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////////////////////////////////////////////////////////////////////////
//
// Copyright (C) 1996-2021 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 <cctype>
#include <ostream>
#include "dNDArray.h"
#include "fNDArray.h"
#include "int8NDArray.h"
#include "int16NDArray.h"
#include "int32NDArray.h"
#include "int64NDArray.h"
#include "uint8NDArray.h"
#include "uint16NDArray.h"
#include "uint32NDArray.h"
#include "uint64NDArray.h"
#include "lo-ieee.h"
#include "mx-base.h"
#include "unicase-wrappers.h"
#include "unictype-wrappers.h"
#include "unistr-wrappers.h"
#include "mxarray.h"
#include "ov-base.h"
#include "ov-base-mat.h"
#include "ov-base-mat.cc"
#include "ov-ch-mat.h"
#include "errwarn.h"
#include "pr-output.h"
template class octave_base_matrix<charNDArray>;
idx_vector
octave_char_matrix::index_vector (bool /* require_integers */) const
{
const char *p = matrix.data ();
if (numel () == 1 && *p == ':')
return idx_vector (':');
else
return idx_vector (array_value (true));
}
double
octave_char_matrix::double_value (bool) const
{
if (rows () == 0 || columns () == 0)
err_invalid_conversion ("character matrix", "real scalar");
warn_implicit_conversion ("Octave:array-to-scalar",
"character matrix", "real scalar");
return static_cast<unsigned char> (matrix(0, 0));
}
float
octave_char_matrix::float_value (bool) const
{
if (rows () == 0 && columns () == 0)
err_invalid_conversion ("character matrix", "real scalar");
warn_implicit_conversion ("Octave:array-to-scalar",
"character matrix", "real scalar");
return static_cast<unsigned char> (matrix(0, 0));
}
octave_int64
octave_char_matrix::int64_scalar_value () const
{
octave_int64 retval = 0;
if (rows () == 0 || columns () == 0)
err_invalid_conversion ("character matrix", "int64 scalar");
warn_implicit_conversion ("Octave:array-to-scalar",
"character matrix", "int64 scalar");
retval = octave_int64 (matrix(0, 0));
return retval;
}
octave_uint64
octave_char_matrix::uint64_scalar_value () const
{
octave_uint64 retval = 0;
if (rows () == 0 || columns () == 0)
err_invalid_conversion ("character matrix", "uint64 scalar");
warn_implicit_conversion ("Octave:array-to-scalar",
"character matrix", "uint64 scalar");
retval = octave_uint64 (matrix(0, 0));
return retval;
}
Complex
octave_char_matrix::complex_value (bool) const
{
if (rows () == 0 && columns () == 0)
err_invalid_conversion ("character matrix", "complex scalar");
warn_implicit_conversion ("Octave:array-to-scalar",
"character matrix", "complex scalar");
return Complex (static_cast<unsigned char> (matrix(0, 0)), 0);
}
FloatComplex
octave_char_matrix::float_complex_value (bool) const
{
float tmp = lo_ieee_float_nan_value ();
FloatComplex retval (tmp, tmp);
if (rows () == 0 || columns () == 0)
err_invalid_conversion ("character matrix", "complex scalar");
warn_implicit_conversion ("Octave:array-to-scalar",
"character matrix", "complex scalar");
retval = static_cast<unsigned char> (matrix(0, 0));
return retval;
}
octave_value
octave_char_matrix::as_double (void) const
{
return NDArray (matrix);
}
octave_value
octave_char_matrix::as_single (void) const
{
return FloatNDArray (matrix);
}
octave_value
octave_char_matrix::as_int8 (void) const
{
return int8NDArray (matrix);
}
octave_value
octave_char_matrix::as_int16 (void) const
{
return int16NDArray (matrix);
}
octave_value
octave_char_matrix::as_int32 (void) const
{
return int32NDArray (matrix);
}
octave_value
octave_char_matrix::as_int64 (void) const
{
return int64NDArray (matrix);
}
octave_value
octave_char_matrix::as_uint8 (void) const
{
return uint8NDArray (matrix);
}
octave_value
octave_char_matrix::as_uint16 (void) const
{
return uint16NDArray (matrix);
}
octave_value
octave_char_matrix::as_uint32 (void) const
{
return uint32NDArray (matrix);
}
octave_value
octave_char_matrix::as_uint64 (void) const
{
return uint64NDArray (matrix);
}
void
octave_char_matrix::print_raw (std::ostream& os,
bool pr_as_read_syntax) const
{
octave_print_internal (os, matrix, pr_as_read_syntax,
current_print_indent_level ());
}
mxArray *
octave_char_matrix::as_mxArray (void) const
{
mxArray *retval = new mxArray (mxCHAR_CLASS, dims (), mxREAL);
mxChar *pr = static_cast<mxChar *> (retval->get_data ());
mwSize nel = numel ();
const char *p = matrix.data ();
for (mwIndex i = 0; i < nel; i++)
pr[i] = p[i];
return retval;
}
// The C++ standard guarantees cctype defines functions, not macros (and
// hence macros *CAN'T* be defined if only cctype is included) so
// there's no need to fuck around. The exceptions are isascii and
// toascii, which are not C++. Oddly enough, all those character
// functions are int (*) (int), even in C++. Wicked!
