/* -*-c++-*- */
/* osgEarth - Dynamic map generation toolkit for OpenSceneGraph
 * Copyright 2015 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 OSGEARTH_DRIVER_CACHE_FILESYSTEM
#define OSGEARTH_DRIVER_CACHE_FILESYSTEM 1

#include <osgEarth/Common>
#include <osgEarth/Cache>

namespace osgEarth { namespace Drivers
{
    using namespace osgEarth;
    
    /**
     * Serializable options for the FileSystemCache.
     */
    class FileSystemCacheOptions : public CacheOptions
    {
    public:
        FileSystemCacheOptions( const ConfigOptions& options =ConfigOptions() )
            : CacheOptions( options )
        {
            setDriver( "filesystem" );
            fromConfig( _conf ); 
        }

        /** dtor */
        virtual ~FileSystemCacheOptions() { }

    public:
        /** Root path of the cache folder */
        optional<std::string>& rootPath() { return _path; }
        const optional<std::string>& rootPath() const { return _path; }

    public:
        virtual Config getConfig() const {
            Config conf = ConfigOptions::getConfig();
            conf.addIfSet( "path", _path );
            return conf;
        }
        virtual void mergeConfig( const Config& conf ) {
            ConfigOptions::mergeConfig( conf );
            fromConfig( conf );
        }

    private:
        void fromConfig( const Config& conf ) {
            conf.getIfSet( "path", _path );
        }

        optional<std::string> _path;
    };

} } // namespace osgEarth::Drivers

#endif // OSGEARTH_DRIVER_CACHE_FILESYSTEM

