listItemW.h

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/* This software and supporting documentation are distributed by
 *     Institut Federatif de Recherche 49
 *     CEA/NeuroSpin, Batiment 145,
 *     91191 Gif-sur-Yvette cedex
 *     France
 *
 * This software is governed by the CeCILL-B license under
 * French law and abiding by the rules of distribution of free software.
 * You can  use, modify and/or redistribute the software under the
 * terms of the CeCILL-B license as circulated by CEA, CNRS
 * and INRIA at the following URL "http://www.cecill.info".
 *
 * As a counterpart to the access to the source code and  rights to copy,
 * modify and redistribute granted by the license, users are provided only
 * with a limited warranty  and the software's author,  the holder of the
 * economic rights,  and the successive licensors  have only  limited
 * liability.
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 * with loading,  using,  modifying and/or developing or reproducing the
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 * same conditions as regards security.
 *
 * The fact that you are presently reading this means that you have had
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 */

/*
 *  List item writer class
 */
#ifndef AIMS_IO_LISTITEMW_H
#define AIMS_IO_LISTITEMW_H

#include <aims/io/defaultItemW.h>
#include <list>

namespace aims
{

#ifndef DOXYGEN_HIDE_INTERNAL_CLASSES

  template<typename T>
  class DefaultItemWriter<std::list<T> > : public ItemWriter<std::list<T> >
  {
  public:
    DefaultItemWriter() : ItemWriter<std::list<T> >() { }
    virtual ~DefaultItemWriter() { }

    virtual void write( std::ostream & is, const std::list<T> & item ) const;
    virtual void write( std::ostream & is, const std::list<T> * pitem, 
                        size_t n ) const;
    virtual ItemWriter<std::list<T> >* 
      writer( const std::string & openmode = "binar", 
              bool bswap = false ) const;
  };


  template<typename T>
  class DefaultAsciiItemWriter<std::list<T> > 
    : public DefaultItemWriter<std::list<T> >
  {
  public:
    DefaultAsciiItemWriter() : DefaultItemWriter<std::list<T> >() { }
    virtual ~DefaultAsciiItemWriter() { }

    virtual void write( std::ostream & is, const std::list<T> & item ) const;
  };


  template<typename T>
  class DefaultBSwapItemWriter<std::list<T> > 
    : public DefaultItemWriter<std::list<T> >
  {
  public:
    DefaultBSwapItemWriter() : DefaultItemWriter<std::list<T> >() { }
    virtual ~DefaultBSwapItemWriter() { }

    virtual void write( std::ostream & is, const std::list<T> & item ) const;
  };


  template<typename T> inline 
  ItemWriter<std::list<T> >* 
  DefaultItemWriter<std::list<T> >::writer( const std::string & openmode, 
                                            bool bswap ) const
  {
    if ( openmode == "ascii" )
      return new DefaultAsciiItemWriter<std::list<T> >;
    if ( bswap )
      return new DefaultBSwapItemWriter<std::list<T> >;
    return new DefaultItemWriter<std::list<T> >;
  }


  template<typename T> inline 
  void DefaultItemWriter<std::list<T> >::write( std::ostream & is, 
                                                const std::list<T> * pitem, 
                                                size_t n ) const
  {
    const std::list<T>  *ptr = pitem;
    for( size_t i=0; i<n; ++i )
      write( is, *ptr++ );
  }


  template<typename T> inline void 
  DefaultItemWriter<std::list<T> >::write( std::ostream & os, 
                                           const std::list<T> & item ) const
  {
    typename std::list<T>::const_iterator       it, et = item.end();
    DefaultItemWriter<uint32_t>         iw1;
    DefaultItemWriter<T>                iw;
    iw1.write( os, (uint32_t)item.size() );
    for ( it=item.begin(); it!=et; ++it )
      iw.write( os, *it );
  }


  template<typename T> inline void 
  DefaultAsciiItemWriter<std::list<T> >::write
  ( std::ostream & os, const std::list<T> & item ) const
  {
    typename std::list<T>::const_iterator       it, et = item.end();
    DefaultAsciiItemWriter<uint32_t>    iw1;
    DefaultAsciiItemWriter<T>           iw;
    os << '(';
    iw1.write( os, (uint32_t)item.size() );
    for ( it=item.begin(); it!=et; ++it )
      {
        os << ',';
        iw.write( os, *it );
      }
    os << ')';
  }


  template<typename T> inline void 
  DefaultBSwapItemWriter<std::list<T> >::write
  ( std::ostream & os, const std::list<T> & item ) const
  {
    typename std::list<T>::const_iterator       it, et = item.end();
    DefaultBSwapItemWriter<uint32_t>    iw1;
    DefaultBSwapItemWriter<T>           iw;
    iw1.write( os, (uint32_t)item.size() );
    for ( it=item.begin(); it!=et; ++it )
      iw.write( os, *it );
  }

#endif // DOXYGEN_HIDE_INTERNAL_CLASSES

} // namespace aims


#endif