mirror of https://github.com/octoleo/plantuml.git
94 lines
3.3 KiB
Java
94 lines
3.3 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.ebnf;
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import java.io.IOException;
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import java.io.OutputStream;
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import java.util.ArrayList;
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import java.util.List;
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import net.sourceforge.plantuml.FileFormatOption;
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import net.sourceforge.plantuml.TitledDiagram;
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import net.sourceforge.plantuml.UmlDiagramType;
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import net.sourceforge.plantuml.core.DiagramDescription;
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import net.sourceforge.plantuml.core.ImageData;
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import net.sourceforge.plantuml.core.UmlSource;
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import net.sourceforge.plantuml.graphic.FontConfiguration;
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import net.sourceforge.plantuml.graphic.HorizontalAlignment;
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import net.sourceforge.plantuml.graphic.TextBlock;
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import net.sourceforge.plantuml.graphic.TextBlockUtils;
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import net.sourceforge.plantuml.style.Style;
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import net.sourceforge.plantuml.svek.TextBlockBackcolored;
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public class PSystemEbnf extends TitledDiagram {
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private final List<String> lines = new ArrayList<>();
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public PSystemEbnf(UmlSource source) {
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super(source, UmlDiagramType.EBNF, null);
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}
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public DiagramDescription getDescription() {
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return new DiagramDescription("(EBNF)");
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}
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public void addLine(String line) {
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lines.add(line.trim());
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}
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@Override
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protected ImageData exportDiagramNow(OutputStream os, int index, FileFormatOption fileFormatOption)
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throws IOException {
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return createImageBuilder(fileFormatOption).drawable(getTextBlock()).write(os);
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}
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private TextBlockBackcolored getTextBlock() {
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final List<EbnfSingleExpression> all = EbnfExpressions.build(lines, getPragma());
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if (all.size() == 0) {
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final Style style = ETile.getStyleSignature().getMergedStyle(getSkinParam().getCurrentStyleBuilder());
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final FontConfiguration fc = style.getFontConfiguration(getSkinParam().getIHtmlColorSet());
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final TextBlock tmp = EbnfEngine.syntaxError(fc, getSkinParam());
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return TextBlockUtils.addBackcolor(tmp, null);
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}
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TextBlock result = all.get(0).getUDrawable(getSkinParam());
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for (int i = 1; i < all.size(); i++)
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result = TextBlockUtils.mergeTB(result, all.get(i).getUDrawable(getSkinParam()), HorizontalAlignment.LEFT);
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return TextBlockUtils.addBackcolor(result, null);
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}
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}
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