StringRepresentable.java

net.minecraft.util.StringRepresentable

信息

• 全限定名：net.minecraft.util.StringRepresentable
• 类型：public interface
• 包：net.minecraft.util
• 源码路径：src/main/java/net/minecraft/util/StringRepresentable.java
• 起始行号：L18
• 职责：

  TODO

字段/常量

• PRE_BUILT_MAP_THRESHOLD
  • 类型: int
  • 修饰符: package-private
  • 源码定位: L19
  • 说明:

    TODO

内部类/嵌套类型

• net.minecraft.util.StringRepresentable.EnumCodec

  • 类型: class
  • 修饰符: public static
  • 源码定位: L72
  • 说明:

    TODO

• net.minecraft.util.StringRepresentable.StringRepresentableCodec

  • 类型: class
  • 修饰符: public static
  • 源码定位: L93
  • 说明:

    TODO

构造器

• 无

方法

下面的方法块按源码顺序生成。

String getSerializedName() @ L21

• 方法名：getSerializedName
• 源码定位：L21
• 返回类型：String
• 修饰符：package-private

参数:

• 无

说明:

TODO

static <E extends Enum<E> &StringRepresentable> StringRepresentable.EnumCodec<E> fromEnum(Supplier<E[]> values) @ L23

• 方法名：fromEnum
• 源码定位：L23
• 返回类型：<E extends Enum &StringRepresentable> StringRepresentable.EnumCodec
• 修饰符：static

参数:

• values: Supplier<E[]>

说明:

TODO

static <E extends Enum<E> &StringRepresentable> StringRepresentable.EnumCodec<E> fromEnumWithMapping(Supplier<E[]> values, Function<String,String> converter) @ L27

• 方法名：fromEnumWithMapping
• 源码定位：L27
• 返回类型：<E extends Enum &StringRepresentable> StringRepresentable.EnumCodec
• 修饰符：static

参数:

• values: Supplier<E[]>
• converter: Function<String,String>

说明:

TODO

static <T extends StringRepresentable> Codec<T> fromValues(Supplier<T[]> values) @ L35

• 方法名：fromValues
• 源码定位：L35
• 返回类型： Codec
• 修饰符：static

参数:

• values: Supplier<T[]>

说明:

TODO

static <T extends StringRepresentable> Function<String,T> createNameLookup(T[] valueArray) @ L42

• 方法名：createNameLookup
• 源码定位：L42
• 返回类型： Function<String,T>
• 修饰符：static

参数:

• valueArray: T[]

说明:

TODO

static <T> Function<String,T> createNameLookup(T[] valueArray, Function<T,String> converter) @ L46

• 方法名：createNameLookup
• 源码定位：L46
• 返回类型： Function<String,T>
• 修饰符：static

参数:

• valueArray: T[]
• converter: Function<T,String>

说明:

TODO

static Keyable keys(StringRepresentable[] values) @ L63

• 方法名：keys
• 源码定位：L63
• 返回类型：Keyable
• 修饰符：static

参数:

• values: StringRepresentable[]

说明:

TODO

代码

public interface StringRepresentable {
    int PRE_BUILT_MAP_THRESHOLD = 16;
 
    String getSerializedName();
 
    static <E extends Enum<E> & StringRepresentable> StringRepresentable.EnumCodec<E> fromEnum(Supplier<E[]> values) {
        return fromEnumWithMapping(values, s -> s);
    }
 
    static <E extends Enum<E> & StringRepresentable> StringRepresentable.EnumCodec<E> fromEnumWithMapping(
        Supplier<E[]> values, Function<String, String> converter
    ) {
        E[] valueArray = (E[])values.get();
        Function<String, E> lookupFunction = createNameLookup(valueArray, e -> converter.apply(e.getSerializedName()));
        return new StringRepresentable.EnumCodec<>(valueArray, lookupFunction);
    }
 
    static <T extends StringRepresentable> Codec<T> fromValues(Supplier<T[]> values) {
        T[] valueArray = (T[])values.get();
        Function<String, T> lookupFunction = createNameLookup(valueArray);
        ToIntFunction<T> indexLookup = Util.createIndexLookup(Arrays.asList(valueArray));
        return new StringRepresentable.StringRepresentableCodec<>(valueArray, lookupFunction, indexLookup);
    }
 
    static <T extends StringRepresentable> Function<String, @Nullable T> createNameLookup(T[] valueArray) {
        return createNameLookup(valueArray, StringRepresentable::getSerializedName);
    }
 
    static <T> Function<String, @Nullable T> createNameLookup(T[] valueArray, Function<T, String> converter) {
        if (valueArray.length > 16) {
            Map<String, T> byName = Arrays.<T>stream(valueArray).collect(Collectors.toMap(converter, d -> (T)d));
            return byName::get;
        } else {
            return id -> {
                for (T value : valueArray) {
                    if (converter.apply(value).equals(id)) {
                        return value;
                    }
                }
 
                return null;
            };
        }
    }
 
    static Keyable keys(StringRepresentable[] values) {
        return new Keyable() {
            @Override
            public <T> Stream<T> keys(DynamicOps<T> ops) {
                return Arrays.stream(values).map(StringRepresentable::getSerializedName).map(ops::createString);
            }
        };
    }
 
    public static class EnumCodec<E extends Enum<E> & StringRepresentable> extends StringRepresentable.StringRepresentableCodec<E> {
        private final Function<String, @Nullable E> resolver;
 
        public EnumCodec(E[] valueArray, Function<String, E> nameResolver) {
            super(valueArray, nameResolver, rec$ -> rec$.ordinal());
            this.resolver = nameResolver;
        }
 
        public @Nullable E byName(String name) {
            return this.resolver.apply(name);
        }
 
        public E byName(String name, E _default) {
            return Objects.requireNonNullElse(this.byName(name), _default);
        }
 
        public E byName(String name, Supplier<? extends E> defaultSupplier) {
            return Objects.requireNonNullElseGet(this.byName(name), defaultSupplier);
        }
    }
 
    public static class StringRepresentableCodec<S extends StringRepresentable> implements Codec<S> {
        private final Codec<S> codec;
 
        public StringRepresentableCodec(S[] valueArray, Function<String, @Nullable S> nameResolver, ToIntFunction<S> idResolver) {
            this.codec = ExtraCodecs.orCompressed(
                Codec.stringResolver(StringRepresentable::getSerializedName, nameResolver),
                ExtraCodecs.idResolverCodec(idResolver, i -> i >= 0 && i < valueArray.length ? valueArray[i] : null, -1)
            );
        }
 
        @Override
        public <T> DataResult<Pair<S, T>> decode(DynamicOps<T> ops, T input) {
            return this.codec.decode(ops, input);
        }
 
        public <T> DataResult<T> encode(S input, DynamicOps<T> ops, T prefix) {
            return this.codec.encode(input, ops, prefix);
        }
    }
}

引用的其他类

• OptionInstance

  • 引用位置: 返回值

• ExtraCodecs

  • 引用位置: 方法调用
  • 关联成员: ExtraCodecs.idResolverCodec(), ExtraCodecs.orCompressed()

• Util

  • 引用位置: 方法调用
  • 关联成员: Util.createIndexLookup()