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/***********************************************************************
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 "RuleTableLoaderFactory.h"
#include "InputFileStream.h"
#include "RuleTableLoaderCompact.h"
#include "RuleTableLoaderHiero.h"
#include "RuleTableLoaderStandard.h"
#include "UserMessage.h"
#include "Util.h"
#include <sstream>
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;
std::getline(input, line);
std::vector<std::string> tokens;
Tokenize(tokens, line);
if (tokens.size() == 1) {
if (tokens[0] == "1") {
return std::auto_ptr<RuleTableLoader>(new RuleTableLoaderCompact());
}
std::stringstream msg;
msg << "Unsupported compact rule table format: " << tokens[0];
UserMessage::Add(msg.str());
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());
}
} // namespace Moses
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