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package net.minecraft.commands.arguments;
import com.google.common.collect.Lists;
import com.mojang.brigadier.StringReader;
import com.mojang.brigadier.arguments.ArgumentType;
import com.mojang.brigadier.context.CommandContext;
import com.mojang.brigadier.exceptions.CommandSyntaxException;
import com.mojang.brigadier.exceptions.DynamicCommandExceptionType;
import com.mojang.brigadier.exceptions.SimpleCommandExceptionType;
import com.mojang.serialization.Codec;
import com.mojang.serialization.DataResult;
import it.unimi.dsi.fastutil.objects.Object2IntMap;
import it.unimi.dsi.fastutil.objects.Object2IntOpenHashMap;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collection;
import java.util.Collections;
import java.util.List;
import java.util.function.BiConsumer;
import java.util.function.Function;
import java.util.function.Predicate;
import java.util.function.Supplier;
import net.minecraft.commands.CommandSourceStack;
import net.minecraft.nbt.CollectionTag;
import net.minecraft.nbt.CompoundTag;
import net.minecraft.nbt.ListTag;
import net.minecraft.nbt.NbtUtils;
import net.minecraft.nbt.Tag;
import net.minecraft.nbt.TagParser;
import net.minecraft.network.chat.Component;
import org.apache.commons.lang3.mutable.MutableBoolean;
public class NbtPathArgument implements ArgumentType<NbtPathArgument.NbtPath> {
private static final Collection<String> EXAMPLES = Arrays.asList("foo", "foo.bar", "foo[0]", "[0]", "[]", "{foo=bar}");
public static final SimpleCommandExceptionType ERROR_INVALID_NODE = new SimpleCommandExceptionType(Component.translatable("arguments.nbtpath.node.invalid"));
public static final SimpleCommandExceptionType ERROR_DATA_TOO_DEEP = new SimpleCommandExceptionType(Component.translatable("arguments.nbtpath.too_deep"));
public static final DynamicCommandExceptionType ERROR_NOTHING_FOUND = new DynamicCommandExceptionType(
p_308351_ -> Component.translatableEscape("arguments.nbtpath.nothing_found", p_308351_)
);
static final DynamicCommandExceptionType ERROR_EXPECTED_LIST = new DynamicCommandExceptionType(
p_308352_ -> Component.translatableEscape("commands.data.modify.expected_list", p_308352_)
);
static final DynamicCommandExceptionType ERROR_INVALID_INDEX = new DynamicCommandExceptionType(
p_308350_ -> Component.translatableEscape("commands.data.modify.invalid_index", p_308350_)
);
private static final char INDEX_MATCH_START = '[';
private static final char INDEX_MATCH_END = ']';
private static final char KEY_MATCH_START = '{';
private static final char KEY_MATCH_END = '}';
private static final char QUOTED_KEY_START = '"';
private static final char SINGLE_QUOTED_KEY_START = '\'';
public static NbtPathArgument nbtPath() {
return new NbtPathArgument();
}
public static NbtPathArgument.NbtPath getPath(CommandContext<CommandSourceStack> p_99499_, String p_99500_) {
return p_99499_.getArgument(p_99500_, NbtPathArgument.NbtPath.class);
}
public NbtPathArgument.NbtPath parse(StringReader p_99491_) throws CommandSyntaxException {
List<NbtPathArgument.Node> list = Lists.newArrayList();
int i = p_99491_.getCursor();
Object2IntMap<NbtPathArgument.Node> object2intmap = new Object2IntOpenHashMap<>();
boolean flag = true;
while (p_99491_.canRead() && p_99491_.peek() != ' ') {
