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No commits in common. "main" and "TheKodeToad/restructure" have entirely different histories.

34 changed files with 278 additions and 1935 deletions

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@ -1,9 +0,0 @@
root = true
[*]
charset = utf-8
end_of_line = lf
insert_final_newline = true
tab_width = 4
trim_trailing_whitespace = true
indent_style = tab

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@ -1,23 +0,0 @@
name: Publish to snapshot maven
on:
push:
branches:
- 'main'
jobs:
build:
runs-on: docker
steps:
- uses: actions/checkout@v4
- uses: https://github.com/actions/setup-java@v4
with:
distribution: 'temurin'
java-version: 21
- uses: https://github.com/gradle/actions/setup-gradle@v3
- name: Build
run: |
chmod +x ./gradlew
./gradlew publishMavenJavaPublicationToFrogMCSnapshotsMavenRepository \
-PFrogMCSnapshotsMavenUsername=${{ secrets.MAVEN_PUSH_USER }} \
-PFrogMCSnapshotsMavenPassword=${{ secrets.MAVEN_PUSH_TOKEN }}

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@ -1,63 +1,21 @@
import java.util.Date
plugins {
java
`java-library`
id("java")
id("io.freefair.lombok").version("8.6+")
`maven-publish`
}
group = "dev.frogmc"
version = "0.0.1-alpha.18"
group = "org.example"
version = "1.0-SNAPSHOT"
repositories {
mavenCentral()
}
dependencies {
implementation("com.electronwill.night-config:json:3.8.1")
implementation("org.ow2.asm:asm:9.7")
implementation("com.google.code.gson:gson:2.10.1")
implementation("org.ow2.asm:asm-tree:9.7")
implementation("org.ow2.asm:asm-commons:9.7")
}
java {
sourceCompatibility = JavaVersion.VERSION_21
targetCompatibility = JavaVersion.VERSION_21
}
tasks.jar {
manifest {
attributes("Implementation-Version" to version,
"Implementation-Name" to project.name,
"Implementation-Date" to Date(),
"Main-Class" to "dev.frogmc.thyroxine.Thyroxine")
}
}
publishing {
publications {
create<MavenPublication>("mavenJava") {
from(components["java"])
}
}
repositories {
maven {
name = "FrogMCSnapshotsMaven"
url = uri("https://maven.frogmc.dev/snapshots")
credentials(PasswordCredentials::class)
authentication {
create<BasicAuthentication>("basic")
}
}
maven {
name = "FrogMCReleasesMaven"
url = uri("https://maven.frogmc.dev/releases")
credentials(PasswordCredentials::class)
authentication {
create<BasicAuthentication>("basic")
}
}
}
implementation("org.ow2.asm:asm-util:9.7")
// Annotation Processor
annotationProcessor("org.ow2.asm:asm-tree:9.7")
}

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@ -1,5 +1,5 @@
#Sat Apr 27 20:33:54 CEST 2024
distributionUrl=https\://services.gradle.org/distributions/gradle-8.8-bin.zip
distributionUrl=https\://services.gradle.org/distributions/gradle-8.5-bin.zip
distributionBase=GRADLE_USER_HOME
distributionPath=wrapper/dists
zipStorePath=wrapper/dists

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@ -1,2 +1,2 @@
rootProject.name = "thyroxine"
rootProject.name = "mojmap-patcher"

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@ -1,15 +0,0 @@
package dev.frogmc.thyroxine;
import java.util.Objects;
import com.electronwill.nightconfig.json.JsonParser;
import org.objectweb.asm.Opcodes;
public final class Constants {
public static final String USER_AGENT = "FrogMC Thyroxine/" +
Objects.requireNonNullElse(Constants.class.getPackage().getImplementationVersion(), "development") +
" <frogmc.dev>";
public static final String VERSION_MANIFEST = "https://piston-meta.mojang.com/mc/game/version_manifest_v2.json";
public static final JsonParser JSON_PARSER = new JsonParser();
public static final int ASM_VERSION = Opcodes.ASM9;
}

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@ -1,44 +0,0 @@
package dev.frogmc.thyroxine;
import java.io.IOException;
import java.net.URI;
import java.net.http.HttpClient;
import java.net.http.HttpRequest;
import java.net.http.HttpResponse;
import java.net.http.HttpClient.Redirect;
import java.nio.file.Path;
import com.electronwill.nightconfig.core.UnmodifiableConfig;
import lombok.experimental.UtilityClass;
import static dev.frogmc.thyroxine.Constants.JSON_PARSER;
@UtilityClass
public class HttpHelper {
public static UnmodifiableConfig getJson(String url) throws IOException {
return JSON_PARSER.parse(getString(url)).unmodifiable();
}
public static String getString(String url) throws IOException {
return request(url, HttpResponse.BodyHandlers.ofString()).body();
}
public static void download(String url, Path file) throws IOException {
request(url, HttpResponse.BodyHandlers.ofFile(file));
}
private static <T> HttpResponse<T> request(String url, HttpResponse.BodyHandler<T> handler) throws IOException {
try (HttpClient client = HttpClient.newBuilder().followRedirects(Redirect.NORMAL).build()) {
HttpRequest request = HttpRequest.newBuilder()
.header("User-Agent", Constants.USER_AGENT)
.header("Accept", "*/*")
.GET()
.uri(URI.create(url))
.build();
return client.send(request, handler);
} catch (InterruptedException e) {
throw new IOException(e);
}
}
}

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@ -1,8 +0,0 @@
package dev.frogmc.thyroxine;
import org.objectweb.asm.ClassVisitor;
import org.objectweb.asm.commons.Remapper;
public interface RemappingStep {
ClassVisitor run(ClassVisitor previous, Remapper remapper);
}

