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/***********************************************************************
Moses - statistical machine translation system
Copyright (C) 2006-2012 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 "tool.h"
#include <sstream>
namespace MosesTraining {
namespace Syntax {
namespace PCFG {
std::istream &Tool::OpenInputOrDie(const std::string &filename) {
// TODO Check that function is only called once?
if (filename.empty() || filename == "-") {
input_ptr_ = &(std::cin);
} else {
input_file_stream_.open(filename.c_str());
if (!input_file_stream_) {
std::ostringstream msg;
msg << "failed to open input file: " << filename;
Error(msg.str());
}
input_ptr_ = &input_file_stream_;
}
return *input_ptr_;
}
std::ostream &Tool::OpenOutputOrDie(const std::string &filename) {
// TODO Check that function is only called once?
if (filename.empty() || filename == "-") {
output_ptr_ = &(std::cout);
} else {
output_file_stream_.open(filename.c_str());
if (!output_file_stream_) {
std::ostringstream msg;
msg << "failed to open output file: " << filename;
Error(msg.str());
}
output_ptr_ = &output_file_stream_;
}
return *output_ptr_;
}
void Tool::OpenNamedInputOrDie(const std::string &filename,
std::ifstream &stream) {
stream.open(filename.c_str());
if (!stream) {
std::ostringstream msg;
msg << "failed to open input file: " << filename;
Error(msg.str());
}
}
void Tool::OpenNamedOutputOrDie(const std::string &filename,
std::ofstream &stream) {
stream.open(filename.c_str());
if (!stream) {
std::ostringstream msg;
msg << "failed to open output file: " << filename;
Error(msg.str());
}
}
} // namespace PCFG
} // namespace Syntax
} // namespace MosesTraining
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