NbtPathArgument.Node nbtpathargument$node = parseNode(p_99491_, flag);
list.add(nbtpathargument$node);
object2intmap.put(nbtpathargument$node, p_99491_.getCursor() - i);
flag = false;
if (p_99491_.canRead()) {
char c0 = p_99491_.peek();
if (c0 != ' ' && c0 != '[' && c0 != '{') {
p_99491_.expect('.');
}
}
}
return new NbtPathArgument.NbtPath(p_99491_.getString().substring(i, p_99491_.getCursor()), list.toArray(new NbtPathArgument.Node[0]), object2intmap);
}
private static NbtPathArgument.Node parseNode(StringReader p_99496_, boolean p_99497_) throws CommandSyntaxException {
return (NbtPathArgument.Node)(switch (p_99496_.peek()) {
case '"', '\'' -> readObjectNode(p_99496_, p_99496_.readString());
case '[' -> {
p_99496_.skip();
int i = p_99496_.peek();
if (i == 123) {
CompoundTag compoundtag1 = new TagParser(p_99496_).readStruct();
p_99496_.expect(']');
yield new NbtPathArgument.MatchElementNode(compoundtag1);
} else if (i == 93) {
p_99496_.skip();
yield NbtPathArgument.AllElementsNode.INSTANCE;
} else {
int j = p_99496_.readInt();
p_99496_.expect(']');
yield new NbtPathArgument.IndexedElementNode(j);
}
}
case '{' -> {
if (!p_99497_) {
throw ERROR_INVALID_NODE.createWithContext(p_99496_);
}
CompoundTag compoundtag = new TagParser(p_99496_).readStruct();
yield new NbtPathArgument.MatchRootObjectNode(compoundtag);
}
default -> readObjectNode(p_99496_, readUnquotedName(p_99496_));
});
}
private static NbtPathArgument.Node readObjectNode(StringReader p_99493_, String p_99494_) throws CommandSyntaxException {
if (p_99493_.canRead() && p_99493_.peek() == '{') {
CompoundTag compoundtag = new TagParser(p_99493_).readStruct();
return new NbtPathArgument.MatchObjectNode(p_99494_, compoundtag);
} else {
return new NbtPathArgument.CompoundChildNode(p_99494_);
}
}
private static String readUnquotedName(StringReader p_99509_) throws CommandSyntaxException {
int i = p_99509_.getCursor();
while (p_99509_.canRead() && isAllowedInUnquotedName(p_99509_.peek())) {
p_99509_.skip();
}
if (p_99509_.getCursor() == i) {
throw ERROR_INVALID_NODE.createWithContext(p_99509_);
} else {
return p_99509_.getString().substring(i, p_99509_.getCursor());
}
}
@Override
public Collection<String> getExamples() {
return EXAMPLES;
}
private static boolean isAllowedInUnquotedName(char p_99489_) {
return p_99489_ != ' '
&& p_99489_ != '"'
&& p_99489_ != '\''
&& p_99489_ != '['
&& p_99489_ != ']'
&& p_99489_ != '.'
&& p_99489_ != '{'
&& p_99489_ != '}';
}
static Predicate<Tag> createTagPredicate(CompoundTag p_99511_) {
return p_99507_ -> NbtUtils.compareNbt(p_99511_, p_99507_, true);
}
static class AllElementsNode implements NbtPathArgument.Node {
public static final NbtPathArgument.AllElementsNode INSTANCE = new NbtPathArgument.AllElementsNode();
private AllElementsNode() {
}
@Override
public void getTag(Tag p_99522_, List<Tag> p_99523_) {
if (p_99522_ instanceof CollectionTag) {
p_99523_.addAll((CollectionTag)p_99522_);
}
}
@Override
public void getOrCreateTag(Tag p_99528_, Supplier<Tag> p_99529_, List<Tag> p_99530_) {
if (p_99528_ instanceof CollectionTag<?> collectiontag) {
if (collectiontag.isEmpty()) {
Tag tag = p_99529_.get();
if (collectiontag.addTag(0, tag)) {
p_99530_.add(tag);
}
} else {
p_99530_.addAll((Collection<? extends Tag>)collectiontag);
}
}
}
@Override
