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package net.sourceforge.plantuml.sequencediagram.command;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import java.util.StringTokenizer;
import net.sourceforge.plantuml.StringUtils;
import net.sourceforge.plantuml.classdiagram.command.CommandLinkClass;
import net.sourceforge.plantuml.command.CommandExecutionResult;
import net.sourceforge.plantuml.command.SingleLineCommand2;
import net.sourceforge.plantuml.descdiagram.command.CommandLinkElement;
import net.sourceforge.plantuml.klimt.color.HColor;
import net.sourceforge.plantuml.klimt.color.HColorSet;
import net.sourceforge.plantuml.klimt.color.NoSuchColorException;
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.sequencediagram.LifeEventType;
import net.sourceforge.plantuml.sequencediagram.Message;
import net.sourceforge.plantuml.sequencediagram.Participant;
import net.sourceforge.plantuml.sequencediagram.SequenceDiagram;
import net.sourceforge.plantuml.skin.ArrowBody;
import net.sourceforge.plantuml.skin.ArrowConfiguration;
import net.sourceforge.plantuml.skin.ArrowDecoration;
import net.sourceforge.plantuml.skin.ArrowHead;
import net.sourceforge.plantuml.skin.ArrowPart;
import net.sourceforge.plantuml.stereo.Stereotype;
import net.sourceforge.plantuml.stereo.StereotypePattern;
import net.sourceforge.plantuml.url.Url;
import net.sourceforge.plantuml.url.UrlBuilder;
import net.sourceforge.plantuml.url.UrlMode;
import net.sourceforge.plantuml.utils.LineLocation;
public class CommandArrow extends SingleLineCommand2 {
static final String ANCHOR = "(\\{([%pLN_]+)\\}[%s]+)?";
public CommandArrow() {
super(getRegexConcat());
}
public static String getColorOrStylePattern() {
return "(?:\\[(" + CommandLinkElement.LINE_STYLE + ")\\])?";
}
static IRegex getRegexConcat() {
return RegexConcat.build(CommandArrow.class.getName(), RegexLeaf.start(), //
new RegexLeaf("PARALLEL", "(&[%s]*)?"), //
new RegexLeaf("ANCHOR", ANCHOR), //
new RegexOr("PART1", //
new RegexLeaf("PART1CODE", "([%pLN_.@]+)"), //
new RegexLeaf("PART1LONG", "[%g]([^%g]+)[%g]"), //
new RegexLeaf("PART1LONGCODE", "[%g]([^%g]+)[%g][%s]*as[%s]+([%pLN_.@]+)"), //
new RegexLeaf("PART1CODELONG", "([%pLN_.@]+)[%s]+as[%s]*[%g]([^%g]+)[%g]")), //
new RegexLeaf("PART1ANCHOR", ANCHOR), //
RegexLeaf.spaceZeroOrMore(), //
new RegexOptional(new RegexOr("ARROW_DRESSING1", //
new RegexLeaf("[%s][ox]"), //
new RegexLeaf("(?:[%s][ox]|\\(\\d+\\))?<>?(?:[ox][%s]|\\(\\d+\\))?"), //
new RegexLeaf("//?(?:[ox][%s])?"), //
new RegexLeaf("\\\\\\\\?(?:[ox][%s])?"), //
new RegexLeaf("[ox][%s]"))), //
RegexLeaf.spaceZeroOrMore(), //
new RegexOr("PART2", //
new RegexLeaf("PART2CODE", "([%pLN_.@]+)"), //
new RegexLeaf("PART2LONG", "[%g]([^%g]+)[%g]"), //
new RegexLeaf("PART2LONGCODE", "[%g]([^%g]+)[%g][%s]*as[%s]+([%pLN_.@]+)"), //
new RegexLeaf("PART2CODELONG", "([%pLN_.@]+)[%s]+as[%s]*[%g]([^%g]+)[%g]")), //
new RegexLeaf("MULTICAST", "((?:\\s&\\s[%pLN_.@]+)*)"), //
new RegexLeaf("PART2ANCHOR", ANCHOR), //
RegexLeaf.spaceZeroOrMore(), //
new RegexLeaf("ACTIVATION", "(?:(\\+\\+|\\*\\*|!!|--|--\\+\\+|\\+\\+--)?)"), //
RegexLeaf.spaceZeroOrMore(), //
new RegexLeaf("LIFECOLOR", "(?:(#\\w+)?)"), //
StereotypePattern.optional("STEREOTYPE"), //
UrlBuilder.OPTIONAL, //
RegexLeaf.spaceZeroOrMore(), //
new RegexLeaf("MESSAGE", "(?::[%s]*(.*))?"), //
RegexLeaf.end()).protectSize(2000);
}
private List getMulticasts(SequenceDiagram system, RegexResult arg2) {
final String multicast = arg2.get("MULTICAST", 0);
if (multicast != null) {
final List result = new ArrayList<>();
for (String s : multicast.split("&")) {
s = s.trim();
if (s.length() == 0)
continue;
final Participant participant = system.getOrCreateParticipant(s);
if (participant != null)
result.add(participant);
}
return Collections.unmodifiableList(result);
}
return Collections.emptyList();
