<?php
/**
 * 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; under version 2
 * of the License (non-upgradable).
 *
 * 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.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 *
 * Copyright (c) 2008-2010 (original work) Deutsche Institut für Internationale Pädagogische Forschung (under the project TAO-TRANSFER);
 *               2009-2012 (update and modification) Public Research Centre Henri Tudor (under the project TAO-SUSTAIN & TAO-DEV);
 *
 */

/**
 * Short description of class tao_helpers_translation_RDFExtractor
 *
 * @access public
 * @author Joel Bout, <joel.bout@tudor.lu>
 * @package tao

 */
class tao_helpers_translation_POExtractor extends tao_helpers_translation_RDFExtractor
{

    /**
     * @param $child
     * @param $xmlNS
     * @param $about
     * @param $tus
     * @return array
     */
    protected function processUnit($child, $xmlNS, $about, $tus)
    {
        if ($child->hasAttributeNS($xmlNS, 'lang')) {
            $sourceLanguage = 'en-US';
            $targetLanguage = $child->getAttributeNodeNS($xmlNS, 'lang')->value;
            $source = $child->nodeValue;
            $target = '';//$child->nodeValue;

            $tu = new tao_helpers_translation_POTranslationUnit();
            $tu->setSource($source);
            $tu->setTarget($target);
            $tu->setSourceLanguage($sourceLanguage);
            $tu->setTargetLanguage($targetLanguage);
            $tu->setAnnotations([$about]);
            $tu->setContext($child->namespaceURI . $child->localName);

            $tus[] = $tu;
            return $tus;
        }
        return $tus;
    }
}