Mercurial > octave-nkf
annotate src/ov-str-mat.cc @ 8168:dadf478ddc42
fix empty string assignment
| author | Jaroslav Hajek <highegg@gmail.com> |
|---|---|
| date | Tue, 30 Sep 2008 09:19:43 +0200 |
| parents | 26d8a92644de |
| children | c777f3ce02d8 |
| rev | line source |
|---|---|
| 2376 | 1 /* |
| 2 | |
| 7017 | 3 Copyright (C) 1996, 1997, 1998, 2000, 2001, 2002, 2003, 2004, 2005, |
| 4 2006, 2007 John W. Eaton | |
| 2376 | 5 |
| 6 This file is part of Octave. | |
| 7 | |
| 8 Octave is free software; you can redistribute it and/or modify it | |
| 9 under the terms of the GNU General Public License as published by the | |
| 7016 | 10 Free Software Foundation; either version 3 of the License, or (at your |
| 11 option) any later version. | |
| 2376 | 12 |
| 13 Octave is distributed in the hope that it will be useful, but WITHOUT | |
| 14 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 15 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 16 for more details. | |
| 17 | |
| 18 You should have received a copy of the GNU General Public License | |
| 7016 | 19 along with Octave; see the file COPYING. If not, see |
| 20 <http://www.gnu.org/licenses/>. | |
| 2376 | 21 |
| 22 */ | |
| 23 | |
| 24 #ifdef HAVE_CONFIG_H | |
| 25 #include <config.h> | |
| 26 #endif | |
| 27 | |
|
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26d8a92644de
try to avoid ctype macro problems
John W. Eaton <jwe@octave.org>
parents:
7503
diff
changeset
|
28 #include <cctype> |
|
26d8a92644de
try to avoid ctype macro problems
John W. Eaton <jwe@octave.org>
parents:
7503
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changeset
|
29 |
| 3503 | 30 #include <iostream> |
| 4726 | 31 #include <vector> |
| 2901 | 32 |
| 4944 | 33 #include "data-conv.h" |
| 2376 | 34 #include "lo-ieee.h" |
| 4944 | 35 #include "mach-info.h" |
| 2376 | 36 #include "mx-base.h" |
| 37 | |
| 5758 | 38 #include "defun.h" |
| 39 #include "byte-swap.h" | |
| 40 #include "gripes.h" | |
| 41 #include "ls-oct-ascii.h" | |
| 42 #include "ls-hdf5.h" | |
| 43 #include "ls-utils.h" | |
| 2407 | 44 #include "oct-obj.h" |
| 4944 | 45 #include "oct-stream.h" |
| 2376 | 46 #include "ops.h" |
| 5033 | 47 #include "ov-scalar.h" |
| 2376 | 48 #include "ov-re-mat.h" |
| 49 #include "ov-str-mat.h" | |
| 50 #include "pr-output.h" | |
| 3836 | 51 #include "pt-mat.h" |
| 5758 | 52 #include "utils.h" |
| 4687 | 53 |
| 3219 | 54 DEFINE_OCTAVE_ALLOCATOR (octave_char_matrix_str); |
| 5279 | 55 DEFINE_OCTAVE_ALLOCATOR (octave_char_matrix_sq_str); |
| 2376 | 56 |
| 4612 | 57 DEFINE_OV_TYPEID_FUNCTIONS_AND_DATA (octave_char_matrix_str, "string", "char"); |
| 5279 | 58 DEFINE_OV_TYPEID_FUNCTIONS_AND_DATA (octave_char_matrix_sq_str, "sq_string", "char"); |
| 2376 | 59 |
| 5759 | 60 static octave_base_value * |
| 61 default_numeric_conversion_function (const octave_base_value& a) | |
| 2376 | 62 { |
| 5759 | 63 octave_base_value *retval = 0; |
| 5033 | 64 |
| 2376 | 65 CAST_CONV_ARG (const octave_char_matrix_str&); |
| 66 | |
| 4668 | 67 NDArray nda = v.array_value (true); |
| 3203 | 68 |
| 5033 | 69 if (! error_state) |
| 70 { | |
| 71 if (nda.numel () == 1) | |
| 72 retval = new octave_scalar (nda(0)); | |
| 73 else | |
| 74 retval = new octave_matrix (nda); | |
| 75 } | |
| 76 | |
| 77 return retval; | |
| 2376 | 78 } |
| 79 | |
| 5759 | 80 octave_base_value::type_conv_fcn |
| 2376 | 81 octave_char_matrix_str::numeric_conversion_function (void) const |
