net.sourceforge.plantuml.activitydiagram3.command.CommandElse3 Maven / Gradle / Ivy

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PlantUML is a component that allows to quickly write : * sequence diagram, * use case diagram, * class diagram, * activity diagram, * component diagram, * state diagram * object diagram

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/* ========================================================================
 * PlantUML : a free UML diagram generator
 * ========================================================================
 *
 * (C) Copyright 2009-2023, Arnaud Roques
 *
 * Project Info:  http://plantuml.com
 * 
 * If you like this project or if you find it useful, you can support us at:
 * 
 * http://plantuml.com/patreon (only 1$ per month!)
 * http://plantuml.com/paypal
 * 
 * This file is part of PlantUML.
 *
 * PlantUML is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * PlantUML distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
 * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
 * License for more details.
 *
 * You should have received a copy of the GNU General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301,
 * USA.
 *
 *
 * Original Author:  Arnaud Roques
 *
 *
 */
package net.sourceforge.plantuml.activitydiagram3.command;

import net.sourceforge.plantuml.LineLocation;
import net.sourceforge.plantuml.activitydiagram3.ActivityDiagram3;
import net.sourceforge.plantuml.activitydiagram3.LinkRendering;
import net.sourceforge.plantuml.command.CommandExecutionResult;
import net.sourceforge.plantuml.command.SingleLineCommand2;
import net.sourceforge.plantuml.command.regex.IRegex;
import net.sourceforge.plantuml.command.regex.RegexConcat;
import net.sourceforge.plantuml.command.regex.RegexLeaf;
import net.sourceforge.plantuml.command.regex.RegexOptional;
import net.sourceforge.plantuml.command.regex.RegexOr;
import net.sourceforge.plantuml.command.regex.RegexResult;
import net.sourceforge.plantuml.descdiagram.command.CommandLinkElement;
import net.sourceforge.plantuml.ugraphic.color.NoSuchColorException;

public class CommandElse3 extends SingleLineCommand2 {

	public CommandElse3() {
		super(getRegexConcat());
	}

	static IRegex getRegexConcat() {
		return RegexConcat.build(CommandElse3.class.getName(), RegexLeaf.start(), //
				new RegexLeaf("else"), //
				RegexLeaf.spaceZeroOrMore(), //
				new RegexOptional(new RegexConcat( //
						new RegexLeaf("\\("), //
						new RegexOptional(new RegexOr(//
								new RegexLeaf("->"), //
								new RegexLeaf("WHEN_COLOR", CommandLinkElement.STYLE_COLORS_MULTIPLES))), //
						new RegexLeaf("WHEN", "(.*?)"), //
						new RegexLeaf("\\)"))), //
				RegexLeaf.spaceZeroOrMore(), //
				new RegexLeaf(";?"), //
				RegexLeaf.end());
	}

	@Override
	protected CommandExecutionResult executeArg(ActivityDiagram3 diagram, LineLocation location, RegexResult arg) throws NoSuchColorException {
		// if (getSystem().getLastEntityConsulted() == null) {
		// return CommandExecutionResult.error("No if for this endif");
		// }
		final LinkRendering when = CommandBackward3.getBackRendering(diagram, arg, "WHEN");
		return diagram.else2(when);
	}

}