selecttag.java

html 解析处理代码

// HTMLParser Library $Name: v1_6 $ - A java-based parser for HTML
// http://sourceforge.org/projects/htmlparser
// Copyright (C) 2004 Somik Raha
//
// Revision Control Information
//
// $Source: /cvsroot/htmlparser/htmlparser/src/org/htmlparser/tags/SelectTag.java,v $
// $Author: derrickoswald $
// $Date: 2005/04/10 23:20:45 $
// $Revision: 1.39 $
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
// License as published by the Free Software Foundation; either
// version 2.1 of the License, or (at your option) any later version.
//
// This library 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
// Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
//

package org.htmlparser.tags;

import org.htmlparser.util.NodeList;

/**
 * A select tag within a form.
 */
public class SelectTag extends CompositeTag
{
    /**
     * The set of names handled by this tag.
     */
    private static final String[] mIds = new String[] {"SELECT"};

    /**
     * The set of tag names that indicate the end of this tag.
     */
    private static final String[] mEnders = new String[] {"INPUT", "TEXTAREA", "SELECT"};

    /**
     * The set of end tag names that indicate the end of this tag.
     */
    private static final String[] mEndTagEnders = new String[] {"FORM", "BODY", "HTML"};

    /**
     * Create a new select tag.
     */
    public SelectTag ()
    {
    }

    /**
     * Return the set of names handled by this tag.
     * @return The names to be matched that create tags of this type.
     */
    public String[] getIds ()
    {
        return (mIds);
    }

    /**
     * Return the set of tag names that cause this tag to finish.
     * @return The names of following tags that stop further scanning.
     */
    public String[] getEnders ()
    {
        return (mEnders);
    }

    /**
     * Return the set of end tag names that cause this tag to finish.
     * @return The names of following end tags that stop further scanning.
     */
    public String[] getEndTagEnders ()
    {
        return (mEndTagEnders);
    }

    /**
     * Get the list of options in this <code>SELECT</code> tag.
     * @return The {@.html <OPTION>} tags contained by this tag.
     */
    public OptionTag [] getOptionTags ()
    {
        NodeList list;
        OptionTag[] ret;
        
        list = searchFor (OptionTag.class, true);
        ret = new OptionTag[list.size()];
        list.copyToNodeArray (ret);

        return (ret);
    }
}