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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
#include <string>
#include <vector>
#include <list>
#include <memory>
#include <iostream>
#include "Alignment.h"
#include "Rule.h"
#include "SyntaxNodeCollection.h"
namespace MosesTraining
{
namespace GHKM
{
class Node;
class Subgraph;
class ScfgRule : public Rule
{
public:
ScfgRule(const Subgraph &fragment,
const SyntaxNodeCollection *sourceNodeCollection = 0);
const Subgraph &GetGraphFragment() const {
return m_graphFragment;
}
const Symbol &GetSourceLHS() const {
return m_sourceLHS;
}
const Symbol &GetTargetLHS() const {
return m_targetLHS;
}
const std::vector<Symbol> &GetSourceRHS() const {
return m_sourceRHS;
}
const std::vector<Symbol> &GetTargetRHS() const {
return m_targetRHS;
}
float GetPcfgScore() const {
return m_pcfgScore;
}
bool HasSourceLabels() const {
return m_hasSourceLabels;
}
void PrintSourceLabels(std::ostream &out) const {
for (std::vector<std::string>::const_iterator it = m_sourceLabels.begin();
it != m_sourceLabels.end(); ++it) {
out << " " << (*it);
}
}
void UpdateSourceLabelCoocCounts(std::map< std::string, std::map<std::string,float>* > &coocCounts,
float count) const;
int Scope() const {
return Rule::Scope(m_sourceRHS);
}
private:
void PushSourceLabel(const SyntaxNodeCollection *sourceNodeCollection,
const Node *node, const std::string &nonMatchingLabel);
const Subgraph& m_graphFragment;
Symbol m_sourceLHS;
Symbol m_targetLHS;
std::vector<Symbol> m_sourceRHS;
std::vector<Symbol> m_targetRHS;
float m_pcfgScore;
bool m_hasSourceLabels;
std::vector<std::string> m_sourceLabels;
unsigned m_numberOfNonTerminals;
};
} // namespace GHKM
} // namespace MosesTraining
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