/* MiParser.java
 * =========================================================================
 * This file is part of the JMathTeX Library - http://jmathtex.sourceforge.net
 *
 * Copyright (C) 2004-2007 Universiteit Gent
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of 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.
 *
 * 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.
 *
 * A copy of the GNU General Public License can be found in the file
 * LICENSE.txt provided with the source distribution of this program (see
 * the META-INF directory in the source jar). This license can also be
 * found on the GNU website at http://www.gnu.org/licenses/gpl.html.
 *
 * If you did not receive a copy of the GNU General Public License along
 * with this program, contact the lead developer, or write to the Free
 * Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
 * 02110-1301, USA.
 *
 */

package be.ugent.caagt.jmathtex.mathml;

import org.jdom.Element;

import be.ugent.caagt.jmathtex.TeXFormula;
import be.ugent.caagt.jmathtex.ParseException;

class MiParser extends TokenElementParser {
    
    public TeXFormula buildFormula(Element el, Environment env) throws MathMLException {
        try {
            String texString = convertMathMLToTeX(el);
            if (texString.length() == 0)
                return super.processAtrributes(new TeXFormula(), el, env);
            else if (texString.length() == 1) // italic
                return super.processAtrributes(new TeXFormula(texString), el, env);
            else if (texString.indexOf('\\') == -1)
                // string -> upright (not italic)
                return super.processAtrributes(new TeXFormula("\\mathrm{" + texString
                        + "}"), el, env);
            else
                return super.processAtrributes(new TeXFormula(texString), el, env);
        } catch (ParseException e1) {
            throw new MathMLException("couldn't parse mi element data : '"
                    + el.getTextNormalize() + "'", e1);
        }
    }
}