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ov-str-mat.cc
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1997-03-07
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/*
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 "lo-ieee.h"
#include "mx-base.h"
#include "oct-obj.h"
#include "ops.h"
#include "ov-re-mat.h"
#include "ov-str-mat.h"
#include "gripes.h"
#include "pr-output.h"
int
octave_char_matrix_str::t_id (-1);
const string
octave_char_matrix_str::t_name ("string");
static octave_value *
default_numeric_conversion_function (const octave_value& a)
{
CAST_CONV_ARG (const octave_char_matrix_str&);
return new octave_matrix (v.matrix_value ());
}
type_conv_fcn
octave_char_matrix_str::numeric_conversion_function (void) const
{
return default_numeric_conversion_function;
}
octave_value
octave_char_matrix_str::index (const octave_value_list& idx) const
{
octave_value retval;
int len = idx.length ();
switch (len)
{
case 2:
{
idx_vector i = idx (0).index_vector ();
idx_vector j = idx (1).index_vector ();
retval = octave_value (charMatrix (matrix.index (i, j)), true);
}
break;
case 1:
{
idx_vector i = idx (0).index_vector ();
retval = octave_value (charMatrix (matrix.index (i)), true);
}
break;
default:
error ("invalid number of indices (%d) for matrix value", len);
break;
}
return retval;
}
extern void assign (Array2<char>&, const Array2<char>&);
void
octave_char_matrix_str::assign (const octave_value_list& idx,
const charMatrix& rhs)
{
int len = idx.length ();
// XXX FIXME XXX
charMatrix tmp = rhs;
if (tmp.rows () == 1 && tmp.columns () == 0)
tmp.resize (0, 0);
switch (len)
{
case 2:
{
idx_vector i = idx (0).index_vector ();
idx_vector j = idx (1).index_vector ();
matrix.set_index (i);
matrix.set_index (j);
::assign (matrix, tmp);
}
break;
case 1:
{
idx_vector i = idx (0).index_vector ();
matrix.set_index (i);
::assign (matrix, tmp);
}
break;
default:
error ("invalid number of indices (%d) for indexed matrix assignment",
len);
break;
}
}
octave_value
octave_char_matrix_str::all (void) const
{
octave_value retval;
error ("octave_char_matrix_str::all(): not implemented");
return retval;
}
octave_value
octave_char_matrix_str::any (void) const
{
octave_value retval;
error ("octave_char_matrix_str::any(): not implemented");
return retval;
}
bool
octave_char_matrix_str::valid_as_scalar_index (void) const
{
bool retval = false;
error ("octave_char_matrix_str::valid_as_scalar_index(): not implemented");
return retval;
}
bool
octave_char_matrix_str::valid_as_zero_index (void) const
{
bool retval = false;
error ("octave_char_matrix_str::valid_as_zero_index(): not implemented");
return retval;
}
bool
octave_char_matrix_str::is_true (void) const
{
bool retval = false;
error ("octave_char_matrix_str::is_true(): not implemented");
return retval;
}
Matrix
octave_char_matrix_str::matrix_value (bool force_string_conv) const
{
Matrix retval;
int flag = force_string_conv;
if (! flag)
flag = Vimplicit_str_to_num_ok;
if (flag < 0)
gripe_implicit_conversion ("string", "real matrix");
if (flag)
retval = Matrix (matrix);
else
gripe_invalid_conversion ("string", "real matrix");
return retval;
}
string_vector
octave_char_matrix_str::all_strings (void) const
{
int n = matrix.rows ();
string_vector retval (n);
for (int i = 0; i < n; i++)
retval[i] = matrix.row_as_string (i, true);
return retval;
}
string
octave_char_matrix_str::string_value (void) const
{
return matrix.row_as_string (0); // XXX FIXME??? XXX
}
void
octave_char_matrix_str::print (ostream& os, bool pr_as_read_syntax)
{
octave_print_internal (os, matrix, pr_as_read_syntax, true,
struct_indent);
}
/*
;;; Local Variables: ***
;;; mode: C++ ***
;;; End: ***
*/