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annotate src/ov-str-mat.cc @ 9037:4cb9f994dcec
Documentation cleanup of var.texi, expr.texi, eval.texi
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| author | Rik <rdrider0-list@yahoo.com> |
|---|---|
| date | Sun, 22 Mar 2009 08:41:49 -0700 |
| parents | e7e928088e90 |
| children | 034800482c79 |
| rev | line source |
|---|---|
| 2376 | 1 /* |
| 2 | |
| 7017 | 3 Copyright (C) 1996, 1997, 1998, 2000, 2001, 2002, 2003, 2004, 2005, |
| 8920 | 4 2006, 2007, 2008 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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28 #include <cctype> |
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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" |
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37 #include "oct-locbuf.h" |
| 2376 | 38 |
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39 #include "byte-swap.h" |
| 5758 | 40 #include "defun.h" |
| 41 #include "gripes.h" | |
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42 #include "ls-ascii-helper.h" |
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43 #include "ls-hdf5.h" |
| 5758 | 44 #include "ls-oct-ascii.h" |
| 45 #include "ls-utils.h" | |
| 2407 | 46 #include "oct-obj.h" |
| 4944 | 47 #include "oct-stream.h" |
| 2376 | 48 #include "ops.h" |
| 5033 | 49 #include "ov-scalar.h" |
| 2376 | 50 #include "ov-re-mat.h" |
| 51 #include "ov-str-mat.h" | |
| 52 #include "pr-output.h" | |
| 3836 | 53 #include "pt-mat.h" |
| 5758 | 54 #include "utils.h" |
| 4687 | 55 |
| 3219 | 56 DEFINE_OCTAVE_ALLOCATOR (octave_char_matrix_str); |
| 5279 | 57 DEFINE_OCTAVE_ALLOCATOR (octave_char_matrix_sq_str); |
| 2376 | 58 |
| 4612 | 59 DEFINE_OV_TYPEID_FUNCTIONS_AND_DATA (octave_char_matrix_str, "string", "char"); |
| 5279 | 60 DEFINE_OV_TYPEID_FUNCTIONS_AND_DATA (octave_char_matrix_sq_str, "sq_string", "char"); |
| 2376 | 61 |
| 5759 | 62 static octave_base_value * |
| 63 default_numeric_conversion_function (const octave_base_value& a) | |
| 2376 | 64 { |
| 5759 | 65 octave_base_value *retval = 0; |
| 5033 | 66 |
| 2376 | 67 CAST_CONV_ARG (const octave_char_matrix_str&); |
| 68 | |
| 4668 | 69 NDArray nda = v.array_value (true); |
| 3203 | 70 |
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71 if (! error_state) retval = new octave_matrix (nda); |
| 5033 | 72 |
| 73 return retval; | |
| 2376 | 74 } |
| 75 | |
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76 octave_base_value::type_conv_info |
| 2376 | 77 octave_char_matrix_str::numeric_conversion_function (void) const |
| 78 { | |
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79 return octave_base_value::type_conv_info (default_numeric_conversion_function, |
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80 octave_matrix::static_type_id ()); |
| 2376 | 81 } |
| 82 | |
| 83 octave_value | |
