mosesdecoder/phrase-extract/extract-ghkm/ScfgRule.h
2012-05-31 17:24:06 +01:00

79 lines
2.2 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
#ifndef EXTRACT_GHKM_SCFG_RULE_H_
#define EXTRACT_GHKM_SCFG_RULE_H_
#include "Alignment.h"
#include <string>
#include <vector>
namespace Moses {
namespace GHKM {
class Node;
class Subgraph;
enum SymbolType { Terminal, NonTerminal };
struct Symbol
{
public:
Symbol(const std::string &v, SymbolType t) : m_value(v) , m_type(t) {}
const std::string &GetValue() const { return m_value; }
SymbolType GetType() const { return m_type; }
private:
std::string m_value;
SymbolType m_type;
};
class ScfgRule
{
public:
ScfgRule(const Subgraph &fragment);
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; }
const Alignment &GetAlignment() const { return m_alignment; }
float GetPcfgScore() const { return m_pcfgScore; }
int Scope() const;
private:
static bool PartitionOrderComp(const Node *, const Node *);
Symbol m_sourceLHS;
Symbol m_targetLHS;
std::vector<Symbol> m_sourceRHS;
std::vector<Symbol> m_targetRHS;
Alignment m_alignment;
float m_pcfgScore;
};
} // namespace GHKM
} // namespace Moses
#endif