public Tag createPreferredParentTag() {
return new ListTag();
}
@Override
public int setTag(Tag p_99525_, Supplier<Tag> p_99526_) {
if (!(p_99525_ instanceof CollectionTag<?> collectiontag)) {
return 0;
} else {
int i = collectiontag.size();
if (i == 0) {
collectiontag.addTag(0, p_99526_.get());
return 1;
} else {
Tag tag = p_99526_.get();
int j = i - (int)collectiontag.stream().filter(tag::equals).count();
if (j == 0) {
return 0;
} else {
collectiontag.clear();
if (!collectiontag.addTag(0, tag)) {
return 0;
} else {
for (int k = 1; k < i; k++) {
collectiontag.addTag(k, p_99526_.get());
}
return j;
}
}
}
}
}
@Override
public int removeTag(Tag p_99520_) {
if (p_99520_ instanceof CollectionTag<?> collectiontag) {
int i = collectiontag.size();
if (i > 0) {
collectiontag.clear();
return i;
}
}
return 0;
}
}
static class CompoundChildNode implements NbtPathArgument.Node {
private final String name;
public CompoundChildNode(String p_99533_) {
this.name = p_99533_;
}
@Override
public void getTag(Tag p_99538_, List<Tag> p_99539_) {
if (p_99538_ instanceof CompoundTag) {
Tag tag = ((CompoundTag)p_99538_).get(this.name);
if (tag != null) {
p_99539_.add(tag);
}
}
}
@Override
public void getOrCreateTag(Tag p_99544_, Supplier<Tag> p_99545_, List<Tag> p_99546_) {
if (p_99544_ instanceof CompoundTag compoundtag) {
Tag tag;
if (compoundtag.contains(this.name)) {
tag = compoundtag.get(this.name);
} else {
tag = p_99545_.get();
compoundtag.put(this.name, tag);
}
p_99546_.add(tag);
}
}
@Override
public Tag createPreferredParentTag() {
return new CompoundTag();
}
@Override
public int setTag(Tag p_99541_, Supplier<Tag> p_99542_) {
if (p_99541_ instanceof CompoundTag compoundtag) {
Tag tag = p_99542_.get();
Tag tag1 = compoundtag.put(this.name, tag);
if (!tag.equals(tag1)) {
return 1;
}
}
return 0;
}
@Override
public int removeTag(Tag p_99536_) {
if (p_99536_ instanceof CompoundTag compoundtag && compoundtag.contains(this.name)) {
compoundtag.remove(this.name);
return 1;
}
return 0;
}
}
static class IndexedElementNode implements NbtPathArgument.Node {
private final int index;
public IndexedElementNode(int p_99549_) {
this.index = p_99549_;
}
@Override
public void getTag(Tag p_99554_, List<Tag> p_99555_) {
if (p_99554_ instanceof CollectionTag<?> collectiontag) {
int i = collectiontag.size();
int j = this.index < 0 ? i + this.index : this.index;
if (0 <= j && j < i) {
p_99555_.add(collectiontag.get(j));
}
}
}
@Override
public void getOrCreateTag(Tag p_99560_, Supplier<Tag> p_99561_, List<Tag> p_99562_) {
this.getTag(p_99560_, p_99562_);
}
@Override
public Tag createPreferredParentTag() {
return new ListTag();
}
@Override
public int setTag(Tag p_99557_, Supplier<Tag> p_99558_) {
if (p_99557_ instanceof CollectionTag<?> collectiontag) {
int i = collectiontag.size();
int j = this.index < 0 ? i + this.index : this.index;
if (0 <= j && j < i) {
Tag tag = collectiontag.get(j);
Tag tag1 = p_99558_.get();
if (!tag1.equals(tag) && collectiontag.setTag(j, tag1)) {
return 1;
}
}
}
return 0;
}
@Override
public int removeTag(Tag p_99552_) {
if (p_99552_ instanceof CollectionTag<?> collectiontag) {
int i = collectiontag.size();
int j = this.index < 0 ? i + this.index : this.index;
if (0 <= j && j < i) {
collectiontag.remove(j);
return 1;
}
}
return 0;
}
}