| 5400 | 84 octave_char_matrix_str::do_index_op_internal (const octave_value_list& idx, |
| 5885 | 85 bool resize_ok, char type) |
| 2407 | 86 { |
| 87 octave_value retval; | |
| 88 | |
| 5275 | 89 octave_idx_type len = idx.length (); |
| 2407 | 90 |
| 91 switch (len) | |
| 92 { | |
| 5539 | 93 case 0: |
| 94 retval = octave_value (matrix, true, type); | |
| 2407 | 95 break; |
| 96 | |
| 97 case 1: | |
| 98 { | |
| 99 idx_vector i = idx (0).index_vector (); | |
| 100 | |
| 5086 | 101 if (! error_state) |
| 102 retval = octave_value (charNDArray (matrix.index (i, resize_ok)), | |
| 5400 | 103 true, type); |
| 2407 | 104 } |
| 105 break; | |
| 106 | |
| 5539 | 107 case 2: |
| 108 { | |
| 109 idx_vector i = idx (0).index_vector (); | |
| 110 idx_vector j = idx (1).index_vector (); | |
| 111 | |
| 112 if (! error_state) | |
| 113 retval = octave_value (charNDArray (matrix.index (i, j, resize_ok)), | |
| 114 true, type); | |
| 115 } | |
| 5435 | 116 break; |
| 117 | |
| 2407 | 118 default: |
| 4513 | 119 { |
| 120 Array<idx_vector> idx_vec (len); | |
| 121 | |
| 5275 | 122 for (octave_idx_type i = 0; i < len; i++) |
| 4513 | 123 idx_vec(i) = idx(i).index_vector (); |
| 124 | |
| 5086 | 125 if (! error_state) |
| 126 retval = octave_value (charNDArray (matrix.index (idx_vec, resize_ok)), | |
| 5400 | 127 true, type); |
| 4513 | 128 } |
| 2407 | 129 break; |
| 130 } | |
| 131 | |
| 132 return retval; | |
| 133 } | |
| 134 | |
| 5731 | 135 octave_value |
| 136 octave_char_matrix_str::resize (const dim_vector& dv, bool fill) const | |
| 137 { | |
| 138 charNDArray retval (matrix); | |
| 139 if (fill) | |
| 140 retval.resize (dv, charNDArray::resize_fill_value()); | |
| 141 else | |
| 142 retval.resize (dv); | |
| 143 return octave_value (retval, true); | |
| 144 } | |
| 145 | |
| 4668 | 146 #define CHAR_MATRIX_CONV(T, INIT, TNAME, FCN) \ |
| 147 T retval INIT; \ | |
| 148 \ | |
| 149 if (! force_string_conv) \ | |
| 150 gripe_invalid_conversion ("string", TNAME); \ | |
| 151 else \ | |
| 152 { \ | |
| 5878 | 153 warning_with_id ("Octave:str-to-num", \ |
| 5781 | 154 "implicit conversion from %s to %s", \ |
| 155 "string", TNAME); \ | |
| 4668 | 156 \ |
| 157 retval = octave_char_matrix::FCN (); \ | |
| 158 } \ | |
| 159 \ | |
| 160 return retval | |
| 161 | |
| 4643 | 162 double |
| 163 octave_char_matrix_str::double_value (bool force_string_conv) const | |
| 164 { | |
| 4668 | 165 CHAR_MATRIX_CONV (double, = 0, "real scalar", double_value); |
| 166 } | |
| 4643 | 167 |
| 4668 | 168 Complex |
| 169 octave_char_matrix_str::complex_value (bool force_string_conv) const | |
| 170 { | |
| 171 CHAR_MATRIX_CONV (Complex, = 0, "complex scalar", complex_value); | |
| 4643 | 172 } |
| 173 | |
| 2376 | 174 Matrix |
| 175 octave_char_matrix_str::matrix_value (bool force_string_conv) const | |
| 176 { | |
| 4668 | 177 CHAR_MATRIX_CONV (Matrix, , "real matrix", matrix_value); |
