/*
 * This file is part of PetaScope.
 *
 * PetaScope 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 3 of
 * the License, or (at your option) any later version.
 *
 * PetaScope 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 PetaScope. If not, see <http://www.gnu.org/licenses/>.
 *
 * For more information please see <http://www.PetaScope.org>
 * or contact Peter Baumann via <baumann@rasdaman.com>.
 *
 * Copyright 2009 Jacobs University Bremen, Peter Baumann.
 */




package grammar;

/**
 * AxisIteratorList
 *
 * @author Andrei Aiordachioaie
 */
public class AxisIteratorList implements IParseTreeNode
{
	private AxisIterator it;
	private AxisIteratorList next;
	private String tag;

	public AxisIteratorList(AxisIterator it)
	{
		this.it = it;
		next    = null;
		tag     = "";
	}

	public AxisIteratorList(AxisIterator it, AxisIteratorList n)
	{
		this.it = it;
		next    = n;
		tag     = "";
	}

	public void setTag(String tag)
	{
		this.tag = tag;
	}

	public String toXML()
	{
		String tag1 = "<" + tag + ">";
		String tag2 = "</" + tag + ">";

		if (tag.equals(""))
		{
			tag1 = tag2 = "";
		}

		String result = tag1 + it.toXML() + tag2;
        if (next != null)
            result += next.toXML();

		return result;
	}
}