mirror of
https://github.com/moses-smt/mosesdecoder.git
synced 2024-12-27 22:14:57 +03:00
143 lines
3.1 KiB
C++
143 lines
3.1 KiB
C++
#ifndef moses_PrefixTreeMap_h
|
|
#define moses_PrefixTreeMap_h
|
|
|
|
#include<vector>
|
|
#include<climits>
|
|
#include<iostream>
|
|
#include <map>
|
|
|
|
|
|
#include "PrefixTree.h"
|
|
#include "File.h"
|
|
#include "LVoc.h"
|
|
#include "ObjectPool.h"
|
|
|
|
namespace Moses
|
|
{
|
|
|
|
|
|
typedef PrefixTreeF<LabelId,OFF_T> PTF;
|
|
typedef FilePtr<PTF> CPT;
|
|
typedef std::vector<CPT> Data;
|
|
typedef LVoc<std::string> WordVoc;
|
|
|
|
/** @todo How is this used in the pb binary phrase table?
|
|
*/
|
|
class GenericCandidate
|
|
{
|
|
public:
|
|
typedef std::vector<IPhrase> PhraseList;
|
|
typedef std::vector< std::vector<float> > ScoreList;
|
|
public:
|
|
GenericCandidate() {
|
|
};
|
|
GenericCandidate(const GenericCandidate& other)
|
|
: m_PhraseList(other.m_PhraseList), m_ScoreList(other.m_ScoreList) {
|
|
};
|
|
GenericCandidate(const PhraseList& p, const ScoreList& s)
|
|
: m_PhraseList(p), m_ScoreList(s) {
|
|
};
|
|
~GenericCandidate() {
|
|
};
|
|
public:
|
|
size_t NumPhrases() const {
|
|
return m_PhraseList.size();
|
|
};
|
|
size_t NumScores() const {
|
|
return m_ScoreList.size();
|
|
};
|
|
const IPhrase& GetPhrase(unsigned int i) const {
|
|
return m_PhraseList.at(i);
|
|
}
|
|
const std::vector<float>& GetScore(unsigned int i) const {
|
|
return m_ScoreList.at(i);
|
|
}
|
|
void readBin(FILE* f);
|
|
void writeBin(FILE* f) const;
|
|
private:
|
|
PhraseList m_PhraseList;
|
|
ScoreList m_ScoreList;
|
|
};
|
|
|
|
|
|
/** @todo How is this used in the pb binary phrase table?
|
|
*/
|
|
struct PPimp {
|
|
PTF const*p;
|
|
unsigned idx;
|
|
bool root;
|
|
|
|
PPimp(PTF const* x,unsigned i,bool b) : p(x),idx(i),root(b) {}
|
|
bool isValid() const {
|
|
return root || (p && idx<p->size());
|
|
}
|
|
|
|
bool isRoot() const {
|
|
return root;
|
|
}
|
|
PTF const* ptr() const {
|
|
return p;
|
|
}
|
|
};
|
|
|
|
|
|
/** @todo How is this used in the pb binary phrase table?
|
|
*/
|
|
class Candidates : public std::vector<GenericCandidate>
|
|
{
|
|
typedef std::vector<GenericCandidate> MyBase;
|
|
public:
|
|
Candidates() : MyBase() {
|
|
};
|
|
void writeBin(FILE* f) const;
|
|
void readBin(FILE* f);
|
|
};
|
|
|
|
class PrefixTreeMap
|
|
{
|
|
public:
|
|
PrefixTreeMap() : m_FileSrc(0), m_FileTgt(0) {
|
|
PTF::setDefault(InvalidOffT);
|
|
}
|
|
~PrefixTreeMap() {
|
|
if(m_FileSrc) {
|
|
fClose(m_FileSrc);
|
|
}
|
|
if(m_FileTgt) {
|
|
fClose(m_FileTgt);
|
|
}
|
|
FreeMemory();
|
|
}
|
|
public:
|
|
static const LabelId MagicWord;
|
|
public:
|
|
void FreeMemory();
|
|
|
|
int Read(const std::string& fileNameStem, int numVocs = -1);
|
|
|
|
void GetCandidates(const IPhrase& key, Candidates* cands);
|
|
void GetCandidates(const PPimp& p, Candidates* cands);
|
|
|
|
std::vector< std::string const * > ConvertPhrase(const IPhrase& p, unsigned int voc) const;
|
|
IPhrase ConvertPhrase(const std::vector< std::string >& p, unsigned int voc) const;
|
|
LabelId ConvertWord(const std::string& w, unsigned int voc) const;
|
|
std::string ConvertWord(LabelId w, unsigned int voc) const;
|
|
public: //low level
|
|
PPimp* GetRoot();
|
|
PPimp* Extend(PPimp* p, LabelId wi);
|
|
PPimp* Extend(PPimp* p, const std::string w, size_t voc) {
|
|
return Extend(p, ConvertWord(w,voc));
|
|
}
|
|
private:
|
|
Data m_Data;
|
|
FILE* m_FileSrc;
|
|
FILE* m_FileTgt;
|
|
|
|
std::vector<WordVoc*> m_Voc;
|
|
ObjectPool<PPimp> m_PtrPool;
|
|
};
|
|
|
|
}
|
|
|
|
#endif
|