| 82 { | |
| 83 return default_numeric_conversion_function; | |
| 84 } | |
| 85 | |
| 86 octave_value | |
| 5400 | 87 octave_char_matrix_str::do_index_op_internal (const octave_value_list& idx, |
| 5885 | 88 bool resize_ok, char type) |
| 2407 | 89 { |
| 90 octave_value retval; | |
| 91 | |
| 5275 | 92 octave_idx_type len = idx.length (); |
| 2407 | 93 |
| 94 switch (len) | |
| 95 { | |
| 5539 | 96 case 0: |
| 97 retval = octave_value (matrix, true, type); | |
| 2407 | 98 break; |
| 99 | |
| 100 case 1: | |
| 101 { | |
| 102 idx_vector i = idx (0).index_vector (); | |
| 103 | |
| 5086 | 104 if (! error_state) |
| 105 retval = octave_value (charNDArray (matrix.index (i, resize_ok)), | |
| 5400 | 106 true, type); |
| 2407 | 107 } |
| 108 break; | |
| 109 | |
| 5539 | 110 case 2: |
| 111 { | |
| 112 idx_vector i = idx (0).index_vector (); | |
| 113 idx_vector j = idx (1).index_vector (); | |
| 114 | |
| 115 if (! error_state) | |
| 116 retval = octave_value (charNDArray (matrix.index (i, j, resize_ok)), | |
| 117 true, type); | |
| 118 } | |
| 5435 | 119 break; |
| 120 | |
| 2407 | 121 default: |
| 4513 | 122 { |
| 123 Array<idx_vector> idx_vec (len); | |
| 124 | |
| 5275 | 125 for (octave_idx_type i = 0; i < len; i++) |
| 4513 | 126 idx_vec(i) = idx(i).index_vector (); |
| 127 | |
| 5086 | 128 if (! error_state) |
| 129 retval = octave_value (charNDArray (matrix.index (idx_vec, resize_ok)), | |
| 5400 | 130 true, type); |
| 4513 | 131 } |
| 2407 | 132 break; |
| 133 } | |
| 134 | |
| 135 return retval; | |
| 136 } | |
| 137 | |
| 5731 | 138 octave_value |
| 139 octave_char_matrix_str::resize (const dim_vector& dv, bool fill) const | |
| 140 { | |
| 141 charNDArray retval (matrix); | |
| 142 if (fill) | |
| 143 retval.resize (dv, charNDArray::resize_fill_value()); | |
| 144 else | |
| 145 retval.resize (dv); | |
| 146 return octave_value (retval, true); | |
| 147 } | |
| 148 | |
| 2376 | 149 bool |
| 150 octave_char_matrix_str::valid_as_scalar_index (void) const | |
| 151 { | |
| 152 bool retval = false; | |
| 153 error ("octave_char_matrix_str::valid_as_scalar_index(): not implemented"); | |
| 154 return retval; | |
| 155 } | |
| 156 | |
| 4668 | 157 #define CHAR_MATRIX_CONV(T, INIT, TNAME, FCN) \ |
| 158 T retval INIT; \ | |
| 159 \ | |
| 160 if (! force_string_conv) \ | |
| 161 gripe_invalid_conversion ("string", TNAME); \ | |
| 162 else \ | |
| 163 { \ | |
| 5878 | 164 warning_with_id ("Octave:str-to-num", \ |
| 5781 | 165 "implicit conversion from %s to %s", \ |
| 166 "string", TNAME); \ | |
| 4668 | 167 \ |
| 168 retval = octave_char_matrix::FCN (); \ | |
| 169 } \ | |
| 170 \ | |
| 171 return retval | |
| 172 | |
| 4643 | 173 double |
| 174 octave_char_matrix_str::double_value (bool force_string_conv) const | |
| 175 { | |
| 4668 | 176 CHAR_MATRIX_CONV (double, = 0, "real scalar", double_value); |
| 177 } | |
| 4643 | 178 |
| 4668 | 179 Complex |
| 180 octave_char_matrix_str::complex_value (bool force_string_conv) const | |
| 181 { | |
| 182 CHAR_MATRIX_CONV (Complex, = 0, "complex scalar", complex_value); | |
| 4643 | 183 } |
| 184 | |
| 2376 | 185 Matrix |
| 186 octave_char_matrix_str::matrix_value (bool force_string_conv) const | |
| 187 { | |
| 4668 | 188 CHAR_MATRIX_CONV (Matrix, , "real matrix", matrix_value); |
| 189 } | |
| 190 | |
| 191 ComplexMatrix | |
| 192 octave_char_matrix_str::complex_matrix_value (bool force_string_conv) const | |
