plantuml/src/net/sourceforge/plantuml/project/lang/SubjectDayAsDate.java

/* ========================================================================
 * PlantUML : a free UML diagram generator
 * ========================================================================
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 * (C) Copyright 2009-2024, Arnaud Roques
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 * Project Info:  https://plantuml.com
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 * Original Author:  Arnaud Roques
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package net.sourceforge.plantuml.project.lang;

import java.util.Arrays;
import java.util.Collection;

import net.sourceforge.plantuml.command.CommandExecutionResult;
import net.sourceforge.plantuml.klimt.color.HColor;
import net.sourceforge.plantuml.project.Failable;
import net.sourceforge.plantuml.project.GanttDiagram;
import net.sourceforge.plantuml.project.time.Day;
import net.sourceforge.plantuml.regex.IRegex;
import net.sourceforge.plantuml.regex.RegexConcat;
import net.sourceforge.plantuml.regex.RegexLeaf;
import net.sourceforge.plantuml.regex.RegexOr;
import net.sourceforge.plantuml.regex.RegexResult;

public class SubjectDayAsDate implements Subject {

	public static final Subject ME = new SubjectDayAsDate();

	private SubjectDayAsDate() {
	}

	public Failable<Day> getMe(GanttDiagram project, RegexResult arg) {
		if (arg.get("BDAY", 0) != null)
			return Failable.ok(resultB(arg));

		if (arg.get("ECOUNT", 0) != null)
			return Failable.ok(resultE(project, arg));

		throw new IllegalStateException();

	}

	private Day resultB(RegexResult arg) {
		final int day = Integer.parseInt(arg.get("BDAY", 0));
		final int month = Integer.parseInt(arg.get("BMONTH", 0));
		final int year = Integer.parseInt(arg.get("BYEAR", 0));
		return Day.create(year, month, day);
	}

	private Day resultE(GanttDiagram system, RegexResult arg) {
		final String type = arg.get("ETYPE", 0).toUpperCase();
		final String operation = arg.get("EOPERATION", 0);
		int day = Integer.parseInt(arg.get("ECOUNT", 0));
		if ("-".equals(operation))
			day = -day;
		if ("D".equals(type))
			return system.getStartingDate().addDays(day);
		if ("T".equals(type))
			return system.getToday().addDays(day);
		if ("E".equals(type))
			return system.getEndingDate().addDays(day);
		throw new IllegalStateException();
	}

	public Collection<? extends SentenceSimple> getSentences() {
		return Arrays.asList(new Close(), new Open(), new InColor());
	}

	class Close extends SentenceSimple {

		public Close() {
			super(SubjectDayAsDate.this, Verbs.isOrAre, new ComplementClose());
		}

		@Override
		public CommandExecutionResult execute(GanttDiagram project, Object subject, Object complement) {
			project.closeDayAsDate((Day) subject, (String) complement);
			return CommandExecutionResult.ok();
		}
	}

	class Open extends SentenceSimple {
		public Open() {
			super(SubjectDayAsDate.this, Verbs.isOrAre, new ComplementOpen());
		}

		@Override
		public CommandExecutionResult execute(GanttDiagram project, Object subject, Object complement) {
			project.openDayAsDate((Day) subject, (String) complement);
			return CommandExecutionResult.ok();
		}
	}

	class InColor extends SentenceSimple {

		public InColor() {
			super(SubjectDayAsDate.this, Verbs.isOrAre, new ComplementInColors2());
		}

		@Override
		public CommandExecutionResult execute(GanttDiagram project, Object subject, Object complement) {
			final HColor color = ((CenterBorderColor) complement).getCenter();
			project.colorDay((Day) subject, color);
			return CommandExecutionResult.ok();
		}

	}

	public IRegex toRegex() {
		return new RegexOr(toRegexB(), toRegexE());
	}

	private IRegex toRegexB() {
		return TimeResolution.toRegexB_YYYY_MM_DD("BYEAR", "BMONTH", "BDAY");
	}

	private IRegex toRegexE() {
		return new RegexConcat( //
				new RegexLeaf("ETYPE", "([dDtTeE])"), //
				new RegexLeaf("EOPERATION", "([-+])"), //
				new RegexLeaf("ECOUNT", "([\\d]+)") //
		);
	}

}