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// vim:tabstop=2
#include <stdlib.h>
#include "TransliterationPhraseDictionary.h"
#include "moses/TranslationModel/CYKPlusParser/ChartRuleLookupManagerSkeleton.h"
using namespace std;
namespace Moses
{
TransliterationPhraseDictionary::TransliterationPhraseDictionary(const std::string &line)
: PhraseDictionary(line)
{
ReadParameters();
}
void TransliterationPhraseDictionary::CleanUpAfterSentenceProcessing(const InputType& source)
{
RemoveAllInColl(m_allTPColl);
}
void TransliterationPhraseDictionary::GetTargetPhraseCollectionBatch(const InputPathList &inputPathQueue) const
{
string mosesDir = "/home/hieu/workspace/github/mosesdecoder";
string scriptDir = mosesDir + "/scripts";
string externalDir = "/home/hieu/workspace/bin/training-tools";
string modelDir = "/home/hieu/workspace/experiment/data/issues/transliteration/Transliteration.3";
string inputLang = "en";
string outputLang = "ar";
InputPathList::const_iterator iter;
for (iter = inputPathQueue.begin(); iter != inputPathQueue.end(); ++iter) {
InputPath &inputPath = **iter;
const Phrase &sourcePhrase = inputPath.GetPhrase();
if (sourcePhrase.GetSize() != 1) {
// only translit single words. This should be user configurable
continue;
}
InputPath::TargetPhrases::const_iterator iter;
for (iter = inputPath.GetTargetPhrases().begin(); iter != inputPath.GetTargetPhrases().end(); ++iter) {
const std::pair<const TargetPhraseCollection*, const void*> &temp = iter->second;
const TargetPhraseCollection *tpCollPrev = temp.first;
if (tpCollPrev && tpCollPrev->GetSize()) {
// already have translation from another pt. Don't transliterate
break;
}
// TRANSLITERATE
char *ptr = tmpnam(NULL);
string inFile(ptr);
ptr = tmpnam(NULL);
string outDir(ptr);
ofstream inStream(inFile.c_str());
inStream << sourcePhrase.ToString() << endl;
inStream.close();
string cmd = scriptDir + "/Transliteration/prepare-transliteration-phrase-table.pl" +
" --transliteration-model-dir " + modelDir +
" --moses-src-dir " + mosesDir +
" --external-bin-dir " + externalDir +
" --input-extension " + inputLang +
" --output-extension " + outputLang +
" --oov-file " + inFile +
" --out-dir " + outDir;
int ret = system(cmd.c_str());
UTIL_THROW_IF2(ret != 0, "Transliteration script error");
TargetPhraseCollection *tpColl = new TargetPhraseCollection();
vector<TargetPhrase*> targetPhrases = CreateTargetPhrases(sourcePhrase, outDir);
vector<TargetPhrase*>::const_iterator iter;
for (iter = targetPhrases.begin(); iter != targetPhrases.end(); ++iter) {
TargetPhrase *tp = *iter;
tpColl->Add(tp);
}
m_allTPColl.push_back(tpColl);
inputPath.SetTargetPhrases(*this, tpColl, NULL);
remove(inFile.c_str());
cmd = "rm -rf " + outDir;
system(cmd.c_str());
}
}
}
std::vector<TargetPhrase*> TransliterationPhraseDictionary::CreateTargetPhrases(const Phrase &sourcePhrase, const string &outDir) const
{
std::vector<TargetPhrase*> ret;
string outPath = outDir + "/out.txt";
ifstream outStream(outPath.c_str());
string line;
while (getline(outStream, line)) {
vector<string> toks;
Tokenize(toks, line, "\t");
UTIL_THROW_IF2(toks.size() != 2, "Error in transliteration output file. Expecting word\tscore");
TargetPhrase *tp = new TargetPhrase();
Word &word = tp->AddWord();
word.CreateFromString(Output, m_output, toks[0], false);
float score = Scan<float>(toks[1]);
tp->GetScoreBreakdown().PlusEquals(this, score);
// score of all other ff when this rule is being loaded
tp->Evaluate(sourcePhrase, GetFeaturesToApply());
ret.push_back(tp);
}
outStream.close();
return ret;
}
ChartRuleLookupManager* TransliterationPhraseDictionary::CreateRuleLookupManager(const ChartParser &parser,
const ChartCellCollectionBase &cellCollection)
{
return NULL;
//return new ChartRuleLookupManagerSkeleton(parser, cellCollection, *this);
}
TO_STRING_BODY(TransliterationPhraseDictionary);
// friend
ostream& operator<<(ostream& out, const TransliterationPhraseDictionary& phraseDict)
{
return out;
}
}
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