| 193 { | |
| 194 CHAR_MATRIX_CONV (ComplexMatrix, , "complex matrix", complex_matrix_value); | |
| 195 } | |
| 2376 | 196 |
| 4668 | 197 NDArray |
| 198 octave_char_matrix_str::array_value (bool force_string_conv) const | |
| 199 { | |
| 200 CHAR_MATRIX_CONV (NDArray, , "real N-d array", array_value); | |
| 201 } | |
| 2376 | 202 |
| 4668 | 203 ComplexNDArray |
| 204 octave_char_matrix_str::complex_array_value (bool force_string_conv) const | |
| 205 { | |
| 206 CHAR_MATRIX_CONV (ComplexNDArray, , "complex N-d array", | |
| 207 complex_array_value); | |
| 2376 | 208 } |
| 209 | |
| 2493 | 210 string_vector |
| 5715 | 211 octave_char_matrix_str::all_strings (bool) const |
| 2376 | 212 { |
| 4513 | 213 string_vector retval; |
| 214 | |
| 215 if (matrix.ndims () == 2) | |
| 216 { | |
| 6816 | 217 charMatrix chm = matrix.matrix_value (); |
| 4513 | 218 |
| 6816 | 219 octave_idx_type n = chm.rows (); |
| 2493 | 220 |
| 6816 | 221 retval.resize (n); |
| 2493 | 222 |
| 6816 | 223 for (octave_idx_type i = 0; i < n; i++) |
| 224 retval[i] = chm.row_as_string (i); | |
| 4513 | 225 } |
| 226 else | |
| 227 error ("invalid conversion of charNDArray to string_vector"); | |
| 2493 | 228 |
| 229 return retval; | |
| 2376 | 230 } |
| 231 | |
| 3536 | 232 std::string |
| 4457 | 233 octave_char_matrix_str::string_value (bool) const |
| 2376 | 234 { |
| 4513 | 235 std::string retval; |
| 236 | |
| 237 if (matrix.ndims () == 2) | |
| 238 { | |
| 239 charMatrix chm = matrix.matrix_value (); | |
| 240 | |
| 5775 | 241 retval = chm.row_as_string (0); // FIXME??? |
| 4513 | 242 } |
| 243 else | |
| 244 error ("invalid conversion of charNDArray to string"); | |
| 245 | |
| 246 return retval; | |
| 2376 | 247 } |
| 248 | |
| 249 void | |
| 3523 | 250 octave_char_matrix_str::print_raw (std::ostream& os, bool pr_as_read_syntax) const |
| 2376 | 251 { |
| 3219 | 252 octave_print_internal (os, matrix, pr_as_read_syntax, |
| 253 current_print_indent_level (), true); | |
| 2376 | 254 } |
| 255 | |
| 4687 | 256 bool |
| 6974 | 257 octave_char_matrix_str::save_ascii (std::ostream& os) |
| 4687 | 258 { |
| 4805 | 259 dim_vector d = dims (); |
| 260 if (d.length () > 2) | |
| 261 { | |
| 262 charNDArray tmp = char_array_value (); | |
| 263 os << "# ndims: " << d.length () << "\n"; | |
| 264 for (int i=0; i < d.length (); i++) | |
| 265 os << " " << d (i); | |
| 266 os << "\n"; | |
| 5760 | 267 os.write (tmp.fortran_vec (), d.numel ()); |
| 4805 | 268 os << "\n"; |
| 269 } | |
| 270 else | |
| 4687 | 271 { |
| 4805 | 272 // Keep this case, rather than use generic code above for |
| 273 // backward compatiability. Makes load_ascii much more complex!! | |
| 274 charMatrix chm = char_matrix_value (); | |
| 5275 | 275 octave_idx_type elements = chm.rows (); |
| 4805 | 276 os << "# elements: " << elements << "\n"; |
| 5275 | 277 for (octave_idx_type i = 0; i < elements; i++) |
| 4805 | 278 { |
| 279 unsigned len = chm.cols (); | |
| 280 os << "# length: " << len << "\n"; | |
| 281 std::string tstr = chm.row_as_string (i, false, true); | |
| 282 const char *tmp = tstr.data (); | |
| 283 if (tstr.length () > len) | |
| 284 panic_impossible (); | |
| 5760 | 285 os.write (tmp, len); |
| 4805 | 286 os << "\n"; |
| 287 } | |
| 4687 | 288 } |
| 289 | |
| 290 return true; | |
| 291 } | |
| 292 | |
| 293 bool | |
| 294 octave_char_matrix_str::load_ascii (std::istream& is) | |
