mosesdecoder/moses/TranslationModel/RuleTable/LoaderFactory.cpp
2015-01-07 10:01:10 +04:00

68 lines
2.2 KiB
C++

/***********************************************************************
Moses - statistical machine translation system
Copyright (C) 2006-2011 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 "LoaderFactory.h"
#include "moses/Util.h"
#include "moses/InputFileStream.h"
#include "LoaderCompact.h"
#include "LoaderHiero.h"
#include "LoaderStandard.h"
#include <sstream>
#include <iostream>
using namespace std;
namespace Moses
{
// Determines the rule table type by peeking inside the file then creates
// a suitable RuleTableLoader object.
std::auto_ptr<RuleTableLoader> RuleTableLoaderFactory::Create(
const std::string &path)
{
InputFileStream input(path);
std::string line;
bool cont = std::getline(input, line);
if (cont) {
std::vector<std::string> tokens;
Tokenize(tokens, line);
if (tokens.size() == 1) {
if (tokens[0] == "1") {
return std::auto_ptr<RuleTableLoader>(new RuleTableLoaderCompact());
}
std::cerr << "Unsupported compact rule table format: " << tokens[0];
return std::auto_ptr<RuleTableLoader>();
} else if (tokens[0] == "[X]" && tokens[1] == "|||") {
return std::auto_ptr<RuleTableLoader>(new
RuleTableLoaderHiero());
}
return std::auto_ptr<RuleTableLoader>(new RuleTableLoaderStandard());
} else {
// empty phrase table
return std::auto_ptr<RuleTableLoader>(new RuleTableLoaderStandard());
}
}
} // namespace Moses