Java

/*
* Decompiled with CFR 0.152.
*
* Could not load the following classes:
* com.mojang.brigadier.ImmutableStringReader
* com.mojang.brigadier.Message
* com.mojang.brigadier.StringReader
* com.mojang.brigadier.exceptions.CommandSyntaxException
* com.mojang.brigadier.exceptions.Dynamic2CommandExceptionType
* com.mojang.brigadier.exceptions.DynamicCommandExceptionType
* com.mojang.brigadier.exceptions.SimpleCommandExceptionType
* com.mojang.brigadier.suggestion.Suggestions
* com.mojang.brigadier.suggestion.SuggestionsBuilder
* com.mojang.serialization.DataResult
* it.unimi.dsi.fastutil.objects.ReferenceArraySet
* org.apache.commons.lang3.mutable.MutableObject
* org.jspecify.annotations.Nullable
*/
package net.minecraft.commands.arguments.item;
import com.mojang.brigadier.ImmutableStringReader;
import com.mojang.brigadier.Message;
import com.mojang.brigadier.StringReader;
import com.mojang.brigadier.exceptions.CommandSyntaxException;
import com.mojang.brigadier.exceptions.Dynamic2CommandExceptionType;
import com.mojang.brigadier.exceptions.DynamicCommandExceptionType;
import com.mojang.brigadier.exceptions.SimpleCommandExceptionType;
import com.mojang.brigadier.suggestion.Suggestions;
import com.mojang.brigadier.suggestion.SuggestionsBuilder;
import com.mojang.serialization.DataResult;
import it.unimi.dsi.fastutil.objects.ReferenceArraySet;
import java.util.Locale;
import java.util.Objects;
import java.util.concurrent.CompletableFuture;
import java.util.function.Function;
import net.minecraft.commands.SharedSuggestionProvider;
import net.minecraft.core.Holder;
import net.minecraft.core.HolderLookup;
import net.minecraft.core.component.DataComponentPatch;
import net.minecraft.core.component.DataComponentType;
import net.minecraft.core.component.PatchedDataComponentMap;
import net.minecraft.core.registries.BuiltInRegistries;
import net.minecraft.core.registries.Registries;
import net.minecraft.nbt.NbtOps;
import net.minecraft.nbt.Tag;
import net.minecraft.nbt.TagParser;
import net.minecraft.network.chat.Component;
import net.minecraft.resources.Identifier;
import net.minecraft.resources.RegistryOps;
import net.minecraft.resources.ResourceKey;
import net.minecraft.util.Unit;
import net.minecraft.world.item.Item;
import net.minecraft.world.item.ItemStack;
import org.apache.commons.lang3.mutable.MutableObject;
import org.jspecify.annotations.Nullable;
public class ItemParser {
private static final DynamicCommandExceptionType ERROR_UNKNOWN_ITEM = new DynamicCommandExceptionType(id -> Component.translatableEscape("argument.item.id.invalid", id));
private static final DynamicCommandExceptionType ERROR_UNKNOWN_COMPONENT = new DynamicCommandExceptionType(id -> Component.translatableEscape("arguments.item.component.unknown", id));
private static final Dynamic2CommandExceptionType ERROR_MALFORMED_COMPONENT = new Dynamic2CommandExceptionType((type, message) -> Component.translatableEscape("arguments.item.component.malformed", type, message));
private static final SimpleCommandExceptionType ERROR_EXPECTED_COMPONENT = new SimpleCommandExceptionType((Message)Component.translatable("arguments.item.component.expected"));
private static final DynamicCommandExceptionType ERROR_REPEATED_COMPONENT = new DynamicCommandExceptionType(id -> Component.translatableEscape("arguments.item.component.repeated", id));
private static final DynamicCommandExceptionType ERROR_MALFORMED_ITEM = new DynamicCommandExceptionType(id -> Component.translatableEscape("arguments.item.malformed", id));
public static final char SYNTAX_START_COMPONENTS = '[';
public static final char SYNTAX_END_COMPONENTS = ']';
public static final char SYNTAX_COMPONENT_SEPARATOR = ',';
public static final char SYNTAX_COMPONENT_ASSIGNMENT = '=';
public static final char SYNTAX_REMOVED_COMPONENT = '!';
private static final Function<SuggestionsBuilder, CompletableFuture<Suggestions>> SUGGEST_NOTHING = SuggestionsBuilder::buildFuture;
private final HolderLookup.RegistryLookup<Item> items;
private final RegistryOps<Tag> registryOps;
private final TagParser<Tag> tagParser;
public ItemParser(HolderLookup.Provider registries) {
this.items = registries.lookupOrThrow(Registries.ITEM);
this.registryOps = registries.createSerializationContext(NbtOps.INSTANCE);
