CommandSpriteStdlibSvg.java

/* ========================================================================
 * PlantUML : a free UML diagram generator
 * ========================================================================
 *
 * (C) Copyright 2009-2024, Arnaud Roques
 *
 * Project Info:  https://plantuml.com
 * 
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 * PlantUML distributed in the hope that it will be useful, but
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 * License for more details.
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 * License along with this library; if not, write to the Free Software
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 * Original Author:  Arnaud Roques
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package net.sourceforge.plantuml.command;

import java.io.IOException;

import net.sourceforge.plantuml.TitledDiagram;
import net.sourceforge.plantuml.preproc.Stdlib;
import net.sourceforge.plantuml.preproc.StdlibSpriteSvg;
import net.sourceforge.plantuml.regex.IRegex;
import net.sourceforge.plantuml.regex.RegexConcat;
import net.sourceforge.plantuml.regex.RegexLeaf;
import net.sourceforge.plantuml.regex.RegexResult;
import net.sourceforge.plantuml.utils.LineLocation;

public class CommandSpriteStdlibSvg extends SingleLineCommand2<TitledDiagram> {

	public static final CommandSpriteStdlibSvg ME = new CommandSpriteStdlibSvg();

	private CommandSpriteStdlibSvg() {
		super(getRegexConcat());
	}

	private static IRegex getRegexConcat() {
		return RegexConcat.build(CommandSpriteStdlibSvg.class.getName(), RegexLeaf.start(), //
				new RegexLeaf("sprite"), //
				RegexLeaf.spaceOneOrMore(), //
				new RegexLeaf("\\$?"), //
				new RegexLeaf(1, "NAME", "([-%pLN_]+)"), //
				RegexLeaf.spaceZeroOrMore(), //
				new RegexLeaf(2, "STDLIB", ":([^:]+):([^%s]+)"), //
				RegexLeaf.end());
	}

	@Override
	protected CommandExecutionResult executeArg(TitledDiagram system, LineLocation location, RegexResult arg,
			ParserPass currentPass) {
		try {
			final Stdlib lib = Stdlib.retrieve(arg.get("STDLIB", 0));
			final String exportedName = arg.get("STDLIB", 1);
			final String name = arg.get("NAME", 0);
			system.addSprite(name, new StdlibSpriteSvg(lib, exportedName));
		} catch (IOException e) {
			return CommandExecutionResult.error("Cannot read sprite " + e.toString());
		}
		return CommandExecutionResult.ok();
	}

}