SingleFile.hpp

/* ***** BEGIN LICENSE BLOCK *****
 * FW4SPL - Copyright (C) IRCAD, 2009-2017.
 * Distributed under the terms of the GNU Lesser General Public License (LGPL) as
 * published by the Free Software Foundation.
 * ****** END LICENSE BLOCK ****** */

#ifndef __FWDATA_LOCATION_SINGLEFILE_HPP__
#define __FWDATA_LOCATION_SINGLEFILE_HPP__

#include "fwData/config.hpp"
#include "fwData/factory/new.hpp"
#include "fwData/location/ILocation.hpp"

#include <boost/filesystem.hpp>

fwCampAutoDeclareDataMacro((fwData)(location)(SingleFile), FWDATA_API);

namespace fwData
{
namespace location
{
class FWDATA_CLASS_API SingleFile  : public ILocation
{
public:
    fwCoreClassDefinitionsWithNFactoriesMacro(
        (SingleFile)(ILocation),
        ((::fwData::factory::New< SingleFile >, () ))
            ((SingleFileFactory, ((::boost::filesystem::path)) ))
        );

    FWDATA_API SingleFile( ::fwData::Object::Key key );

    FWDATA_API virtual ~SingleFile();

    fwCampMakeFriendDataMacro((fwData)(location)(SingleFile));

    FWDATA_API void shallowCopy( const Object::csptr& _source ) override;

    FWDATA_API void cachedDeepCopy(const Object::csptr& _source, DeepCopyCacheType& cache) override;

    FWDATA_API void setPath( PathType path);

    FWDATA_API PathType getPath() const;

protected:

    FWDATA_API static sptr SingleFileFactory(PathType path);

    PathType m_path;

};

template<typename RW> // reader or writer class should only need to implement get/setLocation
struct enableSingleFile
{
    enableSingleFile(RW* rw) :
        m_rw(rw)
    {
        SLM_ASSERT("m_rw not instanced", m_rw);
    }

    void setFile(ILocation::PathType path)
    {
        getLocation<SingleFile>(m_rw)->setPath(path);
    }

    ILocation::PathType getFile()
    {
        return (getLocation<SingleFile>(m_rw))->getPath();
    }

    private:
        enableSingleFile();
        RW* m_rw;

};

}
}

#endif /* __FWDATA_LOCATION_SINGLEFILE_HPP__ */