UBrexCommandRankDir.java

/* ========================================================================
 * PlantUML : a free UML diagram generator
 * ========================================================================
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 * (C) Copyright 2009-2024, Arnaud Roques
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package net.sourceforge.plantuml.command;

import com.plantuml.ubrex.UnicodeBracketedExpression;
import com.plantuml.ubrex.builder.UBrexConcat;
import com.plantuml.ubrex.builder.UBrexLeaf;
import com.plantuml.ubrex.builder.UBrexNamed;

import net.sourceforge.plantuml.StringUtils;
import net.sourceforge.plantuml.TitledDiagram;
import net.sourceforge.plantuml.klimt.geom.Rankdir;
import net.sourceforge.plantuml.regex.RegexResult;
import net.sourceforge.plantuml.skin.SkinParam;
import net.sourceforge.plantuml.utils.LineLocation;

public class UBrexCommandRankDir extends UBrexSingleLineCommand2<TitledDiagram> {

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

	static UnicodeBracketedExpression getRegexConcat() {
		return UBrexConcat.build(
				new UBrexNamed("DIRECTION", new UBrexLeaf("【 left∙to∙right ┇ top∙to∙bottom 】")), //
				UBrexLeaf.spaceOneOrMore(), //
				new UBrexLeaf("direction"), //
				UBrexLeaf.end()); //
	}

	@Override
	protected CommandExecutionResult executeArg(TitledDiagram diagram, LineLocation location, RegexResult arg, ParserPass currentPass) {
		final String s = StringUtils.goUpperCase(arg.get("DIRECTION", 0)).replace(' ', '_');
		((SkinParam) diagram.getSkinParam()).setRankdir(Rankdir.valueOf(s));
		// diagram.setRankdir(Rankdir.valueOf(s));
		return CommandExecutionResult.ok();
	}

}