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@ -1,228 +0,0 @@
package dev.frogmc.thyroxine;
import java.io.IOException;
import java.nio.file.*;
import java.nio.file.attribute.BasicFileAttributes;
import java.util.*;
import java.util.concurrent.Callable;
import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import dev.frogmc.thyroxine.api.Mapper;
import dev.frogmc.thyroxine.api.ParameterClassRemapper;
import dev.frogmc.thyroxine.api.data.MappingBundle;
import dev.frogmc.thyroxine.api.data.MappingData;
import dev.frogmc.thyroxine.parser.ProguardParser;
import dev.frogmc.thyroxine.parser.tiny.TinyV1Parser;
import dev.frogmc.thyroxine.parser.tiny.TinyV2Parser;
import dev.frogmc.thyroxine.provider.MojmapProvider;
import dev.frogmc.thyroxine.provider.ParchmentProvider;
import org.objectweb.asm.ClassReader;
import org.objectweb.asm.ClassVisitor;
import org.objectweb.asm.ClassWriter;
import org.objectweb.asm.commons.ClassRemapper;
import org.objectweb.asm.commons.Remapper;
public class Thyroxine {
private static boolean SYSOUT = false;
public static void run(String minecraftVersion, Path inputJar, Path outputJar, boolean skipMetaInf, boolean renameParameters) throws IOException, InterruptedException {
Path out = outputJar.toAbsolutePath();
MappingBundle data = MojmapProvider.get(minecraftVersion,
out.resolveSibling("client-" + minecraftVersion + ".txt"),
out.resolveSibling("server-" + minecraftVersion + ".txt")).reverse();
MappingBundle parchment = null;
if (renameParameters) {
parchment = ParchmentProvider.getParchment(minecraftVersion, out.getParent());
}
MappingBundle result;
if (parchment != null) {
result = MappingBundle.merge(data, parchment);
} else {
result = data;
}
SYSOUT = true;
remap(result, inputJar, out, skipMetaInf, renameParameters, "official", "named");
SYSOUT = false;
}
public static void remap(MappingData data, Path inputJar, Path outputJar, boolean skipMetaInf, Path... context) throws IOException, InterruptedException {
remap(data, inputJar, outputJar, skipMetaInf, true, context);
}
public static void remap(MappingBundle bundle, Path inputJar, Path outputJar, boolean skipMetaInf, boolean renameParameters, String srcNamespace, String dstNamespace, Path... context) throws IOException, InterruptedException {
remap(bundle.forNamespaces(srcNamespace, dstNamespace), inputJar, outputJar, skipMetaInf, renameParameters, context);
}
public static void remap(MappingData data, Path inputJar, Path outputJar, boolean skipMetaInf, boolean renameParameters, Path... context) throws IOException, InterruptedException {
List<RemappingStep> steps = List.of(
ClassRemapper::new,
(cv, mapper) -> renameParameters ? new ParameterClassRemapper(cv, mapper, data) : cv
);
remap(data, inputJar, outputJar, skipMetaInf, steps, context);
}
public static void remap(MappingData data, Path inputJar, Path outputJar, boolean skipMetaInf, List<RemappingStep> steps, Path... context) throws IOException, InterruptedException {
Files.deleteIfExists(outputJar);
if (SYSOUT) {
System.out.println("Remapping...");
}
long startTime = System.currentTimeMillis();
try (ExecutorService exec = Executors.newFixedThreadPool(Runtime.getRuntime().availableProcessors());
FileSystem inFs = FileSystems.newFileSystem(inputJar);
FileSystem outFs = FileSystems.newFileSystem(outputJar, Map.of("create", "true"))) {
List<Callable<Void>> tasks = new ArrayList<>();
Map<Path, FileSystem> contexts = new HashMap<>(context.length + 1);
contexts.put(inputJar, inFs);
for (Path p : context) {
if (!contexts.containsKey(p)) {
contexts.put(p, FileSystems.newFileSystem(p));
}
}
Remapper mapper = createMapper(data, contexts.values());
Files.walkFileTree(inFs.getPath("/"), new SimpleFileVisitor<>() {
@Override
public FileVisitResult visitFile(Path path, BasicFileAttributes basicFileAttributes) {
if (skipMetaInf) {
if (path.startsWith("/META-INF")) {
var name = path.getFileName().toString();
if (name.endsWith(".MF") || name.endsWith(".SF") || name.endsWith(".RSA")) {
return FileVisitResult.CONTINUE;
}
}
}
tasks.add(() -> {
try {
if (path.getFileName().toString().endsWith(".class")) {
String className = path.toString().substring(1, path.toString().lastIndexOf("."));
Path result = outFs.getPath(mapper.map(className) + ".class");
Path newClass = result.toAbsolutePath();
byte[] bytes = Files.readAllBytes(path);
ClassReader reader = new ClassReader(bytes);
ClassWriter writer = new ClassWriter(0);
ClassVisitor visitor = writer;
for (RemappingStep pass : steps) {
visitor = pass.run(visitor, mapper);
}
reader.accept(visitor, 0);
byte[] output = writer.toByteArray();
Files.createDirectories(result.getParent());
Files.write(newClass, output);
} else {
Path result = outFs.getPath(path.toString()).toAbsolutePath();
Files.createDirectories(result.getParent());
Files.copy(path, result);
}
} catch (IOException ex) {
throw new Error(ex);
}
return null;
});
return FileVisitResult.CONTINUE;
}
});
exec.invokeAll(tasks);
for (FileSystem fs : contexts.values()) {
fs.close();
}
if (SYSOUT) {
System.out.printf("Finished remapping (%.2fs)%n", (System.currentTimeMillis() - startTime) / 1000F);
}
}
}
public static Remapper createMapper(MappingData data, Collection<FileSystem> contexts) {
Map<String, List<String>> lazyParents = new ConcurrentHashMap<>();
MappingData reverseData = data.reverse();
return new Mapper(data, className -> lazyParents.computeIfAbsent(className, ignored ->
computeInheritances(className, reverseData, contexts)));
}
public static MappingBundle parse(Path mappings) throws IOException {
String data = Files.readString(mappings);
String header = data.split("\n", 2)[0];
if (header.matches("tiny\t+v2\t+.*")) {
return TinyV2Parser.parse(data);
} else if (TinyV1Parser.HEADER.matcher(header).matches()) {
return TinyV1Parser.parse(data);
} else {
return new MappingBundle(ProguardParser.read(data));
}
}
public static void main(String[] args) throws IOException, InterruptedException {
// temporary
if (args.length < 3 || args.length > 5) {
System.err.println("Usage: <minecraft-version> <minecraft.jar> <out.jar> [--remove-meta-inf] [--remap-parameters]");
return;
}
String minecraftVersion = args[0];
String minecraftJar = args[1];
String outJar = args[2];
boolean removeMetaInf = args.length > 3 && hasArg(args, "--remove-meta-inf");
boolean remapParams = args.length > 3 && hasArg(args, "--remap-parameters");
run(minecraftVersion, Paths.get(minecraftJar), Paths.get(outJar), removeMetaInf, remapParams);
}
private static boolean hasArg(String[] arguments, String arg) {
for (String s : arguments) {
if (arg.equals(s)) {
return true;
}
}
return false;
}
private static List<String> computeInheritances(String className, MappingData reverse, Collection<FileSystem> jars) {
try {
if (reverse.classes().containsKey(className)) {
className = reverse.classes().get(className);
}
List<String> superTypes = new ArrayList<>();
for (FileSystem fs : jars) {
Path path = fs.getPath("/" + className + ".class");
if (!Files.isRegularFile(path)) {
continue;
}
byte[] bytes = Files.readAllBytes(path);
ClassReader reader = new ClassReader(bytes);
reader.accept(new ClassVisitor(Constants.ASM_VERSION) {
@Override
public void visit(int version, int access, String name, String signature, String superName, String[] interfaces) {
if (interfaces != null) {
superTypes.addAll(Arrays.asList(interfaces));
}
if (!"java/lang/Object".equals(superName)) {
superTypes.add(superName);
}
}
}, ClassReader.SKIP_CODE | ClassReader.SKIP_DEBUG | ClassReader.SKIP_FRAMES);
}
return superTypes;
} catch (IOException error) {
throw new Error(error); // not our problem :^) for now
}
}
}

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@ -1,63 +0,0 @@
package dev.frogmc.thyroxine.api;
import dev.frogmc.thyroxine.api.data.MappingData;
import dev.frogmc.thyroxine.api.data.Member;
import org.objectweb.asm.commons.Remapper;
import java.util.List;
import java.util.Map;
import java.util.function.Function;
public class Mapper extends Remapper {
private final MappingData data;
private final Function<String, List<String>> parentProvider;
public Mapper(MappingData data, Function<String, List<String>> parentProvider) {
this.data = data;
this.parentProvider = parentProvider;
}
@Override
public String map(String internalName) {
return data.classes().getOrDefault(internalName, internalName);
}
@Override
public String mapMethodName(String owner, String name, String descriptor) {
String result = map(0, data.methods(), owner, name, descriptor);
if (result != null)
return result;
return name;
}
@Override
public String mapFieldName(String owner, String name, String descriptor) {
String result = map(0, data.fields(), owner, name, descriptor);
if (result != null)
return result;
return name;
}
private String map(int depth, Map<Member, String> map, String owner, String name, String descriptor) {
if (owner.startsWith("["))
return null;
String result = map.get(new Member(owner, name, descriptor));
if (result != null)
return result;
if (depth >= 64)
return null;
for (String parent : parentProvider.apply(owner)) {
result = map(depth + 1, map, parent, name, descriptor);
if (result != null)
return result;
}
return null;
}
}

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@ -1,40 +0,0 @@
package dev.frogmc.thyroxine.api;
import java.util.Collections;
import java.util.Map;
import dev.frogmc.thyroxine.Constants;
import dev.frogmc.thyroxine.api.data.MappingData;
import dev.frogmc.thyroxine.api.data.Member;
import org.objectweb.asm.ClassVisitor;
import org.objectweb.asm.MethodVisitor;
import org.objectweb.asm.commons.Remapper;
public class ParameterClassRemapper extends ClassVisitor {
private final MappingData data;
private final Remapper remapper;
private String className;
public ParameterClassRemapper(ClassVisitor classVisitor, Remapper remapper, MappingData data) {
super(Constants.ASM_VERSION, classVisitor);
this.remapper = remapper;
this.data = data;
}
@Override
public void visit(int version, int access, String name, String signature, String superName, String[] interfaces) {
this.className = name;
super.visit(version, access, name, signature, superName, interfaces);
}
@Override
public MethodVisitor visitMethod(int access, String name, String descriptor, String signature, String[] exceptions) {
String remappedDescriptor = remapper.mapMethodDesc(descriptor);
MethodVisitor methodVisitor = cv.visitMethod(access, remapper.mapMethodName(className, name, descriptor), remappedDescriptor,
remapper.mapSignature(signature, false), exceptions == null ? null : remapper.mapTypes(exceptions));
Member member = new Member(remapper.map(className), remapper.mapMethodName(className, name, descriptor), remappedDescriptor);
Map<Integer, String> parameters = data != null ? data.parameters().getOrDefault(member, Collections.emptyMap()) : Collections.emptyMap();
return new ParameterMethodRemapper(methodVisitor, remapper, parameters);
}
}

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@ -1,105 +0,0 @@
package dev.frogmc.thyroxine.api;
import java.util.HashSet;
import java.util.Locale;
import java.util.Map;
import java.util.Set;
import dev.frogmc.thyroxine.Constants;
import org.objectweb.asm.Label;
import org.objectweb.asm.MethodVisitor;
import org.objectweb.asm.Type;
import org.objectweb.asm.commons.Remapper;
public class ParameterMethodRemapper extends MethodVisitor {
private final Remapper remapper;
private final Map<Integer, String> parameters;
private final Set<String> usedLocalNames = new HashSet<>();
public ParameterMethodRemapper(MethodVisitor methodVisitor, Remapper remapper, Map<Integer, String> parameters) {
super(Constants.ASM_VERSION, methodVisitor);
this.remapper = remapper;
this.parameters = parameters;
}
@Override
public void visitLocalVariable(String name, String descriptor, String signature, Label start, Label end, int index) {
if (!name.equals("this")) {
if (parameters.containsKey(index)) {
name = parameters.get(index);
} else {
name = getNewName(descriptor, signature);
}
}
super.visitLocalVariable(name, descriptor, signature, start, end, index);
}
private String getNewName(String descriptor, String signature) {
descriptor = remapper.mapDesc(descriptor);
signature = remapper.mapSignature(signature, false);
String newName = convertDescriptor(descriptor);
int count = 1;
String nameCopy = newName;
while (usedLocalNames.contains(newName)) {
if (signature != null) {
String type = cleanType(signature);
if (!newName.toLowerCase(Locale.ROOT).contains(type.toLowerCase(Locale.ROOT))) {
newName = Character.toLowerCase(type.charAt(0)) + type.substring(1) +
Character.toUpperCase(newName.charAt(0)) + newName.substring(1);
continue;
}
}
newName = nameCopy + ++count;
}
usedLocalNames.add(newName);
return newName;
}
private String convertDescriptor(String descriptor) {
return switch (descriptor.charAt(0)) {
case 'I' -> "i";
case 'B' -> "b";
case 'C' -> "c";
case 'S' -> "s";
case 'D' -> "d";
case 'F' -> "f";
case 'J' -> "l";
case 'Z' -> "bl";
case '[' -> {
Type type = Type.getType(descriptor).getElementType();
if (type.getSort() == Type.OBJECT) {
yield convertDescriptor(type.getInternalName()) + "s";
}
yield type.getClassName() + "s";
}
default -> {
String name = cleanType(descriptor);
name = Character.toLowerCase(name.charAt(0)) + name.substring(1);
yield name;
}
};
}
private String cleanType(String type) {
var cleaned = type;
if (cleaned.indexOf('<') != -1) {
cleaned = cleaned.substring(0, cleaned.indexOf('<'));
}
if (cleaned.indexOf('/') != -1) {
cleaned = cleaned.substring(cleaned.lastIndexOf('/') + 1);
}
cleaned = cleaned.replaceAll("\\$\\d+;", "");
if (cleaned.indexOf('$') != -1) {
cleaned = cleaned.substring(cleaned.lastIndexOf('$') + 1);
}
cleaned = cleaned.replace("[", "").replace("]", "").replaceAll("(.*)\\d", "$1").replace(";", "");
return cleaned;
}
}