static class MatchElementNode implements NbtPathArgument.Node {
private final CompoundTag pattern;
private final Predicate<Tag> predicate;
public MatchElementNode(CompoundTag p_99566_) {
this.pattern = p_99566_;
this.predicate = NbtPathArgument.createTagPredicate(p_99566_);
}
@Override
public void getTag(Tag p_99575_, List<Tag> p_99576_) {
if (p_99575_ instanceof ListTag listtag) {
listtag.stream().filter(this.predicate).forEach(p_99576_::add);
}
}
@Override
public void getOrCreateTag(Tag p_99581_, Supplier<Tag> p_99582_, List<Tag> p_99583_) {
MutableBoolean mutableboolean = new MutableBoolean();
if (p_99581_ instanceof ListTag listtag) {
listtag.stream().filter(this.predicate).forEach(p_99571_ -> {
p_99583_.add(p_99571_);
mutableboolean.setTrue();
});
if (mutableboolean.isFalse()) {
CompoundTag compoundtag = this.pattern.copy();
listtag.add(compoundtag);
p_99583_.add(compoundtag);
}
}
}
@Override
public Tag createPreferredParentTag() {
return new ListTag();
}
@Override
public int setTag(Tag p_99578_, Supplier<Tag> p_99579_) {
int i = 0;
if (p_99578_ instanceof ListTag listtag) {
int j = listtag.size();
if (j == 0) {
listtag.add(p_99579_.get());
i++;
} else {
for (int k = 0; k < j; k++) {
Tag tag = listtag.get(k);
if (this.predicate.test(tag)) {
Tag tag1 = p_99579_.get();
if (!tag1.equals(tag) && listtag.setTag(k, tag1)) {
i++;
}
}
}
}
}
return i;
}
@Override
public int removeTag(Tag p_99573_) {
int i = 0;
if (p_99573_ instanceof ListTag listtag) {
for (int j = listtag.size() - 1; j >= 0; j--) {
if (this.predicate.test(listtag.get(j))) {
listtag.remove(j);
i++;
}
}
}
return i;
}
}
static class MatchObjectNode implements NbtPathArgument.Node {
private final String name;
private final CompoundTag pattern;
private final Predicate<Tag> predicate;
public MatchObjectNode(String p_99588_, CompoundTag p_99589_) {
this.name = p_99588_;
this.pattern = p_99589_;
this.predicate = NbtPathArgument.createTagPredicate(p_99589_);
}
@Override
public void getTag(Tag p_99594_, List<Tag> p_99595_) {
if (p_99594_ instanceof CompoundTag) {
Tag tag = ((CompoundTag)p_99594_).get(this.name);
if (this.predicate.test(tag)) {
p_99595_.add(tag);
}
}
}
@Override
public void getOrCreateTag(Tag p_99600_, Supplier<Tag> p_99601_, List<Tag> p_99602_) {
if (p_99600_ instanceof CompoundTag compoundtag) {
Tag tag = compoundtag.get(this.name);
if (tag == null) {
Tag compoundtag1 = this.pattern.copy();
compoundtag.put(this.name, compoundtag1);
p_99602_.add(compoundtag1);
} else if (this.predicate.test(tag)) {
p_99602_.add(tag);
}
}
}
@Override
public Tag createPreferredParentTag() {
return new CompoundTag();
}
@Override
public int setTag(Tag p_99597_, Supplier<Tag> p_99598_) {
if (p_99597_ instanceof CompoundTag compoundtag) {
Tag tag = compoundtag.get(this.name);
if (this.predicate.test(tag)) {
Tag tag1 = p_99598_.get();
if (!tag1.equals(tag)) {
compoundtag.put(this.name, tag1);
return 1;
}
}
}
return 0;
}
@Override
public int removeTag(Tag p_99592_) {
if (p_99592_ instanceof CompoundTag compoundtag) {
Tag tag = compoundtag.get(this.name);
if (this.predicate.test(tag)) {
compoundtag.remove(this.name);
return 1;
}
}
return 0;
}
}
static class MatchRootObjectNode implements NbtPathArgument.Node {
private final Predicate<Tag> predicate;
public MatchRootObjectNode(CompoundTag p_99605_) {
