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/*
* ScoreData.cpp
* mert - Minimum Error Rate Training
*
* Created by Nicola Bertoldi on 13/05/08.
*
*/
#include "ScoreData.h"
#include <iostream>
#include <fstream>
#include "Scorer.h"
#include "Util.h"
#include "FileStream.h"
using namespace std;
namespace MosesTuning
{
ScoreData::ScoreData(Scorer* scorer) :
m_scorer(scorer)
{
m_score_type = m_scorer->getName();
// This is not dangerous: we don't use the this pointer in SetScoreData.
m_scorer->setScoreData(this);
m_num_scores = m_scorer->NumberOfScores();
// TRACE_ERR("ScoreData: m_num_scores: " << m_num_scores << std::endl);
}
void ScoreData::save(ostream* os, bool bin)
{
for (scoredata_t::iterator i = m_array.begin();
i != m_array.end(); ++i) {
i->save(os, m_score_type, bin);
}
}
void ScoreData::save(const string &file, bool bin)
{
if (file.empty()) return;
TRACE_ERR("saving the array into " << file << endl);
// matches a stream with a file. Opens the file.
ofstream ofs(file.c_str(), ios::out);
ostream* os = &ofs;
save(os, bin);
ofs.close();
}
void ScoreData::save(bool bin) {
save(&cout, bin);
}
void ScoreData::load(istream* is)
{
ScoreArray entry;
while (!is->eof()) {
if (!is->good()) {
cerr << "ERROR ScoreData::load inFile.good()" << endl;
}
entry.clear();
entry.load(is);
if (entry.size() == 0) {
break;
}
add(entry);
}
}
void ScoreData::load(const string &file)
{
TRACE_ERR("loading score data from " << file << endl);
inputfilestream input_stream(file); // matches a stream with a file. Opens the file
if (!input_stream) {
throw runtime_error("Unable to open score file: " + file);
}
istream* is = &input_stream;
load(is);
input_stream.close();
}
void ScoreData::add(ScoreArray& e)
{
if (exists(e.getIndex())) { // array at position e.getIndex() already exists
//enlarge array at position e.getIndex()
size_t pos = getIndex(e.getIndex());
m_array.at(pos).merge(e);
} else {
m_array.push_back(e);
setIndex();
}
}
void ScoreData::add(const ScoreStats& e, const string& sent_idx)
{
if (exists(sent_idx)) { // array at position e.getIndex() already exists
// Enlarge array at position e.getIndex()
size_t pos = getIndex(sent_idx);
// TRACE_ERR("Inserting in array " << sent_idx << std::endl);
m_array.at(pos).add(e);
// TRACE_ERR("size: " << size() << " -> " << a.size() << std::endl);
} else {
// TRACE_ERR("Creating a new entry in the array" << std::endl);
ScoreArray a;
a.NumberOfScores(m_num_scores);
a.add(e);
a.setIndex(sent_idx);
size_t idx = m_array.size();
m_array.push_back(a);
m_index_to_array_name[idx] = sent_idx;
m_array_name_to_index[sent_idx]=idx;
// TRACE_ERR("size: " << size() << " -> " << a.size() << std::endl);
}
}
bool ScoreData::check_consistency() const
{
if (m_array.size() == 0)
return true;
for (scoredata_t::const_iterator i = m_array.begin(); i != m_array.end(); ++i)
if (!i->check_consistency()) return false;
return true;
}
void ScoreData::setIndex()
{
size_t j = 0;
for (scoredata_t::iterator i = m_array.begin(); i != m_array.end(); ++i) {
m_index_to_array_name[j] = i->getIndex();
m_array_name_to_index[i->getIndex()]=j;
j++;
}
}
}
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