Refactor Fabric API extension (#1238)

* Refactor Fabric API extension

* Fix

* Fix

* Even more cleanup

src/main/java/net/fabricmc/loom/LoomGradlePlugin.java

@@ -34,9 +34,10 @@
 import org.gradle.api.plugins.PluginAware;
 
 import net.fabricmc.loom.api.LoomGradleExtensionAPI;
+import net.fabricmc.loom.api.fabricapi.FabricApiExtension;
 import net.fabricmc.loom.bootstrap.BootstrappedPlugin;
 import net.fabricmc.loom.configuration.CompileConfiguration;
-import net.fabricmc.loom.configuration.FabricApiExtension;
+import net.fabricmc.loom.configuration.fabricapi.FabricApiExtensionImpl;
 import net.fabricmc.loom.configuration.LoomConfigurations;
 import net.fabricmc.loom.configuration.MavenPublication;
 import net.fabricmc.loom.configuration.ide.idea.IdeaConfiguration;
@@ -85,7 +86,7 @@ public void apply(Project project) {
 
 		// Setup extensions
 		project.getExtensions().create(LoomGradleExtensionAPI.class, "loom", LoomGradleExtensionImpl.class, project, LoomFiles.create(project));
-		project.getExtensions().create("fabricApi", FabricApiExtension.class);
+		project.getExtensions().create(FabricApiExtension.class, "fabricApi", FabricApiExtensionImpl.class);
 
 		for (Class<? extends Runnable> jobClass : SETUP_JOBS) {
 			project.getObjects().newInstance(jobClass).run();

src/main/java/net/fabricmc/loom/api/fabricapi/DataGenerationSettings.java

@@ -0,0 +1,70 @@
+/*
+ * This file is part of fabric-loom, licensed under the MIT License (MIT).
+ *
+ * Copyright (c) 2024 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.api.fabricapi;
+
+import org.gradle.api.file.RegularFileProperty;
+import org.gradle.api.provider.Property;
+
+/**
+ * Represents the settings for data generation.
+ */
+public interface DataGenerationSettings {
+	/**
+	 * Contains the output directory where generated data files will be stored.
+	 */
+	RegularFileProperty getOutputDirectory();
+
+	/**
+	 * Contains a boolean indicating whether a run configuration should be created for the data generation process.
+	 */
+	Property<Boolean> getCreateRunConfiguration();
+
+	/**
+	 * Contains a boolean property indicating whether a new source set should be created for the data generation process.
+	 */
+	Property<Boolean> getCreateSourceSet();
+
+	/**
+	 * Contains a string property representing the mod ID associated with the data generation process.
+	 *
+	 * <p>This must be set when {@link #getCreateRunConfiguration()} is set.
+	 */
+	Property<String> getModId();
+
+	/**
+	 * Contains a boolean property indicating whether strict validation is enabled.
+	 */
+	Property<Boolean> getStrictValidation();
+
+	/**
+	 * Contains a boolean property indicating whether the generated resources will be automatically added to the main sourceset.
+	 */
+	Property<Boolean> getAddToResources();
+
+	/**
+	 * Contains a boolean property indicating whether data generation will be compiled and ran with the client.
+	 */
+	Property<Boolean> getClient();
+}

src/main/java/net/fabricmc/loom/api/fabricapi/FabricApiExtension.java

@@ -0,0 +1,61 @@
+/*
+ * This file is part of fabric-loom, licensed under the MIT License (MIT).
+ *
+ * Copyright (c) 2024 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.api.fabricapi;
+
+import org.gradle.api.Action;
+import org.gradle.api.artifacts.Dependency;
+
+/**
+ * A gradle extension with specific functionality related to Fabric API.
+ */
+public interface FabricApiExtension {
+	/**
+	 * Get a {@link Dependency} for a given Fabric API module.
+	 *
+	 * @param moduleName The name of the module.
+	 * @param fabricApiVersion The main Fabric API version.
+	 * @return A {@link Dependency} for the module.
+	 */
+	Dependency module(String moduleName, String fabricApiVersion);
+
+	/**
+	 * Get the version of a Fabric API module.
+	 * @param moduleName The name of the module.
+	 * @param fabricApiVersion The main Fabric API version.
+	 * @return The version of the module.
+	 */
+	String moduleVersion(String moduleName, String fabricApiVersion);
+
+	/**
+	 * Configuration data generation using the default settings.
+	 */
+	void configureDataGeneration();
+
+	/**
+	 * Configuration data generation using the specified settings.
+	 * @param action An action to configure specific data generation settings. See {@link DataGenerationSettings} for more information.
+	 */
+	void configureDataGeneration(Action<DataGenerationSettings> action);
+}