mosesdecoder/moses/Sentence.h
2015-05-02 11:45:24 +01:00

144 lines
4.3 KiB
C++

// -*- c++ -*-
// $Id$
/***********************************************************************
Moses - factored phrase-based language decoder
Copyright (C) 2006 University of Edinburgh
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
***********************************************************************/
#ifndef moses_Sentence_h
#define moses_Sentence_h
#include <vector>
#include <string>
#include "Word.h"
#include "Phrase.h"
#include "InputType.h"
namespace Moses
{
class WordsRange;
class PhraseDictionary;
class TranslationOption;
class TranslationOptionCollection;
class ChartTranslationOptions;
class TranslationTask;
struct XmlOption;
/**
* A Phrase class with an ID. Used specifically as source input so contains functionality to read
* from IODevice and create trans opt
*/
class Sentence : public Phrase, public InputType
{
protected:
/**
* Utility method that takes in a string representing an XML tag and the name of the attribute,
* and returns the value of that tag if present, empty string otherwise
*/
std::vector<XmlOption*> m_xmlOptions;
std::vector <bool> m_xmlCoverageMap;
NonTerminalSet m_defaultLabelSet;
void ProcessPlaceholders(const std::vector< std::pair<size_t, std::string> > &placeholders);
public:
Sentence();
Sentence(size_t const transId, std::string const& stext,
std::vector<FactorType> const* IFO = NULL);
// Sentence(size_t const transId, std::string const& stext);
~Sentence();
InputTypeEnum GetType() const {
return SentenceInput;
}
//! Calls Phrase::GetSubString(). Implements abstract InputType::GetSubString()
Phrase GetSubString(const WordsRange& r) const {
return Phrase::GetSubString(r);
}
//! Calls Phrase::GetWord(). Implements abstract InputType::GetWord()
const Word& GetWord(size_t pos) const {
return Phrase::GetWord(pos);
}
//! Calls Phrase::GetSize(). Implements abstract InputType::GetSize()
size_t GetSize() const {
return Phrase::GetSize();
}
//! Returns true if there were any XML tags parsed that at least partially covered the range passed
bool XmlOverlap(size_t startPos, size_t endPos) const;
//! populates vector argument with XML force translation options for the specific range passed
void GetXmlTranslationOptions(std::vector<TranslationOption*> &list) const;
void GetXmlTranslationOptions(std::vector<TranslationOption*> &list, size_t startPos, size_t endPos) const;
std::vector<ChartTranslationOptions*> GetXmlChartTranslationOptions() const;
virtual int Read(std::istream& in,const std::vector<FactorType>& factorOrder);
void Print(std::ostream& out) const;
TranslationOptionCollection*
CreateTranslationOptionCollection(ttasksptr const& ttask) const;
virtual void
CreateFromString(std::vector<FactorType> const &factorOrder,
std::string const& phraseString);
const NonTerminalSet&
GetLabelSet(size_t /*startPos*/, size_t /*endPos*/) const {
return m_defaultLabelSet;
}
void
init(std::string line, std::vector<FactorType> const& factorOrder);
private:
// auxliliary functions for Sentence initialization
// void aux_interpret_sgml_markup(std::string& line);
// void aux_interpret_dlt(std::string& line);
// void aux_interpret_xml (std::string& line, std::vector<size_t> & xmlWalls,
// std::vector<std::pair<size_t, std::string> >& placeholders);
void
aux_interpret_sgml_markup(std::string& line);
void
aux_interpret_dlt(std::string& line);
void
aux_interpret_xml
(std::string& line, std::vector<size_t> & xmlWalls,
std::vector<std::pair<size_t, std::string> >& placeholders);
void
aux_init_partial_translation(std::string& line);
};
}
#endif