/*
 * Copyright 2016-2020 DiffPlug
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.diffplug.gradle.spotless;

import static com.diffplug.gradle.spotless.PluginGradlePreconditions.requireElementsNonNull;

import org.gradle.api.Project;

import com.diffplug.spotless.cpp.CppDefaults;
import com.diffplug.spotless.extra.EclipseBasedStepBuilder;
import com.diffplug.spotless.extra.cpp.EclipseCdtFormatterStep;

public class CppExtension extends FormatExtension implements HasBuiltinDelimiterForLicense {
	static final String NAME = "cpp";

	public CppExtension(SpotlessExtensionBase spotless) {
		super(spotless);
	}

	public EclipseConfig eclipse() {
		return new EclipseConfig(EclipseCdtFormatterStep.defaultVersion());
	}

	public EclipseConfig eclipse(String version) {
		return new EclipseConfig(version);
	}

	public class EclipseConfig {
		private final EclipseBasedStepBuilder builder;

		EclipseConfig(String version) {
			builder = EclipseCdtFormatterStep.createBuilder(provisioner());
			builder.setVersion(version);
			addStep(builder.build());
		}

		public void configFile(Object... configFiles) {
			requireElementsNonNull(configFiles);
			Project project = getProject();
			builder.setPreferences(project.files(configFiles).getFiles());
			replaceStep(builder.build());
		}

	}

	@Override
	protected void setupTask(SpotlessTask task) {
		if (target == null) {
			/*
			 * The org.gradle.language.c and org.gradle.language.cpp source sets are seldom used.
			 * Most Gradle C/C++ use external CMake builds (so the source location is unknown to Gradle).
			 * Hence file extension based filtering is used in line with the org.eclipse.core.contenttype.contentTypes<
			 * defined by the CDT plugin.
			 */
			noDefaultTarget();
			target(CppDefaults.FILE_FILTER.toArray());
		}
		super.setupTask(task);
	}

	@Override
	public LicenseHeaderConfig licenseHeader(String licenseHeader) {
		return licenseHeader(licenseHeader, CppDefaults.DELIMITER_EXPR);
	}

	@Override
	public LicenseHeaderConfig licenseHeaderFile(Object licenseHeaderFile) {
		return licenseHeaderFile(licenseHeaderFile, CppDefaults.DELIMITER_EXPR);
	}
}

@@ -1162,16 +1162,19 @@
  eclipse
+Cdt
 () %7B%0A%09%09r
@@ -1273,16 +1273,19 @@
  eclipse
+Cdt
 (String 
@@ -1332,24 +1332,587 @@
 rsion);%0A%09%7D%0A%0A
+%09/** Use %7B@link #eclipseCdt%7D instead. */%0A%09@Deprecated%0A%09public EclipseConfig eclipse() %7B%0A%09%09getProject().getLogger().warn(%22Spotless: in the %60cpp %7B %7D%60 block, use %60eclipseCdt()%60 instead of %60eclipse()%60%22);%0A%09%09return new EclipseConfig(EclipseCdtFormatterStep.defaultVersion());%0A%09%7D%0A%0A%09/** Use %7B@link #eclipseCdt%7D instead. */%0A%09@Deprecated%0A%09public EclipseConfig eclipse(String version) %7B%0A%09%09getProject().getLogger().warn(%22Spotless: in the %60cpp %7B %7D%60 block, use %60eclipseCdt('%22 + version + %22')%60 instead of %60eclipse('%22 + version + %22')%60%22);%0A%09%09return new EclipseConfig(version);%0A%09%7D%0A%0A
 %09public clas
@@ -2374,17 +2374,16 @@
 ));%0A%09%09%7D%0A
-%0A
 %09%7D%0A%0A%09@Ov

Rename the step that uses `Eclipse CDT` as its backend to `eclipseCdt`, to avoid confusion with the other `eclipse()` used for java.