StyleKey.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,
* USA.
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* Original Author: Arnaud Roques
*
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*/
package net.sourceforge.plantuml.style;
import java.util.EnumSet;
import java.util.Objects;
import net.sourceforge.plantuml.url.Url;
public class StyleKey {
// ::remove file when __HAXE__
public final EnumSet<SName> snames;
public final boolean isStared;
public final int level;
private StyleKey(EnumSet<SName> snames, int level, boolean isStared) {
this.level = level;
this.isStared = isStared;
this.snames = snames;
}
public static StyleKey empty() {
return new StyleKey(EnumSet.noneOf(SName.class), -1, false);
}
@Override
public String toString() {
final StringBuilder sb = new StringBuilder(snames + " ");
if (level != -1)
sb.append(" " + level);
if (isStared)
sb.append(" (*)");
return sb.toString();
}
public StyleKey addClickable(Url url) {
if (url == null)
return this;
final EnumSet<SName> result = snames.clone();
result.add(SName.clickable);
return new StyleKey(result, level, isStared);
}
public StyleKey addLevel(int level) {
return new StyleKey(snames, level, isStared);
}
public StyleKey addSName(SName name) {
final EnumSet<SName> result = snames.clone();
result.add(name);
return new StyleKey(result, level, isStared);
}
public StyleKey addStar() {
return new StyleKey(snames, level, true);
}
public static StyleKey of(SName... names) {
final EnumSet<SName> result = EnumSet.noneOf(SName.class);
for (SName name : names)
result.add(name);
return new StyleKey(result, -1, false);
}
public StyleKey mergeWith(StyleKey other) {
final EnumSet<SName> result1 = snames.clone();
result1.addAll(other.snames);
return new StyleKey(result1, Math.max(level, other.level), isStared || other.isStared);
}
@Override
public boolean equals(Object obj) {
if (this == obj)
return true;
if (!(obj instanceof StyleKey))
return false;
final StyleKey other = (StyleKey) obj;
return Objects.equals(snames, other.snames) && isStared == other.isStared && level == other.level;
}
private transient int cachedHashCode = 0;
@Override
public int hashCode() {
int result = cachedHashCode;
if (result == 0) {
result = Objects.hash(snames, isStared, level);
cachedHashCode = result;
}
return result;
}
}