/* This may look like c to you, but it's really -*-c++-*- */

/*   GMA or "The Go-moku Apprentice" is a go-moku implementation that learns
 *   the game from its own (and its opponents') mistakes.
 *   Copyright (C) 1998 Johan Walles (d92-jwa@nada.kth.se)
 *
 *   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 "moves.h"
#include "pattern.h"

Pattern Moves::findfirst()
{
  my_iterator = begin();

  // Throw exception if my_iterator == end()
  return (*my_iterator).first;
}

Pattern Moves::findnext()
{
  // FIXME: Is this check necessary, or is it handled by the STL?
  if (my_iterator != end())
    my_iterator++;
      
  // Throw exception if my_iterator == end()
  return (*my_iterator).first;
}

Pattern Moves::current()
{
  // Throw exception if my_iterator == end()
  return (*my_iterator).first;
}

int Moves::lookup(const Pattern pattern) const
{
  const_iterator iter = find(pattern);

  if (iter == end())
    return 0;
  else
    return (*iter).second;
}