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/*
* DynamicPhraseTable.cpp
*
* Created on: 28 Oct 2015
* Author: hieu
*/
#include <cassert>
#include <sstream>
#include <boost/foreach.hpp>
#include "DynamicPhraseTable.h"
#include "../../PhraseBased/PhraseImpl.h"
#include "../../Phrase.h"
#include "../../System.h"
#include "../../Scores.h"
#include "../../InputPathsBase.h"
#include "../../legacy/InputFileStream.h"
#include "util/exception.hh"
#include "../../PhraseBased/InputPath.h"
#include "../../PhraseBased/TargetPhraseImpl.h"
#include "../../PhraseBased/TargetPhrases.h"
#include "../../PhraseBased/SentenceWithCandidates.h"
#include "../../SCFG/PhraseImpl.h"
#include "../../SCFG/TargetPhraseImpl.h"
#include "../../SCFG/InputPath.h"
#include "../../SCFG/Stack.h"
#include "../../SCFG/Stacks.h"
#include "../../SCFG/Manager.h"
#include "../../PhraseBased/SentenceWithCandidates.h"
#include "../../PhraseBased/Manager.h"
using namespace std;
namespace Moses2
{
thread_local DynamicPhraseTable::PBNODE DynamicPhraseTable::m_rootPb;
////////////////////////////////////////////////////////////////////////
DynamicPhraseTable::DynamicPhraseTable(size_t startInd, const std::string &line)
:PhraseTable(startInd, line)
{
ReadParameters();
}
DynamicPhraseTable::~DynamicPhraseTable()
{
m_rootPb.CleanNode();
}
void DynamicPhraseTable::CreatePTForInput(const ManagerBase &mgr, string phraseTableString)
{
//cerr << "In CreatePTForInput" << endl << flush;
const System &system = mgr.system;
FactorCollection &vocab = system.GetVocab();
MemPool &pool = mgr.GetPool();
MemPool tmpSourcePool;
if (system.isPb) {
//m_rootPb = new PBNODE();
} else {
abort();
//cerr << "m_rootSCFG=" << m_rootSCFG << endl;
}
vector<string> toks;
size_t lineNum = 0;
istringstream strme(phraseTableString);
string line;
while (getline(strme, line)) {
if (++lineNum % 1000000 == 0) {
cerr << lineNum << " ";
}
toks.clear();
TokenizeMultiCharSeparator(toks, line, "|||");
UTIL_THROW_IF2(toks.size() < 3, "Wrong format");
//cerr << "line=" << line << endl;
//cerr << "system.isPb=" << system.isPb << endl;
if (system.isPb) {
PhraseImpl *source = PhraseImpl::CreateFromString(tmpSourcePool, vocab, system,
toks[0]);
//cerr << "created soure" << endl;
TargetPhraseImpl *target = TargetPhraseImpl::CreateFromString(pool, *this, system,
toks[1]);
//cerr << "created target" << endl;
target->GetScores().CreateFromString(toks[2], *this, system, true);
//cerr << "created scores:" << *target << endl;
if (toks.size() >= 4) {
//cerr << "alignstr=" << toks[3] << endl;
target->SetAlignmentInfo(toks[3]);
}
// properties
if (toks.size() == 7) {
//target->properties = (char*) system.systemPool.Allocate(toks[6].size() + 1);
//strcpy(target->properties, toks[6].c_str());
}
system.featureFunctions.EvaluateInIsolation(pool, system, *source,
*target);
//cerr << "EvaluateInIsolation:" << target->Debug(system) << endl;
m_rootPb.AddRule(m_input, *source, target);
//cerr << "target=" << target->Debug(system) << endl;
} else {
abort();
}
}
if (system.isPb) {
m_rootPb.SortAndPrune(m_tableLimit, pool, system);
//cerr << "root=" << &m_rootPb << endl;
} else {
abort();
}
/*
BOOST_FOREACH(const PtMem::Node<Word>::Children::value_type &valPair, m_rootPb.GetChildren()) {
const Word &word = valPair.first;
cerr << word << " ";
}
cerr << endl;
*/
}
void DynamicPhraseTable::InitializeForInput(const ManagerBase &mgr, const InputType &input)
{
// downcast to SentenceWithCandidates
const SentenceWithCandidates &inputObj = static_cast<const SentenceWithCandidates&>(input);
CreatePTForInput(mgr, inputObj.getPhraseTableString());
}
TargetPhrases* DynamicPhraseTable::Lookup(const Manager &mgr, MemPool &pool,
InputPath &inputPath) const
{
const SubPhrase<Moses2::Word> &phrase = inputPath.subPhrase;
TargetPhrases *tps = m_rootPb.Find(m_input, phrase);
return tps;
}
void DynamicPhraseTable::CleanUpAfterSentenceProcessing(const System &system, const InputType &input) const {
m_rootPb.CleanNode(); //TODO : clean this
}
void DynamicPhraseTable::InitActiveChart(
MemPool &pool,
const SCFG::Manager &mgr,
SCFG::InputPath &path) const
{
abort();
}
void DynamicPhraseTable::Lookup(MemPool &pool,
const SCFG::Manager &mgr,
size_t maxChartSpan,
const SCFG::Stacks &stacks,
SCFG::InputPath &path) const
{
abort();
}
void DynamicPhraseTable::LookupGivenNode(
MemPool &pool,
const SCFG::Manager &mgr,
const SCFG::ActiveChartEntry &prevEntry,
const SCFG::Word &wordSought,
const Moses2::Hypotheses *hypos,
const Moses2::Range &subPhraseRange,
SCFG::InputPath &outPath) const
{
abort();
}
}
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