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@ -1,123 +0,0 @@
package dev.frogmc.thyroxine.api.data;
import java.util.ArrayList;
import java.util.List;
import java.util.Optional;
public record DocumentationData(String namespace, List<Package> packages, List<Class> classes) {
public DocumentationData(String namespace) {
this(namespace, new ArrayList<>(), new ArrayList<>());
}
public DocumentationData insert(DocumentationData other) {
other.classes().forEach(c -> {
Optional<Class> opt = getClass(c.name);
if (opt.isPresent()) {
opt.get().merge(c);
} else {
classes.add(c);
}
});
other.packages().forEach(p -> {
Optional<Package> opt = getPackage(p.name);
if (opt.isPresent()) {
opt.get().merge(p);
} else {
packages.add(p);
}
});
return this;
}
public Optional<Class> getClass(String name) {
if (classes == null){
return Optional.empty();
}
return classes.stream().filter(c -> c.name().equals(name)).findFirst();
}
public Optional<Package> getPackage(String name) {
if (packages == null){
return Optional.empty();
}
return packages().stream().filter(p -> p.name().equals(name)).findFirst();
}
public record Package(String name, List<String> javadoc) {
public void merge(Package other) {
if (other.javadoc() != null && !String.join("\n", other.javadoc()).equals(String.join("\n", javadoc()))) {
javadoc().addAll(other.javadoc());
}
}
}
public record Class(String name, List<String> javadoc, List<Field> fields, List<Method> methods) {
public Optional<Field> getField(String name, String descriptor) {
if (fields == null){
return Optional.empty();
}
return fields.stream()
.filter(f -> f.name.equals(name) &&
f.descriptor.equals(descriptor))
.findFirst();
}
public Optional<Method> getMethod(String name, String descriptor) {
if (methods == null){
return Optional.empty();
}
return methods.stream()
.filter(method -> method.name.equals(name) &&
method.descriptor.equals(descriptor))
.findFirst();
}
public void merge(Class other) {
if (other.javadoc() != null && !String.join("\n", other.javadoc()).equals(String.join("\n", javadoc()))) {
if (!other.javadoc().isEmpty()) {
javadoc().addAll(other.javadoc());
}
}
other.fields.forEach(f -> {
Optional<Field> opt = getField(f.name, f.descriptor);
if (opt.isPresent()) {
opt.get().merge(f);
} else {
fields.add(f);
}
});
other.methods.forEach(m -> {
Optional<Method> opt = getMethod(m.name, m.descriptor);
if (opt.isPresent()) {
opt.get().merge(m);
} else {
methods.add(m);
}
});
}
}
public record Field(String name, String descriptor, List<String> javadoc) {
public void merge(Field other) {
if (other.javadoc() != null && !String.join("\n", other.javadoc()).equals(String.join("\n", javadoc()))) {
javadoc().addAll(other.javadoc());
}
}
}
public record Method(String name, String descriptor, List<String> javadoc) {
public void merge(Method other) {
if (other.javadoc() != null && !String.join("\n", other.javadoc()).equals(String.join("\n", javadoc()))) {
javadoc().addAll(other.javadoc());
}
}
}
}

