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// $Id: ConfusionNet.h 1897 2008-10-08 23:51:26Z hieuhoang1972 $
#ifndef CONFUSIONNET_H_
#define CONFUSIONNET_H_
#include <vector>
#include <iostream>
#include "Word.h"
#include "InputType.h"
namespace Moses
{
class FactorCollection;
class TranslationOptionCollection;
class Sentence;
class ConfusionNet : public InputType {
public:
typedef std::vector<std::pair<Word,float> > Column;
LabelList m_defaultLabelList;
protected:
std::vector<Column> data;
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);
public:
ConfusionNet();
virtual ~ConfusionNet();
ConfusionNet(Sentence const& s);
InputTypeEnum GetType() const
{ return ConfusionNetworkInput;}
const Column& GetColumn(size_t i) const {assert(i<data.size());return data[i];}
const Column& operator[](size_t i) const {return GetColumn(i);}
virtual size_t GetColumnIncrement(size_t i, size_t j) const; //! returns 1 for CNs
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);
virtual void Print(std::ostream&) const;
int Read(std::istream& in,const std::vector<FactorType>& factorOrder);
Phrase GetSubString(const WordsRange&) const; //TODO not defined
std::string GetStringRep(const std::vector<FactorType> factorsToPrint) const; //TODO not defined
const Word& GetWord(size_t pos) const;
TranslationOptionCollection* CreateTranslationOptionCollection() const;
virtual const LabelList &GetLabelList(size_t startPos, size_t endPos) const
{ return m_defaultLabelList; }
};
std::ostream& operator<<(std::ostream& out,const ConfusionNet& cn);
}
#endif
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