// $Id$
// vim:tabstop=2
/***********************************************************************
 Moses - factored phrase-based language decoder
 Copyright (C) 2010 Hieu Hoang

 This library is free software; you can redistribute it and/or
 modify it under the terms of the GNU Lesser General Public
 License as published by the Free Software Foundation; either
 version 2.1 of the License, or (at your option) any later version.

 This library 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
 Lesser General Public License for more details.

 You should have received a copy of the GNU Lesser General Public
 License along with this library; if not, write to the Free Software
 Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
 ***********************************************************************/
#pragma once

#include "ChartCell.h"
#include "WordsRange.h"
#include "CellCollection.h"

namespace Moses
{
class InputType;
class ChartManager;

/** Hold all the chart cells for 1 input sentence. A variable of this type is held by the ChartManager
 */
class ChartCellCollection : public CellCollection
{
public:
  typedef std::vector<ChartCell*> InnerCollType;
  typedef std::vector<InnerCollType> OuterCollType;

protected:
  OuterCollType m_hypoStackColl;

public:
  ChartCellCollection(const InputType &input, ChartManager &manager);
  ~ChartCellCollection();

  //! get a chart cell for a particular range
  ChartCell &Get(const WordsRange &coverage) {
    return *m_hypoStackColl[coverage.GetStartPos()][coverage.GetEndPos() - coverage.GetStartPos()];
  }
  
  //! get a chart cell for a particular range
  const ChartCell &Get(const WordsRange &coverage) const {
    return *m_hypoStackColl[coverage.GetStartPos()][coverage.GetEndPos() - coverage.GetStartPos()];
  }
};

}