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// $Id$
#ifndef CONFUSIONNET_H_
#define CONFUSIONNET_H_
#include <vector>
#include <iostream>
#include "Word.h"
#include "Input.h"
class FactorCollection;
class TranslationOptionCollection;
class ConfusionNet : public InputType {
public:
typedef std::vector<std::pair<Word,float> > Column;
private:
std::vector<Column> data;
FactorCollection *m_factorCollection;
public:
ConfusionNet(FactorCollection* p=0);
~ConfusionNet();
void SetFactorCollection(FactorCollection*);
const Column& GetColumn(size_t i) const {assert(i<data.size());return data[i];}
const Column& operator[](size_t i) const {return GetColumn(i);}
bool Empty() const {return data.empty();}
size_t GetSize() const {return data.size();}
void Clear() {data.clear();}
bool ReadF(std::istream&,const std::vector<FactorType>& factorOrder,int format=0);
void Print(std::ostream&) const;
int Read(std::istream& in,const std::vector<FactorType>& factorOrder, FactorCollection &factorCollection);
Phrase GetSubString(const WordsRange&) const;
std::string GetStringRep(const WordsRange&) const; //not well defined yet
const FactorArray& GetFactorArray(size_t pos) const;
TargetPhraseCollection const* CreateTargetPhraseCollection(PhraseDictionaryBase const& d,const WordsRange& r) const;
TranslationOptionCollection* CreateTranslationOptionCollection() const;
private:
bool ReadFormat0(std::istream&,const std::vector<FactorType>& factorOrder);
bool ReadFormat1(std::istream&,const std::vector<FactorType>& factorOrder);
void String2Word(const std::string& s,Word& w,const std::vector<FactorType>& factorOrder);
};
std::ostream& operator<<(std::ostream& out,const ConfusionNet& cn);
#endif
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