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https://github.com/moses-smt/mosesdecoder.git
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87 lines
2.1 KiB
C++
87 lines
2.1 KiB
C++
// $Id$
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#ifndef moses_ConfusionNet_h
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#define moses_ConfusionNet_h
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#include <vector>
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#include <iostream>
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#include "Word.h"
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#include "InputType.h"
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#include "NonTerminal.h"
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namespace Moses
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{
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class FactorCollection;
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class TranslationOptionCollection;
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class Sentence;
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/** An input to the decoder where each position can be 1 of a number of words,
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* each with an associated probability. Compared with a sentence, where each position is a word
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*/
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class ConfusionNet : public InputType
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{
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public:
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typedef std::vector<std::pair<Word,std::vector<float> > > Column;
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protected:
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std::vector<Column> data;
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NonTerminalSet m_defaultLabelSet;
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bool ReadFormat0(std::istream&,const std::vector<FactorType>& factorOrder);
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bool ReadFormat1(std::istream&,const std::vector<FactorType>& factorOrder);
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void String2Word(const std::string& s,Word& w,const std::vector<FactorType>& factorOrder);
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public:
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ConfusionNet();
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virtual ~ConfusionNet();
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ConfusionNet(Sentence const& s);
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InputTypeEnum GetType() const {
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return ConfusionNetworkInput;
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}
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const Column& GetColumn(size_t i) const {
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CHECK(i<data.size());
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return data[i];
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}
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const Column& operator[](size_t i) const {
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return GetColumn(i);
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}
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virtual size_t GetColumnIncrement(size_t i, size_t j) const; //! returns 1 for CNs
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bool Empty() const {
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return data.empty();
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}
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size_t GetSize() const {
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return data.size();
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}
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void Clear() {
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data.clear();
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}
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bool ReadF(std::istream&,const std::vector<FactorType>& factorOrder,int format=0);
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virtual void Print(std::ostream&) const;
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int Read(std::istream& in,const std::vector<FactorType>& factorOrder);
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Phrase GetSubString(const WordsRange&) const; //TODO not defined
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std::string GetStringRep(const std::vector<FactorType> factorsToPrint) const; //TODO not defined
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const Word& GetWord(size_t pos) const;
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TranslationOptionCollection* CreateTranslationOptionCollection() const;
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const NonTerminalSet &GetLabelSet(size_t /*startPos*/, size_t /*endPos*/) const {
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return m_defaultLabelSet;
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}
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};
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std::ostream& operator<<(std::ostream& out,const ConfusionNet& cn);
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}
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#endif
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