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@ -1,358 +0,0 @@
package dev.frogmc.thyroxine.api.data;
import java.util.*;
import java.util.stream.Collectors;
import dev.frogmc.thyroxine.api.Mapper;
public record MappingBundle(List<MappingData> data, List<DocumentationData> documentation) {
public MappingBundle() {
this((MappingData) null);
}
public MappingBundle(MappingData data) {
this(data, null);
}
public MappingBundle(DocumentationData data) {
this(null, data);
}
public MappingBundle(MappingData data, DocumentationData documentation) {
this(list(data), list(documentation));
}
private static <T> List<T> list(T element) { // create a mutable list populated with a single element
List<T> list = new ArrayList<>();
if (element != null) {
list.add(element);
}
return list;
}
public static MappingBundle merge(MappingBundle... bundles) {
List<MappingData> mergedData = new ArrayList<>();
List<DocumentationData> mergedDocs = new ArrayList<>();
for (MappingBundle bundle : bundles) {
mergedData.addAll(bundle.data());
mergedDocs.addAll(bundle.documentation());
}
return new MappingBundle(mergedData, mergedDocs);
}
public MappingBundle insert(MappingData data) {
this.data.add(data);
return this;
}
public MappingBundle insert(DocumentationData data) {
for (DocumentationData d : documentation) {
if (d.namespace().equals(data.namespace())) {
d.insert(data);
return this;
}
}
documentation.add(data);
return this;
}
public List<String> srcNamespaces() {
return data.stream().map(MappingData::srcNamespace).toList();
}
public List<String> dstNamespaces() {
return data.stream().map(MappingData::dstNamespace).toList();
}
public MappingData forNamespaces(String src, String dst) {
return flattenInternal(src, dst, false);
}
public MappingData forNamespaces(String src, String dst, boolean allowIncomplete) {
return flattenInternal(src, dst, allowIncomplete);
}
public MappingBundle flatten(String src, String dst) {
return flatten(src, dst, false);
}
public MappingBundle flatten(String src, String dst, boolean allowIncomplete) {
MappingData data = flattenInternal(src, dst, allowIncomplete);
return new MappingBundle(data, get(data.dstNamespace()));
}
public DocumentationData docsForNamespace(String ns) {
DocumentationData result = new DocumentationData(ns);
for (DocumentationData d : documentation) {
if (d.namespace().equals(ns)) {
result.insert(d);
} else {
Mapper mappings = new Mapper(forNamespaces(d.namespace(), ns, false), a -> Collections.emptyList());
DocumentationData remapped = new DocumentationData(ns);
// TODO is there something we can do about the packages...? (don't think so)
d.classes().forEach(c -> {
String name = mappings.map(c.name());
List<DocumentationData.Method> methods = c.methods().stream().map(m ->
new DocumentationData.Method(mappings.mapMethodName(c.name(), m.name(), m.descriptor()),
mappings.mapMethodDesc(m.descriptor()), m.javadoc())).toList();
List<DocumentationData.Field> fields = c.fields().stream().map(f ->
new DocumentationData.Field(mappings.mapFieldName(c.name(), f.name(), f.descriptor()),
mappings.mapDesc(f.descriptor()), f.javadoc())).collect(Collectors.toCollection(ArrayList::new));
remapped.classes().add(new DocumentationData.Class(name, c.javadoc(), fields, methods));
});
result.insert(remapped);
}
}
return result;
}
public MappingBundle flatten() {
return flatten(false);
}
public MappingBundle flatten(boolean allowIncomplete) {
MappingData data = flattenData(allowIncomplete);
return new MappingBundle(data, get(data.dstNamespace()));
}
public MappingData flattenData(boolean allowIncomplete) {
Set<String> overlayNs = new HashSet<>();
for (MappingData d : data()) {
if (d.srcNamespace().equals(d.dstNamespace())) {
overlayNs.add(d.srcNamespace());
}
}
List<String> srcNs = srcNamespaces();
List<String> dstNs = dstNamespaces();
List<String> srcNsCandidates = srcNs.stream().distinct().filter(s -> !dstNs.contains(s) && !overlayNs.contains(s)).toList();
List<String> dstNsCandidates = dstNs.stream().distinct().filter(s -> !srcNs.contains(s) || overlayNs.contains(s)).toList();
if (srcNsCandidates.size() > 1) {
throw new IllegalStateException("Not a linear graph, cannot flatten! Got possible roots: " + String.join(", ", srcNsCandidates));
} else if (srcNsCandidates.isEmpty()) {
throw new IllegalStateException("Not a linear graph, cannot flatten! Got no possible roots! SrcNamespaces: " + String.join(", ", srcNs) + " Overlays: " + String.join(", ", overlayNs));
}
if (dstNsCandidates.size() > 1) {
throw new IllegalStateException("Not a linear graph, cannot flatten! Got possible ends: " + String.join(", ", dstNsCandidates));
} else if (dstNsCandidates.isEmpty()) {
throw new IllegalStateException("Not a linear graph, cannot flatten! Got no possible roots! DstNamespaces: " + String.join(", ", dstNs));
}
String srcRoot = srcNsCandidates.getFirst();
String dstRoot = dstNsCandidates.getFirst();
return flattenInternal(srcRoot, dstRoot, allowIncomplete);
}
private MappingData flattenInternal(String srcRoot, String dstRoot, boolean allowIncomplete) {
Deque<MappingData> path = computePath(srcRoot, dstRoot).reversed();
MappingData result = new MappingData(srcRoot, dstRoot);
MappingData first = path.pop();
Map<String, Map<String, Mapper>> mappers = new HashMap<>();
Mapper start = mappers.computeIfAbsent(first.srcNamespace(),
a -> new HashMap<>()).computeIfAbsent(first.dstNamespace(),
a -> new Mapper(first, b -> Collections.emptyList()));
first.classes().forEach((s, s2) -> {
String res = s2;
for (MappingData d : path) {
String w = res;
res = d.classes().get(res);
if (res == null) {
int dollar = w.indexOf("$");
if (dollar != -1) {
String prefix = d.classes().get(w.substring(0, dollar));
if (prefix != null) {
res = prefix + w.substring(dollar);
break;
}
}
if (!allowIncomplete) {
/*
* The mapping set is incomplete at this point.
* We're using the last available value to prevent incompleteness
* in the resulting set.
*/
res = w;
}
break;
}
}
if (res != null) {
result.classes().put(s, res);
}
});
first.methods().forEach((member, s) -> {
String res = s;
String owner = start.map(member.owner());
String desc = start.mapMethodDesc(member.descriptor());
for (MappingData d : path) {
Mapper mapper = mappers.computeIfAbsent(d.srcNamespace(),
a -> new HashMap<>()).computeIfAbsent(d.dstNamespace(),
a -> new Mapper(d, b -> Collections.emptyList()));
String w = res;
res = d.methods().get(new Member(owner, res, desc));
owner = mapper.map(owner);
desc = mapper.mapMethodDesc(desc);
if (res == null) {
if (!allowIncomplete) {
/*
* The mapping set is incomplete at this point.
* We're using the last available value to prevent incompleteness
* in the resulting set.
*/
res = w;
}
break;
}
}
if (res != null) {
result.methods().put(member, res);
}
});
first.fields().forEach((member, s) -> {
String res = s;
String owner = start.map(member.owner());
String desc = start.mapDesc(member.descriptor());
for (MappingData d : path) {
Mapper mapper = mappers.computeIfAbsent(d.srcNamespace(),
a -> new HashMap<>()).computeIfAbsent(d.dstNamespace(),
a -> new Mapper(d, b -> Collections.emptyList()));
String w = res;
res = d.fields().get(new Member(owner, res, desc));
owner = mapper.map(owner);
desc = mapper.mapDesc(desc);
if (res == null) {
if (!allowIncomplete) {
/*
* The mapping set is incomplete at this point.
* We're using the last available value to prevent incompleteness
* in the resulting set.
*/
res = w;
}
break;
}
}
if (res != null) {
result.fields().put(member, res);
}
});
{
List<MappingData> all = new ArrayList<>(path);
all.addFirst(first);
Map<Member, Map<Integer, String>> queue = new HashMap<>();
for (MappingData d : all) {
queue.putAll(d.parameters());
Mapper mapper = mappers.computeIfAbsent(d.srcNamespace(),
a -> new HashMap<>()).computeIfAbsent(d.dstNamespace(),
a -> new Mapper(d, b -> Collections.emptyList()));
Map<Member, Map<Integer, String>> map = new HashMap<>(queue);
queue.clear();
map.forEach((member, param) -> queue.put(new Member(mapper.map(member.owner()),
mapper.mapMethodName(member.owner(), member.name(), member.descriptor()),
mapper.mapMethodDesc(member.descriptor())),
param));
}
result.parameters().putAll(queue);
}
return result;
}
private Deque<MappingData> computePath(String srcRoot, String dstRoot) {
Deque<MappingData> path = new ArrayDeque<>();
List<MappingData> available = new ArrayList<>(data);
for (MappingData d : data) {
if (d.srcNamespace().equals(srcRoot)) {
path.push(d);
available.remove(d);
break;
} else if (d.dstNamespace().equals(srcRoot)) {
path.push(d.reverse());
available.remove(d);
break;
}
}
while (!path.getFirst().dstNamespace().equals(dstRoot)) {
MappingData last = path.getFirst();
String needed = last.dstNamespace();
for (MappingData d : new ArrayList<>(available)) {
if (d.srcNamespace().equals(needed)) {
available.remove(d);
path.push(d);
} else if (d.dstNamespace().equals(needed)) {
available.remove(d);
path.push(d.reverse());
}
}
}
for (MappingData d : available) {
if (d.srcNamespace().equals(d.dstNamespace()) && d.srcNamespace().equals(dstRoot)) {
path.push(d);
}
}
return path;
}
public MappingBundle insert(MappingData data, DocumentationData documentation) {
return insert(data).insert(documentation);
}
public MappingBundle insert(MappingBundle other) {
return insert(other.data, other.documentation);
}
public MappingBundle insert(List<MappingData> data, List<DocumentationData> documentation) {
data.forEach(this::insert);
documentation.forEach(this::insert);
return this;
}
public DocumentationData get(String namespace) {
DocumentationData result = null;
for (DocumentationData d : documentation) {
if (d.namespace().equals(namespace)) {
if (result == null) {
result = new DocumentationData(namespace);
}
result.insert(d);
}
}
return result;
}
public MappingData getWithSrcNamespace(String namespace) {
return data.stream().filter(d -> d.srcNamespace().equals(namespace)).findFirst().orElse(null);
}
public MappingData getWithDstNamespace(String namespace) {
return data.stream().filter(d -> d.dstNamespace().equals(namespace)).findFirst().orElse(null);
}
public MappingBundle reverse() {
MappingBundle reversed = new MappingBundle();
for (MappingData d : data) {
reversed.data().addFirst(d.reverse());
}
reversed.documentation.addAll(documentation);
return reversed;
}
public MappingData flattenData() {
return flattenData(false);
}
}

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package dev.frogmc.thyroxine.api.data;
import java.util.Arrays;
import java.util.HashMap;
import java.util.Map;
import org.objectweb.asm.Type;
public record MappingData(String srcNamespace, String dstNamespace, Map<String, String> classes, Map<Member, String> methods,
Map<Member, String> fields, Map<Member, Map<Integer, String>> parameters) {
public MappingData(String srcNs, String dstNs) {
this(srcNs, dstNs, new HashMap<>(), new HashMap<>(), new HashMap<>(), new HashMap<>());
}
public MappingData reverse() {
Map<String, String> classesReversed = new HashMap<>();
Map<Member, String> methodsReversed = new HashMap<>();
Map<Member, String> fieldsReversed = new HashMap<>();
Map<Member, Map<Integer, String>> parametersReversed = new HashMap<>();
for (Map.Entry<String, String> clazz : classes.entrySet())
classesReversed.put(clazz.getValue(), clazz.getKey());
for (Map.Entry<Member, String> method : methods.entrySet()) {
methodsReversed.put(
new Member(
classes.getOrDefault(method.getKey().owner(), method.getKey().owner()),
method.getValue(),
remapType(Type.getType(method.getKey().descriptor())).getDescriptor()
),
method.getKey().name()
);
}
for (Map.Entry<Member, String> field : fields.entrySet()) {
fieldsReversed.put(
new Member(
classes.getOrDefault(field.getKey().owner(), field.getKey().owner()),
field.getValue(),
remapType(Type.getType(field.getKey().descriptor())).getDescriptor()
),
field.getKey().name()
);
}
for (Map.Entry<Member, Map<Integer, String>> param : parameters.entrySet()) {
parametersReversed.put(new Member(
classes.getOrDefault(param.getKey().owner(), param.getKey().owner()),
fields.getOrDefault(param.getKey(), param.getKey().name()),
remapType(Type.getType(param.getKey().descriptor())).getDescriptor()
), param.getValue());
}
return new MappingData(dstNamespace, srcNamespace, classesReversed, methodsReversed, fieldsReversed, parametersReversed);
}
private Type remapType(Type type) {
return switch (type.getSort()) {
case Type.OBJECT ->
Type.getObjectType(classes.getOrDefault(type.getInternalName(), type.getInternalName()));
case Type.ARRAY -> Type.getObjectType(
"[".repeat(type.getDimensions()) + remapType(type.getElementType()).getDescriptor()
);
case Type.METHOD -> Type.getMethodType(
remapType(type.getReturnType()),
Arrays.stream(type.getArgumentTypes()).map(this::remapType).toArray(Type[]::new)
);
default -> type;
};
}
}

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@ -1,4 +0,0 @@
package dev.frogmc.thyroxine.api.data;
public record Member(String owner, String name, String descriptor) {
}

