view libinterp/corefcn/octave-preserve-stream-state.h @ 23442:53f5f8231c37

allow most header files to be compiled separately * build-aux/mk-opts.pl: Include <limits> in generated header files. * file-io.h, ls-hdf5.h, ls-mat-ascii.h, ls-mat4.h, ls-mat5.h, ls-oct-binary.h, ls-oct-text.h, ls-utils.h, mxarray.in.h, octave-link.h, octave-preserve-stream-state.h, pt-check.h, pt-tm-const.h, DAERTFunc.h, aepbalance.h, eigs-base.h, Sparse-diag-op-defs.h, Sparse-op-defs.h, Sparse-perm-op-defs.h, action-container.h, oct-rl-edit.h, url-transfer.h: Include additional headers or use forward declarations to allow successful compilation of the file by itself.
author John W. Eaton <jwe@octave.org>
date Wed, 26 Apr 2017 01:20:50 -0400
parents 092078913d54
children
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/*

Copyright (C) 1993-2017 John W. Eaton

This file is part of Octave.

Octave 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; either version 3 of the License, or
(at your option) any later version.

Octave 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 Octave; see the file COPYING.  If not, see
<http://www.gnu.org/licenses/>.

*/

#if ! defined (octave_octave_preserve_stream_state_h)
#define octave_octave_preserve_stream_state_h 1

#include "octave-config.h"

#include <ios>

class
octave_preserve_stream_state
{
public:

  octave_preserve_stream_state (std::ios& s)
    : stream (s), oflags (s.flags ()), oprecision (s.precision ()),
      owidth (s.width ()), ofill (s.fill ())
  { }

  ~octave_preserve_stream_state (void)
  {
    stream.flags (oflags);
    stream.precision (oprecision);
    stream.width (owidth);
    stream.fill (ofill);
  }

private:

  std::ios& stream;
  std::ios::fmtflags oflags;
  std::streamsize oprecision;
  int owidth;
  char ofill;
};

#endif