/* ========================================================================
 * 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/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.command;

import java.util.regex.Pattern;

import net.sourceforge.plantuml.text.StringLocated;

public enum Trim {
	BOTH, LEFT_ONLY, NONE;

	private String ltrim(final String tmp1) {
		return LTRIM.matcher(tmp1).replaceAll("");
	}

	public String trim(StringLocated s) {
		if (this == NONE)
			return s.getString();
		if (this == BOTH)
			return s.getTrimmed().getString();
		return ltrim(s.getString());
	}

	private static Pattern LTRIM = Pattern.compile("^\\s+");
	private static Pattern RTRIM = Pattern.compile("\\s+$");

}
