datasourceinfoloader.h

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/* This software and supporting documentation are distributed by
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#ifndef SOMAIO_DATASOURCEINFO_DATASOURCEINFOLOADER_H
#define SOMAIO_DATASOURCEINFO_DATASOURCEINFOLOADER_H
//--- soma-io ----------------------------------------------------------------
#include <soma-io/config/soma_config.h>
#include <soma-io/io/formatdictionary.h>                    // IOObjectTypesDictionary
//--- cartobase --------------------------------------------------------------
#include <cartobase/object/syntax.h>                              // SyntaxSet
#include <cartobase/object/object.h>                        // usage of none()
//--- system -----------------------------------------------------------------
#include <vector>
#include <string>
//----------------------------------------------------------------------------
 
namespace soma
{
  class FormatChecker;
  class DataSource;
  class DataSourceInfo;
  
  class DataSourceInfoLoader
  {
    public:
      enum State { Unchecked, Ok, Error };
      DataSourceInfoLoader();
      ~DataSourceInfoLoader();

      static void registerFormat( const std::string & fmtid, 
                                  FormatChecker* format, 
                                  const std::vector<std::string> & 
                                    extensions );
      static FormatChecker* formatInfo( const std::string & format );

      DataSourceInfo check( DataSourceInfo dsi, 
                            carto::Object options = carto::none(),
                            int passbegin = 1, int passend = 3 );
 
      State state() const;
      std::string errorMessage() const;
      void launchException();

      static carto::Object readMinf( DataSource & ds, 
                                     carto::Object base = carto::none(),
                                     carto::Object options = carto::none() );
      static carto::SyntaxSet & minfSyntax();

      static std::set<std::string> extensions( const std::string & format );
      
      static std::set<std::string> formats( const std::string & ext );

      static std::set<std::string> readFormats(const std::string & ext,
                                               const std::string & data_type_name);

      static std::set<std::string> writeFormats(const std::string & ext,
                                                const std::string & data_type_name);
 
    protected:
      static std::set<std::string> formats(
          const std::string & ext, 
          soma::IOObjectTypesDictionary::FormatInfo & format_info
      );
      
      struct Private;
      Private *d;
  };
  
}
 
#endif