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/* ========================================================================
* PlantUML : a free UML diagram generator
* ========================================================================
*
* (C) Copyright 2009-2020, 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.sequencediagram.command;
import net.sourceforge.plantuml.UrlBuilder;
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.sequencediagram.MessageExoType;
public class CommandExoArrowLeft extends CommandExoArrowAny {
public CommandExoArrowLeft() {
super(getRegexConcat());
}
static IRegex getRegexConcat() {
return RegexConcat.build(CommandExoArrowLeft.class.getName(), RegexLeaf.start(), //
new RegexLeaf("PARALLEL", "(&[%s]*)?"), //
new RegexLeaf("SHORT", "([?\\[\\]][ox]?)?"), //
new RegexOr( //
new RegexConcat( //
new RegexLeaf("ARROW_BOTHDRESSING", "(<<?|//?|\\\\\\\\?)?"), //
new RegexLeaf("ARROW_BODYA1", "(-+)"), //
new RegexLeaf("ARROW_STYLE1", CommandArrow.getColorOrStylePattern()), //
new RegexLeaf("ARROW_BODYB1", "(-*)"), //
new RegexLeaf("ARROW_DRESSING1", "(>>?|//?|\\\\\\\\?)")), //
new RegexConcat( //
new RegexLeaf("ARROW_DRESSING2", "(<<?|//?|\\\\\\\\?)"), //
new RegexLeaf("ARROW_BODYB2", "(-*)"), //
new RegexLeaf("ARROW_STYLE2", CommandArrow.getColorOrStylePattern()), //
new RegexLeaf("ARROW_BODYA2", "(-+)"))), //
new RegexLeaf("ARROW_SUPPCIRCLE", "([ox][%s]+)?"), //
RegexLeaf.spaceZeroOrMore(), //
new RegexLeaf("PARTICIPANT", "([\\p{L}0-9_.@]+|[%g][^%g]+[%g])"), //
RegexLeaf.spaceZeroOrMore(), //
new RegexLeaf("ACTIVATION", "(?:([+*!-]+)?)"), //
RegexLeaf.spaceZeroOrMore(), //
new RegexLeaf("LIFECOLOR", "(?:(#\\w+)?)"), //
RegexLeaf.spaceZeroOrMore(), //
new RegexLeaf("URL", "(" + UrlBuilder.getRegexp() + ")?"), //
RegexLeaf.spaceZeroOrMore(), //
new RegexOptional( //
new RegexConcat( //
new RegexLeaf(":"), //
RegexLeaf.spaceZeroOrMore(), //
new RegexLeaf("LABEL", "(.*)") //
)), RegexLeaf.end());
}
@Override
MessageExoType getMessageExoType(RegexResult arg2) {
final String start = arg2.get("SHORT", 0);
final String dressing1 = arg2.get("ARROW_DRESSING1", 0);
final String dressing2 = arg2.get("ARROW_DRESSING2", 0);
if (start != null && start.contains("]")) {
if (dressing1 != null) {
return MessageExoType.FROM_RIGHT;
}
if (dressing2 != null) {
return MessageExoType.TO_RIGHT;
}
throw new IllegalArgumentException();
}
if (dressing1 != null) {
return MessageExoType.FROM_LEFT;
}
if (dressing2 != null) {
return MessageExoType.TO_LEFT;
}
throw new IllegalArgumentException();
}
}
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