vpfColumn.h

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/*******************************************************************************
** Copyright  (c) 2006 MAK Technologies, Inc.
** All rights reserved.     
*******************************************************************************/
/*******************************************************************************
** $RCSfile: vpfColumn.h,v $ $Revision: 1.10 $ $State: Exp $
*******************************************************************************/

#ifndef VPF_COLUMN_H_
#define VPF_COLUMN_H_


#include <iostream>
#include <fstream>
#include <vector>

#include <vlutil/vlString.h>
#include "vmap/vmapDefines.h"

//forward defs
class DtVpfTable;
class DtVpfColumnData;
class DtVpfData;

class DT_DLL_vmap DtVpfColumn
{
   private:
      DtVpfColumn(const DtVpfColumn& column);

      DtVpfColumn& operator=(const DtVpfColumn& column);

   public:
      DtVpfColumn(DtVpfTable* table);

      virtual ~DtVpfColumn();

      virtual bool readDescription();

      virtual bool readValue();

      virtual const DtVpfData* operator[](const unsigned int row) const;

      virtual DtString columnName() const;

      virtual char dataType() const;

      virtual int numberDataElements() const;

      virtual const DtString& columnDescription() const;

      virtual const DtString& valueDescriptionTableName() const;

      virtual bool hasValueDescription() const;

      virtual const DtString valueDescription(const int input) const;

      virtual const DtString valueDescription(const DtString& input) const;       
      
      virtual DtVpfTable* table() const;

      virtual unsigned int numRows() const;

   protected:
      DtString myColumnName;
      char myDataType;
      DtString myNumberDataElementsString;
      int myNumberDataElements;
      char myKeyType;
      DtString myDescription;
      DtString myValueDescriptionTableName;
      DtString myThematicIndexTableName;
      DtString myNarrativeTableName;

      bool myHasValueDescription;
      bool myHasThematicIndex;
      bool myHasNarrative;

      DtVpfTable* myTable;
      std::vector<DtVpfData*> myData;
};

#endif