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// -*- 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
***********************************************************************/
#pragma once
#include <vector>
#include <string>
#include <cstdlib>
#include "Sentence.h"
namespace Moses
{
/**
* Adds a vector of strings to Sentence that are filled from tab-separated input.
* The first column is just treated as the normal input sentence with all the XML
* processing and stuff. Then it contains a vector of strings that contains all
* other columns.
*
* Aany feature function can do anything with any column. Ideally, feature
* functions should keep the parse results for the columns in thread-specific
* storage, e.g. boost::thread_specific_ptr<Something>.
*
* In theory a column can contain anything, even text-serialized parse trees or
* classifier features as long it can be represented as text and does not contain
* tab characters.
*
*/
typedef std::vector<std::string> TabbedColumns;
class TranslationTask;
class TabbedSentence : public Sentence
{
public:
TabbedSentence(AllOptions::ptr const& opts) : Sentence(opts) {}
~TabbedSentence() {}
InputTypeEnum GetType() const {
return TabbedSentenceInput;
}
// Splits off the first tab-separated column and passes it to
// Sentence::CreateFromString(...), the remaining columns are stored in
// m_columns .
virtual void CreateFromString(const std::vector<FactorType> &factorOrder
, const std::string &tabbedString);
virtual int
Read(std::istream& in);
const TabbedColumns& GetColumns() const {
return m_columns;
}
const std::string& GetColumn(size_t i) const {
UTIL_THROW_IF2(m_columns.size() <= i,
"There is no column with index " << i);
return m_columns[i];
}
private:
TabbedColumns m_columns;
};
}
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