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/* -*-c++-*- */
/* osgEarth - Dynamic map generation toolkit for OpenSceneGraph
* Copyright 2008-2013 Pelican Mapping
* http://osgearth.org
*
* osgEarth 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 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 Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program.  If not, see <http://www.gnu.org/licenses/>
*/
#ifndef OSGEARTHUTIL_DATA_SCANNER_H
#define OSGEARTHUTIL_DATA_SCANNER_H

#include <osgEarthUtil/Common>
#include <osgEarth/ImageLayer>
#include <string>

namespace osgEarth { namespace Util
{
    /**
     * Scans local directories in search of image and elevation data.
     */
    class OSGEARTHUTIL_EXPORT DataScanner
    {
    public:
        DataScanner() { }
        virtual ~DataScanner() { }

    public:
        void findImageLayers(
            const std::string&              absRootPath,
            const std::vector<std::string>& extensions,
            osgEarth::ImageLayerVector&     out_imageLayers) const;
    };

} } // namespace osgEarth::Util

#endif // OSGEARTHUTIL_DATA_SCANNER_H