net.sourceforge.plantuml.html.LinkHtmlPrinter Maven / Gradle / Ivy

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PlantUML is a component that allows to quickly write diagrams from text.
There is a newer version: 1.2024.8
// THIS FILE HAS BEEN GENERATED BY A PREPROCESSOR.
package net.sourceforge.plantuml.html;

import java.io.PrintWriter;

import net.sourceforge.plantuml.StringUtils;
import net.sourceforge.plantuml.abel.Entity;
import net.sourceforge.plantuml.abel.LeafType;
import net.sourceforge.plantuml.abel.Link;
import net.sourceforge.plantuml.decoration.LinkDecor;

public final class LinkHtmlPrinter {
    // ::remove folder when __HAXE__

	private final Link link;
	// private final Entity entity;
	private final boolean chiral;

	public LinkHtmlPrinter(Link link, Entity entity) {
		this.link = link;
		if (link.getEntity1() == entity) {
			this.chiral = false;
		} else if (link.getEntity2() == entity) {
			this.chiral = true;
		} else {
			throw new IllegalArgumentException();
		}
	}

	void printLink(PrintWriter pw) {
		final String ent1h;
		final String ent2h;
		if (chiral) {
			ent1h = htmlLink(link.getEntity1());
			ent2h = "" + StringUtils.unicodeForHtml(link.getEntity2().getName()) + "";
		} else {
			ent1h = "" + StringUtils.unicodeForHtml(link.getEntity1().getName()) + "";
			ent2h = htmlLink(link.getEntity2());
		}
		String label = link.getLabel() == null ? null : StringUtils.unicodeForHtml(link.getLabel());
		String ent1 = ent1h;
		String ent2 = ent2h;
		if (link.getQuantifier1() != null) {
			ent1 = ent1 + " (" + link.getQuantifier1() + ")";
			if (label != null) {
				label = "(" + link.getQuantifier1() + " " + ent1h + ") " + label;
			}
		}
		if (link.getQuantifier2() != null) {
			ent2 = ent2 + " (" + link.getQuantifier2() + ")";
			if (label != null) {
				label = label + " (" + link.getQuantifier2() + " " + ent2h + ")";
			}
		}
		if (chiral) {
			pw.println(getHtmlChiral(ent1, ent2));
		} else {
			pw.println(getHtml(ent1, ent2));
		}
		if (label != null) {
			pw.println(" : ");
			pw.println(label);
		}
	}

	private String getHtml(String ent1, String ent2) {
		final LinkDecor decor1 = link.getType().getDecor1();
		final LinkDecor decor2 = link.getType().getDecor2();

		if (decor1 == LinkDecor.NONE && decor2 == LinkDecor.NONE) {
			return ent1 + " is linked to " + ent2;
		}
		if (decor1 == LinkDecor.NONE && decor2 == LinkDecor.EXTENDS) {
			return ent1 + " is extended by " + ent2;
		}
		if (decor1 == LinkDecor.EXTENDS && decor2 == LinkDecor.NONE) {
			return ent1 + " extends " + ent2;
		}
		if (decor2 == LinkDecor.AGREGATION) {
			return ent1 + " is aggregated by  " + ent2;
		}
		if (decor1 == LinkDecor.AGREGATION) {
			return ent1 + " aggregates " + ent2;
		}
		if (decor2 == LinkDecor.COMPOSITION) {
			return ent1 + " is composed by " + ent2;
		}
		if (decor1 == LinkDecor.COMPOSITION) {
			return ent1 + " composes " + ent2;
		}
		if (decor1 == LinkDecor.NONE && decor2 == LinkDecor.ARROW) {
			return ent1 + " is navigable from  " + ent2;
		}
		if (decor1 == LinkDecor.ARROW && decor2 == LinkDecor.NONE) {
			return ent1 + " navigates to  " + ent2;
		}
		return ent1 + " " + decor1 + "-" + decor2 + " " + ent2;

	}

	private String getHtmlChiral(String ent1, String ent2) {
		final LinkDecor decor1 = link.getType().getDecor1();
		final LinkDecor decor2 = link.getType().getDecor2();

		if (decor1 == LinkDecor.NONE && decor2 == LinkDecor.NONE) {
			return ent2 + " is linked to " + ent1;
		}
		if (decor1 == LinkDecor.NONE && decor2 == LinkDecor.EXTENDS) {
			return ent2 + " extends " + ent1;
		}
		if (decor1 == LinkDecor.EXTENDS && decor2 == LinkDecor.NONE) {
			return ent2 + " is extended by " + ent1;
		}
		if (decor2 == LinkDecor.AGREGATION) {
			return ent2 + " aggregates " + ent1;
		}
		if (decor1 == LinkDecor.AGREGATION) {
			return ent2 + " is aggregated by " + ent1;
		}
		if (decor2 == LinkDecor.COMPOSITION) {
			return ent2 + " composes " + ent1;
		}
		if (decor1 == LinkDecor.COMPOSITION) {
			return ent2 + " is composed by " + ent1;
		}
		if (decor1 == LinkDecor.NONE && decor2 == LinkDecor.ARROW) {
			return ent2 + " navigates to  " + ent1;
		}
		if (decor1 == LinkDecor.ARROW && decor2 == LinkDecor.NONE) {
			return ent2 + " is navigable from  " + ent1;
		}
		return ent1 + " " + decor1 + "-" + decor2 + " " + ent2;
	}

	static String htmlLink(Entity ent) {
		final StringBuilder sb = new StringBuilder();
		sb.append("");
		sb.append(StringUtils.unicodeForHtml(ent.getName()));
		sb.append("");
		return sb.toString();
	}

	static String urlOf(Entity ent) {
		if (ent.getLeafType() == LeafType.NOTE) {
			throw new IllegalArgumentException();
		}
		if (ent.getName().matches("[-\\w_ .]+")) {
			return StringUtils.unicodeForHtml(ent.getName()) + ".html";
		}
		return StringUtils.unicodeForHtml(ent.getUid()) + ".html";
	}

}