FeatureFileIODstWeb.h

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#ifndef  _FEATUREFILEIODSTWEB_
#define  _FEATUREFILEIODSTWEB_

#include  "FeatureFileIO.h"

namespace KKMLL
{
  /**
    ************************************************************************************************
    *  FeatureFileIODstWeb    Sub-classed from FeatureFileIO.  It supports the reading of the      *
    *  "dst" file format used by for the Anonymous web data from www.microsoft.com.                *
    *  For detailed description go to http://kdd.ics.uci.edu/databases/msweb/msweb.data.html       *
    *  In addition to the layout described above you will need to add a line at the top of the     *
    *  file of the format "ClassName = xxxx"  where xxxx = the name of the attribute that will be  *
    *  used as the Class-Name.                                                                     *
    ************************************************************************************************
    * @see  FeatureFileIO
    */
  class FeatureFileIODstWeb: public FeatureFileIO
  {
  public:
    FeatureFileIODstWeb ();
    ~FeatureFileIODstWeb ();

    typedef  FeatureFileIODstWeb*  FeatureFileIODstWebPtr;

    static   FeatureFileIODstWebPtr  Driver ()  {return &driver;}

    virtual  FileDescPtr  GetFileDesc (const KKStr&   _fileName,
                                       istream&       _in,
                                       MLClassListPtr _classList,
                                       kkint32&       _estSize,
                                       KKStr&         _errorMessage,
                                       RunLog&        _log
                                      );


    virtual  FeatureVectorListPtr  LoadFile (const KKStr&      _fileName,
                                             const FileDescPtr _fileDesc,
                                             MLClassList&      _classes,
                                             istream&          _in,
                                             kkint32           _maxCount,    // Maximum # images to load.
                                             VolConstBool&     _cancelFlag,
                                             bool&             _changesMade,
                                             KKStr&            _errorMessage,
                                             RunLog&           _log
                                            );


    virtual  void   SaveFile (FeatureVectorList&    _data,
                              const KKStr&          _fileName,
                              FeatureNumListConst&  _selFeatures,
                              ostream&              _out,
                              kkuint32&             _numExamplesWritten,
                              VolConstBool&         _cancelFlag,
                              bool&                  _successful,
                              KKStr&                _errorMessage,
                              RunLog&               _log
                             );

  private:
    static  FeatureFileIODstWeb  driver;

    class  AttrDescLine;
    typedef  AttrDescLine*  AttrDescLinePtr;
    class  AttrDescLineComparator;

  };  /* FeatureFileIODstWeb */


}  /* namespace KKMLL */


#endif