}
private Participant getOrCreateParticipant(SequenceDiagram system, RegexResult arg2, String n) {
final String code;
final Display display;
if (arg2.get(n + "CODE", 0) != null) {
code = arg2.get(n + "CODE", 0);
display = Display.getWithNewlines(code);
} else if (arg2.get(n + "LONG", 0) != null) {
code = arg2.get(n + "LONG", 0);
display = Display.getWithNewlines(code);
} else if (arg2.get(n + "LONGCODE", 0) != null) {
display = Display.getWithNewlines(arg2.get(n + "LONGCODE", 0));
code = arg2.get(n + "LONGCODE", 1);
} else if (arg2.get(n + "CODELONG", 0) != null) {
code = arg2.get(n + "CODELONG", 0);
display = Display.getWithNewlines(arg2.get(n + "CODELONG", 1));
return system.getOrCreateParticipant(code, display);
} else {
throw new IllegalStateException();
}
return system.getOrCreateParticipant(code, display);
}
private boolean contains(String string, String... totest) {
for (String t : totest)
if (string.contains(t))
return true;
return false;
}
private String getDressing(RegexResult arg, String key) {
String value = arg.get(key, 0);
value = CommandLinkClass.notNull(value);
value = value.replace("_", "");
return StringUtils.goLowerCase(value);
}
private int getInclination(String key) {
if (key == null)
return 0;
final int x1 = key.indexOf('(');
if (x1 == -1)
return 0;
final int x2 = key.indexOf(')');
if (x2 == -1)
return 0;
return Integer.parseInt(key.substring(x1 + 1, x2));
}
@Override
protected CommandExecutionResult executeArg(SequenceDiagram diagram, LineLocation location, RegexResult arg)
throws NoSuchColorException {
final String dressing1 = getDressing(arg, "ARROW_DRESSING1");
final String dressing2 = getDressing(arg, "ARROW_DRESSING2");
final int inclination1 = getInclination(arg.get("ARROW_DRESSING1", 0));
final int inclination2 = getInclination(arg.get("ARROW_DRESSING2", 0));
// Sorry, this code is note very clear
final boolean hasDressing1butx = contains(dressing1, "<", "\\", "/");
final boolean xInDressing1 = dressing1.contains("x");
final boolean hasDressing2butx = contains(dressing2, ">", "\\", "/");
final boolean xInDressing2 = dressing2.contains("x");
final boolean reverseDefine;
if (hasDressing2butx || (xInDressing1 && xInDressing2))
reverseDefine = false;
else if (hasDressing1butx)
reverseDefine = true;
else if (xInDressing1 || xInDressing2)
reverseDefine = false;
else
return CommandExecutionResult.error("Illegal sequence arrow");
final Participant p1;
final Participant p2;
final boolean circleAtStart;
final boolean circleAtEnd;
if (reverseDefine) {
// Keep the order
// See https://github.com/plantuml/plantuml/issues/1819#issuecomment-2158524871
p2 = getOrCreateParticipant(diagram, arg, "PART1");
p1 = getOrCreateParticipant(diagram, arg, "PART2");
circleAtStart = dressing2.contains("o");
circleAtEnd = dressing1.contains("o");
} else {
p1 = getOrCreateParticipant(diagram, arg, "PART1");
p2 = getOrCreateParticipant(diagram, arg, "PART2");
circleAtStart = dressing1.contains("o");
circleAtEnd = dressing2.contains("o");
}
final boolean sync = contains(dressing1, "<<", "\\\\", "//") || contains(dressing2, ">>", "\\\\", "//");
final boolean dotted = getLength(arg) > 1;
final Display labels;
if (arg.get("MESSAGE", 0) == null) {
labels = Display.create("");
} else {
// final String message = UrlBuilder.multilineTooltip(arg.get("MESSAGE", 0));
final String message = arg.get("MESSAGE", 0);
labels = Display.getWithNewlines(message);
}
ArrowConfiguration config = hasDressing1butx && hasDressing2butx ? ArrowConfiguration.withDirectionBoth()
: ArrowConfiguration.withDirectionNormal();
if (dotted)
config = config.withBody(ArrowBody.DOTTED);
if (sync)
config = config.withHead(ArrowHead.ASYNC);
if (dressing2.contains("\\") || dressing1.contains("/"))
config = config.withPart(ArrowPart.TOP_PART);
if (dressing2.contains("/") || dressing1.contains("\\"))
