formatreader.h

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/* This software and supporting documentation are distributed by
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#ifndef SOMAIO_READER_FORMATREADER_H
#define SOMAIO_READER_FORMATREADER_H
//--- soma-io ----------------------------------------------------------------
#include <soma-io/config/soma_config.h>
//--- cartobase --------------------------------------------------------------
#include <cartobase/object/object.h>
//--- system -----------------------------------------------------------------
#include <string>
//----------------------------------------------------------------------------
 
namespace carto {
  template<typename T> class rc_ptr;
  class Object;
}
 
namespace soma
{
  class DataSource;
  class DataSourceInfo;
  class AllocatorContext;
  
  template<typename T>
  class FormatReader
  {
  public:
    virtual ~FormatReader();
 
    //========================================================================
    //   N E W   M E T H O D S
    //========================================================================
    virtual void setupAndRead( T & obj, carto::rc_ptr<DataSourceInfo> dsi,
                               const AllocatorContext & context,
                               carto::Object options );

    virtual T* createAndRead( carto::rc_ptr<DataSourceInfo> dsi,
                              const AllocatorContext & context,
                              carto::Object options );

    virtual void read( T & obj, 
                       carto::rc_ptr<DataSourceInfo> dsi, 
                       const AllocatorContext & context, 
                       carto::Object options );

    virtual FormatReader<T>* clone() const = 0;

    virtual std::string formatID() const = 0;

    virtual carto::rc_ptr<DataSourceInfo> checkDataSourceInfo(
      carto::rc_ptr<DataSourceInfo> dsi, carto::Object options );
 
    //========================================================================
    //   S T I L L   U S E D
    //========================================================================
    virtual T* create( carto::Object header, 
                       const AllocatorContext & context, 
                       carto::Object options );
    virtual void setup( T & obj, carto::Object header, 
                        const AllocatorContext & context, 
                        carto::Object options );
 
  };
 
  extern template class FormatReader<carto::GenericObject>;
  extern template class FormatReader<carto::Object>;
}
 
#endif