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/*
* This file is part of fabric-loom, licensed under the MIT License (MIT).
*
* Copyright (c) 2018-2021 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.build;
import java.io.File;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.UncheckedIOException;
import java.nio.file.Path;
import java.util.Collection;
import java.util.Collections;
import java.util.Objects;
import java.util.stream.Collectors;
import java.util.stream.Stream;
import java.util.stream.StreamSupport;
import java.util.zip.ZipEntry;
import java.util.zip.ZipFile;
import com.google.gson.JsonArray;
import com.google.gson.JsonObject;
import com.google.gson.JsonPrimitive;
import org.gradle.api.Project;
import org.jetbrains.annotations.NotNull;
import net.fabricmc.loom.LoomGradleExtension;
import net.fabricmc.loom.LoomGradlePlugin;
import net.fabricmc.loom.extension.MixinExtension;
import net.fabricmc.loom.util.Pair;
import net.fabricmc.loom.util.ZipUtils;
public final class MixinRefmapHelper {
private MixinRefmapHelper() { }
private static final String FABRIC_MOD_JSON = "fabric.mod.json";
public static boolean addRefmapName(Project project, Path outputPath) {
try {
MixinExtension mixin = LoomGradleExtension.get(project).getMixin();
File output = outputPath.toFile();
Collection<String> allMixinConfigs = LoomGradleExtension.get(project).isForge() ? LoomGradleExtension.get(project).getForge().getMixinConfigs().get() : getMixinConfigurationFiles(readFabricModJson(output));
return mixin.getMixinSourceSetsStream().map(sourceSet -> {
MixinExtension.MixinInformationContainer container = Objects.requireNonNull(
MixinExtension.getMixinInformationContainer(sourceSet)
);
Stream<String> mixinConfigs = sourceSet.getResources()
.matching(container.mixinConfigPattern())
.getFiles()
.stream()
.map(File::getName)
.filter(allMixinConfigs::contains);
String refmapName = container.refmapNameProvider().get();
try {
return ZipUtils.transformJson(JsonObject.class, outputPath, mixinConfigs.map(f -> new Pair<>(f, json -> {
if (!json.has("refmap")) {
json.addProperty("refmap", refmapName);
}
return json;
}))) > 0;
} catch (IOException e) {
throw new UncheckedIOException("Failed to transform mixin configs in jar", e);
}
}).reduce(false, Boolean::logicalOr);
} catch (Exception e) {
project.getLogger().error(e.getMessage());
return false;
}
}
@NotNull
private static JsonObject readFabricModJson(File output) {
try (ZipFile zip = new ZipFile(output)) {
ZipEntry entry = zip.getEntry(FABRIC_MOD_JSON);
try (InputStreamReader reader = new InputStreamReader(zip.getInputStream(entry))) {
return LoomGradlePlugin.GSON.fromJson(reader, JsonObject.class);
}
} catch (IOException e) {
throw new RuntimeException("Cannot read file fabric.mod.json in the output jar.", e);
}
}
@NotNull
private static Collection<String> getMixinConfigurationFiles(JsonObject fabricModJson) {
JsonArray mixins = fabricModJson.getAsJsonArray("mixins");
if (mixins == null) {
return Collections.emptyList();
}
return StreamSupport.stream(mixins.spliterator(), false)
.map(e -> {
if (e instanceof JsonPrimitive str) {
return str.getAsString();
} else if (e instanceof JsonObject obj) {
return obj.get("config").getAsString();
} else {
throw new RuntimeException("Incorrect fabric.mod.json format");
}
}).collect(Collectors.toSet());
}
}
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