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net.sourceforge.plantuml.jsondiagram.StyleExtractor Maven / Gradle / Ivy
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PlantUML is a component that allows to quickly write :
* sequence diagram,
* use case diagram,
* class diagram,
* activity diagram,
* component diagram,
* state diagram
* object diagram
/* ========================================================================
* 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/paypal
*
* This file is part of PlantUML.
*
* PlantUML is free software; you can redistribute it and/or modify it
* under the terms of the GNU 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 General Public
* License for more details.
*
* You should have received a copy of the GNU General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
* USA.
*
*
* Original Author: Arnaud Roques
*
*
*/
package net.sourceforge.plantuml.jsondiagram;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
import net.sourceforge.plantuml.style.ISkinParam;
import net.sourceforge.plantuml.style.Style;
import net.sourceforge.plantuml.style.StyleBuilder;
import net.sourceforge.plantuml.style.parser.StyleParser;
import net.sourceforge.plantuml.style.parser.StyleParsingException;
import net.sourceforge.plantuml.text.StringLocated;
import net.sourceforge.plantuml.utils.BlocLines;
public class StyleExtractor {
private final List list = new ArrayList<>();
private final List style = new ArrayList<>();
private String title = null;
private boolean handwritten = false;
private double scale = 1;
public StyleExtractor(Iterator data) {
while (data.hasNext()) {
StringLocated line = data.next();
final String s = line.getString().trim();
if (s.length() == 0)
continue;
if (startStyle(s)) {
while (data.hasNext()) {
style.add(line);
if (endStyle(line))
break;
line = data.next();
}
} else if (list.size() >= 1 && s.startsWith("!assume ")) {
// Ignore
} else if (list.size() >= 1 && s.startsWith("!pragma ")) {
// Ignore
} else if (list.size() >= 1 && s.startsWith("hide ")) {
// Ignore
} else if (list.size() >= 1 && s.startsWith("scale ")) {
// Ignore
try {
final double v = Double.parseDouble(s.replaceAll("\\D", ""));
if (v > 0)
scale = v;
} catch (Exception e) {
}
} else if (list.size() >= 1 && s.startsWith("title ")) {
this.title = s.substring("title ".length()).trim();
} else if (list.size() >= 1 && s.startsWith("skinparam ")) {
if (s.contains("handwritten") && s.contains("true"))
handwritten = true;
if (s.contains("{")) {
while (data.hasNext()) {
if (line.getString().trim().equals("}"))
break;
line = data.next();
}
}
} else {
list.add(line.getString());
}
}
}
private boolean startStyle(String line) {
return line.equals("");
}
public void applyStyles(ISkinParam skinParam) throws StyleParsingException {
if (style.size() > 0) {
final StyleBuilder styleBuilder = skinParam.getCurrentStyleBuilder();
final BlocLines blocLines = BlocLines.from(style);
for (Style modifiedStyle : StyleParser.parse(blocLines, styleBuilder))
skinParam.muteStyle(modifiedStyle);
}
}
public Iterator getIterator() {
return list.iterator();
}
public String getTitle() {
return title;
}
public final boolean isHandwritten() {
return handwritten;
}
public double getScale() {
return scale;
}
}
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