| 178 } | |
| 179 | |
| 180 ComplexMatrix | |
| 181 octave_char_matrix_str::complex_matrix_value (bool force_string_conv) const | |
| 182 { | |
| 183 CHAR_MATRIX_CONV (ComplexMatrix, , "complex matrix", complex_matrix_value); | |
| 184 } | |
| 2376 | 185 |
| 4668 | 186 NDArray |
| 187 octave_char_matrix_str::array_value (bool force_string_conv) const | |
| 188 { | |
| 189 CHAR_MATRIX_CONV (NDArray, , "real N-d array", array_value); | |
| 190 } | |
| 2376 | 191 |
| 4668 | 192 ComplexNDArray |
| 193 octave_char_matrix_str::complex_array_value (bool force_string_conv) const | |
| 194 { | |
| 195 CHAR_MATRIX_CONV (ComplexNDArray, , "complex N-d array", | |
| 196 complex_array_value); | |
| 2376 | 197 } |
| 198 | |
| 2493 | 199 string_vector |
| 5715 | 200 octave_char_matrix_str::all_strings (bool) const |
| 2376 | 201 { |
| 4513 | 202 string_vector retval; |
| 203 | |
| 204 if (matrix.ndims () == 2) | |
| 205 { | |
| 6816 | 206 charMatrix chm = matrix.matrix_value (); |
| 4513 | 207 |
| 6816 | 208 octave_idx_type n = chm.rows (); |
| 2493 | 209 |
| 6816 | 210 retval.resize (n); |
| 2493 | 211 |
| 6816 | 212 for (octave_idx_type i = 0; i < n; i++) |
| 213 retval[i] = chm.row_as_string (i); | |
| 4513 | 214 } |
| 215 else | |
| 216 error ("invalid conversion of charNDArray to string_vector"); | |
| 2493 | 217 |
| 218 return retval; | |
| 2376 | 219 } |
| 220 | |
| 3536 | 221 std::string |
| 4457 | 222 octave_char_matrix_str::string_value (bool) const |
| 2376 | 223 { |
| 4513 | 224 std::string retval; |
| 225 | |
| 226 if (matrix.ndims () == 2) | |
| 227 { | |
| 228 charMatrix chm = matrix.matrix_value (); | |
| 229 | |
| 5775 | 230 retval = chm.row_as_string (0); // FIXME??? |
| 4513 | 231 } |
| 232 else | |
| 233 error ("invalid conversion of charNDArray to string"); | |
| 234 | |
| 235 return retval; | |
| 2376 | 236 } |
| 237 | |
| 238 void | |
| 3523 | 239 octave_char_matrix_str::print_raw (std::ostream& os, bool pr_as_read_syntax) const |
| 2376 | 240 { |
| 3219 | 241 octave_print_internal (os, matrix, pr_as_read_syntax, |
| 242 current_print_indent_level (), true); | |
| 2376 | 243 } |
| 244 | |
| 4687 | 245 bool |
| 6974 | 246 octave_char_matrix_str::save_ascii (std::ostream& os) |
| 4687 | 247 { |
| 4805 | 248 dim_vector d = dims (); |
| 249 if (d.length () > 2) | |
| 250 { | |
| 251 charNDArray tmp = char_array_value (); | |
| 252 os << "# ndims: " << d.length () << "\n"; | |
| 253 for (int i=0; i < d.length (); i++) | |
| 254 os << " " << d (i); | |
| 255 os << "\n"; | |
| 5760 | 256 os.write (tmp.fortran_vec (), d.numel ()); |
| 4805 | 257 os << "\n"; |
| 258 } | |
| 259 else | |
| 4687 | 260 { |
| 4805 | 261 // Keep this case, rather than use generic code above for |
| 262 // backward compatiability. Makes load_ascii much more complex!! | |
| 263 charMatrix chm = char_matrix_value (); | |
| 5275 | 264 octave_idx_type elements = chm.rows (); |