this.predicate = NbtPathArgument.createTagPredicate(p_99605_);
}
@Override
public void getTag(Tag p_99610_, List<Tag> p_99611_) {
if (p_99610_ instanceof CompoundTag && this.predicate.test(p_99610_)) {
p_99611_.add(p_99610_);
}
}
@Override
public void getOrCreateTag(Tag p_99616_, Supplier<Tag> p_99617_, List<Tag> p_99618_) {
this.getTag(p_99616_, p_99618_);
}
@Override
public Tag createPreferredParentTag() {
return new CompoundTag();
}
@Override
public int setTag(Tag p_99613_, Supplier<Tag> p_99614_) {
return 0;
}
@Override
public int removeTag(Tag p_99608_) {
return 0;
}
}
public static class NbtPath {
private final String original;
private final Object2IntMap<NbtPathArgument.Node> nodeToOriginalPosition;
private final NbtPathArgument.Node[] nodes;
public static final Codec<NbtPathArgument.NbtPath> CODEC = Codec.STRING.comapFlatMap(p_325592_ -> {
try {
NbtPathArgument.NbtPath nbtpathargument$nbtpath = new NbtPathArgument().parse(new StringReader(p_325592_));
return DataResult.success(nbtpathargument$nbtpath);
} catch (CommandSyntaxException commandsyntaxexception) {
return DataResult.error(() -> "Failed to parse path " + p_325592_ + ": " + commandsyntaxexception.getMessage());
}
}, NbtPathArgument.NbtPath::asString);
public static NbtPathArgument.NbtPath of(String p_333565_) throws CommandSyntaxException {
return new NbtPathArgument().parse(new StringReader(p_333565_));
}
public NbtPath(String p_99623_, NbtPathArgument.Node[] p_99624_, Object2IntMap<NbtPathArgument.Node> p_99625_) {
this.original = p_99623_;
this.nodes = p_99624_;
this.nodeToOriginalPosition = p_99625_;
}
public List<Tag> get(Tag p_99639_) throws CommandSyntaxException {
List<Tag> list = Collections.singletonList(p_99639_);
for (NbtPathArgument.Node nbtpathargument$node : this.nodes) {
list = nbtpathargument$node.get(list);
if (list.isEmpty()) {
throw this.createNotFoundException(nbtpathargument$node);
}
}
return list;
}
public int countMatching(Tag p_99644_) {
List<Tag> list = Collections.singletonList(p_99644_);
for (NbtPathArgument.Node nbtpathargument$node : this.nodes) {
list = nbtpathargument$node.get(list);
if (list.isEmpty()) {
return 0;
}
}
return list.size();
}
private List<Tag> getOrCreateParents(Tag p_99651_) throws CommandSyntaxException {
List<Tag> list = Collections.singletonList(p_99651_);
for (int i = 0; i < this.nodes.length - 1; i++) {
NbtPathArgument.Node nbtpathargument$node = this.nodes[i];
int j = i + 1;
list = nbtpathargument$node.getOrCreate(list, this.nodes[j]::createPreferredParentTag);
if (list.isEmpty()) {
throw this.createNotFoundException(nbtpathargument$node);
}
}
return list;
}
public List<Tag> getOrCreate(Tag p_99641_, Supplier<Tag> p_99642_) throws CommandSyntaxException {
List<Tag> list = this.getOrCreateParents(p_99641_);
NbtPathArgument.Node nbtpathargument$node = this.nodes[this.nodes.length - 1];
return nbtpathargument$node.getOrCreate(list, p_99642_);
}
private static int apply(List<Tag> p_99636_, Function<Tag, Integer> p_99637_) {
return p_99636_.stream().map(p_99637_).reduce(0, (p_99633_, p_99634_) -> p_99633_ + p_99634_);
}
public static boolean isTooDeep(Tag p_263392_, int p_263386_) {
if (p_263386_ >= 512) {
return true;
} else {
if (p_263392_ instanceof CompoundTag compoundtag) {
for (String s : compoundtag.getAllKeys()) {