this.tagParser = TagParser.create(this.registryOps);
}
/*
* Issues handling annotations - annotations may be inaccurate
*/
public ItemResult parse(StringReader reader) throws CommandSyntaxException {
final @Nullable MutableObject itemResult = new MutableObject();
final DataComponentPatch.Builder componentsBuilder = DataComponentPatch.builder();
this.parse(reader, new Visitor(){
@Override
public void visitItem(Holder<Item> item) {
itemResult.setValue(item);
}
@Override
public <T> void visitComponent(DataComponentType<T> type, T value) {
componentsBuilder.set(type, value);
}
@Override
public <T> void visitRemovedComponent(DataComponentType<T> type) {
componentsBuilder.remove(type);
}
});
Holder item = Objects.requireNonNull((Holder)itemResult.get(), "Parser gave no item");
DataComponentPatch components = componentsBuilder.build();
ItemParser.validateComponents(reader, item, components);
return new ItemResult(item, components);
}
private static void validateComponents(StringReader reader, Holder<Item> item, DataComponentPatch components) throws CommandSyntaxException {
PatchedDataComponentMap patchedComponents = PatchedDataComponentMap.fromPatch(item.value().components(), components);
DataResult<Unit> result = ItemStack.validateComponents(patchedComponents);
result.getOrThrow(error -> ERROR_MALFORMED_ITEM.createWithContext((ImmutableStringReader)reader, error));
}
public void parse(StringReader reader, Visitor visitor) throws CommandSyntaxException {
int cursor = reader.getCursor();
try {
new State(reader, visitor).parse();
}
catch (CommandSyntaxException e) {
reader.setCursor(cursor);
throw e;
}
}
public CompletableFuture<Suggestions> fillSuggestions(SuggestionsBuilder builder) {
StringReader reader = new StringReader(builder.getInput());
reader.setCursor(builder.getStart());
SuggestionsVisitor handler = new SuggestionsVisitor();
State state = new State(reader, handler);
try {
state.parse();
}
catch (CommandSyntaxException commandSyntaxException) {
// empty catch block
}
return handler.resolveSuggestions(builder, reader);
}
public static interface Visitor {
default public void visitItem(Holder<Item> item) {
}
default public <T> void visitComponent(DataComponentType<T> type, T value) {
}
default public <T> void visitRemovedComponent(DataComponentType<T> type) {
}
default public void visitSuggestions(Function<SuggestionsBuilder, CompletableFuture<Suggestions>> suggestions) {
}
}
public record ItemResult(Holder<Item> item, DataComponentPatch components) {
}
private class State {
private final StringReader reader;
private final Visitor visitor;
private State(StringReader reader, Visitor visitor) {
this.reader = reader;
this.visitor = visitor;
}
public void parse() throws CommandSyntaxException {
this.visitor.visitSuggestions(this::suggestItem);
this.readItem();
this.visitor.visitSuggestions(this::suggestStartComponents);
if (this.reader.canRead() && this.reader.peek() == '[') {
this.visitor.visitSuggestions(SUGGEST_NOTHING);
this.readComponents();
}
}
private void readItem() throws CommandSyntaxException {
int cursor = this.reader.getCursor();
Identifier id = Identifier.read(this.reader);
this.visitor.visitItem((Holder<Item>)ItemParser.this.items.get(ResourceKey.create(Registries.ITEM, id)).orElseThrow(() -> {
this.reader.setCursor(cursor);
return ERROR_UNKNOWN_ITEM.createWithContext((ImmutableStringReader)this.reader, (Object)id);
}));
}
private void readComponents() throws CommandSyntaxException {
this.reader.expect('[');
this.visitor.visitSuggestions(this::suggestComponentAssignmentOrRemoval);
ReferenceArraySet visitedComponents = new ReferenceArraySet();
while (this.reader.canRead() && this.reader.peek() != ']') {
this.reader.skipWhitespace();
if (this.reader.canRead() && this.reader.peek() == '!') {
this.reader.skip();
this.visitor.visitSuggestions(this::suggestComponent);
componentType = State.readComponentType(this.reader);
if (!visitedComponents.add(componentType)) {
throw ERROR_REPEATED_COMPONENT.create(componentType);
}
this.visitor.visitRemovedComponent(componentType);
this.visitor.visitSuggestions(SUGGEST_NOTHING);
this.reader.skipWhitespace();
} else {
componentType = State.readComponentType(this.reader);
if (!visitedComponents.add(componentType)) {
