mirror of https://github.com/octoleo/plantuml.git
145 lines
5.8 KiB
Java
145 lines
5.8 KiB
Java
/* ========================================================================
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* PlantUML : a free UML diagram generator
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* ========================================================================
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*
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* (C) Copyright 2009-2023, Arnaud Roques
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*
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* Project Info: http://plantuml.com
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*
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* If you like this project or if you find it useful, you can support us at:
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*
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* http://plantuml.com/patreon (only 1$ per month!)
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* http://plantuml.com/paypal
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*
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* This file is part of PlantUML.
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*
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* PlantUML is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* PlantUML distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
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* License for more details.
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*
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* You should have received a copy of the GNU General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
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* USA.
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*
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*
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* Original Author: Arnaud Roques
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*
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*
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*/
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package net.sourceforge.plantuml.activitydiagram.command;
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import net.sourceforge.plantuml.Direction;
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import net.sourceforge.plantuml.LineLocation;
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import net.sourceforge.plantuml.StringUtils;
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import net.sourceforge.plantuml.activitydiagram.ActivityDiagram;
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import net.sourceforge.plantuml.classdiagram.command.CommandLinkClass;
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import net.sourceforge.plantuml.command.CommandExecutionResult;
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import net.sourceforge.plantuml.command.SingleLineCommand2;
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import net.sourceforge.plantuml.command.regex.IRegex;
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import net.sourceforge.plantuml.command.regex.RegexConcat;
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import net.sourceforge.plantuml.command.regex.RegexLeaf;
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import net.sourceforge.plantuml.command.regex.RegexOptional;
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import net.sourceforge.plantuml.command.regex.RegexOr;
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import net.sourceforge.plantuml.command.regex.RegexResult;
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import net.sourceforge.plantuml.cucadiagram.Display;
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import net.sourceforge.plantuml.cucadiagram.IEntity;
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import net.sourceforge.plantuml.cucadiagram.Link;
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import net.sourceforge.plantuml.cucadiagram.LinkArg;
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import net.sourceforge.plantuml.cucadiagram.LinkDecor;
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import net.sourceforge.plantuml.cucadiagram.LinkType;
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import net.sourceforge.plantuml.descdiagram.command.CommandLinkElement;
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public class CommandIf extends SingleLineCommand2<ActivityDiagram> {
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public CommandIf() {
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super(getRegexConcat());
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}
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static IRegex getRegexConcat() {
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return RegexConcat.build(CommandIf.class.getName(), RegexLeaf.start(), //
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new RegexOptional(//
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new RegexOr("FIRST", //
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new RegexLeaf("STAR", "(\\(\\*(top)?\\))"), //
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new RegexLeaf("CODE", "([%pLN_.]+)"), //
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new RegexLeaf("BAR", "(?:==+)[%s]*([%pLN_.]+)[%s]*(?:==+)"), //
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new RegexLeaf("QUOTED", "[%g]([^%g]+)[%g](?:[%s]+as[%s]+([%pLN_.]+))?"))), //
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RegexLeaf.spaceZeroOrMore(), //
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// new RegexOptional(new RegexLeaf("ARROW",
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// "([=-]+(?:(left|right|up|down|le?|ri?|up?|do?)(?=[-=.]))?[=-]*\\>)")), //
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new RegexOptional(new RegexConcat( //
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new RegexLeaf("ARROW_BODY1", "([-.]+)"), //
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new RegexLeaf("ARROW_STYLE1", "(?:\\[(" + CommandLinkElement.LINE_STYLE + ")\\])?"), //
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new RegexLeaf("ARROW_DIRECTION", "(\\*|left|right|up|down|le?|ri?|up?|do?)?"), //
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new RegexLeaf("ARROW_STYLE2", "(?:\\[(" + CommandLinkElement.LINE_STYLE + ")\\])?"), //
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new RegexLeaf("ARROW_BODY2", "([-.]*)"), //
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new RegexLeaf("\\>") //
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)), //
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RegexLeaf.spaceZeroOrMore(), //
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new RegexOptional(new RegexLeaf("BRACKET", "\\[([^\\]*]+[^\\]]*)\\]")), //
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RegexLeaf.spaceZeroOrMore(), //
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new RegexOr(//
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new RegexLeaf("IF1", "if[%s]*[%g]([^%g]*)[%g][%s]*(?:as[%s]+([%pLN_.]+)[%s]+)?"), //
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new RegexLeaf("IF2", "if[%s]+(.+?)")), //
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RegexLeaf.spaceZeroOrMore(), //
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new RegexOptional(new RegexLeaf("then")), //
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RegexLeaf.end());
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}
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@Override
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protected CommandExecutionResult executeArg(ActivityDiagram diagram, LineLocation location, RegexResult arg) {
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final IEntity entity1 = CommandLinkActivity.getEntity(diagram, arg, true);
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if (entity1 == null)
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return CommandExecutionResult.error("No if possible at this point");
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final String ifCode;
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final String ifLabel;
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if (arg.get("IF2", 0) == null) {
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ifCode = arg.get("IF1", 1);
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ifLabel = arg.get("IF1", 0);
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} else {
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ifCode = null;
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ifLabel = arg.get("IF2", 0);
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}
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diagram.startIf(ifCode);
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int lenght = 2;
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if (arg.get("ARROW_BODY1", 0) != null) {
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// final String arrow = StringUtils.manageArrowForCuca(arg.get("ARROW", 0));
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// lenght = arrow.length() - 1;
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final String arrowBody1 = CommandLinkClass.notNull(arg.get("ARROW_BODY1", 0));
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final String arrowBody2 = CommandLinkClass.notNull(arg.get("ARROW_BODY2", 0));
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final String arrowDirection = CommandLinkClass.notNull(arg.get("ARROW_DIRECTION", 0));
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final String arrow = StringUtils.manageArrowForCuca(arrowBody1 + arrowDirection + arrowBody2 + ">");
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lenght = arrow.length() - 1;
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}
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final IEntity branch = diagram.getCurrentContext().getBranch();
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final LinkArg linkArg = LinkArg.build(Display.getWithNewlines(arg.get("BRACKET", 0)), lenght);
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Link link = new Link(diagram.getSkinParam().getCurrentStyleBuilder(), entity1, branch,
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new LinkType(LinkDecor.ARROW, LinkDecor.NONE), linkArg.withQuantifier(null, ifLabel)
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.withDistanceAngle(diagram.getLabeldistance(), diagram.getLabelangle()));
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if (arg.get("ARROW", 0) != null) {
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final Direction direction = StringUtils.getArrowDirection(arg.get("ARROW", 0));
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if (direction == Direction.LEFT || direction == Direction.UP)
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link = link.getInv();
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}
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link.applyStyle(arg.getLazzy("ARROW_STYLE", 0));
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diagram.addLink(link);
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return CommandExecutionResult.ok();
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}
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}
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