load_generator/ros2/plugins/org.eclipse.app4mc.slg.ros2/src/org/eclipse/app4mc/slg/ros2/generators/RosChannelSendUtilsTranslationUnit.java

/**
 * Copyright (c) 2020-2021 Robert Bosch GmbH.
 * 
 * This program and the accompanying materials are made
 * available under the terms of the Eclipse Public License 2.0
 * which is available at https://www.eclipse.org/legal/epl-2.0/
 * 
 * SPDX-License-Identifier: EPL-2.0
 * 
 * Contributors:
 *     Robert Bosch GmbH - initial API and implementation
 */

package org.eclipse.app4mc.slg.ros2.generators;

import java.util.ArrayList;
import java.util.List;

import org.eclipse.app4mc.amalthea.model.ChannelSend;
import org.eclipse.app4mc.slg.commons.m2t.generators.TranslationUnit;
import org.eclipse.app4mc.transformation.util.OutputBuffer;

public class RosChannelSendUtilsTranslationUnit extends TranslationUnit {
	public static final String LIB_NAME = "CHANNELSEND_UTIL";
	public static final String MODULE_NAME = "channelSendUtils";
	public static final String MODULE_PATH = "synthetic_gen/" + MODULE_NAME;
	public static final String MAKEFILE_PATH = MODULE_PATH + "/CMakeLists.txt";

	private ChannelSend cs;
	private OutputBuffer outputBuffer;

	public RosChannelSendUtilsTranslationUnit(final OutputBuffer outputBuffer, final ChannelSend cs) {
		super();
		this.cs = cs;
		this.outputBuffer = outputBuffer;

		this.genFiles();
	}

	private static List<String> topic_list = new ArrayList<>();

	public String getModuleName() {
		return MODULE_NAME;
	}

	@Override
	public String getIncFile() {
		return (MODULE_NAME + ".h");
	}

	public String getExecCall(final String param) {
		return "publish_to_" + param + "(" + param + "_publisher)";
	}

	public void genFiles() {

		if (this.isSrcFileEmpty()) {
			this.incAppend(RosChannelSendUtilsGenerator.toHeader().toString());
		}
		if (this.isSrcFileEmpty()) {
			this.srcAppend(RosChannelSendUtilsGenerator.toCPPHead().toString());
		}
		boolean already_defined = false;
		for (final String topic_name : RosChannelSendUtilsTranslationUnit.topic_list) {
			if (topic_name.equals(this.cs.getData().getName())) {
				already_defined = true;
			}
		}

		if ((!already_defined)) {

			this.incAppend(RosChannelSendUtilsGenerator.toH(cs).toString());
			this.srcAppend(RosChannelSendUtilsGenerator.toCPP(cs).toString());

			RosChannelSendUtilsTranslationUnit.topic_list.add(this.cs.getData().getName());
		}
	}

	public String getBasePath() {
		return "synthetic_gen";
	}

	public String getModulePath() {
		return getBasePath() + "/" + getModuleName();
	}

	@Override
	public String getSrcFile() {
		return getModuleName() + ".cpp";
	}

	public String getIncPath() {
		return getModulePath() + "/_inc/" + getIncFile();
	}

	public String getSrcPath() {
		return getModulePath() + "/_src/" + getSrcFile();
	}

	public boolean isIncFileEmpty() {
		return !outputBuffer.bufferExists("H", getModulePath() + "/_inc/" + getModuleName());
	}

	public boolean isSrcFileEmpty() {
		return !outputBuffer.bufferExists("C", getModulePath() + "/_src/" + getModuleName());
	}

	public boolean incAppend(final String str) {
		return outputBuffer.appendTo("H", getModulePath() + "/_inc/" + getModuleName(), str);
	}

	public boolean srcAppend(final String str) {
		return outputBuffer.appendTo("C", getModulePath() + "/_src/" + getModuleName(), str);
	}

}