| 4805 | 265 os << "# elements: " << elements << "\n"; |
| 5275 | 266 for (octave_idx_type i = 0; i < elements; i++) |
| 4805 | 267 { |
| 268 unsigned len = chm.cols (); | |
| 269 os << "# length: " << len << "\n"; | |
| 270 std::string tstr = chm.row_as_string (i, false, true); | |
| 271 const char *tmp = tstr.data (); | |
| 272 if (tstr.length () > len) | |
| 273 panic_impossible (); | |
| 5760 | 274 os.write (tmp, len); |
| 4805 | 275 os << "\n"; |
| 276 } | |
| 4687 | 277 } |
| 278 | |
| 279 return true; | |
| 280 } | |
| 281 | |
| 282 bool | |
| 283 octave_char_matrix_str::load_ascii (std::istream& is) | |
| 284 { | |
| 285 bool success = true; | |
| 5099 | 286 |
| 287 string_vector keywords(3); | |
| 288 | |
| 289 keywords[0] = "ndims"; | |
| 290 keywords[1] = "elements"; | |
| 291 keywords[2] = "length"; | |
| 292 | |
| 293 std::string kw; | |
| 294 int val = 0; | |
| 4687 | 295 |
| 5099 | 296 if (extract_keyword (is, keywords, kw, val, true)) |
| 4687 | 297 { |
| 5099 | 298 if (kw == "ndims") |
| 4687 | 299 { |
| 5099 | 300 int mdims = val; |
| 301 | |
| 302 if (mdims >= 0) | |
| 303 { | |
| 304 dim_vector dv; | |
| 305 dv.resize (mdims); | |
| 4805 | 306 |
| 5099 | 307 for (int i = 0; i < mdims; i++) |
| 308 is >> dv(i); | |
| 4687 | 309 |
| 6717 | 310 if (is) |
| 311 { | |
| 312 charNDArray tmp(dv); | |
| 313 | |
| 314 if (tmp.is_empty ()) | |
| 315 matrix = tmp; | |
| 316 else | |
| 317 { | |
| 318 char *ftmp = tmp.fortran_vec (); | |
| 5099 | 319 |
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320 skip_preceeding_newline (is); |
| 4805 | 321 |
| 6717 | 322 if (! is.read (ftmp, dv.numel ()) || !is) |
| 323 { | |
| 324 error ("load: failed to load string constant"); | |
| 325 success = false; | |
| 326 } | |
| 327 else | |
| 328 matrix = tmp; | |
| 329 } | |
| 330 } | |
| 331 else | |
| 5099 | 332 { |
| 6717 | 333 error ("load: failed to read dimensions"); |
| 5099 | 334 success = false; |
| 335 } | |
| 336 } | |
| 337 else | |
| 4687 | 338 { |
| 5099 | 339 error ("load: failed to extract matrix size"); |
| 4805 | 340 success = false; |
| 4687 | 341 } |
| 342 } | |
| 5099 | 343 else if (kw == "elements") |
| 4687 | 344 { |
| 5099 | 345 int elements = val; |
| 4805 | 346 |
| 347 if (elements >= 0) | |
| 348 { | |
| 5775 | 349 // FIXME -- need to be able to get max length |
| 4805 | 350 // before doing anything. |
| 4687 | 351 |
| 4805 | 352 charMatrix chm (elements, 0); |
| 353 int max_len = 0; | |
| 354 for (int i = 0; i < elements; i++) | |
| 355 { | |
| 356 int len; | |
| 357 if (extract_keyword (is, "length", len) && len >= 0) | |
| 358 { | |
| 6151 | 359 // Use this instead of a C-style character |
| 360 // buffer so that we can properly handle | |
| 361 // embedded NUL characters. | |
| 362 charMatrix tmp (1, len); | |
| 363 char *ptmp = tmp.fortran_vec (); | |
| 364 | |
| 365 if (len > 0 && ! is.read (ptmp, len)) | |
