mosesdecoder/moses/InputType.cpp
2015-12-11 01:09:22 +00:00

78 lines
2.1 KiB
C++

// $Id$
// vim:tabstop=2
/***********************************************************************
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
***********************************************************************/
#include <cstdlib>
#include "InputType.h"
#include "ChartTranslationOptions.h"
#include "StaticData.h"
namespace Moses
{
InputType::InputType(AllOptions::ptr const& opts, long translationId)
: m_options(opts)
, m_translationId(translationId)
, m_reorderingConstraint(opts->reordering.max_distortion)
{
m_frontSpanCoveredLength = 0;
m_sourceCompleted.resize(0);
}
InputType::~InputType() {}
TO_STRING_BODY(InputType);
std::ostream& operator<<(std::ostream& out,InputType const& x)
{
x.Print(out);
return out;
}
// default implementation is one column equals one word
int InputType::ComputeDistortionDistance(const Range& prev, const Range& current) const
{
int dist = 0;
if (prev.GetNumWordsCovered() == 0) {
dist = current.GetStartPos();
} else {
dist = (int)prev.GetEndPos() - (int)current.GetStartPos() + 1 ;
}
return abs(dist);
}
bool InputType::CanIGetFromAToB(size_t /*start*/, size_t /*end*/) const
{
return true;
}
std::vector <ChartTranslationOptions*> InputType::GetXmlChartTranslationOptions() const
{
// default. return nothing
std::vector <ChartTranslationOptions*> ret;
return ret;
}
}