2011-11-14 22:32:36 +04:00
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// $Id$
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// vim:tabstop=2
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/***********************************************************************
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Moses - factored phrase-based language decoder
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Copyright (C) 2011- University of Edinburgh
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with this library; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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***********************************************************************/
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2011-11-15 02:18:22 +04:00
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#include <iostream>
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#include <sstream>
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2011-11-14 22:32:36 +04:00
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2011-11-15 02:18:22 +04:00
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#include "util/string_piece.hh"
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#include "util/tokenize_piece.hh"
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#include "FeatureArray.h"
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2011-11-14 22:32:36 +04:00
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#include "FeatureDataIterator.h"
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2011-11-15 02:18:22 +04:00
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2011-11-14 22:32:36 +04:00
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using namespace std;
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2011-11-15 02:18:22 +04:00
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using namespace util;
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FeatureDataIterator::FeatureDataIterator() {}
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2011-11-14 22:32:36 +04:00
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FeatureDataIterator::FeatureDataIterator(const string filename) {
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2011-11-15 02:18:22 +04:00
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m_in.reset(new FilePiece(filename.c_str()));
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readNext();
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2011-11-14 22:32:36 +04:00
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}
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2011-11-15 02:18:22 +04:00
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void FeatureDataIterator::readNext() {
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try {
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StringPiece marker = m_in->ReadDelimited();
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if (marker != StringPiece(FEATURES_TXT_BEGIN)) {
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throw FileFormatException(m_in->FileName(), marker.as_string());
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}
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size_t sentenceId = m_in->ReadULong();
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size_t count = m_in->ReadULong();
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cerr << "Expecting " << count << endl;
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m_in->ReadLine(); //discard rest of line
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for (size_t i = 0; i < count; ++i) {
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StringPiece line = m_in->ReadLine();
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for (util::TokenIter<util::AnyCharacter, true> token(line, util::AnyCharacter(" \t")); token; ++token) {
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//TODO: Create FeatureDataItem
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char* err_ind;
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float value = static_cast<float>(strtod(token->data(), &err_ind));
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if (err_ind == token->data()) {
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throw FileFormatException(m_in->FileName(), line.as_string());
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}
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cerr << value << ",";
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}
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cerr << "\n";
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}
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StringPiece line = m_in->ReadLine();
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if (line != StringPiece(FEATURES_TXT_END)) {
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throw FileFormatException(m_in->FileName(), line.as_string());
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}
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} catch (EndOfFileException &e) {
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m_in.reset();
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}
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}
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2011-11-14 22:32:36 +04:00
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2011-11-15 02:18:22 +04:00
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void FeatureDataIterator::increment() {
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readNext();
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2011-11-14 22:32:36 +04:00
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}
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bool FeatureDataIterator::equal(const FeatureDataIterator& rhs) const {
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2011-11-15 02:18:22 +04:00
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if (!m_in && !rhs.m_in) {
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return true;
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} else if (!m_in) {
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return false;
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} else if (!rhs.m_in) {
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return false;
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} else {
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return m_in->FileName() == rhs.m_in->FileName() &&
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m_in->Offset() == rhs.m_in->Offset();
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}
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2011-11-14 22:32:36 +04:00
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}
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const vector<FeatureDataItem>& FeatureDataIterator::dereference() const {
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2011-11-15 02:18:22 +04:00
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return m_next;
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2011-11-14 22:32:36 +04:00
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}
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