Context.java
/* ========================================================================
* PlantUML : a free UML diagram generator
* ========================================================================
*
* (C) Copyright 2009-2024, Arnaud Roques
*
* Project Info: https://plantuml.com
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* This file is part of PlantUML.
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* 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,
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* Original Author: Arnaud Roques
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*/
package net.sourceforge.plantuml.style.parser;
import java.util.ArrayList;
import java.util.Collection;
import java.util.EnumMap;
import java.util.List;
import java.util.Map;
import net.sourceforge.plantuml.style.PName;
import net.sourceforge.plantuml.style.SName;
import net.sourceforge.plantuml.style.Style;
import net.sourceforge.plantuml.style.StyleLoader;
import net.sourceforge.plantuml.style.StyleSignatureBasic;
import net.sourceforge.plantuml.style.Value;
class Context {
private final List<StyleSignatureBasic> signatures = new ArrayList<>();
private final Map<PName, Value> map = new EnumMap<>(PName.class);
private Context parent;
private Context() {
}
public static Context empty() {
final Context result = new Context();
result.signatures.add(StyleSignatureBasic.empty());
return result;
}
public Context push(String newString) {
if (newString.startsWith(":"))
newString = newString.substring(1);
final Context result = new Context();
result.parent = this;
boolean star = false;
if (newString.endsWith(StyleSignatureBasic.STAR)) {
newString = newString.substring(0, newString.length() - 1).trim();
star = true;
}
for (String s : newString.split(","))
for (StyleSignatureBasic ssb : this.signatures) {
if (s.startsWith(".")) {
ssb = ssb.addStereotype(s);
} else if (s.startsWith("depth(")) {
ssb = ssb.addLevel(Integer.parseInt(s.replaceAll("\\D", "")));
} else {
final SName sname = SName.retrieve(s);
if (sname == null)
ssb = ssb.addStereotype(s);
else
ssb = ssb.addSName(sname);
}
if (star)
ssb = ssb.addStar();
result.signatures.add(ssb);
}
return result;
}
public Context pop() {
if (isEmpty())
throw new IllegalStateException();
return this.parent;
}
@Override
public String toString() {
return signatures.toString();
}
public boolean isEmpty() {
return signatures.get(0).isEmpty();
}
public Collection<StyleSignatureBasic> toSignatures() {
return signatures;
}
public void putInContext(PName key, Value value) {
map.put(key, value);
}
public Collection<Style> toStyles() {
final Collection<Style> result = new ArrayList<>();
final Collection<StyleSignatureBasic> signatures = toSignatures();
for (StyleSignatureBasic signature : signatures) {
Map<PName, Value> tmp = map;
if (signature.isWithDot())
tmp = StyleLoader.addPriorityForStereotype(tmp);
if (tmp.size() > 0)
result.add(new Style(signature, tmp));
}
return result;
}
}