Tag tag = compoundtag.get(s);
if (tag != null && isTooDeep(tag, p_263386_ + 1)) {
return true;
}
}
} else if (p_263392_ instanceof ListTag) {
for (Tag tag1 : (ListTag)p_263392_) {
if (isTooDeep(tag1, p_263386_ + 1)) {
return true;
}
}
}
return false;
}
}
public int set(Tag p_169536_, Tag p_169537_) throws CommandSyntaxException {
if (isTooDeep(p_169537_, this.estimatePathDepth())) {
throw NbtPathArgument.ERROR_DATA_TOO_DEEP.create();
} else {
Tag tag = p_169537_.copy();
List<Tag> list = this.getOrCreateParents(p_169536_);
if (list.isEmpty()) {
return 0;
} else {
NbtPathArgument.Node nbtpathargument$node = this.nodes[this.nodes.length - 1];
MutableBoolean mutableboolean = new MutableBoolean(false);
return apply(list, p_263259_ -> nbtpathargument$node.setTag(p_263259_, () -> {
if (mutableboolean.isFalse()) {
mutableboolean.setTrue();
return tag;
} else {
return tag.copy();
}
}));
}
}
}
private int estimatePathDepth() {
return this.nodes.length;
}
public int insert(int p_263397_, CompoundTag p_263348_, List<Tag> p_263419_) throws CommandSyntaxException {
List<Tag> list = new ArrayList<>(p_263419_.size());
for (Tag tag : p_263419_) {
Tag tag1 = tag.copy();
list.add(tag1);
if (isTooDeep(tag1, this.estimatePathDepth())) {
throw NbtPathArgument.ERROR_DATA_TOO_DEEP.create();
}
}
Collection<Tag> collection = this.getOrCreate(p_263348_, ListTag::new);
int j = 0;
boolean flag1 = false;
for (Tag tag2 : collection) {
if (!(tag2 instanceof CollectionTag<?> collectiontag)) {
throw NbtPathArgument.ERROR_EXPECTED_LIST.create(tag2);
}
boolean flag = false;
int i = p_263397_ < 0 ? collectiontag.size() + p_263397_ + 1 : p_263397_;
for (Tag tag3 : list) {
try {
if (collectiontag.addTag(i, flag1 ? tag3.copy() : tag3)) {
i++;
flag = true;
}
} catch (IndexOutOfBoundsException indexoutofboundsexception) {
throw NbtPathArgument.ERROR_INVALID_INDEX.create(i);
}
}
flag1 = true;
j += flag ? 1 : 0;
}
return j;
}
public int remove(Tag p_99649_) {
List<Tag> list = Collections.singletonList(p_99649_);
for (int i = 0; i < this.nodes.length - 1; i++) {
list = this.nodes[i].get(list);
}
NbtPathArgument.Node nbtpathargument$node = this.nodes[this.nodes.length - 1];
return apply(list, nbtpathargument$node::removeTag);
}
private CommandSyntaxException createNotFoundException(NbtPathArgument.Node p_99627_) {
int i = this.nodeToOriginalPosition.getInt(p_99627_);
return NbtPathArgument.ERROR_NOTHING_FOUND.create(this.original.substring(0, i));
}
@Override
public String toString() {
return this.original;
}
public String asString() {
return this.original;
}
}
interface Node {
void getTag(Tag p_99666_, List<Tag> p_99667_);
void getOrCreateTag(Tag p_99670_, Supplier<Tag> p_99671_, List<Tag> p_99672_);
Tag createPreferredParentTag();
int setTag(Tag p_99668_, Supplier<Tag> p_99669_);
int removeTag(Tag p_99665_);
default List<Tag> get(List<Tag> p_99654_) {
return this.collect(p_99654_, this::getTag);
}
default List<Tag> getOrCreate(List<Tag> p_99659_, Supplier<Tag> p_99660_) {
return this.collect(p_99659_, (p_99663_, p_99664_) -> this.getOrCreateTag(p_99663_, p_99660_, p_99664_));
}
default List<Tag> collect(List<Tag> p_99656_, BiConsumer<Tag, List<Tag>> p_99657_) {
List<Tag> list = Lists.newArrayList();
for (Tag tag : p_99656_) {
p_99657_.accept(tag, list);
}
return list;
}
}
} |