#ifndef OSGDB_READERWRITER
#define OSGDB_READERWRITER 1

#include <osg/Referenced>
#include <osg/Image>
#include <osg/Node>

#include <string>

namespace osgDB {


/** pure virtual base class for reading and writing of non native formats. */
class OSGDB_EXPORT ReaderWriter : public osg::Referenced
{
    public:
        virtual ~ReaderWriter() {}
        virtual const char* className() = 0;
        virtual bool acceptsExtension(const std::string& /*extension*/) { return false; }

        virtual osg::Object* readObject(const std::string& /*fileName*/) { return NULL; }
        virtual osg::Image* readImage(const std::string& /*fileName*/) { return NULL; }
        virtual osg::Node* readNode(const std::string& /*fileName*/) { return NULL; }

        virtual bool writeObject(const osg::Object& /*obj*/,const std::string& /*fileName*/) {return false; }
        virtual bool writeImage(const osg::Image& /*image*/,const std::string& /*fileName*/) {return false; }
        virtual bool writeNode(const osg::Node& /*node*/,const std::string& /*fileName*/) { return false; }
};


};

#endif // OSG_READERWRITER