void ScoreStats::Copy(const ScoreStats &stats)
{
m_available_size = stats.available();
m_entries = stats.size();
m_array = new ScoreStatsType[m_available_size];
memcpy(m_array, stats.getArray(), GetArraySizeWithBytes());
}
int main(int argc, char **argv)
{
if (argc == 1) {
cerr << "Usage: ./sentence-bleu ref1 [ref2 ...] < candidate > bleu-scores" << endl;
return 1;
}
vector<string> refFiles(argv + 1, argv + argc);
// TODO all of these are empty for now
string config;
string factors;
string filter;
BleuScorer scorer(config);
scorer.setFactors(factors);
scorer.setFilter(filter);
// initialize reference streams
vector<boost::shared_ptr<ifstream> > refStreams;
for (vector<string>::const_iterator refFile=refFiles.begin(); refFile!=refFiles.end(); ++refFile) {
TRACE_ERR("Loading reference from " << *refFile << endl);
boost::shared_ptr<ifstream> ifs(new ifstream(refFile->c_str()));
UTIL_THROW_IF2(!ifs, "Cannot open " << *refFile);
refStreams.push_back(ifs);
}
// load sentences, preparing statistics, score
string hypothesisLine;
size_t sid = 0;
while (getline(std::cin, hypothesisLine)) {
Reference ref;
if (!scorer.GetNextReferenceFromStreams(refStreams, ref)) {
UTIL_THROW2("Missing references");
}
ScoreStats scoreStats;
scorer.CalcBleuStats(ref, hypothesisLine, scoreStats);
vector<float> stats(scoreStats.getArray(), scoreStats.getArray() + scoreStats.size());
std::cout << smoothedSentenceBleu(stats) << std::endl;
++sid;
}
return 0;
}