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#pragma once
#include <boost/iostreams/device/mapped_file.hpp>
#include <boost/bimap.hpp>
#include <boost/unordered_map.hpp>
#include "../PhraseDictionary.h"
namespace Moses
{
class ChartParser;
class ChartCellCollectionBase;
class ChartRuleLookupManager;
class QueryEngine;
class target_text;
class ProbingPT : public PhraseDictionary
{
friend std::ostream& operator<<(std::ostream&, const ProbingPT&);
public:
ProbingPT(const std::string &line);
~ProbingPT();
void Load(AllOptions::ptr const& opts);
void InitializeForInput(ttasksptr const& ttask);
// for phrase-based model
void GetTargetPhraseCollectionBatch(const InputPathList &inputPathQueue) const;
// for syntax/hiero model (CKY+ decoding)
virtual ChartRuleLookupManager *CreateRuleLookupManager(
const ChartParser &,
const ChartCellCollectionBase &,
std::size_t);
TO_STRING();
protected:
QueryEngine *m_engine;
uint64_t m_unkId;
std::vector<uint64_t> m_sourceVocab; // factor id -> pt id
std::vector<const Factor*> m_targetVocab; // pt id -> factor*
std::vector<const AlignmentInfo*> m_aligns;
boost::iostreams::mapped_file_source file;
const char *data;
// caching
typedef boost::unordered_map<uint64_t, TargetPhraseCollection*> CachePb;
CachePb m_cachePb;
void CreateAlignmentMap(const std::string path);
TargetPhraseCollection::shared_ptr CreateTargetPhrase(const Phrase &sourcePhrase) const;
std::pair<bool, uint64_t> GetKey(const Phrase &sourcePhrase) const;
void GetSourceProbingIds(const Phrase &sourcePhrase, bool &ok,
uint64_t probingSource[]) const;
uint64_t GetSourceProbingId(const Word &word) const;
uint64_t GetSourceProbingId(const Factor *factor) const;
TargetPhraseCollection *CreateTargetPhrases(
const Phrase &sourcePhrase, uint64_t key) const;
TargetPhrase *CreateTargetPhrase(
const char *&offset) const;
inline const Factor *GetTargetFactor(uint32_t probingId) const {
if (probingId >= m_targetVocab.size()) {
return NULL;
}
return m_targetVocab[probingId];
}
};
} // namespace Moses
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