src/game/java/net/minecraft/commands/synchronization/ArgumentUtils.java

package net.minecraft.commands.synchronization;

import com.google.common.collect.Sets;
import com.google.gson.JsonArray;
import com.google.gson.JsonObject;
import com.mojang.brigadier.CommandDispatcher;
import com.mojang.brigadier.arguments.ArgumentType;
import com.mojang.brigadier.tree.ArgumentCommandNode;
import com.mojang.brigadier.tree.CommandNode;
import com.mojang.brigadier.tree.LiteralCommandNode;
import com.mojang.brigadier.tree.RootCommandNode;
import com.mojang.logging.LogUtils;
import java.util.Collection;
import java.util.Set;
import net.minecraft.core.registries.BuiltInRegistries;
import org.slf4j.Logger;

public class ArgumentUtils {
    private static final Logger LOGGER = LogUtils.getLogger();
    private static final byte NUMBER_FLAG_MIN = 1;
    private static final byte NUMBER_FLAG_MAX = 2;

    public static int createNumberFlags(boolean p_235428_, boolean p_235429_) {
        int i = 0;
        if (p_235428_) {
            i |= 1;
        }

        if (p_235429_) {
            i |= 2;
        }

        return i;
    }

    public static boolean numberHasMin(byte p_235403_) {
        return (p_235403_ & 1) != 0;
    }

    public static boolean numberHasMax(byte p_235431_) {
        return (p_235431_ & 2) != 0;
    }

    private static <A extends ArgumentType<?>> void serializeCap(JsonObject p_235408_, ArgumentTypeInfo.Template<A> p_235409_) {
        serializeCap(p_235408_, p_235409_.type(), p_235409_);
    }

    private static <A extends ArgumentType<?>, T extends ArgumentTypeInfo.Template<A>> void serializeCap(
        JsonObject p_235411_, ArgumentTypeInfo<A, T> p_235412_, ArgumentTypeInfo.Template<A> p_235413_
    ) {
        p_235412_.serializeToJson((T)p_235413_, p_235411_);
    }

    private static <T extends ArgumentType<?>> void serializeArgumentToJson(JsonObject p_235405_, T p_235406_) {
        ArgumentTypeInfo.Template<T> template = ArgumentTypeInfos.unpack(p_235406_);
        p_235405_.addProperty("type", "argument");
        p_235405_.addProperty("parser", BuiltInRegistries.COMMAND_ARGUMENT_TYPE.getKey(template.type()).toString());
        JsonObject jsonobject = new JsonObject();
        serializeCap(jsonobject, template);
        if (jsonobject.size() > 0) {
            p_235405_.add("properties", jsonobject);
        }
    }

    public static <S> JsonObject serializeNodeToJson(CommandDispatcher<S> p_235415_, CommandNode<S> p_235416_) {
        JsonObject jsonobject = new JsonObject();
        if (p_235416_ instanceof RootCommandNode) {
            jsonobject.addProperty("type", "root");
        } else if (p_235416_ instanceof LiteralCommandNode) {
            jsonobject.addProperty("type", "literal");
        } else if (p_235416_ instanceof ArgumentCommandNode<?, ?> argumentcommandnode) {
            serializeArgumentToJson(jsonobject, argumentcommandnode.getType());
        } else {
            LOGGER.error("Could not serialize node {} ({})!", p_235416_, p_235416_.getClass());
            jsonobject.addProperty("type", "unknown");
        }

        JsonObject jsonobject1 = new JsonObject();

        for (CommandNode<S> commandnode : p_235416_.getChildren()) {
            jsonobject1.add(commandnode.getName(), serializeNodeToJson(p_235415_, commandnode));
        }

        if (jsonobject1.size() > 0) {
            jsonobject.add("children", jsonobject1);
        }

        if (p_235416_.getCommand() != null) {
            jsonobject.addProperty("executable", true);
        }

        if (p_235416_.getRedirect() != null) {
            Collection<String> collection = p_235415_.getPath(p_235416_.getRedirect());
            if (!collection.isEmpty()) {
                JsonArray jsonarray = new JsonArray();

                for (String s : collection) {
                    jsonarray.add(s);
                }

                jsonobject.add("redirect", jsonarray);
            }
        }

        return jsonobject;
    }

    public static <T> Set<ArgumentType<?>> findUsedArgumentTypes(CommandNode<T> p_235418_) {
        Set<CommandNode<T>> set = Sets.newIdentityHashSet();
        Set<ArgumentType<?>> set1 = Sets.newHashSet();
        findUsedArgumentTypes(p_235418_, set1, set);
        return set1;
    }

    private static <T> void findUsedArgumentTypes(CommandNode<T> p_235420_, Set<ArgumentType<?>> p_235421_, Set<CommandNode<T>> p_235422_) {
        if (p_235422_.add(p_235420_)) {
            if (p_235420_ instanceof ArgumentCommandNode<?, ?> argumentcommandnode) {
                p_235421_.add(argumentcommandnode.getType());
            }

            p_235420_.getChildren().forEach(p_235426_ -> findUsedArgumentTypes((CommandNode<T>)p_235426_, p_235421_, p_235422_));
            CommandNode<T> commandnode = p_235420_.getRedirect();
            if (commandnode != null) {
                findUsedArgumentTypes(commandnode, p_235421_, p_235422_);
            }
        }
    }
}