mirror of
https://github.com/moses-smt/mosesdecoder.git
synced 2024-11-10 10:59:21 +03:00
106 lines
2.8 KiB
C++
106 lines
2.8 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
|
|
***********************************************************************/
|
|
|
|
#include <limits>
|
|
#include <iostream>
|
|
#include <sstream>
|
|
|
|
#include "SingleFactor.h"
|
|
#include "PointerState.h"
|
|
#include "moses/FF/FFState.h"
|
|
#include "moses/TypeDef.h"
|
|
#include "moses/Util.h"
|
|
#include "moses/FactorCollection.h"
|
|
#include "moses/Phrase.h"
|
|
#include "moses/StaticData.h"
|
|
#include "moses/FactorTypeSet.h"
|
|
|
|
using namespace std;
|
|
|
|
namespace Moses
|
|
{
|
|
|
|
LanguageModelSingleFactor::LanguageModelSingleFactor(const std::string &line)
|
|
:LanguageModelImplementation(line)
|
|
,m_factorType(0)
|
|
{
|
|
m_nullContextState = new PointerState(NULL);
|
|
m_beginSentenceState = new PointerState(NULL);
|
|
}
|
|
|
|
LanguageModelSingleFactor::~LanguageModelSingleFactor()
|
|
{
|
|
delete m_nullContextState;
|
|
delete m_beginSentenceState;
|
|
}
|
|
|
|
const FFState *LanguageModelSingleFactor::GetNullContextState() const
|
|
{
|
|
return m_nullContextState;
|
|
}
|
|
|
|
const FFState *LanguageModelSingleFactor::GetBeginSentenceState() const
|
|
{
|
|
return m_beginSentenceState;
|
|
}
|
|
|
|
FFState *LanguageModelSingleFactor::NewState(const FFState *from) const
|
|
{
|
|
return new PointerState(from ? static_cast<const PointerState*>(from)->lmstate : NULL);
|
|
}
|
|
|
|
LMResult LanguageModelSingleFactor::GetValueForgotState(const std::vector<const Word*> &contextFactor, FFState &outState) const
|
|
{
|
|
return GetValue(contextFactor, &static_cast<PointerState&>(outState).lmstate);
|
|
}
|
|
|
|
bool LanguageModelSingleFactor::IsUseable(const FactorMask &mask) const
|
|
{
|
|
bool ret = mask[m_factorType];
|
|
return ret;
|
|
}
|
|
|
|
void LanguageModelSingleFactor::SetParameter(const std::string& key, const std::string& value)
|
|
{
|
|
if (key == "factor") {
|
|
m_factorType = Scan<FactorType>(value);
|
|
} else {
|
|
LanguageModelImplementation::SetParameter(key, value);
|
|
}
|
|
}
|
|
|
|
std::string LanguageModelSingleFactor::DebugContextFactor(const std::vector<const Word*> &contextFactor) const
|
|
{
|
|
std::string ret;
|
|
for (size_t i = 0; i < contextFactor.size(); ++i) {
|
|
const Word &word = *contextFactor[i];
|
|
ret += word.ToString();
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
|