net.sourceforge.plantuml.classdiagram.command.CommandHideShow 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
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/* ========================================================================
 * PlantUML : a free UML diagram generator
 * ========================================================================
 *
 * (C) Copyright 2009-2013, Arnaud Roques
 *
 * Project Info:  http://plantuml.sourceforge.net
 * 
 * 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.
 *
 * [Java is a trademark or registered trademark of Sun Microsystems, Inc.
 * in the United States and other countries.]
 *
 * Original Author:  Arnaud Roques
 *
 * Revision $Revision: 5019 $
 *
 */
package net.sourceforge.plantuml.classdiagram.command;

import java.util.EnumSet;
import java.util.Set;

import net.sourceforge.plantuml.classdiagram.ClassDiagram;
import net.sourceforge.plantuml.command.CommandExecutionResult;
import net.sourceforge.plantuml.command.SingleLineCommand2;
import net.sourceforge.plantuml.command.regex.RegexConcat;
import net.sourceforge.plantuml.command.regex.RegexLeaf;
import net.sourceforge.plantuml.command.regex.RegexResult;
import net.sourceforge.plantuml.cucadiagram.Code;
import net.sourceforge.plantuml.cucadiagram.EntityGender;
import net.sourceforge.plantuml.cucadiagram.EntityGenderUtils;
import net.sourceforge.plantuml.cucadiagram.EntityPortion;
import net.sourceforge.plantuml.cucadiagram.EntityUtils;
import net.sourceforge.plantuml.cucadiagram.IEntity;
import net.sourceforge.plantuml.cucadiagram.LeafType;

public class CommandHideShow extends SingleLineCommand2 {

	private static final EnumSet PORTION_METHOD = EnumSet. of(EntityPortion.METHOD);
	private static final EnumSet PORTION_MEMBER = EnumSet. of(EntityPortion.FIELD,
			EntityPortion.METHOD);
	private static final EnumSet PORTION_FIELD = EnumSet. of(EntityPortion.FIELD);

	public CommandHideShow() {
		super(getRegexConcat());
	}

	static RegexConcat getRegexConcat() {
		return new RegexConcat(new RegexLeaf("^"), // 
				new RegexLeaf("COMMAND", "(hide|show)"), //
				new RegexLeaf("\\s+"), //
				new RegexLeaf("GENDER",
						"(?:(class|interface|enum|annotation|abstract|[\\p{L}0-9_.]+|\"[^\"]+\"|\\<\\<.*\\>\\>)\\s+)*?"), //
				new RegexLeaf("EMPTY", "(?:(empty)\\s+)?"), //
				new RegexLeaf("PORTION", "(members?|attributes?|fields?|methods?|circle\\w*|stereotypes?)"), //
				new RegexLeaf("$"));
	}

	private final EntityGender emptyByGender(Set portion) {
		if (portion == PORTION_METHOD) {
			return EntityGenderUtils.emptyMethods();
		}
		if (portion == PORTION_FIELD) {
			return EntityGenderUtils.emptyFields();
		}
		if (portion == PORTION_MEMBER) {
			return EntityGenderUtils.emptyMembers();
		}
		return EntityGenderUtils.all();
	}

	@Override
	protected CommandExecutionResult executeArg(ClassDiagram classDiagram, RegexResult arg) {

		final Set portion = getEntityPortion(arg.get("PORTION", 0));
		EntityGender gender = null;

		final String arg1 = arg.get("GENDER", 0);

		if (arg1 == null) {
			gender = EntityGenderUtils.all();
		} else if (arg1.equalsIgnoreCase("class")) {
			gender = EntityGenderUtils.byEntityType(LeafType.CLASS);
		} else if (arg1.equalsIgnoreCase("interface")) {
			gender = EntityGenderUtils.byEntityType(LeafType.INTERFACE);
		} else if (arg1.equalsIgnoreCase("enum")) {
			gender = EntityGenderUtils.byEntityType(LeafType.ENUM);
		} else if (arg1.equalsIgnoreCase("abstract")) {
			gender = EntityGenderUtils.byEntityType(LeafType.ABSTRACT_CLASS);
		} else if (arg1.equalsIgnoreCase("annotation")) {
			gender = EntityGenderUtils.byEntityType(LeafType.ANNOTATION);
		} else if (arg1.startsWith("<<")) {
			gender = EntityGenderUtils.byStereotype(arg1);
		} else {
			final IEntity entity = classDiagram.getOrCreateLeaf1(Code.of(arg1), null);
			gender = EntityGenderUtils.byEntityAlone(entity);
		}
		if (gender != null) {
			final boolean empty = arg.get("EMPTY", 0) != null;
			if (empty == true) {
				gender = EntityGenderUtils.and(gender, emptyByGender(portion));
			}
			if (EntityUtils.groupRoot(classDiagram.getCurrentGroup())==false) {
				gender = EntityGenderUtils.and(gender, EntityGenderUtils.byPackage(classDiagram.getCurrentGroup()));
			}
			classDiagram.hideOrShow(gender, portion, arg.get("COMMAND", 0).equalsIgnoreCase("show"));
		}
		return CommandExecutionResult.ok();
	}

	private Set getEntityPortion(String s) {
		final String sub = s.substring(0, 3).toLowerCase();
		if (sub.equals("met")) {
			return PORTION_METHOD;
		}
		if (sub.equals("mem")) {
			return PORTION_MEMBER;
		}
		if (sub.equals("att") || sub.equals("fie")) {
			return PORTION_FIELD;
		}
		if (sub.equals("cir")) {
			return EnumSet. of(EntityPortion.CIRCLED_CHARACTER);
		}
		if (sub.equals("ste")) {
			return EnumSet. of(EntityPortion.STEREOTYPE);
		}
		throw new IllegalArgumentException();
	}

}