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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
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/* ========================================================================
 * PlantUML : a free UML diagram generator
 * ========================================================================
 *
 * (C) Copyright 2009-2023, Arnaud Roques
 *
 * Project Info:  http://plantuml.com
 * 
 * If you like this project or if you find it useful, you can support us at:
 * 
 * http://plantuml.com/patreon (only 1$ per month!)
 * http://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.style;

import java.util.ArrayList;
import java.util.Collection;
import java.util.Collections;
import java.util.LinkedHashSet;
import java.util.List;
import java.util.Set;

import net.sourceforge.plantuml.Url;
import net.sourceforge.plantuml.cucadiagram.Stereostyles;
import net.sourceforge.plantuml.cucadiagram.Stereotype;

public class StyleSignatureBasic implements StyleSignature {

	private final Set names = new LinkedHashSet<>();
	private final boolean withDot;

	public StyleSignatureBasic(String s) {
		if (s.contains("*") || s.contains("&") || s.contains("-"))
			throw new IllegalArgumentException();

		this.withDot = s.contains(".");
		this.names.add(clean(s));
	}

	public static StyleSignatureBasic empty() {
		return new StyleSignatureBasic(false);
	}

	private StyleSignatureBasic(boolean withDot) {
		this.withDot = withDot;
	}

	private StyleSignatureBasic(boolean withDot, Collection copy) {
		this.names.addAll(copy);
		this.withDot = withDot;
	}

	public StyleSignatureBasic addClickable(Url url) {
		if (url == null)
			return this;

		final Set result = new LinkedHashSet<>(names);
		result.add(SName.clickable.name());
		return new StyleSignatureBasic(withDot, result);

	}

	public StyleSignatureBasic add(String s) {
		if (s == null)
			return this;

		if (s.contains("&"))
			throw new IllegalArgumentException();

		final Set result = new LinkedHashSet<>(names);
		result.add(clean(s));
		return new StyleSignatureBasic(withDot || s.contains("."), result);
	}

	public StyleSignatureBasic add(SName name) {
		return add(name.name().toLowerCase().replace("_", ""));
	}

	public StyleSignatureBasic addStar() {
		final Set result = new LinkedHashSet<>(names);
		result.add("*");
		return new StyleSignatureBasic(withDot, result);
	}

	public boolean isStarred() {
		return names.contains("*");
	}

	@Override
	public boolean equals(Object arg) {
		final StyleSignatureBasic other = (StyleSignatureBasic) arg;
		return this.names.equals(other.names);
	}

	@Override
	public int hashCode() {
		return names.hashCode();
	}

	@Override
	public String toString() {
		final StringBuilder result = new StringBuilder();
		for (String n : names) {
			if (result.length() > 0)
				result.append('.');

			result.append(n);
		}
		return result.toString() + " " + withDot;
	}

	public boolean matchAll(StyleSignatureBasic other) {
		if (other.isStarred() && names.contains("*") == false)
			return false;

		for (String token : names) {
			if (token.equals("*"))
				continue;

			if (other.names.contains(token) == false)
				return false;

		}
		return true;
	}

	public final Set getNames() {
		return Collections.unmodifiableSet(names);
	}

	public static StyleSignatureBasic of(SName... names) {
		final List result = new ArrayList<>();
		for (SName name : names)
			result.add(name.name().toLowerCase().replace("_", ""));

		return new StyleSignatureBasic(false, result);
	}

	public StyleSignature forStereotypeItself(Stereotype stereotype) {
		if (stereotype == null || stereotype.getStyleNames().size()==0)
			return this;

		final StyleSignatures result = new StyleSignatures();
		for (String name : stereotype.getStyleNames()) {
			final List tmp = new ArrayList<>(names);
			tmp.add(SName.stereotype.name().toLowerCase().replace("_", ""));
			tmp.add(clean(name));
			result.add(new StyleSignatureBasic(false, tmp));
		}
		return result;

	}

	@Override
	public StyleSignature withTOBECHANGED(Stereotype stereotype) {
		if (stereotype == null || stereotype.getStyleNames().size()==0)
			return this;

		final StyleSignatures result = new StyleSignatures();
		for (String name : stereotype.getStyleNames()) {
			final List tmp = new ArrayList<>(names);
			tmp.add(clean(name));
			result.add(new StyleSignatureBasic(true, tmp));
		}
		return result;
	}

	@Override
	public StyleSignature with(Stereostyles stereostyles) {
		if (stereostyles.isEmpty())
			return this;
		final List result = new ArrayList<>(names);
		for (String name : stereostyles.getStyleNames())
			result.add(clean(name));

		return new StyleSignatureBasic(true, result);
	}

	private String clean(String name) {
		return name.toLowerCase().replace("_", "").replace(".", "");
	}

	public StyleSignatureBasic mergeWith(List