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PlantUML is a component that allows to quickly write diagrams from text.
There is a newer version: 1.2024.8
// THIS FILE HAS BEEN GENERATED BY A PREPROCESSOR.
/* +=======================================================================
 * |
 * |      PlantUML : a free UML diagram generator
 * |
 * +=======================================================================
 *
 * (C) Copyright 2009-2024, Arnaud Roques
 *
 * Project Info:  https://plantuml.com
 *
 * If you like this project or if you find it useful, you can support us at:
 *
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 *
 * PlantUML is free software; you can redistribute it and/or modify it
 * under the terms of the GNU Lesser 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 Lesser General Public
 * License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this library.  If not, see .
 *
 * PlantUML can occasionally display sponsored or advertising messages. Those
 * messages are usually generated on welcome or error images and never on
 * functional diagrams.
 * See https://plantuml.com/professional if you want to remove them
 *
 * Images (whatever their format : PNG, SVG, EPS...) generated by running PlantUML
 * are owned by the author of their corresponding sources code (that is, their
 * textual description in PlantUML language). Those images are not covered by
 * this LGPL license.
 *
 * The generated images can then be used without any reference to the LGPL license.
 * It is not even necessary to stipulate that they have been generated with PlantUML,
 * although this will be appreciated by the PlantUML team.
 *
 * There is an exception : if the textual description in PlantUML language is also covered
 * by any license, then the generated images are logically covered
 * by the very same license.
 *
 * This is the IGY distribution (Install GraphViz by Yourself).
 * You have to install GraphViz and to setup the GRAPHVIZ_DOT environment variable
 * (see https://plantuml.com/graphviz-dot )
 *
 * Icons provided by OpenIconic :  https://useiconic.com/open
 * Archimate sprites provided by Archi :  http://www.archimatetool.com
 * Stdlib AWS provided by https://github.com/milo-minderbinder/AWS-PlantUML
 * Stdlib Icons provided https://github.com/tupadr3/plantuml-icon-font-sprites
 * ASCIIMathML (c) Peter Jipsen http://www.chapman.edu/~jipsen
 * ASCIIMathML (c) David Lippman http://www.pierce.ctc.edu/dlippman
 * CafeUndZopfli ported by Eugene Klyuchnikov https://github.com/eustas/CafeUndZopfli
 * Brotli (c) by the Brotli Authors https://github.com/google/brotli
 * Themes (c) by Brett Schwarz https://github.com/bschwarz/puml-themes
 * Twemoji (c) by Twitter at https://twemoji.twitter.com/
 *
 */
package net.sourceforge.plantuml.chronology;

import java.util.Arrays;
import java.util.Collection;

import net.sourceforge.plantuml.project.Failable;
import net.sourceforge.plantuml.project.core.Task;
import net.sourceforge.plantuml.project.core.TaskCode;
import net.sourceforge.plantuml.project.lang.SentenceSimple;
import net.sourceforge.plantuml.project.lang.Subject;
import net.sourceforge.plantuml.project.lang.Words;
import net.sourceforge.plantuml.regex.IRegex;
import net.sourceforge.plantuml.regex.RegexConcat;
import net.sourceforge.plantuml.regex.RegexLeaf;
import net.sourceforge.plantuml.regex.RegexOptional;
import net.sourceforge.plantuml.regex.RegexOr;
import net.sourceforge.plantuml.regex.RegexResult;
import net.sourceforge.plantuml.stereo.Stereotype;
import net.sourceforge.plantuml.stereo.StereotypePattern;

public class SubjectTask implements Subject {

	public static final Subject ME = new SubjectTask();

	private SubjectTask() {
	}

	public Failable getMe(ChronologyDiagram chronology, RegexResult arg) {
		final Task result;

		final String subject = arg.get("SUBJECT", 0);
		final String shortName = arg.get("SHORTNAME", 0);
		final String stereotype = arg.get("STEREOTYPE", 0);

		final TaskCode code = TaskCode.fromIdAndDisplay(shortName, subject);
		result = chronology.getOrCreateTask(code, false);

		if (stereotype != null)
			result.setStereotype(Stereotype.build(arg.get("STEREOTYPE", 0)));

		return Failable.ok(result);
	}

	public Collection> getSentences() {
		return Arrays.asList(new SentenceHappensChronology());
	}

	public IRegex toRegex() {
		return new RegexOr( //
				new RegexLeaf("SUBJECT", "\\[([^\\[\\]]+?)\\]"), //
				StereotypePattern.optional("STEREOTYPE"), //
				new RegexOptional(new RegexConcat(//
						Words.exactly(Words.AS), //
						RegexLeaf.spaceOneOrMore(), //
						new RegexLeaf("SHORTNAME", "\\[([^\\[\\]]+?)\\]"))) //
		);
	}

}