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• 1.2023.12
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• CommandMultilines.java

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net.sourceforge.plantuml.command.CommandMultilines Maven / Gradle / Ivy

// THIS FILE HAS BEEN GENERATED BY A PREPROCESSOR.
/* +=======================================================================
 * |
 * |      PlantUML : a free UML diagram generator
 * |
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 * (C) Copyright 2009-2024, Arnaud Roques
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 * under the terms of the GNU General Public License V2.
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 * This is the IGY distribution (Install GraphViz by Yourself).
 * You have to install GraphViz and to setup the GRAPHVIZ_DOT environment variable
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 */
package net.sourceforge.plantuml.command;

import net.sourceforge.plantuml.core.Diagram;
import net.sourceforge.plantuml.regex.Matcher2;
import net.sourceforge.plantuml.regex.MyPattern;
import net.sourceforge.plantuml.regex.Pattern2;
import net.sourceforge.plantuml.utils.BlocLines;

public abstract class CommandMultilines implements Command {

	private final Pattern2 starting;

	public CommandMultilines(String patternStart) {
		if (patternStart.startsWith("^") == false || patternStart.endsWith("$") == false) {
			throw new IllegalArgumentException("Bad pattern " + patternStart);
		}
		this.starting = MyPattern.cmpile(patternStart);
	}

	public abstract String getPatternEnd();

	public String[] getDescription() {
		return new String[] { "START: " + starting.pattern(), "END: " + getPatternEnd() };
	}

	final public CommandControl isValid(BlocLines lines) {
		if (isCommandForbidden())
			return CommandControl.NOT_OK;

		Matcher2 m1 = starting.matcher(lines.getFirst().getTrimmed().getString());
		if (m1.matches() == false)
			return CommandControl.NOT_OK;

		if (lines.size() == 1)
			return CommandControl.OK_PARTIAL;

		m1 = MyPattern.cmpile(getPatternEnd()).matcher(lines.getLast().getTrimmed().getString());
		if (m1.matches() == false)
			return CommandControl.OK_PARTIAL;

		return finalVerification();
	}

	protected boolean isCommandForbidden() {
		return false;
	}

	protected CommandControl finalVerification() {
		return CommandControl.OK;
	}

	protected final Pattern2 getStartingPattern() {
		return starting;
	}

}