fileio.cpp

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#include "jb/fileio.hpp"

#include <jb/filetype.hpp>

#include <boost/iostreams/device/file.hpp>
#include <boost/iostreams/filter/gzip.hpp>
#include <boost/iostreams/filtering_stream.hpp>

#include <fstream>
#include <iostream>

void jb::open_output_file(
    boost::iostreams::filtering_ostream& out, std::string const& filename) {

  if (filename == "stdout") {
    out.push(std::cout);
    return;
  }
  if (jb::is_gz(filename)) {
    out.push(boost::iostreams::gzip_compressor());
  }
  boost::iostreams::file_sink file(
      filename, std::ios_base::out | std::ios_base::binary);
  out.push(file);
}

void jb::open_input_file(
    boost::iostreams::filtering_istream& in, std::string const& filename) {

  boost::iostreams::file_source file(
      filename, std::ios_base::in | std::ios_base::binary);
  if (jb::is_gz(filename)) {
    in.push(boost::iostreams::gzip_decompressor());
  }
  in.push(file);
}