config = config.withPart(ArrowPart.BOTTOM_PART);
if (circleAtEnd)
config = config.withDecoration2(ArrowDecoration.CIRCLE);
if (circleAtStart)
config = config.withDecoration1(ArrowDecoration.CIRCLE);
if (reverseDefine) {
if (xInDressing1)
config = config.withHead2(ArrowHead.CROSSX);
if (xInDressing2)
config = config.withHead1(ArrowHead.CROSSX);
} else {
if (xInDressing1)
config = config.withHead1(ArrowHead.CROSSX);
if (xInDressing2)
config = config.withHead2(ArrowHead.CROSSX);
}
if (reverseDefine)
config = config.reverseDefine();
config = applyStyle(arg.getLazzy("ARROW_STYLE", 0), config);
config = config.withInclination(inclination1 + inclination2);
final String activationSpec = arg.get("ACTIVATION", 0);
if (activationSpec != null && activationSpec.charAt(0) == '*')
diagram.activate(p2, LifeEventType.CREATE, null);
final String messageNumber = diagram.getNextMessageNumber();
final Message msg = new Message(diagram.getSkinParam().getCurrentStyleBuilder(), p1, p2,
diagram.manageVariable(labels), config, messageNumber);
msg.setMulticast(getMulticasts(diagram, arg));
final String url = arg.get("URL", 0);
if (url != null) {
final UrlBuilder urlBuilder = new UrlBuilder(diagram.getSkinParam().getValue("topurl"), UrlMode.STRICT);
final Url urlLink = urlBuilder.getUrl(url);
msg.setUrl(urlLink);
}
if (arg.get("STEREOTYPE", 0) != null) {
final Stereotype stereotype = Stereotype.build(arg.get("STEREOTYPE", 0));
msg.getStereotype(stereotype);
}
final boolean parallel = arg.get("PARALLEL", 0) != null;
if (parallel)
msg.goParallel();
msg.setAnchor(arg.get("ANCHOR", 1));
msg.setPart1Anchor(arg.get("PART1ANCHOR", 1));
msg.setPart2Anchor(arg.get("PART2ANCHOR", 1));
final CommandExecutionResult status = diagram.addMessage(msg);
if (status.isOk() == false)
return status;
final String s = arg.get("LIFECOLOR", 0);
final HColor activationColor = s == null ? null : diagram.getSkinParam().getIHtmlColorSet().getColor(s);
if (activationSpec != null)
return manageActivations(activationSpec, diagram, p1, p2, activationColor);
if (diagram.isAutoactivate() && (config.getHead() == ArrowHead.NORMAL || config.getHead() == ArrowHead.ASYNC))
if (config.isDotted())
diagram.activate(p1, LifeEventType.DEACTIVATE, null);
else
diagram.activate(p2, LifeEventType.ACTIVATE, activationColor);
return CommandExecutionResult.ok();
}
private CommandExecutionResult manageActivations(String spec, SequenceDiagram diagram, Participant p1,
Participant p2, HColor activationColor) {
switch (spec.charAt(0)) {
case '+':
diagram.activate(p2, LifeEventType.ACTIVATE, activationColor);
break;
case '-':
diagram.activate(p1, LifeEventType.DEACTIVATE, null);
break;
case '!':
diagram.activate(p2, LifeEventType.DESTROY, null);
break;
}
if (spec.length() == 4) {
switch (spec.charAt(2)) {
case '+':
diagram.activate(p2, LifeEventType.ACTIVATE, activationColor);
break;
case '-':
diagram.activate(p1, LifeEventType.DEACTIVATE, null);
break;
}
}
return CommandExecutionResult.ok();
}
private int getLength(RegexResult arg2) {
String sa = arg2.getLazzy("ARROW_BODYA", 0);
if (sa == null)
sa = "";
String sb = arg2.getLazzy("ARROW_BODYB", 0);
if (sb == null)
sb = "";
return sa.length() + sb.length();
}
public static ArrowConfiguration applyStyle(String arrowStyle, ArrowConfiguration config)
throws NoSuchColorException {
if (arrowStyle == null)
return config;
final StringTokenizer st = new StringTokenizer(arrowStyle, ",");
while (st.hasMoreTokens()) {
final String s = st.nextToken();
if (s.equalsIgnoreCase("dashed")) {
config = config.withBody(ArrowBody.DOTTED);
} else if (s.equalsIgnoreCase("bold")) {
} else if (s.equalsIgnoreCase("dotted")) {
config = config.withBody(ArrowBody.DOTTED);
} else if (s.equalsIgnoreCase("hidden")) {
config = config.withBody(ArrowBody.HIDDEN);
} else {
config = config.withColor(HColorSet.instance().getColor(s));
}
}
return config;
}
}
