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/***********************************************************************
Moses - factored phrase-based language decoder
Copyright (C) 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
***********************************************************************/
#ifndef _SCORE_DATA_ITERATOR_
#define _SCORE_DATA_ITERATOR_
/*
* For loading from the score data file.
**/
#include <vector>
#include <boost/iterator/iterator_facade.hpp>
#include <boost/shared_ptr.hpp>
#include "util/file_piece.hh"
#include "util/string_piece.hh"
#include "FeatureDataIterator.h"
typedef std::vector<float> ScoreDataItem;
class ScoreDataIterator :
public boost::iterator_facade<ScoreDataIterator,
const std::vector<ScoreDataItem>,
boost::forward_traversal_tag>
{
public:
ScoreDataIterator();
explicit ScoreDataIterator(const std::string& filename);
static ScoreDataIterator end() {
return ScoreDataIterator();
}
private:
friend class boost::iterator_core_access;
void increment();
bool equal(const ScoreDataIterator& rhs) const;
const std::vector<ScoreDataItem>& dereference() const;
void readNext();
boost::shared_ptr<util::FilePiece> m_in;
std::vector<ScoreDataItem> m_next;
};
#endif
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