| 295 { | |
| 296 bool success = true; | |
| 5099 | 297 |
| 298 string_vector keywords(3); | |
| 299 | |
| 300 keywords[0] = "ndims"; | |
| 301 keywords[1] = "elements"; | |
| 302 keywords[2] = "length"; | |
| 303 | |
| 304 std::string kw; | |
| 305 int val = 0; | |
| 4687 | 306 |
| 5099 | 307 if (extract_keyword (is, keywords, kw, val, true)) |
| 4687 | 308 { |
| 5099 | 309 if (kw == "ndims") |
| 4687 | 310 { |
| 5099 | 311 int mdims = val; |
| 312 | |
| 313 if (mdims >= 0) | |
| 314 { | |
| 315 dim_vector dv; | |
| 316 dv.resize (mdims); | |
| 4805 | 317 |
| 5099 | 318 for (int i = 0; i < mdims; i++) |
| 319 is >> dv(i); | |
| 4687 | 320 |
| 6717 | 321 if (is) |
| 322 { | |
| 323 charNDArray tmp(dv); | |
| 324 | |
| 325 if (tmp.is_empty ()) | |
| 326 matrix = tmp; | |
| 327 else | |
| 328 { | |
| 329 char *ftmp = tmp.fortran_vec (); | |
| 5099 | 330 |
| 6717 | 331 // Skip the return line |
| 332 if (! is.read (ftmp, 1)) | |
| 333 return false; | |
| 4805 | 334 |
| 6717 | 335 if (! is.read (ftmp, dv.numel ()) || !is) |
| 336 { | |
| 337 error ("load: failed to load string constant"); | |
| 338 success = false; | |
| 339 } | |
| 340 else | |
| 341 matrix = tmp; | |
| 342 } | |
| 343 } | |
| 344 else | |
| 5099 | 345 { |
| 6717 | 346 error ("load: failed to read dimensions"); |
| 5099 | 347 success = false; |
| 348 } | |
| 349 } | |
| 350 else | |
| 4687 | 351 { |
| 5099 | 352 error ("load: failed to extract matrix size"); |
| 4805 | 353 success = false; |
| 4687 | 354 } |
| 355 } | |
| 5099 | 356 else if (kw == "elements") |
| 4687 | 357 { |
| 5099 | 358 int elements = val; |
| 4805 | 359 |
| 360 if (elements >= 0) | |
| 361 { | |
| 5775 | 362 // FIXME -- need to be able to get max length |
| 4805 | 363 // before doing anything. |
| 4687 | 364 |
| 4805 | 365 charMatrix chm (elements, 0); |
| 366 int max_len = 0; | |
| 367 for (int i = 0; i < elements; i++) | |
| 368 { | |
| 369 int len; | |
| 370 if (extract_keyword (is, "length", len) && len >= 0) | |
| 371 { | |
| 6151 | 372 // Use this instead of a C-style character |
| 373 // buffer so that we can properly handle | |
| 374 // embedded NUL characters. | |
| 375 charMatrix tmp (1, len); | |
| 376 char *ptmp = tmp.fortran_vec (); | |
| 377 | |
| 378 if (len > 0 && ! is.read (ptmp, len)) | |
| 4805 | 379 { |
| 380 error ("load: failed to load string constant"); | |
| 381 success = false; | |
| 382 break; | |
| 383 } | |
| 384 else | |
| 385 { | |
| 386 if (len > max_len) | |
| 387 { | |
| 388 max_len = len; | |
| 389 chm.resize (elements, max_len, 0); | |
| 390 } | |
| 6151 | 391 |
| 4805 | 392 chm.insert (tmp, i, 0); |
| 393 } | |
| 394 } | |
| 395 else | |
| 396 { | |
| 397 error ("load: failed to extract string length for element %d", | |
| 398 i+1); | |
| 399 success = false; | |
| 400 } | |
| 401 } | |
| 402 | |
| 403 if (! error_state) | |
| 404 matrix = chm; | |
| 4687 | 405 } |
| 406 else | |
| 407 { | |
| 4805 | 408 error ("load: failed to extract number of string elements"); |
| 409 success = false; | |
| 410 } | |
| 411 } | |
| 5099 | 412 else if (kw == "length") |
| 4805 | 413 { |
| 5099 | 414 int len = val; |
| 4805 | 415 |
| 5099 | 416 if (len >= 0) |
| 4805 | 417 { |
| 418 // This is cruft for backward compatiability, | |
| 419 // but relatively harmless. | |
| 420 | |
| 6151 | 421 // Use this instead of a C-style character buffer so |
| 422 // that we can properly handle embedded NUL characters. | |
