mosesdecoder/moses/TranslationModel/UG/generic/file_io/ug_stream.cpp

58 lines
1.4 KiB
C++

// -*- c++ -*-
// (c) 2006,2007,2008 Ulrich Germann
// makes opening files a little more convenient
#include "ug_stream.h"
namespace ugdiss
{
using namespace std;
using namespace boost::iostreams;
filtering_istream*
open_input_stream(string fname)
{
filtering_istream* ret = new filtering_istream();
open_input_stream(fname,*ret);
return ret;
}
filtering_ostream*
open_output_stream(string fname)
{
filtering_ostream* ret = new filtering_ostream();
open_output_stream(fname,*ret);
return ret;
}
void
open_input_stream(string fname, filtering_istream& in)
{
if (fname.size()>3 && fname.substr(fname.size()-3,3)==".gz")
{
in.push(gzip_decompressor());
}
else if (fname.size() > 4 && fname.substr(fname.size()-4,4)==".bz2")
{
in.push(bzip2_decompressor());
}
in.push(file_source(fname.c_str()));
}
void
open_output_stream(string fname, filtering_ostream& out)
{
if ((fname.size() > 3 && fname.substr(fname.size()-3,3)==".gz") ||
(fname.size() > 4 && fname.substr(fname.size()-4,4)==".gz_"))
{
out.push(gzip_compressor());
}
else if ((fname.size() > 4 && fname.substr(fname.size()-4,4)==".bz2") ||
(fname.size() > 5 && fname.substr(fname.size()-5,5)==".bz2_"))
{
out.push(bzip2_compressor());
}
out.push(file_sink(fname.c_str()));
}
}