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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.statediagram.command;
import net.sourceforge.plantuml.Direction;
import net.sourceforge.plantuml.LineLocation;
import net.sourceforge.plantuml.OptionFlags;
import net.sourceforge.plantuml.StringUtils;
import net.sourceforge.plantuml.UmlDiagramType;
import net.sourceforge.plantuml.command.CommandExecutionResult;
import net.sourceforge.plantuml.command.SingleLineCommand2;
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.RegexResult;
import net.sourceforge.plantuml.cucadiagram.Code;
import net.sourceforge.plantuml.cucadiagram.Display;
import net.sourceforge.plantuml.cucadiagram.IEntity;
import net.sourceforge.plantuml.cucadiagram.Ident;
import net.sourceforge.plantuml.cucadiagram.LeafType;
import net.sourceforge.plantuml.cucadiagram.Link;
import net.sourceforge.plantuml.cucadiagram.LinkDecor;
import net.sourceforge.plantuml.cucadiagram.LinkType;
import net.sourceforge.plantuml.cucadiagram.Stereotype;
import net.sourceforge.plantuml.descdiagram.command.CommandLinkElement;
import net.sourceforge.plantuml.graphic.color.ColorType;
import net.sourceforge.plantuml.statediagram.StateDiagram;
public class CommandLinkState extends SingleLineCommand2<StateDiagram> {
public CommandLinkState() {
super(getRegex());
}
static RegexConcat getRegex() {
return RegexConcat.build(CommandLinkState.class.getName(), RegexLeaf.start(), //
getStatePattern("ENT1"), //
RegexLeaf.spaceZeroOrMore(), //
new RegexConcat(
//
new RegexLeaf("ARROW_CROSS_START", "(x)?"), //
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("\\>"), //
new RegexLeaf("ARROW_CIRCLE_END", "(o[%s]+)?")), //
RegexLeaf.spaceZeroOrMore(), //
getStatePattern("ENT2"), //
RegexLeaf.spaceZeroOrMore(), //
new RegexOptional( //
new RegexConcat( //
new RegexLeaf(":"), //
RegexLeaf.spaceZeroOrMore(), //
new RegexLeaf("LABEL", "(.+)") //
)), RegexLeaf.end());
}
private static RegexLeaf getStatePattern(String name) {
return new RegexLeaf(
name,
"([\\p{L}0-9_.]+|[\\p{L}0-9_.]+\\[H\\]|\\[\\*\\]|\\[H\\]|(?:==+)(?:[\\p{L}0-9_.]+)(?:==+))[%s]*(\\<\\<.*\\>\\>)?[%s]*(#\\w+)?");
}
@Override
protected CommandExecutionResult executeArg(StateDiagram diagram, LineLocation location, RegexResult arg) {
final String ent1 = arg.get("ENT1", 0);
final String ent2 = arg.get("ENT2", 0);
final IEntity cl1 = getEntityStart(diagram, ent1);
if (cl1 == null) {
return CommandExecutionResult.error("The state " + ent1
+ " has been created in a concurrent state : it cannot be used here.");
}
final IEntity cl2 = getEntityEnd(diagram, ent2);
if (cl2 == null) {
return CommandExecutionResult.error("The state " + ent2
+ " has been created in a concurrent state : it cannot be used here.");
}
if (arg.get("ENT1", 1) != null) {
cl1.setStereotype(new Stereotype(arg.get("ENT1", 1)));
}
if (arg.get("ENT1", 2) != null) {
cl1.setSpecificColorTOBEREMOVED(ColorType.BACK,
diagram.getSkinParam().getIHtmlColorSet().getColorIfValid(arg.get("ENT1", 2)));
}
if (arg.get("ENT2", 1) != null) {
cl2.setStereotype(new Stereotype(arg.get("ENT2", 1)));
}
if (arg.get("ENT2", 2) != null) {
cl2.setSpecificColorTOBEREMOVED(ColorType.BACK,
diagram.getSkinParam().getIHtmlColorSet().getColorIfValid(arg.get("ENT2", 2)));
}
String queue = arg.get("ARROW_BODY1", 0) + arg.get("ARROW_BODY2", 0);
final Direction dir = getDirection(arg);
if (dir == Direction.LEFT || dir == Direction.RIGHT) {
queue = "-";
}
final int lenght = queue.length();
final boolean crossStart = arg.get("ARROW_CROSS_START", 0) != null;
final boolean circleEnd = arg.get("ARROW_CIRCLE_END", 0) != null;
final LinkType linkType = new LinkType(circleEnd ? LinkDecor.ARROW_AND_CIRCLE : LinkDecor.ARROW,
crossStart ? LinkDecor.CIRCLE_CROSS : LinkDecor.NONE);
final Display label = Display.getWithNewlines(arg.get("LABEL", 0));
Link link = new Link(cl1, cl2, linkType, label, lenght, diagram.getSkinParam().getCurrentStyleBuilder());
if (dir == Direction.LEFT || dir == Direction.UP) {
link = link.getInv();
}
link.applyStyle(arg.getLazzy("ARROW_STYLE", 0));
link.setUmlDiagramType(UmlDiagramType.STATE);
diagram.addLink(link);
return CommandExecutionResult.ok();
}
private Direction getDirection(RegexResult arg) {
final String arrowDirection = arg.get("ARROW_DIRECTION", 0);
if (arrowDirection != null) {
return StringUtils.getQueueDirection(arrowDirection);
}
return null;
}
private IEntity getEntityStart(StateDiagram diagram, final String codeString) {
if (codeString.startsWith("[*]")) {
return diagram.getStart();
}
return getFoo1(diagram, codeString);
}
private IEntity getEntityEnd(StateDiagram diagram, final String codeString) {
if (codeString.startsWith("[*]")) {
return diagram.getEnd();
}
return getFoo1(diagram, codeString);
}
private IEntity getFoo1(StateDiagram diagram, final String codeString) {
if (codeString.equalsIgnoreCase("[H]")) {
return diagram.getHistorical();
}
if (codeString.endsWith("[H]")) {
return diagram.getHistorical(codeString.substring(0, codeString.length() - 3));
}
if (codeString.startsWith("=") && codeString.endsWith("=")) {
final String codeString1 = removeEquals(codeString);
final Ident ident1 = diagram.buildLeafIdent(codeString1);
final Code code1 = diagram.V1972() ? ident1 : diagram.buildCode(codeString1);
return diagram.getOrCreateLeaf(ident1, code1, LeafType.SYNCHRO_BAR, null);
}
final Ident ident = diagram.buildLeafIdent(codeString);
final Code code = diagram.V1972() ? ident : diagram.buildCode(codeString);
if (diagram.checkConcurrentStateOk(ident, code) == false) {
return null;
}
return diagram.getOrCreateLeaf(ident, code, null, null);
}
private String removeEquals(String code) {
while (code.startsWith("=")) {
code = code.substring(1);
}
while (code.endsWith("=")) {
code = code.substring(0, code.length() - 1);
}
return code;
}
}
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