~drizzle-trunk/drizzle/development

/* Copyright (C) 2000 MySQL AB

   This program is free software; you can redistribute it and/or modify

   it under the terms of the GNU General Public License as published by

   the Free Software Foundation; version 2 of the License.

   This program 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 General Public License for more details.

   You should have received a copy of the GNU General Public License

   along with this program; if not, write to the Free Software

   Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA */

/* readline for batch mode */

#include <config.h>

#include <drizzled/internal/my_sys.h>

#include <client/linebuffer.h>

#include <boost/version.hpp>

#include <vector>

using namespace std;

using namespace drizzled;

LineBuffer::LineBuffer(uint32_t my_max_size,FILE *my_file)

  :

    file(my_file),

    max_size(my_max_size)

{

  if (my_file)

  /*

    if here beacuse the old way of using file_descriptor is deprecated in boost

    1.44.  There is a #define to re-enable the function but this is broken in

    Fedora 14. See https://bugzilla.redhat.com/show_bug.cgi?id=654480

  */

#if BOOST_VERSION < 104400

    file_stream = new boost::iostreams::stream<boost::iostreams::file_descriptor>(fileno(my_file), true);

#else

    file_stream = new boost::iostreams::stream<boost::iostreams::file_descriptor>(fileno(my_file), boost::iostreams::never_close_handle);

#endif

  else

    file_stream = new std::stringstream;

  line.reserve(max_size);

}

void LineBuffer::addString(const string &str)

{

  (*file_stream) << str << endl;

}

char *LineBuffer::readline()

{

  file_stream->getline(&line[0], max_size);

  if (file_stream->fail())

    return 0;

  else

    return &line[0];

}