mirror of https://github.com/octoleo/plantuml.git
137 lines
4.3 KiB
Java
137 lines
4.3 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.graphic;
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import java.awt.image.BufferedImage;
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import java.io.IOException;
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import net.sourceforge.plantuml.FileSystem;
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import net.sourceforge.plantuml.FileUtils;
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import net.sourceforge.plantuml.StringUtils;
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import net.sourceforge.plantuml.command.regex.Matcher2;
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import net.sourceforge.plantuml.command.regex.MyPattern;
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import net.sourceforge.plantuml.command.regex.Pattern2;
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import net.sourceforge.plantuml.log.Logger;
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import net.sourceforge.plantuml.security.SFile;
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import net.sourceforge.plantuml.security.SURL;
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public class Img implements HtmlCommand {
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final static private Pattern2 srcPattern = MyPattern.cmpile("src[%s]*=[%s]*[\"%q]?([^%s\">]+)[\"%q]?");
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final static private Pattern2 vspacePattern = MyPattern.cmpile("vspace[%s]*=[%s]*[\"%q]?(\\d+)[\"%q]?");
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final static private Pattern2 valignPattern = MyPattern
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.cmpile("valign[%s]*=[%s]*[\"%q]?(top|bottom|middle)[\"%q]?");
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final static private Pattern2 noSrcColonPattern = MyPattern.cmpile(Splitter.imgPatternNoSrcColon);
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private final TextBlock tileImage;
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private Img(TextBlock image) {
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this.tileImage = image;
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}
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static int getVspace(String html) {
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final Matcher2 m = vspacePattern.matcher(html);
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if (m.find() == false)
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return 0;
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return Integer.parseInt(m.group(1));
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}
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static ImgValign getValign(String html) {
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final Matcher2 m = valignPattern.matcher(html);
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if (m.find() == false)
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return ImgValign.TOP;
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return ImgValign.valueOf(StringUtils.goUpperCase(m.group(1)));
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}
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static HtmlCommand getInstance(String html, boolean withSrc) {
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if (withSrc) {
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final Matcher2 m = srcPattern.matcher(html);
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final int vspace = getVspace(html);
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final ImgValign valign = getValign(html);
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return build(m, valign, vspace);
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}
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final Matcher2 m = noSrcColonPattern.matcher(html);
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return build(m, ImgValign.TOP, 0);
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}
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private static HtmlCommand build(final Matcher2 m, final ImgValign valign, final int vspace) {
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if (m.find() == false) {
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return new Text("(SYNTAX ERROR)");
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}
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final String src = m.group(1);
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try {
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final SFile f = FileSystem.getInstance().getFile(src);
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if (f.exists() == false) {
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// Check if valid URL
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if (src.startsWith("http:") || src.startsWith("https:")) {
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final SURL tmp = SURL.create(src);
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if (tmp == null)
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return new Text("(Cannot decode: " + src + ")");
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final BufferedImage read = tmp.readRasterImageFromURL();
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if (read == null)
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return new Text("(Cannot decode: " + src + ")");
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return new Img(new TileImage(read, valign, vspace));
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}
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return new Text("(Cannot decode: " + f + ")");
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}
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if (f.getName().endsWith(".svg")) {
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final String tmp = FileUtils.readSvg(f);
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if (tmp == null)
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return new Text("(Cannot decode: " + f + ")");
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return new Img(new TileImageSvg(tmp, 1));
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}
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final BufferedImage read = f.readRasterImageFromFile();
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if (read == null)
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return new Text("(Cannot decode: " + f + ")");
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return new Img(new TileImage(f.readRasterImageFromFile(), valign, vspace));
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} catch (IOException e) {
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Logger.error(e);
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return new Text("ERROR " + e);
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}
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}
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public TextBlock createMonoImage() {
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return tileImage;
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}
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}
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