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@ -1,97 +0,0 @@
package dev.frogmc.thyroxine.parser;
import dev.frogmc.thyroxine.api.data.MappingData;
import dev.frogmc.thyroxine.api.data.Member;
public class ProguardParser {
public static MappingData read(String mappings) {
String[] lines = mappings.split("\n");
MappingData data = new MappingData("named", "official");
String currentClass = null;
for (String line : lines) {
if (line.contains("#")) {
line = line.substring(0, line.indexOf('#'));
}
line = line.trim();
if (line.isEmpty()) {
continue;
}
int arrowIndex = line.indexOf("->");
if (arrowIndex == -1) {
throw new IllegalStateException("Missing arrow in mapping");
}
String obf = line.substring(0, arrowIndex).trim();
String deobf = line.substring(arrowIndex + 2).trim();
if (line.endsWith(":")) {
deobf = deobf.substring(0, deobf.length() - 1);
currentClass = obf.replace('.', '/');
data.classes().put(currentClass, deobf.replace('.', '/'));
} else {
if (currentClass == null) {
throw new IllegalStateException("Member mapping specified before a class");
}
int spaceIndex = obf.indexOf(' ');
if (spaceIndex == -1) {
throw new IllegalStateException("Missing member signature");
}
String type = obf.substring(0, spaceIndex);
String signature = obf.substring(spaceIndex + 1);
int colonIndex = type.lastIndexOf(':');
if (colonIndex != -1)
type = type.substring(colonIndex + 1);
if (signature.contains("(") && signature.endsWith(")")) {
// method
String name = signature.substring(0, signature.indexOf('('));
String args = signature.substring(signature.indexOf('(') + 1, signature.length() - 1);
StringBuilder descriptor = new StringBuilder();
descriptor.append('(');
if (!args.isEmpty()) {
for (String arg : args.split(",")) {
descriptor.append(convertType(arg));
}
}
descriptor.append(')');
descriptor.append(convertType(type));
data.methods().put(new Member(currentClass, name, descriptor.toString()), deobf);
} else
data.fields().put(new Member(currentClass, signature, convertType(type)), deobf);
}
}
return data;
}
private static String convertType(String type) {
int dimensions = 0;
while (type.endsWith("[]")) {
type = type.substring(0, type.length() - 2);
++dimensions;
}
String result = switch (type) {
case "void" -> "V";
case "boolean" -> "Z";
case "byte" -> "B";
case "short" -> "S";
case "int" -> "I";
case "long" -> "J";
case "float" -> "F";
case "double" -> "D";
case "char" -> "C";
default -> 'L' + type.replace('.', '/') + ';';
};
return "[".repeat(dimensions) + result;
}
}

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@ -1,82 +0,0 @@
package dev.frogmc.thyroxine.parser.tiny;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import dev.frogmc.thyroxine.api.data.MappingBundle;
import dev.frogmc.thyroxine.api.data.MappingData;
import dev.frogmc.thyroxine.api.data.Member;
public class TinyV1Parser {
public static final Pattern HEADER = Pattern.compile("v(?<majorVer>[12]+)\\s\\w*\\s?(?<srcns>\\S+)\\s(?<dstns>\\S+)");
public static MappingBundle parse(String mappings) {
String[] lines = mappings.split("\n");
int length = lines.length;
Matcher header = HEADER.matcher(lines[0]);
if (!header.matches()) {
throw new IllegalStateException("Not a valid tiny file");
}
MappingData data = new MappingData(header.group("srcns"), header.group("dstns"));
//DocumentationData documentation = new DocumentationData();
for (int i = 1; i < length; i++) {
String[] line = lines[i].split("\\s");
String type = line[0];
if ("CLASS".equals(type)) {
data.classes().put(line[1], line[2]);
//documentation.classes().add(new DocumentationData.Class(line[1], new ArrayList<>(0), new ArrayList<>(), new ArrayList<>()));
continue;
}
if ("FIELD".equals(type)) {
String desc = line[2];
String obf = line[line.length - 2]; // aaa these files can contain more than two namespaces, we *should* be fine by just using the last two
String deobf = line[line.length - 1];
data.fields().put(new Member(line[1], obf, desc), deobf);
//documentation.getClass(line[1]).ifPresent(c -> c.fields().add(new DocumentationData.Field(obf, desc, new ArrayList<>())));
//continue;
} else if ("METHOD".equals(type)) {
String desc = line[2];
String obf = line[line.length - 2]; // aaa these files can contain more than two namespaces, we *should* be fine by just using the last two
String deobf = line[line.length - 1];
data.methods().put(new Member(line[1], obf, desc), deobf);
//documentation.getClass(line[1]).ifPresent(c -> c.methods().add(new DocumentationData.Method(obf, desc, new ArrayList<>(), new ArrayList<>())));
//continue;
}
// TODO Observe if there are any tinyv1 files with javadocs and/or parameter mappings
/* else if ("c".equals(type)) {
currentC.javadoc().addAll(Arrays.asList(line[2].split("\n")));
continue;
}
if (currentF == null && currentM == null) {
throw new IllegalStateException("Field javadoc/Method parameter mapping/javadoc specified before a declaration");
}
if (currentM != null) {
if ("p".equals(type)) {
currentM.parameters().add(new DocumentationData.Parameter(Integer.parseInt(line[3]), line[5]));
} else if ("c".equals(type)) {
currentM.javadoc().addAll(Arrays.asList(line[2].split("\n")));
}
} else {
if ("c".equals(type)) {
currentF.javadoc().addAll(Arrays.asList(line[2].split("\n")));
}
}*/
}
return new MappingBundle(data);
}
}

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@ -1,135 +0,0 @@
package dev.frogmc.thyroxine.parser.tiny;
import java.util.*;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import dev.frogmc.thyroxine.api.Mapper;
import dev.frogmc.thyroxine.api.data.DocumentationData;
import dev.frogmc.thyroxine.api.data.MappingBundle;
import dev.frogmc.thyroxine.api.data.MappingData;
import dev.frogmc.thyroxine.api.data.Member;
public class TinyV2Parser {
private static final Pattern HEADER = Pattern.compile("tiny\t(?<majorVer>\\d+)\t(?<minorVer>\\d+)\t(?<namespaces>(?:\t?[^\t]+){2,})");
public static MappingBundle parse(String mappings) {
String[] lines = mappings.split("\n");
int length = lines.length;
Matcher header = HEADER.matcher(lines[0]);
if (!header.matches()) {
throw new IllegalStateException("Not a valid tiny file! (header: "+lines[0]+")");
}
List<String> namespaces = Arrays.asList(header.group("namespaces").split("\t"));
int count = namespaces.size();
MappingBundle bundle = new MappingBundle();
List<Mapper> mappers = new ArrayList<>();
for (int ns = 1;ns<count;ns++) {
String srcNs = namespaces.get(ns-1);
String dstNs = namespaces.get(ns);
MappingData data = new MappingData(srcNs, dstNs);
String currentClass = null;
DocumentationData.Class currentC = null;
DocumentationData.Method currentM = null;
DocumentationData.Field currentF = null;
DocumentationData documentation = new DocumentationData(dstNs);
for (int i = 1; i < length; i++) {
String[] line = lines[i].split("\t");
if ("c".equals(line[0])) {
if (1+ns >= line.length) {
while (lines[i + 1].startsWith("\t")) {
i++;
}
continue;
}
currentClass = line[ns];
data.classes().put(currentClass, line[1+ns]);
documentation.classes().add(currentC = new DocumentationData.Class(line[1+ns], new ArrayList<>(0), new ArrayList<>(), new ArrayList<>()));
currentM = null;
currentF = null;
continue;
}
if (currentClass == null) {
throw new IllegalStateException("Member mapping specified before a class");
}
{
String type = line[1];
if ("f".equals(type)) {
if (3+ns >= line.length) {
continue;
}
String desc = line[2];
String obf = line[2+ns];
String deobf = line[3+ns];
if (ns > 1) {
for (Mapper mapper : mappers) {
desc = mapper.mapDesc(desc);
}
}
data.fields().put(new Member(currentClass, obf, desc), deobf);
currentC.fields().add(currentF = new DocumentationData.Field(deobf, desc, new ArrayList<>()));
continue;
} else if ("m".equals(type)) {
if (3+ns >= line.length) {
continue;
}
String desc = line[2];
String obf = line[2+ns];
String deobf = line[3+ns];
if (ns > 1) {
for (Mapper mapper : mappers) {
desc = mapper.mapMethodDesc(desc);
}
}
data.methods().put(new Member(currentClass, obf, desc), deobf);
currentC.methods().add(currentM = new DocumentationData.Method(deobf, desc, new ArrayList<>()));
continue;
} else if ("c".equals(type)) {
currentC.javadoc().addAll(Arrays.asList(line[2].split("\n")));
continue;
}
}
if (currentF == null && currentM == null) {
continue;
}
{
String type = line[2];
if (currentM != null) {
if ("p".equals(type)) {
if (4+ns >= line.length) {
continue;
}
data.parameters().computeIfAbsent(new Member(currentClass, currentM.name(), currentM.descriptor()), a -> new HashMap<>())
.put(Integer.parseInt(line[3]), line[4+ns]);
} else if ("c".equals(type)) {
currentM.javadoc().addAll(Arrays.asList(line[3].split("\n")));
}
} else {
if ("c".equals(type)) {
currentF.javadoc().addAll(Arrays.asList(line[3].split("\n")));
}
}
}
}
mappers.add(new Mapper(data, s -> Collections.emptyList()));
bundle.insert(data, documentation);
}
return bundle;
}
}

