mosesdecoder/moses/TranslationModel/PhraseDictionaryTreeAdaptor.cpp

116 lines
3.2 KiB
C++

// $Id$
#include "moses/TranslationModel/PhraseDictionaryTreeAdaptor.h"
#include <sys/stat.h>
#include <algorithm>
#include "moses/TranslationModel/PhraseDictionaryTree.h"
#include "moses/Phrase.h"
#include "moses/FactorCollection.h"
#include "moses/InputFileStream.h"
#include "moses/InputType.h"
#include "moses/ConfusionNet.h"
#include "moses/Sentence.h"
#include "moses/StaticData.h"
#include "moses/UniqueObject.h"
#include "moses/PDTAimp.h"
#include "moses/UserMessage.h"
namespace Moses
{
/*************************************************************
function definitions of the interface class
virtually everything is forwarded to the implementation class
*************************************************************/
PhraseDictionaryTreeAdaptor::
PhraseDictionaryTreeAdaptor(size_t numScoreComponent, unsigned numInputScores, const PhraseDictionaryFeature* feature)
: PhraseDictionary(numScoreComponent,feature), imp(new PDTAimp(this,numInputScores))
{
}
PhraseDictionaryTreeAdaptor::~PhraseDictionaryTreeAdaptor()
{
imp->CleanUp();
delete imp;
}
bool PhraseDictionaryTreeAdaptor::Load(const std::vector<FactorType> &input
, const std::vector<FactorType> &output
, const std::string &filePath
, const std::vector<float> &weight
, size_t tableLimit
, const LMList &languageModels
, float weightWP)
{
if(m_numScoreComponent!=weight.size()) {
std::stringstream strme;
strme << "ERROR: mismatch of number of scaling factors: "<<weight.size()
<<" "<<m_numScoreComponent<<"\n";
UserMessage::Add(strme.str());
return false;
}
// set PhraseDictionary members
m_tableLimit=tableLimit;
imp->Create(input,output,filePath,weight,languageModels);
return true;
}
void PhraseDictionaryTreeAdaptor::InitializeForInput(InputType const& source)
{
imp->CleanUp();
// caching only required for confusion net
if(ConfusionNet const* cn=dynamic_cast<ConfusionNet const*>(&source))
imp->CacheSource(*cn);
}
TargetPhraseCollection const*
PhraseDictionaryTreeAdaptor::GetTargetPhraseCollection(Phrase const &src) const
{
return imp->GetTargetPhraseCollection(src);
}
TargetPhraseCollection const*
PhraseDictionaryTreeAdaptor::GetTargetPhraseCollection(InputType const& src,WordsRange const &range) const
{
if(imp->m_rangeCache.empty()) {
return imp->GetTargetPhraseCollection(src.GetSubString(range));
} else {
return imp->m_rangeCache[range.GetStartPos()][range.GetEndPos()];
}
}
void PhraseDictionaryTreeAdaptor::EnableCache()
{
imp->useCache=1;
}
void PhraseDictionaryTreeAdaptor::DisableCache()
{
imp->useCache=0;
}
size_t PhraseDictionaryTreeAdaptor::GetNumInputScores() const
{
return imp->GetNumInputScores();
}
std::string PhraseDictionaryTreeAdaptor::GetScoreProducerDescription(unsigned idx) const{
if (idx < imp->GetNumInputScores()){
return "InputScore";
}else{
return "PhraseModel";
}
}
std::string PhraseDictionaryTreeAdaptor::GetScoreProducerWeightShortName() const
{
return "tm";
}
}