/**
 *  \file writers.h
 *  \brief Base class for writing geometry to a file
 *
 *  Copyright 2007-2013 IMP Inventors. All rights reserved.
 */

#ifndef IMPDISPLAY_INTERNAL_WRITERS_H
#define IMPDISPLAY_INTERNAL_WRITERS_H

#include <IMP/display/display_config.h>
#include <IMP/file.h>
IMPDISPLAY_BEGIN_NAMESPACE
class Writer;
IMPDISPLAY_END_NAMESPACE

IMPDISPLAY_BEGIN_INTERNAL_NAMESPACE

class WriterFactory {
public:
  WriterFactory();
  virtual ~WriterFactory();
  virtual Writer *create(std::string name) const=0;
};

template <class Wr>
class WriterFactoryHelper: public WriterFactory {
public:
  WriterFactoryHelper(){}
  Writer *create(std::string name) const {
    return new Wr(base::TextOutput(name));
  }
};

std::map<std::string, WriterFactory *>& get_writer_factory_table();

struct WriterFactoryRegistrar {
  WriterFactoryRegistrar(std::string suffix, WriterFactory *wf) {
    get_writer_factory_table()[suffix]= wf;
  }
};



IMPDISPLAY_END_INTERNAL_NAMESPACE

#endif  /* IMPDISPLAY_INTERNAL_WRITERS_H */