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@ -1,64 +0,0 @@
package dev.frogmc.thyroxine.provider;
import java.io.IOException;
import java.nio.charset.StandardCharsets;
import java.nio.file.Files;
import java.nio.file.Path;
import java.util.List;
import java.util.Map;
import com.electronwill.nightconfig.core.UnmodifiableConfig;
import dev.frogmc.thyroxine.Constants;
import dev.frogmc.thyroxine.HttpHelper;
import dev.frogmc.thyroxine.api.data.MappingBundle;
import dev.frogmc.thyroxine.api.data.MappingData;
import dev.frogmc.thyroxine.parser.ProguardParser;
public class MojmapProvider {
public static MappingBundle get(String gameVersion, Path clientCacheFile, Path serverCacheFile) throws IOException {
MappingData client = ProguardParser.read(getMappings(gameVersion, "client", clientCacheFile));
MappingData server = ProguardParser.read(getMappings(gameVersion, "server", serverCacheFile));
client.classes().putAll(server.classes());
client.fields().putAll(server.fields());
client.methods().putAll(server.methods());
client.parameters().putAll(server.parameters());
return new MappingBundle(client);
}
public static MappingBundle get(String gameVersion, String env, Path cacheFile) throws IOException {
return new MappingBundle(ProguardParser.read(getMappings(gameVersion, env, cacheFile)));
}
@SuppressWarnings("unchecked")
private static String getMappings(String gameVersion, String env, Path cacheFile) throws IOException {
if (Files.exists(cacheFile)) {
return Files.readString(cacheFile, StandardCharsets.UTF_8);
}
UnmodifiableConfig manifest = HttpHelper.getJson(Constants.VERSION_MANIFEST);
String versionName;
if (gameVersion.startsWith("latest-")) {
versionName = (String) ((Map<?, ?>) manifest.get("latest")).get(gameVersion.split("-")[1]);
} else {
versionName = gameVersion;
}
System.out.println("Loading version: " + versionName);
for (UnmodifiableConfig version : (List<UnmodifiableConfig>) manifest.get("versions")) {
if (version.get("id").equals(versionName)) {
UnmodifiableConfig versionManifest = HttpHelper.getJson(version.get("url"));
String mappingsUrl = ((UnmodifiableConfig) ((UnmodifiableConfig) versionManifest
.get("downloads")).get(env+"_mappings")).get("url");
String s = HttpHelper.getString(mappingsUrl);
Files.createDirectories(cacheFile.getParent());
Files.writeString(cacheFile, s);
return s;
}
}
throw new IllegalArgumentException("Could not find mojmap for the specified version: " + gameVersion + "/"+env+"!");
}
}

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@ -1,138 +0,0 @@
package dev.frogmc.thyroxine.provider;
import javax.xml.parsers.DocumentBuilderFactory;
import javax.xml.parsers.ParserConfigurationException;
import java.io.IOException;
import java.io.InputStream;
import java.net.URI;
import java.nio.file.FileSystem;
import java.nio.file.FileSystems;
import java.nio.file.Files;
import java.nio.file.Path;
import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;
import java.util.*;
import com.electronwill.nightconfig.core.UnmodifiableConfig;
import dev.frogmc.thyroxine.Constants;
import dev.frogmc.thyroxine.HttpHelper;
import dev.frogmc.thyroxine.api.data.DocumentationData;
import dev.frogmc.thyroxine.api.data.MappingBundle;
import dev.frogmc.thyroxine.api.data.MappingData;
import dev.frogmc.thyroxine.api.data.Member;
import org.w3c.dom.Document;
import org.xml.sax.SAXException;
public class ParchmentProvider {
private static final String PARCHMENT_URL = "https://maven.parchmentmc.org/org/parchmentmc/data";
private static String getParchmentUrl(String gameVersion) {
return PARCHMENT_URL + "/parchment-" + gameVersion;
}
private static String findParchmentVersion(String gameVersion) throws IOException {
String url = getParchmentUrl(gameVersion) + "/maven-metadata.xml";
try (InputStream
stream = URI.create(url).toURL().openStream()) {
Document document = DocumentBuilderFactory.newInstance()
.newDocumentBuilder().parse(stream);
return document.getElementsByTagName("release").item(0).getTextContent();
} catch (IOException | SAXException | ParserConfigurationException e) {
throw new IOException(e);
}
}
public static MappingBundle getParchment(String gameVersion, Path cacheDir) throws IOException {
return getParchment(gameVersion, findParchmentVersion(gameVersion), cacheDir);
}
public static MappingBundle getParchment(String gameVersion, String parchmentVer, Path cacheDir) throws IOException {
return getParchment(gameVersion, parchmentVer, cacheDir, false);
}
public static MappingBundle getParchment(String gameVersion, String parchmentVer, Path cacheDir, boolean forceDownload) throws IOException {
long time = System.currentTimeMillis();
System.out.println("Loading Parchment mappings..");
var cachePath = cacheDir.resolve("parchment-" + gameVersion + "-" + parchmentVer + ".zip");
Files.createDirectories(cachePath.getParent());
var url = "%s/%s/parchment-%s-%s.zip".formatted(getParchmentUrl(gameVersion), parchmentVer, gameVersion, parchmentVer);
if (forceDownload || Files.notExists(cachePath)) {
HttpHelper.download(url, cachePath);
}
{
try {
var hash = HttpHelper.getString(url + ".sha512").split("\n", 2)[0];
MessageDigest digest = MessageDigest.getInstance("SHA-512");
byte[] out = digest.digest(Files.readAllBytes(cachePath));
StringBuilder sb = new StringBuilder();
for (byte b : out) {
sb.append(Integer.toString((b & 0xff) + 0x100, 16).substring(1));
}
String local = sb.toString();
if (!hash.equals(local)) {
System.out.println("Hashes do not match for " + cachePath + ": " + local + " != " + hash + "; redownloading!");
return getParchment(gameVersion, parchmentVer, cacheDir, true);
}
} catch (NoSuchAlgorithmException e) {
throw new IOException(e);
}
}
MappingBundle parchment = new MappingBundle();
MappingData parameters = new MappingData("named", "named");
try (FileSystem fs = FileSystems.newFileSystem(cachePath)) {
var mappings = Files.readString(fs.getPath("parchment.json"));
UnmodifiableConfig c = Constants.JSON_PARSER.parse(mappings);
// String version = c.get("version"); // currently unused
List<UnmodifiableConfig> packagesList = Objects.requireNonNullElse(c.get("packages"), Collections.emptyList());
List<DocumentationData.Package> packages = new ArrayList<>();
packagesList.forEach(config ->
packages.add(new DocumentationData.Package(config.get("name"), new ArrayList<>(Objects.requireNonNullElse(c.get("javadoc"),
Collections.emptyList())))));
List<DocumentationData.Class> classes = new ArrayList<>();
List<UnmodifiableConfig> classesList = Objects.requireNonNullElse(c.get("classes"), Collections.emptyList());
classesList.forEach(config -> {
List<DocumentationData.Method> methods = new ArrayList<>();
List<DocumentationData.Field> fields = new ArrayList<>();
List<UnmodifiableConfig> methodsList = Objects.requireNonNullElse(config.get("methods"), Collections.emptyList());
methodsList.forEach(uc -> {
List<String> javadoc = uc.get("javadoc");
List<UnmodifiableConfig> parametersList = Objects.requireNonNullElse(uc.get("parameters"), Collections.emptyList());
for (UnmodifiableConfig puC : parametersList) {
parameters.parameters().computeIfAbsent(new Member(config.get("name"), uc.get("name"), uc.get("descriptor")),
a -> new HashMap<>()).put(puC.get("index"), puC.get("name"));
String doc = puC.get("javadoc");
if (doc != null) {
if (javadoc == null) {
javadoc = new ArrayList<>();
}
javadoc.add("@parameter " + puC.get("name") + " " + doc);
}
}
methods.add(new DocumentationData.Method(uc.get("name"), uc.get("descriptor"), Objects.requireNonNullElse(javadoc, new ArrayList<>())));
});
List<UnmodifiableConfig> fieldsList = Objects.requireNonNullElse(config.get("fields"), Collections.emptyList());
fieldsList.forEach(uc -> {
List<String> javadoc = new ArrayList<>(uc.get("javadoc"));
fields.add(new DocumentationData.Field(uc.get("name"), uc.get("descriptor"), javadoc));
});
classes.add(new DocumentationData.Class(config.get("name"), new ArrayList<>(Objects.requireNonNullElse(config.get("javadoc"),
Collections.emptyList())), fields, methods));
});
parchment.insert(parameters, new DocumentationData("named", packages, classes));
}
System.out.printf("Finished loading (%.2fs)\n", (System.currentTimeMillis() - time) / 1000F);
return parchment;
}
public static String findForMinecraftVersion(String minecraftVersion) throws IOException {
return findParchmentVersion(minecraftVersion);
}
}

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@ -1,51 +0,0 @@
package dev.frogmc.thyroxine.writer;
import java.io.PrintWriter;
import java.io.Writer;
import java.util.Arrays;
import java.util.Collections;
import java.util.HashMap;
import java.util.Map;
import dev.frogmc.thyroxine.api.data.MappingBundle;
import dev.frogmc.thyroxine.api.data.MappingData;
import dev.frogmc.thyroxine.api.data.Member;
import org.objectweb.asm.Type;
public class ProguardWriter {
/**
* WARNING: This format should probably not be used.
* <strong>The Proguard format does not support parameter mappings or javadocs.
* This means that this process is likely to be lossy!</strong>
*
* @param bundle the data
* @param writer a writer for the mappings to be written to
*/
public static void write(MappingBundle bundle, Writer writer) {
MappingData data = bundle.flattenData(); // we can only have 2 namespaces.
Map<String, Map<Member, String>> methods = new HashMap<>();
Map<String, Map<Member, String>> fields = new HashMap<>();
data.methods().forEach((member, s) -> methods.computeIfAbsent(member.owner(), a -> new HashMap<>()).put(member, s));
data.fields().forEach((member, s) -> fields.computeIfAbsent(member.owner(), a -> new HashMap<>()).put(member, s));
PrintWriter print = new PrintWriter(writer, true);
print.println("# Generated by FrogMC/Thyroxine.");
print.println("# src-ns: " + data.srcNamespace() + " dst-ns: " + data.dstNamespace());
data.classes().keySet().stream().sorted().toList().forEach(s -> {
String s2 = data.classes().get(s);
print.println(s.replace("/", ".") + " -> " + s2.replace("/", "."));
fields.getOrDefault(s, Collections.emptyMap()).forEach((member, s1) ->
print.println(" " + Type.getType(member.descriptor()).getClassName() +
" " + member.name() + " -> " + s1));
methods.getOrDefault(s, Collections.emptyMap()).forEach((member, s1) -> {
Type type = Type.getMethodType(member.descriptor());
print.println(" ::" + type.getReturnType().getClassName() + " " +
member.name() + "(" + String.join(",", Arrays.stream(type.getArgumentTypes())
.map(Type::getClassName).toList()) + ") -> " + s1);
});
});
}
}

