mirror of https://github.com/octoleo/plantuml.git
220 lines
6.6 KiB
Java
220 lines
6.6 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.command;
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import java.util.ArrayList;
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import java.util.List;
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import java.util.Map;
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import net.sourceforge.plantuml.AbstractPSystem;
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import net.sourceforge.plantuml.EmbeddedDiagram;
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import net.sourceforge.plantuml.ErrorUml;
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import net.sourceforge.plantuml.ErrorUmlType;
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import net.sourceforge.plantuml.LineLocation;
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import net.sourceforge.plantuml.StringLocated;
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import net.sourceforge.plantuml.annotation.HaxeIgnored;
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import net.sourceforge.plantuml.core.Diagram;
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import net.sourceforge.plantuml.core.DiagramType;
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import net.sourceforge.plantuml.core.UmlSource;
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import net.sourceforge.plantuml.error.PSystemError;
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import net.sourceforge.plantuml.error.PSystemErrorUtils;
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import net.sourceforge.plantuml.utils.StartUtils;
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import net.sourceforge.plantuml.version.IteratorCounter2;
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public abstract class PSystemCommandFactory extends PSystemAbstractFactory {
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private final List<Command> cmds = new ArrayList<>();
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protected abstract void initCommandsList(List<Command> cmds);
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public abstract AbstractPSystem createEmptyDiagram(UmlSource source, Map<String, String> skinParam);
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@HaxeIgnored
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protected PSystemCommandFactory() {
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this(DiagramType.UML);
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}
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protected PSystemCommandFactory(DiagramType type) {
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super(type);
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}
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@Override
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final public Diagram createSystem(UmlSource source, Map<String, String> skinParam) {
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final IteratorCounter2 it = source.iterator2();
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final StringLocated startLine = it.next();
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if (StartUtils.isArobaseStartDiagram(startLine.getString()) == false)
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throw new UnsupportedOperationException();
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if (source.isEmpty()) {
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if (it.hasNext())
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it.next();
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return buildEmptyError(source, startLine.getLocation(), it.getTrace());
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}
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AbstractPSystem sys = createEmptyDiagram(source, skinParam);
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while (it.hasNext()) {
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if (StartUtils.isArobaseEndDiagram(it.peek().getString())) {
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if (sys == null)
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return null;
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final String err = sys.checkFinalError();
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if (err != null) {
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final LineLocation location = it.next().getLocation();
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return buildExecutionError(source, err, location, it.getTrace());
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}
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if (source.getTotalLineCount() == 2) {
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final LineLocation location = it.next().getLocation();
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return buildEmptyError(source, location, it.getTrace());
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}
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sys.makeDiagramReady();
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if (sys.isOk() == false)
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return null;
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return sys;
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}
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sys = executeFewLines(sys, source, it);
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if (sys instanceof PSystemError)
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return sys;
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}
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return sys;
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}
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private AbstractPSystem executeFewLines(AbstractPSystem sys, UmlSource source, final IteratorCounter2 it) {
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final Step step = getCandidate(it);
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if (step == null) {
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final ErrorUml err = new ErrorUml(ErrorUmlType.SYNTAX_ERROR, "Syntax Error?", 0, it.peek().getLocation());
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it.next();
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return PSystemErrorUtils.buildV2(source, err, null, it.getTrace());
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}
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final CommandExecutionResult result = sys.executeCommand(step.command, step.blocLines);
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if (result.isOk() == false) {
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final LineLocation location = ((StringLocated) step.blocLines.getFirst()).getLocation();
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final ErrorUml err = new ErrorUml(ErrorUmlType.EXECUTION_ERROR, result.getError(), result.getScore(),
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location);
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sys = PSystemErrorUtils.buildV2(source, err, result.getDebugLines(), it.getTrace());
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}
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if (result.getNewDiagram() != null)
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sys = result.getNewDiagram();
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return sys;
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}
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static class Step {
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final Command command;
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final BlocLines blocLines;
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Step(Command command, BlocLines blocLines) {
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this.command = command;
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this.blocLines = blocLines;
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}
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}
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private Step getCandidate(final IteratorCounter2 it) {
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final BlocLines single = BlocLines.single(it.peek());
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synchronized (cmds) {
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if (cmds.size() == 0)
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initCommandsList(cmds);
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}
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for (Command cmd : cmds) {
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final CommandControl result = cmd.isValid(single);
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if (result == CommandControl.OK) {
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it.next();
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return new Step(cmd, single);
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}
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if (result == CommandControl.OK_PARTIAL) {
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final IteratorCounter2 cloned = it.cloneMe();
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final BlocLines lines = isMultilineCommandOk(cloned, cmd);
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if (lines == null)
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continue;
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it.copyStateFrom(cloned);
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return new Step(cmd, lines);
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}
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}
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return null;
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}
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private BlocLines isMultilineCommandOk(IteratorCounter2 it, Command cmd) {
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BlocLines lines = BlocLines.create();
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int nb = 0;
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while (it.hasNext()) {
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lines = addOneSingleLineManageEmbedded2(it, lines);
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final CommandControl result = cmd.isValid(lines);
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if (result == CommandControl.NOT_OK)
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return null;
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if (result == CommandControl.OK)
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return lines;
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nb++;
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if (cmd instanceof CommandDecoratorMultine && nb > ((CommandDecoratorMultine) cmd).getNbMaxLines())
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return null;
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}
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return null;
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}
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private static BlocLines addOneSingleLineManageEmbedded2(IteratorCounter2 it, BlocLines lines) {
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final StringLocated linetoBeAdded = it.next();
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lines = lines.add(linetoBeAdded);
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if (EmbeddedDiagram.getEmbeddedType(linetoBeAdded.getTrimmed().getString()) != null) {
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int nested = 1;
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while (it.hasNext()) {
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final StringLocated s = it.next();
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lines = lines.add(s);
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if (EmbeddedDiagram.getEmbeddedType(s.getTrimmed().getString()) != null)
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// if (s.getTrimmed().getString().startsWith(EmbeddedDiagram.EMBEDDED_START))
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nested++;
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else if (s.getTrimmed().getString().equals(EmbeddedDiagram.EMBEDDED_END)) {
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nested--;
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if (nested == 0)
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return lines;
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}
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}
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}
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return lines;
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}
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}
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