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// vim:tabstop=2
#include "SkeletonPT.h"
#include "moses/TranslationModel/CYKPlusParser/ChartRuleLookupManagerSkeleton.h"
using namespace std;
namespace Moses
{
SkeletonPT::SkeletonPT(const std::string &line)
: PhraseDictionary(line, true)
{
ReadParameters();
}
void SkeletonPT::Load()
{
SetFeaturesToApply();
}
void SkeletonPT::InitializeForInput(ttasksptr const& ttask)
{
ReduceCache();
}
void SkeletonPT::GetTargetPhraseCollectionBatch(const InputPathList &inputPathQueue) const
{
CacheColl &cache = GetCache();
InputPathList::const_iterator iter;
for (iter = inputPathQueue.begin(); iter != inputPathQueue.end(); ++iter) {
InputPath &inputPath = **iter;
const Phrase &sourcePhrase = inputPath.GetPhrase();
TargetPhrase *tp = CreateTargetPhrase(sourcePhrase);
TargetPhraseCollection::shared_ptr tpColl(new TargetPhraseCollection);
tpColl->Add(tp);
// add target phrase to phrase-table cache
size_t hash = hash_value(sourcePhrase);
std::pair<TargetPhraseCollection::shared_ptr, clock_t>
value(tpColl, clock());
cache[hash] = value;
inputPath.SetTargetPhrases(*this, tpColl, NULL);
}
}
TargetPhrase *SkeletonPT::CreateTargetPhrase(const Phrase &sourcePhrase) const
{
// create a target phrase from the 1st word of the source, prefix with 'SkeletonPT:'
assert(sourcePhrase.GetSize());
assert(m_output.size() == 1);
string str = sourcePhrase.GetWord(0).GetFactor(0)->GetString().as_string();
str = "SkeletonPT:" + str;
TargetPhrase *tp = new TargetPhrase(this);
Word &word = tp->AddWord();
word.CreateFromString(Output, m_output, str, false);
// score for this phrase table
vector<float> scores(m_numScoreComponents, 1.3);
tp->GetScoreBreakdown().PlusEquals(this, scores);
// score of all other ff when this rule is being loaded
tp->EvaluateInIsolation(sourcePhrase, GetFeaturesToApply());
return tp;
}
ChartRuleLookupManager* SkeletonPT::CreateRuleLookupManager(const ChartParser &parser,
const ChartCellCollectionBase &cellCollection,
std::size_t /*maxChartSpan*/)
{
return new ChartRuleLookupManagerSkeleton(parser, cellCollection, *this);
}
TO_STRING_BODY(SkeletonPT);
// friend
ostream& operator<<(ostream& out, const SkeletonPT& phraseDict)
{
return out;
}
}
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