// Copyright (C) 2000 Bruce Guenter <bruceg@em.ca>

//

// 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

#include <config.h>

#include "vpwtable.h"

#include <stdlib.h>

#include "misc/autodelete.h"

#include "cdb++/cdb++.h"

class cdb_vpwtable_reader : public vpwtable_reader

{

private:

  cdb_reader cdb;

public:

  cdb_vpwtable_reader(const mystring& filename);

  ~cdb_vpwtable_reader();

  bool operator!() const;

  bool get(vpwentry& out);

  bool rewind();

  bool end();

};

vpwtable_reader* vpwtable::start_read() const

{

  return new cdb_vpwtable_reader(filename);

}

cdb_vpwtable_reader::cdb_vpwtable_reader(const mystring& filename)

  : cdb(filename)

{

}

cdb_vpwtable_reader::~cdb_vpwtable_reader()

{

  end();

}

bool cdb_vpwtable_reader::operator !() const

{

  return !cdb;

}

bool cdb_vpwtable_reader::end() 

{

  return true;

}

bool cdb_vpwtable_reader::rewind()

{

  return !!cdb && cdb.firstrec();

}

bool cdb_vpwtable_reader::get(vpwentry& out)

{

  autodelete<datum> rec = cdb.nextrec();

  if(!rec)

    return false;

  if(!out.from_record(rec->key, rec->data))

    return false;

  return true;

}