---

integer.hh

/*
*  Name:      integer.hh
*  Author:    Rafael Jesus Alcantara Perez
*  Summary:   UESQLC base SQL type integer
*  Date:      $Date: 2003/10/06 13:21:35 $
*  Revision:  $Revision: 1.1 $
*
*  Copyright (C) 2002  Rafael Jesus Alcantara Perez <rafa@dedalo-ing.com>
*
*  This program is free software; you can redistribute it and/or modify
*  it under the terms of the GNU General Public License as published by
*  the Free Software Foundation; either version 2 of the License, or
*  (at your option) any later version.
*
*  This program is distributed in the hope that it will be useful,
*  but WITHOUT ANY WARRANTY; without even the implied warranty of
*  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
*  GNU General Public License for more details.
*
*  You should have received a copy of the GNU General Public License
*  along with this program; if not, write to the Free Software
*  Foundation, Inc., 59 Temple Place, Suite 330, Boston,
*  MA 02111-1307, USA.
*/

#ifndef _UESQL_INTEGER__
#define _UESQL_INTEGER__

#include "type.hh"


namespace uesqlc
{

  class TInteger : public IType
  {

    private:

      long int   liValue;


    public:

      //
      //  C O N S T R U C T O R S
      //

      TInteger (void) :
        IType   ()    ,
        liValue (0L)  {}

      TInteger (const TInteger& rktINTEGER) :
        IType   ()                          ,
        liValue (rktINTEGER.liValue)
      {
        setNull (rktINTEGER.isNull());
      }

      TInteger (const long int kliVALUE) :
        IType   ()                       ,
        liValue (kliVALUE)
      {
        setNull (false);
      }

      TInteger (const int kiVALUE) :
        IType   ()                 ,
        liValue (kiVALUE)
      {
        setNull (false);
      }

      explicit TInteger (const bool kgVALUE) :
        IType   ()                           ,
        liValue (kgVALUE)
      {
        setNull (false);
      }

      explicit TInteger (const char* pkcINTEGER) :
        IType   ()                               ,
        liValue (0L)
      {
        set (pkcINTEGER);
      }

      explicit TInteger (const std::string& rkyINTEGER) :
        IType   ()                                      ,
        liValue (0L)
      {
        set (rkyINTEGER);
      }

      void set (const char* pkcVALUE)
      {
        setNull ( !pkcVALUE || !*pkcVALUE );
        if ( !isNull() )
        {
          liValue = std::atol (pkcVALUE);
        }
      }

      void set (const std::string& rkyVALUE)
      {
        set (rkyVALUE.c_str());
      }


    public:

      //
      //  S E L E C T O R S
      //

      mpcl::text::TString get (void) const
      {
        mpcl::text::TString   yResult;

        if ( isNull() )
        {
          yResult = "null";
        }
        else
        {
          yResult = mpcl::text::Format ("%ld", liValue);
        }
        return yResult;
      }

      operator long int (void) const
      {
        return liValue;
      }

  };  // class TInteger

}  // namespace uesqlc


#endif  // not _UESQL_INTEGER__

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