| 4805 | 366 { |
| 367 error ("load: failed to load string constant"); | |
| 368 success = false; | |
| 369 break; | |
| 370 } | |
| 371 else | |
| 372 { | |
| 373 if (len > max_len) | |
| 374 { | |
| 375 max_len = len; | |
| 376 chm.resize (elements, max_len, 0); | |
| 377 } | |
| 6151 | 378 |
| 4805 | 379 chm.insert (tmp, i, 0); |
| 380 } | |
| 381 } | |
| 382 else | |
| 383 { | |
| 384 error ("load: failed to extract string length for element %d", | |
| 385 i+1); | |
| 386 success = false; | |
| 387 } | |
| 388 } | |
| 389 | |
| 390 if (! error_state) | |
| 391 matrix = chm; | |
| 4687 | 392 } |
| 393 else | |
| 394 { | |
| 4805 | 395 error ("load: failed to extract number of string elements"); |
| 396 success = false; | |
| 397 } | |
| 398 } | |
| 5099 | 399 else if (kw == "length") |
| 4805 | 400 { |
| 5099 | 401 int len = val; |
| 4805 | 402 |
| 5099 | 403 if (len >= 0) |
| 4805 | 404 { |
| 405 // This is cruft for backward compatiability, | |
| 406 // but relatively harmless. | |
| 407 | |
| 6151 | 408 // Use this instead of a C-style character buffer so |
| 409 // that we can properly handle embedded NUL characters. | |
| 410 charMatrix tmp (1, len); | |
| 411 char *ptmp = tmp.fortran_vec (); | |
| 4805 | 412 |
| 6151 | 413 if (len > 0 && ! is.read (ptmp, len)) |
| 4805 | 414 { |
| 415 error ("load: failed to load string constant"); | |
| 416 } | |
| 4687 | 417 else |
| 4805 | 418 { |
| 419 if (is) | |
| 6151 | 420 matrix = tmp; |
| 4805 | 421 else |
| 422 error ("load: failed to load string constant"); | |
| 423 } | |
| 4687 | 424 } |
| 425 } | |
| 5099 | 426 else |
| 427 panic_impossible (); | |
| 428 } | |
| 429 else | |
| 430 { | |
| 431 error ("load: failed to extract number of rows and columns"); | |
| 432 success = false; | |
| 4687 | 433 } |
| 434 | |
| 435 return success; | |
| 436 } | |
| 437 | |
| 438 bool | |
| 439 octave_char_matrix_str::save_binary (std::ostream& os, | |
| 440 bool& /* save_as_floats */) | |
| 441 { | |
| 4805 | 442 dim_vector d = dims (); |
| 443 if (d.length() < 1) | |
| 444 return false; | |
| 445 | |
| 446 // Use negative value for ndims to differentiate with old format!! | |
| 5828 | 447 int32_t tmp = - d.length(); |
| 5760 | 448 os.write (reinterpret_cast<char *> (&tmp), 4); |
| 4805 | 449 for (int i=0; i < d.length (); i++) |
| 4687 | 450 { |
| 4805 | 451 tmp = d(i); |
| 5760 | 452 os.write (reinterpret_cast<char *> (&tmp), 4); |
| 4687 | 453 } |
| 4805 | 454 |
| 455 charNDArray m = char_array_value (); | |
| 456 os.write (m.fortran_vec (), d.numel ()); | |
| 4687 | 457 return true; |
| 458 } | |
| 459 | |
| 460 bool | |
| 461 octave_char_matrix_str::load_binary (std::istream& is, bool swap, | |
| 462 oct_mach_info::float_format /* fmt */) | |
| 463 { | |
| 5828 | 464 int32_t elements; |
| 5760 | 465 if (! is.read (reinterpret_cast<char *> (&elements), 4)) |