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@ -1,34 +0,0 @@
package dev.frogmc.thyroxine.writer.tiny;
import java.io.PrintWriter;
import java.io.Writer;
import dev.frogmc.thyroxine.api.data.MappingBundle;
import dev.frogmc.thyroxine.api.data.MappingData;
public class TinyV1Writer {
/**
* WARNING: This format should probably not be used.
* <strong>Tiny V1 does not support parameter mappings or javadocs.
* This means that this process is likely to be lossy!</strong>
*
* @param bundle the data
* @param writer a writer for the mappings to be written to
*/
public static void write(MappingBundle bundle, Writer writer) {
MappingData data;
if (bundle.srcNamespaces().size() > 1 || bundle.dstNamespaces().size() > 1) {
data = bundle.flattenData(); // we can only have 2 namespaces.
} else {
data = bundle.data().getFirst();
}
PrintWriter print = new PrintWriter(writer, true);
print.println("v1\t" + data.srcNamespace() + "\t" + data.dstNamespace());
data.classes().forEach((s, s2) -> print.println("CLASS\t" + s + "\t" + s2));
data.fields().forEach((member, s) -> print.println("FIELD\t" + member.owner() + "\t" + member.descriptor() + "\t" + member.name() + "\t" + s));
data.methods().forEach((member, s) -> print.println("METHOD\t" + member.owner() + "\t" + member.descriptor() + "\t" + member.name() + "\t" + s));
}
}

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@ -1,188 +0,0 @@
package dev.frogmc.thyroxine.writer.tiny;
import java.io.*;
import java.util.*;
import java.util.stream.Collectors;
import dev.frogmc.thyroxine.api.Mapper;
import dev.frogmc.thyroxine.api.data.DocumentationData;
import dev.frogmc.thyroxine.api.data.MappingBundle;
import dev.frogmc.thyroxine.api.data.MappingData;
import dev.frogmc.thyroxine.api.data.Member;
public class TinyV2Writer {
public static void write(MappingBundle bundle, Writer writer) {
Set<String> overlayNs = new HashSet<>();
for (MappingData d : bundle.data()) {
if (d.srcNamespace().equals(d.dstNamespace())) {
overlayNs.add(d.srcNamespace());
}
}
List<String> srcNs = bundle.srcNamespaces();
List<String> dstNs = bundle.dstNamespaces();
List<String> srcNamespaces = srcNs.stream().distinct().filter(s -> !dstNs.contains(s) && !overlayNs.contains(s)).toList();
if (srcNamespaces.size() > 1) {
throw new IllegalStateException("Mapping Data cannot be reduced to a single source namespace, " +
"please use .flatten(...) to obtain a mappings set with defined namespaces");
}
String srcNamespace = srcNamespaces.getFirst();
Map<String, Map<Integer, String>> classes = new HashMap<>();
Map<String, Map<Member, Map<Integer, String>>> methods = new HashMap<>();
Map<String, Map<Member, Map<Integer, String>>> fields = new HashMap<>();
Map<Member, Map<Integer, Map<Integer, String>>> parameters = new HashMap<>();
Map<String, String> javadocs = new HashMap<>();
List<Mapper> reverseMappers = new ArrayList<>();
String src = srcNamespace;
MappingData data = bundle.getWithSrcNamespace(src);
DocumentationData docs;
int indent = 0;
while (data != null) {
reverseMappers.addFirst(new Mapper(data.reverse(), s -> Collections.emptyList()));
docs = bundle.get(data.dstNamespace());
Map<String, DocumentationData.Class> docsClasses = null;
Mapper selfMap = new Mapper(data, s -> Collections.emptyList());
if (docs != null) {
docsClasses = docs.classes().stream().collect(Collectors.toMap(DocumentationData.Class::name, c -> c));
}
for (Map.Entry<String, String> e : data.classes().entrySet()) {
String k = e.getKey();
String s2 = e.getValue();
String root = k;
for (Mapper mapper : reverseMappers) {
root = mapper.map(root);
}
classes.computeIfAbsent(root, a -> new HashMap<>()).put(indent, s2);
if (docs != null) {
DocumentationData.Class c = docsClasses.get(k);
if (c != null) {
if (c.javadoc() != null && !c.javadoc().isEmpty()) {
javadocs.put(root, String.join("\\n", c.javadoc()));
}
}
}
}
for (Map.Entry<Member, String> entry : data.methods().entrySet()) {
Member key = entry.getKey();
String value = entry.getValue();
Member root = key;
for (Mapper mapper : reverseMappers) {
root = new Member(mapper.map(root.owner()),
mapper.mapMethodName(root.owner(), root.name(), root.descriptor()),
mapper.mapMethodDesc(root.descriptor()));
}
methods.computeIfAbsent(root.owner(), a -> new HashMap<>()).computeIfAbsent(root, a -> new HashMap<>()).put(indent, value);
if (docs != null) {
Member rt = root;
DocumentationData.Class c = docsClasses.get(data.classes().get(key.owner()));
if (c != null) {
c.getMethod(data.methods().get(key), selfMap.mapMethodDesc(key.descriptor()))
.ifPresent(m -> {
if (m.javadoc() != null && !m.javadoc().isEmpty()) {
javadocs.put(rt.owner() + rt.descriptor() + rt.name(), String.join("\\n", m.javadoc()));
}
});
}
}
}
for (Map.Entry<Member, String> entry : data.fields().entrySet()) {
Member member = entry.getKey();
String value = entry.getValue();
Member root = member;
for (Mapper mapper : reverseMappers) {
root = new Member(mapper.map(root.owner()),
mapper.mapFieldName(root.owner(), root.name(), root.descriptor()),
mapper.mapDesc(root.descriptor()));
}
fields.computeIfAbsent(root.owner(), a -> new HashMap<>()).computeIfAbsent(root, a -> new HashMap<>()).put(indent, value);
if (docs != null) {
String id = root.owner() + root.descriptor() + root.name();
DocumentationData.Class c = docsClasses.get(data.classes().get(member.owner()));
if (c != null) {
c.getField(data.fields().get(member), selfMap.mapDesc(member.descriptor()))
.ifPresent(f -> {
if (f.javadoc() != null && !f.javadoc().isEmpty()) {
javadocs.put(id, String.join("\\n", f.javadoc()));
}
});
}
}
}
for (Map.Entry<Member, Map<Integer, String>> entry : data.parameters().entrySet()) {
Member member = entry.getKey();
Map<Integer, String> integerStringMap = entry.getValue();
Member root = member;
for (Mapper mapper : reverseMappers) {
root = new Member(mapper.map(root.owner()),
mapper.mapFieldName(root.owner(), root.name(), root.descriptor()),
mapper.mapDesc(root.descriptor()));
}
Map<Integer, Map<Integer, String>> map = parameters.computeIfAbsent(root, a -> new HashMap<>());
for (Map.Entry<Integer, String> e : integerStringMap.entrySet()) {
Integer integer = e.getKey();
String s = e.getValue();
map.computeIfAbsent(integer, a -> new HashMap<>()).put(indent, s);
}
}
indent++;
src = data.dstNamespace();
data = bundle.getWithSrcNamespace(src);
}
PrintWriter print = new PrintWriter(writer, true);
print.println("tiny\t2\t0\t" + srcNamespace + "\t" + String.join("\t", dstNs));
classes.keySet().stream().sorted().forEach(s -> {
Map<Integer, String> strings = classes.get(s);
print.println("c\t" + s + "\t" + printWithIndent(strings));
if (javadocs.containsKey(s)) {
print.println("\tc\t" + javadocs.get(s));
}
Map<Member, Map<Integer, String>> fmap = fields.getOrDefault(s, Collections.emptyMap());
fmap.keySet().stream().sorted(Comparator.comparing(Member::name)).forEach(m -> {
Map<Integer, String> map = fmap.get(m);
print.println("\tf\t" + m.descriptor() + "\t" + m.name() + "\t" + printWithIndent(map));
String id = m.owner() + m.descriptor() + m.name();
if (javadocs.containsKey(id)) {
print.println("\t\tc\t" + javadocs.get(id));
}
});
Map<Member, Map<Integer, String>> mmap = methods.getOrDefault(s, Collections.emptyMap());
mmap.keySet().stream().sorted(Comparator.comparing(Member::name)).forEach(m -> {
Map<Integer, String> map = mmap.get(m);
print.println("\tm\t" + m.descriptor() + "\t" + m.name() + "\t" + printWithIndent(map));
String id = m.owner() + m.descriptor() + m.name();
if (javadocs.containsKey(id) && !javadocs.get(id).isEmpty()) {
print.println("\t\tc\t" + javadocs.get(id));
}
if (parameters.containsKey(m)) {
parameters.get(m).forEach((integer, ps) -> {
if (ps.values().stream().anyMatch(pname -> !pname.isEmpty())) {
print.println("\t\tp\t" + integer + "\t\t" + printWithIndent(ps));
}
});
}
});
});
}
private static String printWithIndent(Map<Integer, String> map) {
int max = map.keySet().stream().max(Comparator.comparingInt(i -> i)).orElse(0);
StringBuilder builder = new StringBuilder();
for (int current = 0; current <= max; current++) {
if (current > 0) {
builder.append("\t");
}
builder.append(map.getOrDefault(current, ""));
}
String line = builder.toString();
while (line.endsWith("\t")) {
line = line.substring(0, line.length()-1);
}
return line;
}
}

