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/***********************************************************************
Moses - factored phrase-based language decoder
Copyright (C) 2011- University of Edinburgh
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
***********************************************************************/
#include <iostream>
#include "util/file_piece.hh"
#include "util/tokenize_piece.hh"
#include "ScoreArray.h"
#include "ScoreDataIterator.h"
using namespace std;
using namespace util;
namespace MosesTuning
{
ScoreDataIterator::ScoreDataIterator() {}
ScoreDataIterator::ScoreDataIterator(const string& filename)
{
m_in.reset(new FilePiece(filename.c_str()));
readNext();
}
ScoreDataIterator::~ScoreDataIterator() {}
void ScoreDataIterator::readNext()
{
m_next.clear();
try {
StringPiece marker = m_in->ReadDelimited();
if (marker != StringPiece(SCORES_TXT_BEGIN)) {
throw FileFormatException(m_in->FileName(), marker.as_string());
}
// size_t sentenceId =
m_in->ReadULong();
size_t count = m_in->ReadULong();
size_t length = m_in->ReadULong();
m_in->ReadLine(); //ignore rest of line
for (size_t i = 0; i < count; ++i) {
StringPiece line = m_in->ReadLine();
m_next.push_back(ScoreDataItem());
for (TokenIter<AnyCharacter, true> token(line,AnyCharacter(" \t")); token; ++token) {
float value = ParseFloat(*token);
m_next.back().push_back(value);
}
if (length != m_next.back().size()) {
throw FileFormatException(m_in->FileName(), line.as_string());
}
}
StringPiece line = m_in->ReadLine();
if (line != StringPiece(SCORES_TXT_END)) {
throw FileFormatException(m_in->FileName(), line.as_string());
}
} catch (EndOfFileException& e) {
m_in.reset();
}
}
void ScoreDataIterator::increment()
{
readNext();
}
bool ScoreDataIterator::equal(const ScoreDataIterator& rhs) const
{
if (!m_in && !rhs.m_in) {
return true;
} else if (!m_in) {
return false;
} else if (!rhs.m_in) {
return false;
} else {
return m_in->FileName() == rhs.m_in->FileName() &&
m_in->Offset() == rhs.m_in->Offset();
}
}
const vector<ScoreDataItem>& ScoreDataIterator::dereference() const
{
return m_next;
}
}
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