argR.h

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/*
 *  Data reader class
 */
#ifndef AIMS_IO_ARGR_H
#define AIMS_IO_ARGR_H

#include <cartobase/object/syntax.h>
#include <aims/data/pheader.h>
#include <set>

class Graph;

namespace aims
{

  class LowLevelArgReader
  {
  public:
    LowLevelArgReader();
    virtual ~LowLevelArgReader();
    virtual Graph* read( const std::string & filename, 
                         int subobjectsfilter = -1 ) = 0;
    virtual void mergeMinf( Graph & g, const PythonHeader & hdr );

  protected:
    static void mergeTransformations( Graph & g, const PythonHeader & hdr );
  };

  /* This class is a wrapper for several GraphReaders: standard GraphReader, 
     FoldReader, FRGReader (defined in sigraph library), RoiArgReader (defined
     in aimsalgo), etc. New readers can be added as plugins.
   */
  class ArgReader
  {
  public:
    ArgReader( const std::string& filename );
    ~ArgReader();
    Graph *read( int subobjectsfilter = -1 ) const;
    static void registerReader( const std::string & syntax, 
                                LowLevelArgReader *reader );
    static bool hasReader( const std::string & syntax );
    static void deleteReader( const std::string & syntax );
    static std::set<std::string> readers();
    static void initLowLevelReaders();

  private:
    struct StaticPrivate;
    static StaticPrivate* staticPrivate();

    std::string _name;
  };

  class LowLevelStandardArgReader : public LowLevelArgReader
  {
  public:
    LowLevelStandardArgReader();
    virtual ~LowLevelStandardArgReader();
    virtual Graph* read( const std::string & filename, 
                         int subobjectsfilter = -1 );

  protected:
    carto::SyntaxSet    *_syntax;
  };

}

#endif