mosesdecoder/moses/ChartCellLabelSet.h
2013-05-29 18:16:15 +01:00

101 lines
2.7 KiB
C++

/***********************************************************************
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
#include "ChartCellLabel.h"
#include "NonTerminal.h"
#include <boost/functional/hash.hpp>
#include <boost/unordered_map.hpp>
#include <boost/version.hpp>
namespace Moses
{
class ChartHypothesisCollection;
/** @todo I have no idea what's in here
*/
class ChartCellLabelSet
{
private:
#if defined(BOOST_VERSION) && (BOOST_VERSION >= 104200)
typedef boost::unordered_map<Word, ChartCellLabel,
NonTerminalHasher, NonTerminalEqualityPred
> MapType;
#else
typedef std::map<Word, ChartCellLabel> MapType;
#endif
public:
typedef MapType::const_iterator const_iterator;
typedef MapType::iterator iterator;
ChartCellLabelSet(const WordsRange &coverage) : m_coverage(coverage) {}
const_iterator begin() const {
return m_map.begin();
}
const_iterator end() const {
return m_map.end();
}
iterator mutable_begin() {
return m_map.begin();
}
iterator mutable_end() {
return m_map.end();
}
void AddWord(const Word &w) {
m_map.insert(std::make_pair(w, ChartCellLabel(m_coverage, w)));
}
// Stack is a HypoList or whatever the search algorithm uses.
void AddConstituent(const Word &w, const HypoList *stack) {
ChartCellLabel::Stack s;
s.cube = stack;
m_map.insert(std::make_pair(w, ChartCellLabel(m_coverage, w, s)));
}
bool Empty() const {
return m_map.empty();
}
size_t GetSize() const {
return m_map.size();
}
const ChartCellLabel *Find(const Word &w) const {
MapType::const_iterator p = m_map.find(w);
return p == m_map.end() ? 0 : &(p->second);
}
ChartCellLabel::Stack &FindOrInsert(const Word &w) {
return m_map.insert(std::make_pair(w, ChartCellLabel(m_coverage, w))).first->second.MutableStack();
}
private:
const WordsRange &m_coverage;
MapType m_map;
};
}