mosesdecoder/moses/Sentence.h
2012-11-12 19:56:18 +00:00

109 lines
3.2 KiB
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"
#include "XmlOption.h"
namespace Moses
{
class WordsRange;
class PhraseDictionary;
class TranslationOption;
class TranslationOptionCollection;
/**
* 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
{
private:
/**
* 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 <TranslationOption*> m_xmlOptionsList;
std::vector <bool> m_xmlCoverageMap;
NonTerminalSet m_defaultLabelSet;
void InitStartEndWord();
public:
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, size_t startPos, size_t endPos) const;
int Read(std::istream& in,const std::vector<FactorType>& factorOrder);
void Print(std::ostream& out) const;
TranslationOptionCollection* CreateTranslationOptionCollection(const TranslationSystem* system) const;
void CreateFromString(const std::vector<FactorType> &factorOrder
, const std::string &phraseString
, const std::string &factorDelimiter);
const NonTerminalSet &GetLabelSet(size_t /*startPos*/, size_t /*endPos*/) const {
return m_defaultLabelSet;
}
};
}
#endif