| 4687 | 466 return false; |
| 467 if (swap) | |
| 4944 | 468 swap_bytes<4> (&elements); |
| 4805 | 469 |
| 470 if (elements < 0) | |
| 4687 | 471 { |
| 5828 | 472 int32_t mdims = - elements; |
| 473 int32_t di; | |
| 4805 | 474 dim_vector dv; |
| 475 dv.resize (mdims); | |
| 476 | |
| 477 for (int i = 0; i < mdims; i++) | |
| 478 { | |
| 5760 | 479 if (! is.read (reinterpret_cast<char *> (&di), 4)) |
| 4805 | 480 return false; |
| 481 if (swap) | |
| 4944 | 482 swap_bytes<4> (&di); |
| 4805 | 483 dv(i) = di; |
| 484 } | |
| 485 | |
| 5157 | 486 // Convert an array with a single dimension to be a row vector. |
| 487 // Octave should never write files like this, other software | |
| 488 // might. | |
| 489 | |
| 490 if (mdims == 1) | |
| 491 { | |
| 492 mdims = 2; | |
| 493 dv.resize (mdims); | |
| 494 dv(1) = dv(0); | |
| 495 dv(0) = 1; | |
| 496 } | |
| 497 | |
| 4805 | 498 charNDArray m(dv); |
| 499 char *tmp = m.fortran_vec (); | |
| 500 is.read (tmp, dv.numel ()); | |
| 501 | |
| 502 if (error_state || ! is) | |
| 4687 | 503 return false; |
| 4805 | 504 matrix = m; |
| 505 } | |
| 506 else | |
| 507 { | |
| 508 charMatrix chm (elements, 0); | |
| 509 int max_len = 0; | |
| 510 for (int i = 0; i < elements; i++) | |
| 4687 | 511 { |
| 5828 | 512 int32_t len; |
| 5760 | 513 if (! is.read (reinterpret_cast<char *> (&len), 4)) |
| 4805 | 514 return false; |
| 515 if (swap) | |
| 4944 | 516 swap_bytes<4> (&len); |
| 6151 | 517 charMatrix btmp (1, len); |
| 518 char *pbtmp = btmp.fortran_vec (); | |
| 519 if (! is.read (pbtmp, len)) | |
| 4805 | 520 return false; |
| 521 if (len > max_len) | |
| 522 { | |
| 523 max_len = len; | |
| 524 chm.resize (elements, max_len, 0); | |
| 525 } | |
| 526 chm.insert (btmp, i, 0); | |
| 4687 | 527 } |
| 4805 | 528 matrix = chm; |
| 4687 | 529 } |
| 530 return true; | |
| 531 } | |
| 532 | |
| 533 #if defined (HAVE_HDF5) | |
| 4944 | 534 |
| 4687 | 535 bool |
| 536 octave_char_matrix_str::save_hdf5 (hid_t loc_id, const char *name, | |
| 537 bool /* save_as_floats */) | |
| 538 { | |
| 4837 | 539 dim_vector dv = dims (); |
| 540 int empty = save_hdf5_empty (loc_id, name, dv); | |
| 541 if (empty) | |
| 4805 | 542 return (empty > 0); |
| 4687 | 543 |
| 4837 | 544 int rank = dv.length (); |
| 4805 | 545 hid_t space_hid = -1, data_hid = -1; |
| 546 bool retval = true; | |
| 547 charNDArray m = char_array_value (); | |
| 548 | |
| 549 OCTAVE_LOCAL_BUFFER (hsize_t, hdims, rank); | |
| 4687 | 550 |
| 4805 | 551 // Octave uses column-major, while HDF5 uses row-major ordering |
| 552 for (int i = 0; i < rank; i++) | |
| 4837 | 553 hdims[i] = dv (rank-i-1); |
| 4805 | 554 |
| 4815 | 555 space_hid = H5Screate_simple (rank, hdims, 0); |
| 4805 | 556 if (space_hid < 0) |
| 557 return false; | |
| 4687 | 558 |
| 4805 | 559 data_hid = H5Dcreate (loc_id, name, H5T_NATIVE_CHAR, space_hid, |
| 560 H5P_DEFAULT); | |
| 561 if (data_hid < 0) | |
