/* ======================================================================== * 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 net.sourceforge.plantuml.SkinParam;import net.sourceforge.plantuml.TitledDiagram;import net.sourceforge.plantuml.command.BlocLines;import net.sourceforge.plantuml.command.CommandExecutionResult;import net.sourceforge.plantuml.command.CommandMultilines2;import net.sourceforge.plantuml.command.MultilinesStrategy;import net.sourceforge.plantuml.command.regex.IRegex;import net.sourceforge.plantuml.command.regex.RegexConcat;import net.sourceforge.plantuml.command.regex.RegexLeaf;public class CommandStyleMultilinesCSS extends CommandMultilines2<TitledDiagram> {	public CommandStyleMultilinesCSS() {		super(getRegexConcat(), MultilinesStrategy.REMOVE_STARTING_QUOTE);	}	@Override	public String getPatternEnd() {		return "^[%s]*\\</style\\>[%s]*$";	}	private static IRegex getRegexConcat() {		return RegexConcat.build(CommandStyleMultilinesCSS.class.getName(), RegexLeaf.start(), //				new RegexLeaf("\\<style\\>"), //				RegexLeaf.end() //		);	}	protected CommandExecutionResult executeNow(TitledDiagram diagram, BlocLines lines) {		try {			final StyleBuilder styleBuilder = diagram.getSkinParam().getCurrentStyleBuilder();			for (Style modifiedStyle : StyleLoader.getDeclaredStyles(lines.subExtract(1, 1), styleBuilder))				diagram.getSkinParam().muteStyle(modifiedStyle);			((SkinParam) diagram.getSkinParam()).applyPendingStyleMigration();			return CommandExecutionResult.ok();		} catch (NoStyleAvailableException e) {			// e.printStackTrace();			return CommandExecutionResult.error("General failure: no style available.");		}	}}