areader.h

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/* This software and supporting documentation are distributed by
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 * This software is governed by the CeCILL-B license under
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#ifndef SOMAIO_READER_AREADER_H
#define SOMAIO_READER_AREADER_H
//--- soma-io ----------------------------------------------------------------
#include <soma-io/config/soma_config.h>
#include <soma-io/datasource/datasource.h>
//--- cartobase --------------------------------------------------------------
#include <cartobase/config/cartobase_config.h>
#ifndef CARTOBASE_OBJECT_SYNTAX_H
  #include <cartobase/object/syntax.h>
#endif
#include <cartobase/object/object.h>
//----------------------------------------------------------------------------
 
namespace soma
{
 
  //=========================================================================
  //    C L A S S  D E C L A R A T I O N
  //=========================================================================

  class CARTOBASE_API AttributedReader
  {
 
  public:
 
    //------------------------------------------------------------------------
    //------------------------------------------------------------------------
 
    typedef void (*Helper)( carto::GenericObject&, const std::string&, 
                            DataSource &);
    typedef std::map<std::string,Helper> HelperSet;

 
    //------------------------------------------------------------------------
    //------------------------------------------------------------------------
 
    AttributedReader( carto::rc_ptr<DataSource> ds,
                      const carto::SyntaxSet& rules,
                      const HelperSet& helpers = HelperSet() );

    AttributedReader(const std::string& filename,
                     const carto::SyntaxSet& rules,
                     const HelperSet& helpers = HelperSet());

    AttributedReader(const carto::SyntaxSet& rules,
                     const HelperSet& helpers = HelperSet());

    virtual ~AttributedReader();

 
    //------------------------------------------------------------------------
    //------------------------------------------------------------------------

    void open(const std::string& filename);
    void attach( carto::rc_ptr<DataSource> ds );
    void attach( std::istream & stream, int line_num = 1 );

    void close();
    carto::rc_ptr<DataSource> dataSource() { return _datasource; }

 
    //------------------------------------------------------------------------
    //------------------------------------------------------------------------

    virtual std::string name() const;

    int line() const;

 
    //------------------------------------------------------------------------
    //------------------------------------------------------------------------

    bool operator!() const;

    bool is_open() const;

    bool eof() const;

 
  protected:
 
    //------------------------------------------------------------------------
    //------------------------------------------------------------------------

    void readAttribute(carto::GenericObject& object, 
                       const std::string& semantic);
 
    // DO NOT USE! DEPRECIATED
    void readAttribute(carto::GenericObject* object, 
                       const std::string& semantic)
      __attribute__((__deprecated__));

 
    //------------------------------------------------------------------------
    //------------------------------------------------------------------------

    carto::SyntaxSet _rules;

    carto::rc_ptr<DataSource> _datasource;

    HelperSet _helpers;

 
  private:

    void init();
 
    //------------------------------------------------------------------------
    //------------------------------------------------------------------------

    AttributedReader(const AttributedReader&);

    AttributedReader& operator=(const AttributedReader&);

  };
 
}
 
#endif