| 423 charMatrix tmp (1, len); | |
| 424 char *ptmp = tmp.fortran_vec (); | |
| 4805 | 425 |
| 6151 | 426 if (len > 0 && ! is.read (ptmp, len)) |
| 4805 | 427 { |
| 428 error ("load: failed to load string constant"); | |
| 429 } | |
| 4687 | 430 else |
| 4805 | 431 { |
| 432 if (is) | |
| 6151 | 433 matrix = tmp; |
| 4805 | 434 else |
| 435 error ("load: failed to load string constant"); | |
| 436 } | |
| 4687 | 437 } |
| 438 } | |
| 5099 | 439 else |
| 440 panic_impossible (); | |
| 441 } | |
| 442 else | |
| 443 { | |
| 444 error ("load: failed to extract number of rows and columns"); | |
| 445 success = false; | |
| 4687 | 446 } |
| 447 | |
| 448 return success; | |
| 449 } | |
| 450 | |
| 451 bool | |
| 452 octave_char_matrix_str::save_binary (std::ostream& os, | |
| 453 bool& /* save_as_floats */) | |
| 454 { | |
| 4805 | 455 dim_vector d = dims (); |
| 456 if (d.length() < 1) | |
| 457 return false; | |
| 458 | |
| 459 // Use negative value for ndims to differentiate with old format!! | |
| 5828 | 460 int32_t tmp = - d.length(); |
| 5760 | 461 os.write (reinterpret_cast<char *> (&tmp), 4); |
| 4805 | 462 for (int i=0; i < d.length (); i++) |
| 4687 | 463 { |
| 4805 | 464 tmp = d(i); |
| 5760 | 465 os.write (reinterpret_cast<char *> (&tmp), 4); |
| 4687 | 466 } |
| 4805 | 467 |
| 468 charNDArray m = char_array_value (); | |
| 469 os.write (m.fortran_vec (), d.numel ()); | |
| 4687 | 470 return true; |
| 471 } | |
| 472 | |
| 473 bool | |
| 474 octave_char_matrix_str::load_binary (std::istream& is, bool swap, | |
| 475 oct_mach_info::float_format /* fmt */) | |
| 476 { | |
| 5828 | 477 int32_t elements; |
| 5760 | 478 if (! is.read (reinterpret_cast<char *> (&elements), 4)) |
| 4687 | 479 return false; |
| 480 if (swap) | |
| 4944 | 481 swap_bytes<4> (&elements); |
| 4805 | 482 |
| 483 if (elements < 0) | |
| 4687 | 484 { |
| 5828 | 485 int32_t mdims = - elements; |
| 486 int32_t di; | |
| 4805 | 487 dim_vector dv; |
| 488 dv.resize (mdims); | |
| 489 | |
| 490 for (int i = 0; i < mdims; i++) | |
| 491 { | |
| 5760 | 492 if (! is.read (reinterpret_cast<char *> (&di), 4)) |
| 4805 | 493 return false; |
| 494 if (swap) | |
| 4944 | 495 swap_bytes<4> (&di); |
| 4805 | 496 dv(i) = di; |
| 497 } | |
| 498 | |
| 5157 | 499 // Convert an array with a single dimension to be a row vector. |
| 500 // Octave should never write files like this, other software | |
| 501 // might. | |
| 502 | |
| 503 if (mdims == 1) | |
| 504 { | |
| 505 mdims = 2; | |
| 506 dv.resize (mdims); | |
| 507 dv(1) = dv(0); | |
| 508 dv(0) = 1; | |
| 509 } | |
| 510 | |
| 4805 | 511 charNDArray m(dv); |
| 512 char *tmp = m.fortran_vec (); | |
| 513 is.read (tmp, dv.numel ()); | |
| 514 | |
| 515 if (error_state || ! is) | |
| 4687 | 516 return false; |
| 4805 | 517 matrix = m; |
| 518 } | |
| 519 else | |
| 520 { | |
| 521 charMatrix chm (elements, 0); | |
| 522 int max_len = 0; | |
| 523 for (int i = 0; i < elements; i++) | |
| 4687 | 524 { |
| 5828 | 525 int32_t len; |
| 5760 | 526 if (! is.read (reinterpret_cast<char *> (&len), 4)) |
| 4805 | 527 return false; |
| 528 if (swap) | |
| 4944 | 529 swap_bytes<4> (&len); |
| 6151 | 530 charMatrix btmp (1, len); |
| 531 char *pbtmp = btmp.fortran_vec (); | |
| 532 if (! is.read (pbtmp, len)) | |
| 4805 | 533 return false; |
| 534 if (len > max_len) | |
| 535 { | |
| 536 max_len = len; | |
| 537 chm.resize (elements, max_len, 0); | |
