plantuml/src/net/sourceforge/plantuml/statediagram/command/CommandAddField.java

/* ========================================================================
 * PlantUML : a free UML diagram generator
 * ========================================================================
 *
 * (C) Copyright 2009-2023, Arnaud Roques
 *
 * Project Info:  http://plantuml.com
 * 
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 * This file is part of PlantUML.
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 * 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.
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 * 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,
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 * Original Author:  Arnaud Roques
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 */
package net.sourceforge.plantuml.statediagram.command;

import net.sourceforge.plantuml.baraye.CucaDiagram;
import net.sourceforge.plantuml.baraye.IEntity;
import net.sourceforge.plantuml.baraye.Quark;
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.RegexOr;
import net.sourceforge.plantuml.command.regex.RegexResult;
import net.sourceforge.plantuml.cucadiagram.Code;
import net.sourceforge.plantuml.cucadiagram.Ident;
import net.sourceforge.plantuml.statediagram.StateDiagram;
import net.sourceforge.plantuml.ugraphic.color.NoSuchColorException;
import net.sourceforge.plantuml.utils.LineLocation;

public class CommandAddField extends SingleLineCommand2<StateDiagram> {

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

	private static IRegex getRegexConcat() {
		return RegexConcat.build(CommandAddField.class.getName(), RegexLeaf.start(), //
				new RegexOr( //
						new RegexLeaf("CODE3", "([%pLN_.]+)"), //
						new RegexLeaf("CODE4", "[%g]([^%g]+)[%g]")), //
				RegexLeaf.spaceZeroOrMore(), //
				new RegexLeaf(":"), //
				RegexLeaf.spaceZeroOrMore(), //
				new RegexLeaf("FIELD", "(.*)"), RegexLeaf.end());
	}

	private CommandExecutionResult executeArgQuark(StateDiagram diagram, LineLocation location, RegexResult arg)
			throws NoSuchColorException {
		final String codeString = arg.getLazzy("CODE", 0);

		final Quark quark = diagram.currentQuark();
		Quark child = quark.childIfExists(codeString);
		if (child == null && quark.getName().equals(codeString))
			child = quark;
		if (child == null)
			child = quark.child(codeString);

		final IEntity entity = diagram.getOrCreateLeaf(child, child, null, null);

		final String field = arg.get("FIELD", 0);

		entity.getBodier().addFieldOrMethod(field);
		return CommandExecutionResult.ok();
	}

	@Override
	protected CommandExecutionResult executeArg(StateDiagram diagram, LineLocation location, RegexResult arg)
			throws NoSuchColorException {
		if (CucaDiagram.QUARK)
			return executeArgQuark(diagram, location, arg);

		final String codeString = arg.getLazzy("CODE", 0);
		final String field = arg.get("FIELD", 0);

		Ident ident = diagram.buildLeafIdent(codeString);
		final Code code = diagram.buildCode(codeString);
		final IEntity entity = diagram.getOrCreateLeaf(ident, code, null, null);

		entity.getBodier().addFieldOrMethod(field);
		return CommandExecutionResult.ok();
	}

}