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/*
* ScoreArray.cpp
* mert - Minimum Error Rate Training
*
* Created by Nicola Bertoldi on 13/05/08.
*
*/
#include "ScoreArray.h"
#include "Util.h"
#include "FileStream.h"
using namespace std;
namespace MosesTuning
{
ScoreArray::ScoreArray()
: m_num_scores(0), m_index(0) {}
void ScoreArray::savetxt(ostream* os, const string& sctype)
{
*os << SCORES_TXT_BEGIN << " " << m_index << " " << m_array.size()
<< " " << m_num_scores << " " << sctype << endl;
for (scorearray_t::iterator i = m_array.begin(); i !=m_array.end(); i++) {
i->savetxt(os);
*os << endl;
}
*os << SCORES_TXT_END << endl;
}
void ScoreArray::savebin(ostream* os, const string& score_type)
{
*os << SCORES_BIN_BEGIN << " " << m_index << " " << m_array.size()
<< " " << m_num_scores << " " << score_type << endl;
for (scorearray_t::iterator i = m_array.begin();
i != m_array.end(); i++) {
i->savebin(os);
}
*os << SCORES_BIN_END << endl;
}
void ScoreArray::save(ostream* os, const string& score_type, bool bin)
{
if (size() <= 0) return;
if (bin) {
savebin(os, score_type);
} else {
savetxt(os, score_type);
}
}
void ScoreArray::save(const string &file, const string& score_type, bool bin)
{
ofstream ofs(file.c_str(), ios::out);
if (!ofs) {
cerr << "Failed to open " << file << endl;
exit(1);
}
ostream* os = &ofs;
save(os, score_type, bin);
ofs.close();
}
void ScoreArray::save(const string& score_type, bool bin)
{
save(&cout, score_type, bin);
}
void ScoreArray::loadbin(istream* is, size_t n)
{
ScoreStats entry(m_num_scores);
for (size_t i = 0; i < n; i++) {
entry.loadbin(is);
add(entry);
}
}
void ScoreArray::loadtxt(istream* is, size_t n)
{
ScoreStats entry(m_num_scores);
for (size_t i = 0; i < n; i++) {
entry.loadtxt(is);
add(entry);
}
}
void ScoreArray::load(istream* is)
{
size_t number_of_entries = 0;
bool binmode = false;
string substring, stringBuf;
string::size_type loc;
getline(*is, stringBuf);
if (!is->good()) {
return;
}
if (!stringBuf.empty()) {
if ((loc = stringBuf.find(SCORES_TXT_BEGIN)) == 0) {
binmode=false;
} else if ((loc = stringBuf.find(SCORES_BIN_BEGIN)) == 0) {
binmode=true;
} else {
TRACE_ERR("ERROR: ScoreArray::load(): Wrong header");
return;
}
getNextPound(stringBuf, substring);
getNextPound(stringBuf, substring);
m_index = atoi(substring.c_str());
getNextPound(stringBuf, substring);
number_of_entries = atoi(substring.c_str());
getNextPound(stringBuf, substring);
m_num_scores = atoi(substring.c_str());
getNextPound(stringBuf, substring);
m_score_type = substring;
}
if (binmode) {
loadbin(is, number_of_entries);
} else {
loadtxt(is, number_of_entries);
}
getline(*is, stringBuf);
if (!stringBuf.empty()) {
if ((loc = stringBuf.find(SCORES_TXT_END)) != 0 &&
(loc = stringBuf.find(SCORES_BIN_END)) != 0) {
TRACE_ERR("ERROR: ScoreArray::load(): Wrong footer");
return;
}
}
}
void ScoreArray::load(const string &file)
{
TRACE_ERR("loading data from " << file << endl);
inputfilestream input_stream(file); // matches a stream with a file. Opens the file
istream* is = &input_stream;
load(is);
input_stream.close();
}
void ScoreArray::merge(ScoreArray& e)
{
//dummy implementation
for (size_t i=0; i<e.size(); i++)
add(e.get(i));
}
bool ScoreArray::check_consistency() const
{
const size_t sz = NumberOfScores();
if (sz == 0)
return true;
for (scorearray_t::const_iterator i = m_array.begin();
i != m_array.end(); ++i) {
if (i->size() != sz)
return false;
}
return true;
}
}
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