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/*
* This file is part of fabric-loom, licensed under the MIT License (MIT).
*
* Copyright (c) 2021 FabricMC
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
package net.fabricmc.loom.util.srg;
import java.util.List;
import java.util.stream.Collectors;
import java.util.stream.Stream;
import net.fabricmc.mappingio.tree.MappingTree;
import net.fabricmc.mappingio.tree.MappingTreeView;
public class Tsrg2Writer {
public Tsrg2Writer() {
}
public static String serialize(MappingTree tree) {
List<String> namespaces = Stream.concat(Stream.of(tree.getSrcNamespace()), tree.getDstNamespaces().stream()).collect(Collectors.toList());
StringBuilder builder = new StringBuilder();
writeHeader(namespaces, builder);
for (MappingTree.ClassMapping classMapping : tree.getClasses()) {
writeClass(namespaces, classMapping, builder);
}
return builder.toString();
}
private static void writeClass(List<String> namespaces, MappingTree.ClassMapping def, StringBuilder builder) {
writeMapped(null, namespaces, def, builder);
for (MappingTree.MethodMapping method : def.getMethods()) {
writeMethod(namespaces, method, builder);
}
for (MappingTree.FieldMapping field : def.getFields()) {
writeMapped('\t', namespaces, field, builder);
}
}
private static void writeMethod(List<String> namespaces, MappingTree.MethodMapping def, StringBuilder builder) {
writeMapped('\t', namespaces, def, builder);
for (MappingTree.MethodArgMapping arg : def.getArgs()) {
builder.append("\t\t").append(arg.getLvIndex());
writeMapped(' ', namespaces, arg, builder);
}
}
private static void writeField(List<String> namespaces, MappingTree.FieldMapping def, StringBuilder builder) {
writeMapped('\t', namespaces, def, builder);
}
private static void writeMapped(Character first, List<String> namespaces, MappingTreeView.ElementMappingView mapped, StringBuilder builder) {
String[] names = namespaces.stream().map(mapped::getName).toArray(String[]::new);
for (int i = 0; i < names.length; ++i) {
String name = names[i];
if (i == 0) {
if (first != null) {
builder.append(first);
}
} else {
builder.append(' ');
}
builder.append(name);
if (i == 0 && mapped instanceof MappingTreeView.MemberMappingView) {
String descriptor = ((MappingTreeView.MemberMappingView) mapped).getSrcDesc();
if (descriptor != null && !descriptor.isEmpty()) {
builder.append(' ');
builder.append(descriptor);
}
}
}
builder.append('\n');
}
private static void writeHeader(List<String> namespaces, StringBuilder builder) {
builder.append("tsrg2");
for (String namespace : namespaces) {
builder.append(' ');
builder.append(namespace);
}
builder.append('\n');
}
}
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