NameAndCodeParser.java

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

import net.sourceforge.plantuml.classdiagram.command.GenericRegexProducer;
import net.sourceforge.plantuml.regex.IRegex;
import net.sourceforge.plantuml.regex.RegexConcat;
import net.sourceforge.plantuml.regex.RegexLeaf;
import net.sourceforge.plantuml.regex.RegexOr;

public class NameAndCodeParser {

	private static final String DISPLAY = "[%g]([^%g]*)[%g]";

	private static final String DISPLAY_WITH_GENERIC = "[%g](.+?)(?:\\<(" + GenericRegexProducer.PATTERN + ")\\>)?[%g]";
	private static final String CODE = "[^%s{}%g<>]+";
	private static final String CODE_NO_DOTDOT = "[^%s{}%g<>:]+";

	public static IRegex nameAndCodeForClassWithGeneric() {
		return new RegexOr(//
				new RegexConcat(//
						new RegexLeaf(2, "DISPLAY1", DISPLAY_WITH_GENERIC), //
						RegexLeaf.spaceOneOrMore(), //
						new RegexLeaf("as"), //
						RegexLeaf.spaceOneOrMore(), //
						new RegexLeaf(1, "CODE1", "(" + CODE + ")")), //
				new RegexConcat(//
						new RegexLeaf(1, "CODE2", "(" + CODE + ")"), //
						RegexLeaf.spaceOneOrMore(), //
						new RegexLeaf("as"), //
						RegexLeaf.spaceOneOrMore(), //
						new RegexLeaf(2, "DISPLAY2", DISPLAY_WITH_GENERIC)), //
				new RegexLeaf(1, "CODE3", "(" + CODE + ")"), //
				new RegexLeaf(1, "CODE4", "[%g]([^%g]+)[%g]")); //

	}

	public static IRegex nameAndCode() {
		return new RegexOr(//
				new RegexConcat(//
						new RegexLeaf(1, "DISPLAY1", DISPLAY), //
						RegexLeaf.spaceOneOrMore(), //
						new RegexLeaf("as"), //
						RegexLeaf.spaceOneOrMore(), //
						new RegexLeaf(1, "CODE1", "(" + CODE + ")")), //
				new RegexConcat(//
						new RegexLeaf(1, "CODE2", "(" + CODE + ")"), //
						RegexLeaf.spaceOneOrMore(), //
						new RegexLeaf("as"), //
						RegexLeaf.spaceOneOrMore(), //
						new RegexLeaf(1, "DISPLAY2", DISPLAY)), //
				new RegexLeaf(1, "CODE3", "(" + CODE + ")"), //
				new RegexLeaf(1, "CODE4", "[%g]([^%g]+)[%g]")); //

	}

	public static IRegex codeForClass() {
		return new RegexLeaf(1, "CODE", "(" + NameAndCodeParser.CODE + "|[%g][^%g]+[%g])");
	}

	public static IRegex codeWithMemberForClass() {
		return new RegexLeaf(2,
				"CODE", "(" + NameAndCodeParser.CODE_NO_DOTDOT + "|[%g][^%g]+[%g])::([%g][^%g]+[%g]|[^%s]+)");
	}

}