// oct-obj.cc                                            -*- C++ -*-
/*

Copyright (C) 1996 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 2, 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, write to the Free
Software Foundation, 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.

*/

#if defined (__GNUG__)
#pragma implementation
#endif

#ifdef HAVE_CONFIG_H
#include <config.h>
#endif

#include "error.h"
#include "oct-obj.h"

int
Octave_object::all_strings (void) const
{
  int n = length ();

  for (int i = 0; i < n; i++)
    if (! elem(i).is_string ())
      return 0;

  return 1;
}

string_vector
Octave_object::make_argv (const string& fcn_name) const
{
  string_vector argv;

  if (all_strings ())
    {
      int n = length ();
      argv.resize (n+1);
      argv[0] = fcn_name;

      for (int i = 0; i < n; i++)
	argv[i+1] = elem(i).string_value ();
    }
  else
    error ("%s: expecting all arguments to be strings", fcn_name.c_str ());

  return argv;
}

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