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PlantUML is a component that allows to quickly write diagrams from text.
// 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 Lesser 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 Lesser General Public
* License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this library. If not, see cmds = new ArrayList<>();
protected abstract void initCommandsList(List cmds);
public abstract AbstractPSystem createEmptyDiagram(UmlSource source, Map skinParam);
protected PSystemCommandFactory() {
this(DiagramType.UML);
}
protected PSystemCommandFactory(DiagramType type) {
super(type);
}
@Override
final public Diagram createSystem(UmlSource source, Map skinParam) {
final IteratorCounter2 it = source.iterator2();
final StringLocated startLine = it.next();
if (StartUtils.isArobaseStartDiagram(startLine.getString()) == false)
throw new UnsupportedOperationException();
if (source.isEmpty()) {
if (it.hasNext())
it.next();
return buildEmptyError(source, startLine.getLocation(), it.getTrace());
}
AbstractPSystem sys = createEmptyDiagram(source, skinParam);
while (it.hasNext()) {
if (StartUtils.isArobaseEndDiagram(it.peek().getString())) {
if (sys == null)
return null;
final String err = sys.checkFinalError();
if (err != null) {
final LineLocation location = it.next().getLocation();
return buildExecutionError(source, err, location, it.getTrace());
}
if (source.getTotalLineCount() == 2) {
final LineLocation location = it.next().getLocation();
return buildEmptyError(source, location, it.getTrace());
}
sys.makeDiagramReady();
if (sys.isOk() == false)
return null;
return sys;
}
sys = executeFewLines(sys, source, it);
if (sys instanceof PSystemError)
return sys;
}
return sys;
}
private AbstractPSystem executeFewLines(AbstractPSystem sys, UmlSource source, final IteratorCounter2 it) {
final Step step = getCandidate(it);
if (step == null) {
final ErrorUml err = new ErrorUml(ErrorUmlType.SYNTAX_ERROR, "Syntax Error?", 0, it.peek().getLocation());
it.next();
return PSystemErrorUtils.buildV2(source, err, null, it.getTrace());
}
final CommandExecutionResult result = sys.executeCommand(step.command, step.blocLines);
if (result.isOk() == false) {
final LineLocation location = ((StringLocated) step.blocLines.getFirst()).getLocation();
final ErrorUml err = new ErrorUml(ErrorUmlType.EXECUTION_ERROR, result.getError(), result.getScore(),
location);
sys = PSystemErrorUtils.buildV2(source, err, result.getDebugLines(), it.getTrace());
}
if (result.getNewDiagram() != null)
sys = result.getNewDiagram();
return sys;
}
static class Step {
final Command command;
final BlocLines blocLines;
Step(Command command, BlocLines blocLines) {
this.command = command;
this.blocLines = blocLines;
}
}
private Step getCandidate(final IteratorCounter2 it) {
final BlocLines single = BlocLines.single(it.peek());
synchronized (cmds) {
if (cmds.size() == 0)
initCommandsList(cmds);
}
for (Command cmd : cmds) {
final CommandControl result = cmd.isValid(single);
if (result == CommandControl.OK) {
it.next();
return new Step(cmd, single);
}
if (result == CommandControl.OK_PARTIAL) {
final IteratorCounter2 cloned = it.cloneMe();
final BlocLines lines = isMultilineCommandOk(cloned, cmd);
if (lines == null)
continue;
it.copyStateFrom(cloned);
return new Step(cmd, lines);
}
}
return null;
}
private BlocLines isMultilineCommandOk(IteratorCounter2 it, Command cmd) {
BlocLines lines = BlocLines.create();
int nb = 0;
while (it.hasNext()) {
lines = addOneSingleLineManageEmbedded2(it, lines);
final CommandControl result = cmd.isValid(lines);
if (result == CommandControl.NOT_OK)
return null;
if (result == CommandControl.OK)
return lines;
nb++;
if (cmd instanceof CommandDecoratorMultine && nb > ((CommandDecoratorMultine) cmd).getNbMaxLines())
return null;
}
return null;
}
private static BlocLines addOneSingleLineManageEmbedded2(IteratorCounter2 it, BlocLines lines) {
final StringLocated linetoBeAdded = it.next();
lines = lines.add(linetoBeAdded);
if (EmbeddedDiagram.getEmbeddedType(linetoBeAdded.getTrimmed().getString()) != null) {
int nested = 1;
while (it.hasNext()) {
final StringLocated s = it.next();
lines = lines.add(s);
if (EmbeddedDiagram.getEmbeddedType(s.getTrimmed().getString()) != null)
// if (s.getTrimmed().getString().startsWith(EmbeddedDiagram.EMBEDDED_START))
nested++;
else if (s.getTrimmed().getString().equals(EmbeddedDiagram.EMBEDDED_END)) {
nested--;
if (nested == 0)
return lines;
}
}
}
return lines;
}
}