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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 "ChartCellLabel.h"
#include <set>
namespace Moses
{
class ChartHypothesisCollection;
class ChartCellLabelSet
{
private:
typedef std::set<ChartCellLabel> SetType;
public:
typedef SetType::const_iterator const_iterator;
ChartCellLabelSet(const WordsRange &coverage) : m_coverage(coverage) {}
const_iterator begin() const { return m_set.begin(); }
const_iterator end() const { return m_set.end(); }
void AddWord(const Word &w)
{
ChartCellLabel cellLabel(m_coverage, w);
m_set.insert(cellLabel);
}
void AddConstituent(const Word &w, const ChartHypothesisCollection &stack)
{
ChartCellLabel cellLabel(m_coverage, w, &stack);
m_set.insert(cellLabel);
}
bool Empty() const { return m_set.empty(); }
size_t GetSize() const { return m_set.size(); }
const ChartCellLabel *Find(const Word &w) const
{
SetType::const_iterator p = m_set.find(ChartCellLabel(m_coverage, w));
return p == m_set.end() ? 0 : &(*p);
}
private:
const WordsRange &m_coverage;
SetType m_set;
};
}
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