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@ -0,0 +1,12 @@
package io.github.moehreag.mojmap_patcher;
import com.google.gson.Gson;
import com.google.gson.GsonBuilder;
import java.util.regex.Pattern;
public final class Constants {
public static final String VERSION_MANIFEST = "https://piston-meta.mojang.com/mc/game/version_manifest_v2.json";
public static final Gson GSON = new GsonBuilder().create();
public static final Pattern METHOD_PATTERN = Pattern.compile("\\d+:\\d+:.*");
}

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@ -0,0 +1,39 @@
package io.github.moehreag.mojmap_patcher;
import com.google.gson.JsonObject;
import lombok.experimental.UtilityClass;
import java.io.IOException;
import java.io.InputStream;
import java.net.URI;
import java.net.URISyntaxException;
import java.nio.charset.StandardCharsets;
import java.nio.file.Files;
import java.nio.file.Path;
import java.util.HashMap;
import java.util.Map;
import java.util.Optional;
import static io.github.moehreag.mojmap_patcher.Constants.GSON;
@UtilityClass
public class HttpHelper {
private static final Map<String, String> requestCache = new HashMap<>();
public static Optional<JsonObject> getJson(String url) {
return getString(url).map(s -> GSON.fromJson(s, JsonObject.class));
}
public static Optional<String> getString(String url) {
return Optional.ofNullable(requestCache.computeIfAbsent(url, s -> {
try (InputStream in = URI.create(url).parseServerAuthority().toURL().openStream()) {
return new String(in.readAllBytes(), StandardCharsets.UTF_8);
} catch (IOException | URISyntaxException e) {
e.printStackTrace();
// TODO
}
return null;
}));
}
}

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@ -0,0 +1,20 @@
package io.github.moehreag.mojmap_patcher;
import io.github.moehreag.mojmap_patcher.provider.MojmapProvider;
import io.github.moehreag.mojmap_patcher.parser.ProguardParser;
public class MojMapPatcher {
public static void main(String[] args) {
String version;
if (args.length == 0) {
version = "latest-release";
} else {
version = args[0];
}
MojmapProvider.get(version).map(ProguardParser::read).ifPresent(s -> {
//s.getClassFields().keySet().forEach(System.out::println);
s.classFields().get("net.minecraft.client.Minecraft").forEach((s1, s2) -> System.out.println(s1 + " -> " + s2));
});
}
}

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@ -0,0 +1,70 @@
package io.github.moehreag.mojmap_patcher.api;
import io.github.moehreag.mojmap_patcher.api.data.MappingData;
import io.github.moehreag.mojmap_patcher.api.data.Field;
import io.github.moehreag.mojmap_patcher.api.data.Method;
import org.objectweb.asm.commons.Remapper;
import java.util.Collections;
import java.util.Map;
import java.util.Optional;
public class Mapper extends Remapper {
private MappingData data;
public static Mapper load() {
throw new UnsupportedOperationException("TODO");
}
public String mapClass(String name) {
return data.classes().getOrDefault(name, name);
}
private Optional<Method> mapMethodInternal(String owner, String name, String descriptor) {
for (Map.Entry<Method, Method> entry : data.classMethods().getOrDefault(owner, Collections.emptyMap()).entrySet()) {
Method from = entry.getKey();
Method to = entry.getValue();
if (from.name().equals(name) && from.descriptor().equals(descriptor)) {
return Optional.of(to);
}
}
return Optional.empty();
}
public Method mapMethod(String owner, String name, String descriptor) {
return mapMethodInternal(owner, name, descriptor).orElse(null);
}
private Optional<Field> mapFieldInternal(String owner, String name, String descriptor) {
for (Map.Entry<Field, Field> entry : data.classFields().getOrDefault(owner, Collections.emptyMap()).entrySet()) {
Field from = entry.getKey();
Field to = entry.getValue();
if (from.name().equals(name) && from.descriptor().equals(descriptor)) {
return Optional.of(to);
}
}
return Optional.empty();
}
public Field mapField(String owner, String name, String descriptor) {
return mapFieldInternal(owner, name, descriptor).orElse(null);
}
@Override
public String map(String internalName) {
return mapClass(internalName);
}
@Override
public String mapMethodName(String owner, String name, String descriptor) {
return mapMethodInternal(owner, name, descriptor).map(Method::name).orElse(name);
}
@Override
public String mapFieldName(String owner, String name, String descriptor) {
return mapFieldInternal(owner, name, descriptor).map(Field::name).orElse(name);
}
}

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@ -0,0 +1,18 @@
package io.github.moehreag.mojmap_patcher.api;
public class Remapper {
private final Mapper mapper;
public Remapper(Mapper mapper) {
this.mapper = mapper;
}
public static Remapper of(Mapper mapper) {
return new Remapper(mapper);
}
public void apply() {
}
}

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@ -0,0 +1,4 @@
package io.github.moehreag.mojmap_patcher.api.data;
public record Field(String name, String descriptor) {
}

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@ -0,0 +1,17 @@
package io.github.moehreag.mojmap_patcher.api.data;
import java.util.HashMap;
import java.util.Map;
public record MappingData(
// IntelliJank, stop putting 8 spaces >:(
Map<String, String> classes,
Map<String, Map<Method, Method>> classMethods,
Map<String, Map<Field, Field>> classFields
) {
public MappingData() {
this(new HashMap<>(), new HashMap<>(), new HashMap<>());
}
}

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@ -0,0 +1,4 @@
package io.github.moehreag.mojmap_patcher.api.data;
public record Method(int startLine, int endLine, String returnType, String name, String descriptor) {
}

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@ -0,0 +1,46 @@
package io.github.moehreag.mojmap_patcher.parser;
import io.github.moehreag.mojmap_patcher.Constants;
import io.github.moehreag.mojmap_patcher.api.data.Field;
import io.github.moehreag.mojmap_patcher.api.data.MappingData;
import io.github.moehreag.mojmap_patcher.api.data.Method;
import java.util.HashMap;
public class ProguardParser {
public static MappingData read(String mappings) {
String[] lines = mappings.split("\n");
MappingData data = new MappingData();
String currentClass = null;
for (String line : lines) {
if (line.startsWith("#")) { // Filter out comments
continue;
}
String[] mapping = line.split("->");
String deobf = mapping[0].trim();
String obf = mapping[1].trim();
if (line.startsWith(" ")) { // It's a field/method mapping
if (currentClass == null) {
throw new IllegalStateException("Field/Method mapping outside a class");
}
if (Constants.METHOD_PATTERN.matcher(deobf).matches()) {
String[] method = deobf.split(":");
String[] descriptor = method[2].split(" ");
int bracket = descriptor[1].indexOf("(");
data.classMethods().computeIfAbsent(currentClass, s -> new HashMap<>()).put(new Method(Integer.parseInt(method[0]), Integer.parseInt(method[1]), obf, descriptor[1].substring(0, bracket), descriptor[1].substring(bracket + 1)),
new Method(Integer.parseInt(method[0]), Integer.parseInt(method[1]), descriptor[0], descriptor[1].substring(0, bracket), descriptor[1].substring(bracket + 1)));
} else {
String[] field = deobf.split(" ");
data.classFields().computeIfAbsent(currentClass, s -> new HashMap<>()).put(new Field(field[1], obf), new Field(field[1], field[0]));
}
} else { // It's a class mapping
currentClass = deobf;
data.classes().put(obf, deobf);
}
}
return data;
}
}

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package io.github.moehreag.mojmap_patcher.provider;
import com.google.gson.*;
import io.github.moehreag.mojmap_patcher.Constants;
import io.github.moehreag.mojmap_patcher.HttpHelper;
import java.util.Optional;
public class MojmapProvider {
public static Optional<String> get(String gameVersion) {
return HttpHelper.getJson(Constants.VERSION_MANIFEST).map(manifest -> {
String versionName;
if (gameVersion.startsWith("latest-")) {
versionName = manifest.get("latest").getAsJsonObject().get(gameVersion.split("-")[1]).getAsString();
} else {
versionName = gameVersion;
}
System.out.println("Loading version: " + versionName);
for (JsonElement element : manifest.get("versions").getAsJsonArray()) {
JsonObject version = element.getAsJsonObject();
if (version.get("id").getAsString().equals(versionName)) {
JsonObject versionManifest = HttpHelper.getJson(version.get("url").getAsString()).orElseThrow();
String mappingsUrl = versionManifest
.get("downloads").getAsJsonObject().get("client_mappings").getAsJsonObject().get("url").getAsString();
return HttpHelper.getString(mappingsUrl).orElseThrow();
}
}
return null;
});
}
}