throw ERROR_REPEATED_COMPONENT.create(componentType);
}
this.visitor.visitSuggestions(this::suggestAssignment);
this.reader.skipWhitespace();
this.reader.expect('=');
this.visitor.visitSuggestions(SUGGEST_NOTHING);
this.reader.skipWhitespace();
this.readComponent(ItemParser.this.tagParser, ItemParser.this.registryOps, componentType);
this.reader.skipWhitespace();
}
this.visitor.visitSuggestions(this::suggestNextOrEndComponents);
if (!this.reader.canRead() || this.reader.peek() != ',') break;
this.reader.skip();
this.reader.skipWhitespace();
this.visitor.visitSuggestions(this::suggestComponentAssignmentOrRemoval);
if (this.reader.canRead()) continue;
throw ERROR_EXPECTED_COMPONENT.createWithContext((ImmutableStringReader)this.reader);
}
this.reader.expect(']');
this.visitor.visitSuggestions(SUGGEST_NOTHING);
}
public static DataComponentType<?> readComponentType(StringReader reader) throws CommandSyntaxException {
if (!reader.canRead()) {
throw ERROR_EXPECTED_COMPONENT.createWithContext((ImmutableStringReader)reader);
}
int cursor = reader.getCursor();
Identifier id = Identifier.read(reader);
DataComponentType<?> component = BuiltInRegistries.DATA_COMPONENT_TYPE.getValue(id);
if (component == null || component.isTransient()) {
reader.setCursor(cursor);
throw ERROR_UNKNOWN_COMPONENT.createWithContext((ImmutableStringReader)reader, (Object)id);
}
return component;
}
private <T, O> void readComponent(TagParser<O> tagParser, RegistryOps<O> registryOps, DataComponentType<T> componentType) throws CommandSyntaxException {
int cursor = this.reader.getCursor();
O tag = tagParser.parseAsArgument(this.reader);
DataResult result = componentType.codecOrThrow().parse(registryOps, tag);
this.visitor.visitComponent(componentType, result.getOrThrow(message -> {
this.reader.setCursor(cursor);
return ERROR_MALFORMED_COMPONENT.createWithContext((ImmutableStringReader)this.reader, (Object)componentType.toString(), message);
}));
}
private CompletableFuture<Suggestions> suggestStartComponents(SuggestionsBuilder builder) {
if (builder.getRemaining().isEmpty()) {
builder.suggest(String.valueOf('['));
}
return builder.buildFuture();
}
private CompletableFuture<Suggestions> suggestNextOrEndComponents(SuggestionsBuilder builder) {
if (builder.getRemaining().isEmpty()) {
builder.suggest(String.valueOf(','));
builder.suggest(String.valueOf(']'));
}
return builder.buildFuture();
}
private CompletableFuture<Suggestions> suggestAssignment(SuggestionsBuilder builder) {
if (builder.getRemaining().isEmpty()) {
builder.suggest(String.valueOf('='));
}
return builder.buildFuture();
}
private CompletableFuture<Suggestions> suggestItem(SuggestionsBuilder builder) {
return SharedSuggestionProvider.suggestResource(ItemParser.this.items.listElementIds().map(ResourceKey::identifier), builder);
}
private CompletableFuture<Suggestions> suggestComponentAssignmentOrRemoval(SuggestionsBuilder builder) {
builder.suggest(String.valueOf('!'));
return this.suggestComponent(builder, String.valueOf('='));
}
private CompletableFuture<Suggestions> suggestComponent(SuggestionsBuilder builder) {
return this.suggestComponent(builder, "");
}
private CompletableFuture<Suggestions> suggestComponent(SuggestionsBuilder builder, String suffix) {
String contents = builder.getRemaining().toLowerCase(Locale.ROOT);
SharedSuggestionProvider.filterResources(BuiltInRegistries.DATA_COMPONENT_TYPE.entrySet(), contents, entry -> ((ResourceKey)entry.getKey()).identifier(), entry -> {
DataComponentType type = (DataComponentType)entry.getValue();
if (type.codec() != null) {
Identifier id = ((ResourceKey)entry.getKey()).identifier();
builder.suggest(String.valueOf(id) + suffix);
}
});
return builder.buildFuture();
}
}
private static class SuggestionsVisitor
implements Visitor {
private Function<SuggestionsBuilder, CompletableFuture<Suggestions>> suggestions = SUGGEST_NOTHING;
private SuggestionsVisitor() {
}
@Override
public void visitSuggestions(Function<SuggestionsBuilder, CompletableFuture<Suggestions>> suggestions) {
this.suggestions = suggestions;
}
public CompletableFuture<Suggestions> resolveSuggestions(SuggestionsBuilder builder, StringReader reader) {
return this.suggestions.apply(builder.createOffset(reader.getCursor()));
}
}
}