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/***********************************************************************
Moses - statistical machine translation system
Copyright (C) 2006-2011 University of Edinburgh
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
#if HAVE_CONFIG_H
#include "config.h"
#endif
#include "Word.h"
#include "WordsRange.h"
namespace Moses
{
class ChartHypothesisCollection;
class Word;
class ChartCellLabel
{
public:
ChartCellLabel(const WordsRange &coverage, const Word &label,
const ChartHypothesisCollection *stack=NULL)
: m_coverage(coverage)
, m_label(label)
, m_stack(stack)
{}
const WordsRange &GetCoverage() const { return m_coverage; }
const Word &GetLabel() const { return m_label; }
const ChartHypothesisCollection *GetStack() const { return m_stack; }
bool operator<(const ChartCellLabel &other) const
{
// m_coverage and m_label uniquely identify a ChartCellLabel, so don't
// need to compare m_stack.
if (m_coverage == other.m_coverage) {
return m_label < other.m_label;
}
return m_coverage < other.m_coverage;
}
private:
const WordsRange &m_coverage;
const Word &m_label;
const ChartHypothesisCollection *m_stack;
};
}
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