| 538 } | |
| 539 chm.insert (btmp, i, 0); | |
| 4687 | 540 } |
| 4805 | 541 matrix = chm; |
| 4687 | 542 } |
| 543 return true; | |
| 544 } | |
| 545 | |
| 546 #if defined (HAVE_HDF5) | |
| 4944 | 547 |
| 4687 | 548 bool |
| 549 octave_char_matrix_str::save_hdf5 (hid_t loc_id, const char *name, | |
| 550 bool /* save_as_floats */) | |
| 551 { | |
| 4837 | 552 dim_vector dv = dims (); |
| 553 int empty = save_hdf5_empty (loc_id, name, dv); | |
| 554 if (empty) | |
| 4805 | 555 return (empty > 0); |
| 4687 | 556 |
| 4837 | 557 int rank = dv.length (); |
| 4805 | 558 hid_t space_hid = -1, data_hid = -1; |
| 559 bool retval = true; | |
| 560 charNDArray m = char_array_value (); | |
| 561 | |
| 562 OCTAVE_LOCAL_BUFFER (hsize_t, hdims, rank); | |
| 4687 | 563 |
| 4805 | 564 // Octave uses column-major, while HDF5 uses row-major ordering |
| 565 for (int i = 0; i < rank; i++) | |
| 4837 | 566 hdims[i] = dv (rank-i-1); |
| 4805 | 567 |
| 4815 | 568 space_hid = H5Screate_simple (rank, hdims, 0); |
| 4805 | 569 if (space_hid < 0) |
| 570 return false; | |
| 4687 | 571 |
| 4805 | 572 data_hid = H5Dcreate (loc_id, name, H5T_NATIVE_CHAR, space_hid, |
| 573 H5P_DEFAULT); | |
| 574 if (data_hid < 0) | |
| 4687 | 575 { |
| 4805 | 576 H5Sclose (space_hid); |
| 4687 | 577 return false; |
| 578 } | |
| 579 | |
| 4837 | 580 OCTAVE_LOCAL_BUFFER (char, s, dv.numel ()); |
| 4687 | 581 |
| 4837 | 582 for (int i = 0; i < dv.numel (); ++i) |
| 4805 | 583 s[i] = m(i); |
| 4687 | 584 |
| 4805 | 585 retval = H5Dwrite (data_hid, H5T_NATIVE_CHAR, H5S_ALL, H5S_ALL, |
| 4815 | 586 H5P_DEFAULT, s) >= 0; |
| 4687 | 587 |
| 588 H5Dclose (data_hid); | |
| 589 H5Sclose (space_hid); | |
| 4837 | 590 |
| 4687 | 591 return retval; |
| 592 } | |
| 593 | |
| 594 bool | |
| 595 octave_char_matrix_str::load_hdf5 (hid_t loc_id, const char *name, | |
| 596 bool /* have_h5giterate_bug */) | |
| 597 { | |
| 4837 | 598 bool retval = false; |
| 599 | |
| 4805 | 600 dim_vector dv; |
| 601 int empty = load_hdf5_empty (loc_id, name, dv); | |
| 602 if (empty > 0) | |
| 603 matrix.resize(dv); | |
| 4837 | 604 if (empty) |
| 605 return (empty > 0); | |
| 4805 | 606 |
| 4687 | 607 hid_t data_hid = H5Dopen (loc_id, name); |
| 608 hid_t space_hid = H5Dget_space (data_hid); | |
| 609 hsize_t rank = H5Sget_simple_extent_ndims (space_hid); | |
| 610 hid_t type_hid = H5Dget_type (data_hid); | |
| 4805 | 611 hid_t type_class_hid = H5Tget_class (type_hid); |
| 4687 | 612 |
| 4805 | 613 if (type_class_hid == H5T_INTEGER) |
| 4687 | 614 { |
| 4805 | 615 if (rank < 1) |
| 4687 | 616 { |
| 617 H5Tclose (type_hid); | |
| 618 H5Sclose (space_hid); | |
| 619 H5Dclose (data_hid); | |
| 620 return false; | |
| 621 } | |
| 4805 | 622 |
| 623 OCTAVE_LOCAL_BUFFER (hsize_t, hdims, rank); | |
| 624 OCTAVE_LOCAL_BUFFER (hsize_t, maxdims, rank); | |
| 625 | |
| 626 H5Sget_simple_extent_dims (space_hid, hdims, maxdims); | |
| 627 | |
| 628 // Octave uses column-major, while HDF5 uses row-major ordering | |
| 629 if (rank == 1) | |
| 630 { | |
| 631 dv.resize (2); | |
| 632 dv(0) = 1; | |
| 633 dv(1) = hdims[0]; | |
| 634 } | |
| 4687 | 635 else |
| 636 { | |
| 4805 | 637 dv.resize (rank); |
| 4815 | 638 for (hsize_t i = 0, j = rank - 1; i < rank; i++, j--) |
| 4805 | 639 dv(j) = hdims[i]; |
| 640 } | |
| 641 | |
| 642 charNDArray m (dv); | |
| 643 char *str = m.fortran_vec (); | |
| 644 if (H5Dread (data_hid, H5T_NATIVE_CHAR, H5S_ALL, H5S_ALL, | |
