mosesdecoder/moses/TranslationModel/RuleTable/PhraseDictionaryFuzzyMatch.h

90 lines
3.5 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 "moses/TranslationModel/PhraseDictionary.h"
#include "moses/InputType.h"
#include "moses/NonTerminal.h"
#include "moses/TranslationModel/fuzzy-match/FuzzyMatchWrapper.h"
#include "Trie.h"
#include "PhraseDictionaryNodeSCFG.h"
#include "PhraseDictionarySCFG.h"
namespace Moses
{
class PhraseDictionaryNodeSCFG;
/** Implementation of a SCFG rule table in a trie. Looking up a rule of
* length n symbols requires n look-ups to find the TargetPhraseCollection.
*/
class PhraseDictionaryFuzzyMatch : public PhraseDictionary
{
friend std::ostream& operator<<(std::ostream&, const PhraseDictionaryFuzzyMatch&);
friend class RuleTableLoader;
public:
PhraseDictionaryFuzzyMatch(const std::string &line);
bool Load(const std::vector<FactorType> &input
, const std::vector<FactorType> &output
, const std::string &initStr
, size_t tableLimit);
const PhraseDictionaryNodeSCFG &GetRootNode(const InputType &source) const;
ChartRuleLookupManager *CreateRuleLookupManager(
const InputType &,
const ChartCellCollectionBase &);
void InitializeForInput(InputType const& inputSentence);
void CleanUpAfterSentenceProcessing(const InputType& source);
virtual const TargetPhraseCollection *GetTargetPhraseCollection(const Phrase& src) const
{
assert(false);
return NULL;
}
TO_STRING();
protected:
TargetPhraseCollection &GetOrCreateTargetPhraseCollection(PhraseDictionaryNodeSCFG &rootNode
, const Phrase &source
, const TargetPhrase &target
, const Word *sourceLHS);
PhraseDictionaryNodeSCFG &GetOrCreateNode(PhraseDictionaryNodeSCFG &rootNode
, const Phrase &source
, const TargetPhrase &target
, const Word *sourceLHS);
void SortAndPrune(PhraseDictionaryNodeSCFG &rootNode);
PhraseDictionaryNodeSCFG &GetRootNode(const InputType &source);
std::map<long, PhraseDictionaryNodeSCFG> m_collection;
std::vector<std::string> m_config;
const std::vector<FactorType> *m_input, *m_output;
const std::vector<float> *m_weight;
tmmt::FuzzyMatchWrapper *m_FuzzyMatchWrapper;
};
} // namespace Moses