static inline int xisascii (int c)
{
#if defined (HAVE_ISASCII)
return isascii (c);
#else
return (c >= 0x00 && c <= 0x7f);
#endif
}
octave_value
octave_char_matrix::map (unary_mapper_t umap) const
{
octave_value retval;
switch (umap)
{
#define STRING_MAPPER(UMAP,FCN,TYPE) \
case umap_ ## UMAP: \
return octave_value (matrix.map<TYPE, int (&) (int)> (FCN))
STRING_MAPPER (xisascii, xisascii, bool);
#define STRING_U8_MAPPER(UMAP,FCN) \
case umap_ ## UMAP: \
{ \
charNDArray in_m = matrix; \
Array<octave_idx_type> p (dim_vector (matrix.ndims (), 1)); \
if (matrix.ndims () > 1) \
{ \
for (octave_idx_type i=0; i < matrix.ndims (); i++) \
p(i) = i; \
p(0) = 1; \
p(1) = 0; \
in_m = matrix.permute (p); \
} \
boolNDArray b_array = boolNDArray (in_m.dims ()); \
const uint8_t *in = reinterpret_cast<const uint8_t *> (in_m.data ()); \
uint32_t uc; \
for (octave_idx_type i = 0; i < in_m.numel (); ) \
{ \
int mblen = octave_u8_strmbtouc_wrapper (&uc, in + i); \
if (mblen < 1) \
mblen = 1; \
bool is_upper = FCN (uc); \
for (int j = 0; j < mblen; j++) \
b_array(i+j) = is_upper; \
i += mblen; \
} \
return octave_value ((matrix.ndims () > 1) ? b_array.permute (p, true) \
: b_array); \
}
STRING_U8_MAPPER (xisalnum, octave_uc_is_alnum_wrapper);
STRING_U8_MAPPER (xisalpha, octave_uc_is_alpha_wrapper);
STRING_U8_MAPPER (xiscntrl, octave_uc_is_cntrl_wrapper);
STRING_U8_MAPPER (xisdigit, octave_uc_is_digit_wrapper);
STRING_U8_MAPPER (xisgraph, octave_uc_is_graph_wrapper);
STRING_U8_MAPPER (xislower, octave_uc_is_lower_wrapper);
STRING_U8_MAPPER (xisprint, octave_uc_is_print_wrapper);
STRING_U8_MAPPER (xispunct, octave_uc_is_punct_wrapper);
STRING_U8_MAPPER (xisspace, octave_uc_is_space_wrapper);
STRING_U8_MAPPER (xisupper, octave_uc_is_upper_wrapper);
STRING_U8_MAPPER (xisxdigit, octave_uc_is_xdigit_wrapper);
#define STRING_U8_FCN(UMAP,U8_FCN,STD_FCN) \
case umap_ ## UMAP: \
{ \
charNDArray in_m = matrix; \
Array<octave_idx_type> p (dim_vector (matrix.ndims (), 1)); \
if (matrix.ndims () > 1) \
{ \
for (octave_idx_type i=0; i < matrix.ndims (); i++) \
p(i) = i; \
p(0) = 1; \
p(1) = 0; \
in_m = matrix.permute (p); \
} \
size_t output_length = in_m.numel (); \
charNDArray ch_array = charNDArray (in_m.dims ()); \
const uint8_t *in = reinterpret_cast<const uint8_t *> (in_m.data ()); \
uint8_t *buf = reinterpret_cast<uint8_t *> (ch_array.fortran_vec ()); \
U8_FCN (in, matrix.numel (), nullptr, buf, &output_length); \
if (output_length != static_cast<size_t> (matrix.numel ())) \
{ \
warning_with_id ("Octave:multi_byte_char_length", \
"UMAP: Possible multi-byte error."); \
return octave_value (matrix.map<char, int (&) (int)> (STD_FCN)); \
} \
return octave_value ((matrix.ndims () > 1) ? ch_array.permute (p, true)\
: ch_array); \
}
STRING_U8_FCN (xtolower, octave_u8_tolower_wrapper, std::tolower);
STRING_U8_FCN (xtoupper, octave_u8_toupper_wrapper, std::toupper);
// For Matlab compatibility, these should work on ASCII values
// without error or warning.
case umap_abs:
case umap_ceil:
case umap_fix:
case umap_floor:
case umap_imag:
case umap_isinf:
case umap_isnan:
case umap_real:
case umap_round:
{
octave_matrix m (array_value (true));
return m.map (umap);
}
default:
error ("%s: argument must be numeric", get_umap_name (umap));
break;
}
return retval;
}
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