ossimVpfTable.h

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//*******************************************************************
//
// License:  See top level LICENSE.txt file.
// 
// Author: Garrett Potts (gpotts@imagelinks.com)
// Description: This class give the capability to access tiles from an
//              vpf file.
//
//********************************************************************
// $Id: ossimVpfTable.h 9967 2006-11-29 02:01:23Z gpotts $
#ifndef ossimVpfTable_HEADER
#define ossimVpfTable_HEADER
#include <iostream>
#include <vector>


#include <ossim/base/ossimString.h>
#include <ossim/base/ossimErrorContext.h>
#include <ossim/base/ossimFilename.h>
#include <ossim/vec/vpf.h>

class OSSIM_DLL ossimVpfTable
{
public:
    friend OSSIM_DLL std::ostream& operator <<(std::ostream& out,
                               const ossimVpfTable& data);
   
   ossimVpfTable();
   virtual ~ossimVpfTable();

   virtual bool openTable(const ossimFilename& tableName);

   virtual void closeTable();

   virtual void print(std::ostream& out)const;

  int getNumberOfRows()const;
  int getNumberOfColumns()const;
  ossimString getColumnName(int idx)const;
   virtual bool isClosed()const;
   virtual void reset()const;

   virtual bool goToRow(long row)const;
   vpf_table_type* getVpfTableData()
      {
         return theTableInformation;
      }

      std::vector<ossimString> getColumnValues(const ossimString& columnName)const;
      std::vector<ossimString> getColumnValues(long columnNumber)const;
   
   ossimString getColumnValueAsString(row_type& row,
                                      long columnNumber)const;
   ossimString getColumnValueAsString(ossim_int32 rowNumber,
                                      long columnNumber)const;
   ossimString getColumnValueAsString(const ossimString& columnName);
   ossim_int32 getColumnPosition(const ossimString& columnName)const;

protected:
   vpf_table_type* theTableInformation;

   ossimFilename   theTableName;
};

#endif