| 4815 | 645 H5P_DEFAULT, str) >= 0) |
| 4805 | 646 { |
| 647 retval = true; | |
| 648 matrix = m; | |
| 649 } | |
| 650 | |
| 651 H5Tclose (type_hid); | |
| 652 H5Sclose (space_hid); | |
| 653 H5Dclose (data_hid); | |
| 654 return true; | |
| 655 } | |
| 656 else | |
| 657 { | |
| 658 // This is cruft for backward compatiability and easy data | |
| 659 // importation | |
| 660 if (rank == 0) | |
| 661 { | |
| 662 // a single string: | |
| 663 int slen = H5Tget_size (type_hid); | |
| 664 if (slen < 0) | |
| 4687 | 665 { |
| 666 H5Tclose (type_hid); | |
| 667 H5Sclose (space_hid); | |
| 668 H5Dclose (data_hid); | |
| 669 return false; | |
| 670 } | |
| 4805 | 671 else |
| 672 { | |
| 673 OCTAVE_LOCAL_BUFFER (char, s, slen); | |
| 674 // create datatype for (null-terminated) string | |
| 675 // to read into: | |
| 676 hid_t st_id = H5Tcopy (H5T_C_S1); | |
| 677 H5Tset_size (st_id, slen); | |
| 5760 | 678 if (H5Dread (data_hid, st_id, H5S_ALL, H5S_ALL, H5P_DEFAULT, s) < 0) |
| 4805 | 679 { |
| 680 H5Tclose (st_id); | |
| 681 H5Tclose (type_hid); | |
| 682 H5Sclose (space_hid); | |
| 683 H5Dclose (data_hid); | |
| 684 return false; | |
| 685 } | |
| 4687 | 686 |
| 4805 | 687 matrix = charMatrix (s); |
| 4687 | 688 |
| 4805 | 689 H5Tclose (st_id); |
| 690 H5Tclose (type_hid); | |
| 691 H5Sclose (space_hid); | |
| 692 H5Dclose (data_hid); | |
| 693 return true; | |
| 694 } | |
| 4687 | 695 } |
| 4805 | 696 else if (rank == 1) |
| 697 { | |
| 698 // string vector | |
| 699 hsize_t elements, maxdim; | |
| 700 H5Sget_simple_extent_dims (space_hid, &elements, &maxdim); | |
| 701 int slen = H5Tget_size (type_hid); | |
| 702 if (slen < 0) | |
| 703 { | |
| 704 H5Tclose (type_hid); | |
| 705 H5Sclose (space_hid); | |
| 706 H5Dclose (data_hid); | |
| 707 return false; | |
| 708 } | |
| 709 else | |
| 710 { | |
| 711 // hdf5 string arrays store strings of all the | |
| 712 // same physical length (I think), which is | |
| 713 // slightly wasteful, but oh well. | |
| 714 | |
| 715 OCTAVE_LOCAL_BUFFER (char, s, elements * slen); | |
| 716 | |
| 717 // create datatype for (null-terminated) string | |
| 718 // to read into: | |
| 719 hid_t st_id = H5Tcopy (H5T_C_S1); | |
| 720 H5Tset_size (st_id, slen); | |
| 721 | |
| 5760 | 722 if (H5Dread (data_hid, st_id, H5S_ALL, H5S_ALL, H5P_DEFAULT, s) < 0) |
| 4805 | 723 { |
| 724 H5Tclose (st_id); | |
| 725 H5Tclose (type_hid); | |
| 726 H5Sclose (space_hid); | |
| 727 H5Dclose (data_hid); | |
| 728 return false; | |
| 729 } | |
| 730 | |
| 731 charMatrix chm (elements, slen - 1); | |
| 732 for (hsize_t i = 0; i < elements; ++i) | |
| 733 { | |
| 734 chm.insert (s + i*slen, i, 0); | |
| 735 } | |
| 736 | |
| 737 matrix = chm; | |
| 738 | |
| 739 H5Tclose (st_id); | |
| 740 H5Tclose (type_hid); | |
| 741 H5Sclose (space_hid); | |
| 742 H5Dclose (data_hid); | |
| 743 return true; | |
| 744 } | |
| 745 } | |
| 746 else | |
| 4687 | 747 { |
| 748 H5Tclose (type_hid); | |
| 749 H5Sclose (space_hid); | |
| 750 H5Dclose (data_hid); | |
| 751 return false; | |
| 752 } | |
| 753 } | |
| 4837 | 754 |
| 755 return retval; | |
| 4687 | 756 } |
| 4944 | 757 |
| 4687 | 758 #endif |
| 759 | |
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760 #define MACRO_WRAPPER(FCN, CTYPE_FCN) \ |
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761 static int x ## FCN (int c) { return CTYPE_FCN (c); } |
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762 |
