mirror of
https://github.com/moses-smt/mosesdecoder.git
synced 2024-12-28 22:45:50 +03:00
102 lines
2.4 KiB
C++
102 lines
2.4 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
|
|
***********************************************************************/
|
|
|
|
#ifndef moses_DecodeGraph_h
|
|
#define moses_DecodeGraph_h
|
|
|
|
#include "util/exception.hh"
|
|
#include <list>
|
|
#include <iterator>
|
|
#include "TypeDef.h"
|
|
|
|
namespace Moses
|
|
{
|
|
|
|
class DecodeStep;
|
|
|
|
//! list of DecodeSteps which factorizes the translation
|
|
class DecodeGraph
|
|
{
|
|
protected:
|
|
std::list<const DecodeStep*> m_steps;
|
|
size_t m_id; // contiguous unique id, starting from 0
|
|
size_t m_maxChartSpan;
|
|
size_t m_backoff;
|
|
|
|
public:
|
|
/**
|
|
* position: The position of this graph within the decode sequence.
|
|
**/
|
|
DecodeGraph(size_t id)
|
|
: m_id(id)
|
|
, m_maxChartSpan(NOT_FOUND)
|
|
, m_backoff(0) {
|
|
}
|
|
|
|
// for chart decoding
|
|
DecodeGraph(size_t id, size_t maxChartSpan)
|
|
: m_id(id)
|
|
, m_maxChartSpan(maxChartSpan) {
|
|
}
|
|
|
|
//! iterators
|
|
typedef std::list<const DecodeStep*>::iterator iterator;
|
|
typedef std::list<const DecodeStep*>::const_iterator const_iterator;
|
|
const_iterator begin() const {
|
|
return m_steps.begin();
|
|
}
|
|
const_iterator end() const {
|
|
return m_steps.end();
|
|
}
|
|
|
|
virtual ~DecodeGraph();
|
|
|
|
//! Add another decode step to the graph
|
|
void Add(DecodeStep *decodeStep);
|
|
|
|
size_t GetSize() const {
|
|
return m_steps.size();
|
|
}
|
|
|
|
size_t GetMaxChartSpan() const {
|
|
UTIL_THROW_IF2(m_maxChartSpan == NOT_FOUND, "Max chart span not specified");
|
|
return m_maxChartSpan;
|
|
}
|
|
|
|
size_t GetBackoff() const {
|
|
return m_backoff;
|
|
}
|
|
|
|
void SetBackoff(size_t backoff) {
|
|
m_backoff = backoff;
|
|
}
|
|
|
|
size_t GetId() const {
|
|
return m_id;
|
|
}
|
|
|
|
};
|
|
|
|
|
|
}
|
|
#endif
|