/*

Copyright (C) 1996, 1997, 1998, 2000, 2002, 2003, 2004, 2005, 2006,
              2007, 2008 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_list_h)
#define octave_list_h 1

#include <cstdlib>

#include <iosfwd>
#include <string>

#include "mx-base.h"
#include "str-vec.h"

#include "Cell.h"
#include "error.h"
#include "oct-alloc.h"
#include "ov-base.h"
#include "ov-typeinfo.h"

class tree_walker;

// Lists.

class
octave_list : public octave_base_value
{
public:

  octave_list (void)
    : octave_base_value () { }

  octave_list (const octave_value_list& l)
    : octave_base_value (), data (l) { }

  octave_list (const Cell& c);

  octave_list (const octave_list& l)
    : octave_base_value (), data (l.data) { }

  ~octave_list (void) { }

  octave_base_value *clone (void) const { return new octave_list (*this); }
  octave_base_value *empty_clone (void) const { return new octave_list (); }

  octave_value subsref (const std::string& type,
			const std::list<octave_value_list>& idx)
    {
      octave_value_list tmp = subsref (type, idx, 1);
      return tmp.length () > 0 ? tmp(0) : octave_value ();
    }

  octave_value_list subsref (const std::string& type,
			     const std::list<octave_value_list>& idx,
			     int nargout);

  octave_value do_index_op (const octave_value_list& idx,
			    bool resize_ok = false);

  octave_value subsasgn (const std::string& type,
			 const std::list<octave_value_list>& idx,
			 const octave_value& rhs);

  void assign (const octave_value_list& idx, const octave_value& rhs);

  dim_vector dims (void) const { return dim_vector (1, data.length ()); }

  size_t byte_size (void) const;

  bool is_defined (void) const { return true; }

  bool is_list (void) const { return true; }

  octave_value_list list_value (void) const;

  void print (std::ostream& os, bool pr_as_read_syntax = false) const;

  void print_raw (std::ostream& os, bool pr_as_read_syntax = false) const;

  bool print_name_tag (std::ostream& os, const std::string& name) const;

  bool save_ascii (std::ostream& os);

  bool load_ascii (std::istream& is);

  bool save_binary (std::ostream& os, bool& save_as_floats);

  bool load_binary (std::istream& is, bool swap, 
		    oct_mach_info::float_format fmt);

#if defined (HAVE_HDF5)
  bool save_hdf5 (hid_t loc_id, const char *name, bool save_as_floats);

  bool load_hdf5 (hid_t loc_id, const char *name, bool have_h5giterate_bug);
#endif

protected:

  // The list of Octave values.
  Cell data;

private:

  DECLARE_OCTAVE_ALLOCATOR

  DECLARE_OV_TYPEID_FUNCTIONS_AND_DATA
};

#endif

/*
;;; Local Variables: ***
;;; mode: C++ ***
;;; End: ***
*/