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763 #define STRING_MAPPER(FCN, AMAP, CTYPE_FCN) \ |
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764 MACRO_WRAPPER (FCN, CTYPE_FCN) \ |
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765 \ |
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766 octave_value \ |
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767 octave_char_matrix_str::FCN (void) const \ |
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768 { \ |
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769 static charNDArray::mapper smap = x ## FCN; \ |
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770 return matrix.AMAP (smap); \ |
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771 } |
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772 |
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773 #define TOSTRING_MAPPER(FCN, AMAP, CTYPE_FCN) \ |
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774 MACRO_WRAPPER (FCN, CTYPE_FCN) \ |
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775 \ |
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776 octave_value \ |
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777 octave_char_matrix_str::FCN (void) const \ |
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778 { \ |
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779 static charNDArray::mapper smap = x ## FCN; \ |
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780 return octave_value (matrix.AMAP (smap), true, \ |
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781 is_sq_string () ? '\'' : '"'); \ |
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782 } |
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783 |
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784 STRING_MAPPER (xisalnum, bmap, isalnum) |
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785 STRING_MAPPER (xisalpha, bmap, isalpha) |
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786 STRING_MAPPER (xisascii, bmap, isascii) |
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787 STRING_MAPPER (xiscntrl, bmap, iscntrl) |
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788 STRING_MAPPER (xisdigit, bmap, isdigit) |
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789 STRING_MAPPER (xisgraph, bmap, isgraph) |
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790 STRING_MAPPER (xislower, bmap, islower) |
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791 STRING_MAPPER (xisprint, bmap, isprint) |
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792 STRING_MAPPER (xispunct, bmap, ispunct) |
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793 STRING_MAPPER (xisspace, bmap, isspace) |
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794 STRING_MAPPER (xisupper, bmap, isupper) |
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795 STRING_MAPPER (xisxdigit, bmap, isxdigit) |
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796 STRING_MAPPER (xtoascii, dmap, toascii) |
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797 TOSTRING_MAPPER (xtolower, smap, tolower) |
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798 TOSTRING_MAPPER (xtoupper, smap, toupper) |
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799 |
| 2376 | 800 /* |
| 801 ;;; Local Variables: *** | |
| 802 ;;; mode: C++ *** | |
| 803 ;;; End: *** | |
| 804 */ |