net.sourceforge.plantuml.activitydiagram.command.CommandIf Maven / Gradle / Ivy

Go to download
Show more of this group Show more artifacts with this name
Show all versions of plantuml-gplv2 Show documentation
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:
 *
 * https://plantuml.com/patreon (only 1$ per month!)
 * https://plantuml.com/liberapay (only 1€ per month!)
 * https://plantuml.com/paypal
 *
 *
 * PlantUML is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License V2.
 *
 * THE ACCOMPANYING PROGRAM IS PROVIDED UNDER THE TERMS OF THIS ECLIPSE PUBLIC
 * LICENSE ("AGREEMENT"). [GNU General Public License V2]
 *
 * ANY USE, REPRODUCTION OR DISTRIBUTION OF THE PROGRAM CONSTITUTES
 * RECIPIENT'S ACCEPTANCE OF THIS AGREEMENT.
 *
 * You may obtain a copy of the License at
 *
 * https://www.gnu.org/licenses/old-licenses/gpl-2.0.html
 *
 * 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.
 *
 * 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 GPL v2 license.
 *
 * The generated images can then be used without any reference to the GPL v2 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.activitydiagram.command;

import net.sourceforge.plantuml.StringUtils;
import net.sourceforge.plantuml.abel.Entity;
import net.sourceforge.plantuml.abel.Link;
import net.sourceforge.plantuml.abel.LinkArg;
import net.sourceforge.plantuml.activitydiagram.ActivityDiagram;
import net.sourceforge.plantuml.classdiagram.command.CommandLinkClass;
import net.sourceforge.plantuml.command.CommandExecutionResult;
import net.sourceforge.plantuml.command.SingleLineCommand2;
import net.sourceforge.plantuml.decoration.LinkDecor;
import net.sourceforge.plantuml.decoration.LinkType;
import net.sourceforge.plantuml.descdiagram.command.CommandLinkElement;
import net.sourceforge.plantuml.klimt.creole.Display;
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.utils.Direction;
import net.sourceforge.plantuml.utils.LineLocation;

public class CommandIf extends SingleLineCommand2 {

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

	static IRegex getRegexConcat() {
		return RegexConcat.build(CommandIf.class.getName(), RegexLeaf.start(), //
				new RegexOptional(//
						new RegexOr("FIRST", //
								new RegexLeaf("STAR", "(\\(\\*(top)?\\))"), //
								new RegexLeaf("CODE", "([%pLN_.]+)"), //
								new RegexLeaf("BAR", "(?:==+)[%s]*([%pLN_.]+)[%s]*(?:==+)"), //
								new RegexLeaf("QUOTED", "[%g]([^%g]+)[%g](?:[%s]+as[%s]+([%pLN_.]+))?"))), //
				RegexLeaf.spaceZeroOrMore(), //
				// new RegexOptional(new RegexLeaf("ARROW",
				// "([=-]+(?:(left|right|up|down|le?|ri?|up?|do?)(?=[-=.]))?[=-]*\\>)")), //
				new RegexOptional(new RegexConcat( //
						new RegexLeaf("ARROW_BODY1", "([-.]+)"), //
						new RegexLeaf("ARROW_STYLE1", "(?:\\[(" + CommandLinkElement.LINE_STYLE + ")\\])?"), //
						new RegexLeaf("ARROW_DIRECTION", "(\\*|left|right|up|down|le?|ri?|up?|do?)?"), //
						new RegexLeaf("ARROW_STYLE2", "(?:\\[(" + CommandLinkElement.LINE_STYLE + ")\\])?"), //
						new RegexLeaf("ARROW_BODY2", "([-.]*)"), //
						new RegexLeaf("\\>") //
				)), //
				RegexLeaf.spaceZeroOrMore(), //
				new RegexOptional(new RegexLeaf("BRACKET", "\\[([^\\]*]+[^\\]]*)\\]")), //
				RegexLeaf.spaceZeroOrMore(), //
				new RegexOr(//
						new RegexLeaf("IF1", "if[%s]*[%g]([^%g]*)[%g][%s]*(?:as[%s]+([%pLN_.]+)[%s]+)?"), //
						new RegexLeaf("IF2", "if[%s]+(.+?)")), //
				RegexLeaf.spaceZeroOrMore(), //
				new RegexOptional(new RegexLeaf("then")), //
				RegexLeaf.end());
	}

	@Override
	protected CommandExecutionResult executeArg(ActivityDiagram diagram, LineLocation location, RegexResult arg) {
		final Entity entity1 = CommandLinkActivity.getEntity(diagram, arg, true);
		if (entity1 == null)
			return CommandExecutionResult.error("No if possible at this point");

		final String ifCode;
		final String ifLabel;
		if (arg.get("IF2", 0) == null) {
			ifCode = arg.get("IF1", 1);
			ifLabel = arg.get("IF1", 0);
		} else {
			ifCode = null;
			ifLabel = arg.get("IF2", 0);
		}
		diagram.startIf(ifCode);

		int lenght = 2;

		if (arg.get("ARROW_BODY1", 0) != null) {
//			final String arrow = StringUtils.manageArrowForCuca(arg.get("ARROW", 0));
//			lenght = arrow.length() - 1;
			final String arrowBody1 = CommandLinkClass.notNull(arg.get("ARROW_BODY1", 0));
			final String arrowBody2 = CommandLinkClass.notNull(arg.get("ARROW_BODY2", 0));
			final String arrowDirection = CommandLinkClass.notNull(arg.get("ARROW_DIRECTION", 0));

			final String arrow = StringUtils.manageArrowForCuca(arrowBody1 + arrowDirection + arrowBody2 + ">");
			lenght = arrow.length() - 1;
		}

		final Entity branch = diagram.getCurrentContext().getBranch();

		final LinkArg linkArg = LinkArg.build(Display.getWithNewlines(arg.get("BRACKET", 0)), lenght);
		Link link = new Link(diagram.getEntityFactory(), diagram.getSkinParam().getCurrentStyleBuilder(), entity1,
				branch, new LinkType(LinkDecor.ARROW, LinkDecor.NONE), linkArg.withQuantifier(null, ifLabel)
						.withDistanceAngle(diagram.getLabeldistance(), diagram.getLabelangle()));
		if (arg.get("ARROW", 0) != null) {
			final Direction direction = StringUtils.getArrowDirection(arg.get("ARROW", 0));
			if (direction == Direction.LEFT || direction == Direction.UP)
				link = link.getInv();

		}

		link.applyStyle(arg.getLazzy("ARROW_STYLE", 0));
		diagram.addLink(link);

		return CommandExecutionResult.ok();
	}

}