mirror of
https://github.com/moses-smt/mosesdecoder.git
synced 2024-08-16 23:10:31 +03:00
67 lines
1.8 KiB
C++
67 lines
1.8 KiB
C++
#include <fstream>
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#include <iostream>
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#include <vector>
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#include <string>
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#include <boost/shared_ptr.hpp>
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#include "BleuScorer.h"
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#include "Reference.h"
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#include "moses/Util.h"
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#include "util/exception.hh"
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using namespace MosesTuning;
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int main(int argc, char **argv)
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{
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if (argc == 1) {
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std::cerr << "Usage: ./sentence-bleu-nbest ref1 [ref2 ...] < plain-nbest > bleu-scores" << std::endl;
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return 1;
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}
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std::vector<std::string> refFiles(argv + 1, argv + argc);
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// TODO all of these are empty for now
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std::string config;
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std::string factors;
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std::string filter;
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BleuScorer scorer(config);
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scorer.setFactors(factors);
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scorer.setFilter(filter);
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// initialize reference streams
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std::vector<boost::shared_ptr<std::ifstream> > refStreams;
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for (std::vector<std::string>::const_iterator refFile=refFiles.begin(); refFile!=refFiles.end(); ++refFile) {
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TRACE_ERR("Loading reference from " << *refFile << std::endl);
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boost::shared_ptr<std::ifstream> ifs(new std::ifstream(refFile->c_str()));
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UTIL_THROW_IF2(!ifs, "Cannot open " << *refFile);
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refStreams.push_back(ifs);
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}
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// load sentences, preparing statistics, score
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std::string nbestLine;
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int sid = -1;
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Reference ref;
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while ( getline(std::cin, nbestLine) ) {
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std::vector<std::string> items;
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Moses::TokenizeMultiCharSeparator(items, nbestLine, " ||| ");
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int sidCurrent = Moses::Scan<int>(items[0]);
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if (sidCurrent != sid) {
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ref.clear();
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if (!scorer.GetNextReferenceFromStreams(refStreams, ref)) {
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UTIL_THROW2("Missing references");
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}
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sid = sidCurrent;
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}
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ScoreStats scoreStats;
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scorer.CalcBleuStats(ref, items[1], scoreStats);
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std::vector<float> stats(scoreStats.getArray(), scoreStats.getArray() + scoreStats.size());
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std::cout << smoothedSentenceBleu(stats) << std::endl;
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}
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return 0;
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}
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