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////////////////////////////////////////////////////////////////////////
//
// Copyright (C) 1995-2025 The Octave Project Developers
//
// See the file COPYRIGHT.md in the top-level directory of this
// distribution or <https://octave.org/copyright/>.
//
// 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
// <https://www.gnu.org/licenses/>.
//
////////////////////////////////////////////////////////////////////////
#if defined (HAVE_CONFIG_H)
# include "config.h"
#endif
#include <cstring>
#include <ostream>
#include <string>
#include "lo-error.h"
#include "str-vec.h"
#include "mx-base.h"
#include "mx-inlines.cc"
#include "mx-op-defs.h"
// charMatrix class.
bool
charMatrix::operator == (const charMatrix& a) const
{
if (rows () != a.rows () || cols () != a.cols ())
return 0;
return mx_inline_equal (numel (), data (), a.data ());
}
bool
charMatrix::operator != (const charMatrix& a) const
{
return !(*this == a);
}
charMatrix&
charMatrix::insert (const char *s, octave_idx_type r, octave_idx_type c)
{
if (s)
{
octave_idx_type s_len = strlen (s);
if (r < 0 || r >= rows () || c < 0 || c + s_len - 1 > cols ())
(*current_liboctave_error_handler) ("range error for insert");
for (octave_idx_type i = 0; i < s_len; i++)
elem (r, c+i) = s[i];
}
return *this;
}
charMatrix&
charMatrix::insert (const charMatrix& a, octave_idx_type r, octave_idx_type c)
{
Array<char>::insert (a, r, c);
return *this;
}
std::string
charMatrix::row_as_string (octave_idx_type r, bool strip_ws) const
{
std::string retval;
octave_idx_type nr = rows ();
octave_idx_type nc = cols ();
if (r == 0 && (nr == 0 || nc == 0))
return retval;
if (r < 0 || r >= nr)
(*current_liboctave_error_handler) ("range error for row_as_string");
retval.resize (nc, '\0');
for (octave_idx_type i = 0; i < nc; i++)
retval[i] = elem (r, i);
if (strip_ws)
{
while (--nc >= 0)
{
char c = retval[nc];
if (c && c != ' ')
break;
}
retval.resize (nc+1);
}
return retval;
}
charMatrix
charMatrix::extract (octave_idx_type r1, octave_idx_type c1,
octave_idx_type r2, octave_idx_type c2) const
{
if (r1 > r2) { std::swap (r1, r2); }
if (c1 > c2) { std::swap (c1, c2); }
octave_idx_type new_r = r2 - r1 + 1;
octave_idx_type new_c = c2 - c1 + 1;
charMatrix result (new_r, new_c);
for (octave_idx_type j = 0; j < new_c; j++)
for (octave_idx_type i = 0; i < new_r; i++)
result.elem (i, j) = elem (r1+i, c1+j);
return result;
}
MS_CMP_OPS (charMatrix, char)
MS_BOOL_OPS (charMatrix, char)
SM_CMP_OPS (char, charMatrix)
SM_BOOL_OPS (char, charMatrix)
MM_CMP_OPS (charMatrix, charMatrix)
MM_BOOL_OPS (charMatrix, charMatrix)
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