mirror of https://github.com/octoleo/plantuml.git
144 lines
3.8 KiB
Java
144 lines
3.8 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.ugraphic;
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import java.util.Objects;
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import java.util.regex.Matcher;
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import java.util.regex.Pattern;
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import net.sourceforge.plantuml.SignatureUtils;
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public class UImageSvg implements UShape {
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private final String svg;
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private final double scale;
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public UImageSvg(String svg, double scale) {
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this.svg = Objects.requireNonNull(svg);
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this.scale = scale;
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}
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public String getMD5Hex() {
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return SignatureUtils.getMD5Hex(svg);
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}
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public boolean containsXlink() {
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return svg.contains("xmlns:xlink=\"http://www.w3.org/1999/xlink\"");
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}
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public String getSvg(boolean raw) {
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String result = svg;
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if (raw)
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return result;
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if (result.startsWith("<?xml")) {
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final int idx = result.indexOf("<svg");
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result = result.substring(idx);
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}
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if (result.startsWith("<svg")) {
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final int idx = result.indexOf(">");
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result = "<svg>" + result.substring(idx + 1);
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}
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final String style = extractSvgStyle();
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if (style != null) {
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final String background = extractBackground(style);
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if (background != null)
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result = result.replaceFirst("<g>", "<g><rect fill=\"" + background + "\" style=\"" + style + "\" /> ");
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}
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if (result.startsWith("<svg>") == false)
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throw new IllegalArgumentException();
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return result;
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}
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private String extractBackground(String style) {
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final Pattern p = Pattern.compile("background:([^;]+)");
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final Matcher m = p.matcher(style);
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if (m.find())
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return m.group(1);
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return null;
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}
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private String extractSvgStyle() {
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final Pattern p = Pattern.compile("(?i)\\<svg[^>]+style=\"([^\">]+)\"");
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final Matcher m = p.matcher(svg);
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if (m.find())
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return m.group(1);
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return null;
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}
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public int getData(String name) {
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final Pattern p = Pattern.compile("(?i)<svg[^>]+" + name + "\\W+(\\d+)");
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final Matcher m = p.matcher(svg);
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if (m.find()) {
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final String s = m.group(1);
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return Integer.parseInt(s);
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}
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final Pattern p2 = Pattern.compile("viewBox[= \"\']+([0-9.]+)[\\s,]+([0-9.]+)[\\s,]+([0-9.]+)[\\s,]+([0-9.]+)");
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final Matcher m2 = p2.matcher(svg);
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if (m2.find()) {
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if ("width".equals(name)) {
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final String s = m2.group(3);
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final int width = (int) Double.parseDouble(s);
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return width;
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}
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if ("height".equals(name)) {
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final String s = m2.group(4);
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final int result = (int) Double.parseDouble(s);
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return result;
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}
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}
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throw new IllegalStateException("Cannot find " + name);
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}
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public int getHeight() {
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return this.getData("height");
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}
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public int getWidth() {
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return this.getData("width");
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}
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public double getScale() {
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return scale;
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}
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}
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