net.sourceforge.plantuml.cucadiagram.HideOrShow Maven / Gradle / Ivy

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PlantUML is a component that allows to quickly write diagrams from text.
There is a newer version: 1.2024.8
// THIS FILE HAS BEEN GENERATED BY A PREPROCESSOR.
/* +=======================================================================
 * |
 * |      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/liberapay (only 1€ per month!)
 * https://plantuml.com/paypal
 *
 *
 * PlantUML is free software; you can redistribute it and/or modify it
 * under the terms of the GNU Lesser 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 Lesser General Public
 * License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this library.  If not, see .
 *
 * PlantUML can occasionally display sponsored or advertising messages. Those
 * messages are usually generated on welcome or error images and never on
 * functional diagrams.
 * See https://plantuml.com/professional if you want to remove them
 *
 * Images (whatever their format : PNG, SVG, EPS...) generated by running PlantUML
 * are owned by the author of their corresponding sources code (that is, their
 * textual description in PlantUML language). Those images are not covered by
 * this LGPL license.
 *
 * The generated images can then be used without any reference to the LGPL license.
 * It is not even necessary to stipulate that they have been generated with PlantUML,
 * although this will be appreciated by the PlantUML team.
 *
 * There is an exception : if the textual description in PlantUML language is also covered
 * by any license, then the generated images are logically covered
 * by the very same license.
 *
 * This is the IGY distribution (Install GraphViz by Yourself).
 * You have to install GraphViz and to setup the GRAPHVIZ_DOT environment variable
 * (see https://plantuml.com/graphviz-dot )
 *
 * Icons provided by OpenIconic :  https://useiconic.com/open
 * Archimate sprites provided by Archi :  http://www.archimatetool.com
 * Stdlib AWS provided by https://github.com/milo-minderbinder/AWS-PlantUML
 * Stdlib Icons provided https://github.com/tupadr3/plantuml-icon-font-sprites
 * ASCIIMathML (c) Peter Jipsen http://www.chapman.edu/~jipsen
 * ASCIIMathML (c) David Lippman http://www.pierce.ctc.edu/dlippman
 * CafeUndZopfli ported by Eugene Klyuchnikov https://github.com/eustas/CafeUndZopfli
 * Brotli (c) by the Brotli Authors https://github.com/google/brotli
 * Themes (c) by Brett Schwarz https://github.com/bschwarz/puml-themes
 * Twemoji (c) by Twitter at https://twemoji.twitter.com/
 *
 */
package net.sourceforge.plantuml.cucadiagram;

import net.sourceforge.plantuml.abel.Entity;
import net.sourceforge.plantuml.plasma.Plasma;
import net.sourceforge.plantuml.stereo.Stereotag;
import net.sourceforge.plantuml.stereo.Stereotype;

public class HideOrShow {

	private final String what;
	private final boolean show;

	@Override
	public String toString() {
		return what + " (" + show + ")";
	}

	private boolean isApplyable(Entity leaf) {
		if (leaf.isRoot())
			throw new IllegalArgumentException();

		if (what.startsWith("$"))
			return isApplyableTag(leaf, what.substring(1));

		if (what.startsWith("<<") && what.endsWith(">>"))
			return isApplyableStereotype(leaf.getStereotype(), what.substring(2, what.length() - 2).trim());

		if (isAboutUnlinked())
			return isApplyableUnlinked(leaf);

		final String fullName = leaf.getQuark().getQualifiedName();
		// System.err.println("isApplyable leaf=" + leaf + " fullName=" + fullName);
		return match(fullName, what);
	}

	private boolean isApplyable(Stereotype stereotype) {
		if (what.startsWith("<<") && what.endsWith(">>"))
			return isApplyableStereotype(stereotype, what.substring(2, what.length() - 2).trim());
		return false;
	}

	public boolean isAboutUnlinked() {
		return what.equalsIgnoreCase("@unlinked");
	}

	private boolean isApplyableUnlinked(Entity leaf) {
		if (leaf.isAloneAndUnlinked())
			return true;

		return false;
	}

	private boolean isApplyableStereotype(Stereotype stereotype, String pattern) {
		if (stereotype == null)
			return false;

		for (String label : stereotype.getMultipleLabels())
			if (match(label, pattern))
				return true;

		return false;
	}

	private boolean isApplyableTag(Entity leaf, String pattern) {
		for (Stereotag tag : leaf.stereotags())
			if (match(tag.getName(), pattern))
				return true;

		return false;
	}

	private boolean match(String name, String pattern) {

		final int idx = name.indexOf(Plasma.MAGIC_SEPARATOR);
		if (idx != -1) {
			name = name.substring(idx + 1);
		}

		if (pattern.contains("*")) {
			// System.err.println("f1=" + pattern);
			// System.err.println("f2=" + Pattern.quote(pattern));
			// System.err.println("f3=" + Matcher.quoteReplacement(pattern));
			final String reg = "^" + pattern.replace("*", ".*") + "$";
			return name.matches(reg);
		}

		return name.equals(pattern);
	}

	public HideOrShow(String what, boolean show) {
		this.what = what;
		this.show = show;
	}

	public boolean apply(boolean hidden, Entity leaf) {
		if (isApplyable(leaf))
			return !show;

		return hidden;
	}

	public boolean apply(boolean hidden, Stereotype stereotype) {
		if (isApplyable(stereotype))
			return !show;

		return hidden;
	}

}