Java Swing HTML addToContentModels(DTD dtd, Element existing, Element alt)

Description

Add element to a DTD.

License

Open Source License

Parameter

Parameter	Description
dtd	DTD to add to
existing	existing element
alt	alternate element

Declaration

public static void addToContentModels(DTD dtd, Element existing, Element alt) 

Method Source Code

//package com.java2s;
/*/* w  w w  .j a  va 2  s. com*/
 * $Source$
 * $Revision$
 *
 * Copyright (C) 2001 Myles Chippendale
 *
 * Part of Melati (http://melati.org), a framework for the rapid
 * development of clean, maintainable web applications.
 *
 * Melati is free software; Permission is granted to copy, distribute
 * and/or modify this software under the terms either:
 *
 * a) the GNU General Public License as published by the Free Software
 *    Foundation; either version 2 of the License, or (at your option)
 *    any later version,
 *
 *    or
 *
 * b) any version of the Melati Software License, as published
 *    at http://melati.org
 *
 * You should have received a copy of the GNU General Public License and
 * the Melati Software License along with this program;
 * if not, write to the Free Software Foundation, Inc.,
 * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA to obtain the
 * GNU General Public License and visit http://melati.org to obtain the
 * Melati Software License.
 *
 * Feel free to contact the Developers of Melati (http://melati.org),
 * if you would like to work out a different arrangement than the options
 * outlined here.  It is our intention to allow Melati to be used by as
 * wide an audience as possible.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * Contact details for copyright holder:
 *
 *     Myles Chippendale <mylesc At paneris.org>
 */

import java.util.Enumeration;

import javax.swing.text.html.parser.ContentModel;
import javax.swing.text.html.parser.DTD;

import javax.swing.text.html.parser.Element;

public class Main {
    /**
     * Add element to a DTD.
     * @param dtd DTD to add to 
     * @param existing existing element
     * @param alt alternate element
     */
    public static void addToContentModels(DTD dtd, Element existing, Element alt) {
        for (Enumeration<Element> els = dtd.elementHash.elements(); els.hasMoreElements();) {
            ContentModel c = ((Element) els.nextElement()).content;
            if (c != null)
                add(c, existing, alt);
        }
    }

    /**
     * Add an Element to the ContentModel.
     * @param cm the ContentModel to add to
     * @param existing existing element
     * @param alt alternate element
     */
    public static void add(ContentModel cm, Element existing, Element alt) {
        if (cm.content == existing) {
            ContentModel twig = new ContentModel(0, existing, new ContentModel(0, alt, null));
            if (cm.type == 0) {
                cm.type = '|';
                cm.content = twig;
            } else
                cm.content = new ContentModel('|', twig);
        } else if (cm.content instanceof ContentModel)
            add((ContentModel) cm.content, existing, alt);

        if (cm.next != null)
            add(cm.next, existing, alt);
    }
}

Related

1. containsAttribute(Element element, Object name, Object value)
2. findElementDown(final String name, final Element parent)
3. findElementUp(final String name1, final String name2, final Element start)
4. findLinkElementUp(Element elem)