Datum.h

   1 // CDatum, CDatumListViewItem classes
   2 // Copyright © 2009 The University of Chicago
   3 #ifndef DATUM_H
   4 #define DATUM_H
   5
   6 #include <qstring.h>
   7 #include <q3textstream.h>
   8 #include <qdatetime.h>
   9
  10 #include <math.h> //log
  11
  12 #include "Parse.h"
  13
  14 #include <q3listview.h>
  15
  16 class CStringSurrogate;
  17 class CMiniLexicon;
  18 class CVeryLong;
  19
  20 class CDatum;
  21
  22 class CDatumListViewItem : public Q3ListViewItem
  23 {
  24 public:
  25         CDatumListViewItem( Q3ListView* parent = NULL );
  26         CDatumListViewItem( Q3ListView *parent,
  27                                                  QString = QString::null,
  28                                                  CDatum* = NULL );
  29         CDatumListViewItem( Q3ListViewItem *parent,
  30                                                  QString = QString::null,
  31                                                  CDatum* = NULL );
  32
  33         virtual QString text ( int ) const;
  34         virtual QString key ( int, bool ) const;
  35         CDatum* GetDatum() { return m_datum; }
  36         void SetDatum( CDatum* pDatum ) { m_datum = pDatum; }
  37 protected:
  38         CDatum* m_datum;
  39 };
  40
  41
  42 class CDatum : public CParse
  43 {
  44
  45 public:
  46
  47         //CVeryLong     m_Count; //this should never get to zero.
  48         //CVeryLong     m_Frequency;//between 0 and 1; = this->Count / Lexicon->TotalCount
  49         double          m_Count; //this should never get to zero.
  50         double          m_Frequency;
  51         int                     m_Index;
  52
  53
  54                         CDatum();
  55                         CDatum( CParse& );
  56                         CDatum( QChar );
  57                         CDatum( CStringSurrogate& );
  58
  59         void    SetCount( double i );
  60         double  GetCount();
  61 //      double  GetInformationContent( CMiniLexicon* Lexicon ); todo: put this back
  62
  63         void    SetFrequency( float f );
  64         void    IncrementCount( CVeryLong& );
  65         void    IncrementCount();
  66
  67 };
  68
  69 #endif // DATUM_H