| 4687 | 562 { |
| 4805 | 563 H5Sclose (space_hid); |
| 4687 | 564 return false; |
| 565 } | |
| 566 | |
| 4837 | 567 OCTAVE_LOCAL_BUFFER (char, s, dv.numel ()); |
| 4687 | 568 |
| 4837 | 569 for (int i = 0; i < dv.numel (); ++i) |
| 4805 | 570 s[i] = m(i); |
| 4687 | 571 |
| 4805 | 572 retval = H5Dwrite (data_hid, H5T_NATIVE_CHAR, H5S_ALL, H5S_ALL, |
| 4815 | 573 H5P_DEFAULT, s) >= 0; |
| 4687 | 574 |
| 575 H5Dclose (data_hid); | |
| 576 H5Sclose (space_hid); | |
| 4837 | 577 |
| 4687 | 578 return retval; |
| 579 } | |
| 580 | |
| 581 bool | |
| 582 octave_char_matrix_str::load_hdf5 (hid_t loc_id, const char *name, | |
| 583 bool /* have_h5giterate_bug */) | |
| 584 { | |
| 4837 | 585 bool retval = false; |
| 586 | |
| 4805 | 587 dim_vector dv; |
| 588 int empty = load_hdf5_empty (loc_id, name, dv); | |
| 589 if (empty > 0) | |
| 590 matrix.resize(dv); | |
| 4837 | 591 if (empty) |
| 592 return (empty > 0); | |
| 4805 | 593 |
| 4687 | 594 hid_t data_hid = H5Dopen (loc_id, name); |
| 595 hid_t space_hid = H5Dget_space (data_hid); | |
| 596 hsize_t rank = H5Sget_simple_extent_ndims (space_hid); | |
| 597 hid_t type_hid = H5Dget_type (data_hid); | |
| 4805 | 598 hid_t type_class_hid = H5Tget_class (type_hid); |
| 4687 | 599 |
| 4805 | 600 if (type_class_hid == H5T_INTEGER) |
| 4687 | 601 { |
| 4805 | 602 if (rank < 1) |
| 4687 | 603 { |
| 604 H5Tclose (type_hid); | |
| 605 H5Sclose (space_hid); | |
| 606 H5Dclose (data_hid); | |
| 607 return false; | |
| 608 } | |
| 4805 | 609 |
| 610 OCTAVE_LOCAL_BUFFER (hsize_t, hdims, rank); | |
| 611 OCTAVE_LOCAL_BUFFER (hsize_t, maxdims, rank); | |
| 612 | |
| 613 H5Sget_simple_extent_dims (space_hid, hdims, maxdims); | |
| 614 | |
| 615 // Octave uses column-major, while HDF5 uses row-major ordering | |
| 616 if (rank == 1) | |
| 617 { | |
| 618 dv.resize (2); | |
| 619 dv(0) = 1; | |
| 620 dv(1) = hdims[0]; | |
| 621 } | |
| 4687 | 622 else |
| 623 { | |
| 4805 | 624 dv.resize (rank); |
| 4815 | 625 for (hsize_t i = 0, j = rank - 1; i < rank; i++, j--) |
| 4805 | 626 dv(j) = hdims[i]; |
| 627 } | |
| 628 | |
| 629 charNDArray m (dv); | |
| 630 char *str = m.fortran_vec (); | |
| 631 if (H5Dread (data_hid, H5T_NATIVE_CHAR, H5S_ALL, H5S_ALL, | |
| 4815 | 632 H5P_DEFAULT, str) >= 0) |
| 4805 | 633 { |
| 634 retval = true; | |
| 635 matrix = m; | |
| 636 } | |
| 637 | |
| 638 H5Tclose (type_hid); | |
| 639 H5Sclose (space_hid); | |
| 640 H5Dclose (data_hid); | |
| 641 return true; | |
| 642 } | |
| 643 else | |
| 644 { | |
| 645 // This is cruft for backward compatiability and easy data | |
| 646 // importation | |
| 647 if (rank == 0) | |
| 648 { | |
| 649 // a single string: | |
| 650 int slen = H5Tget_size (type_hid); | |
| 651 if (slen < 0) | |
| 4687 | 652 { |
| 653 H5Tclose (type_hid); | |
| 654 H5Sclose (space_hid); | |
| 655 H5Dclose (data_hid); | |
| 656 return false; | |
| 657 } | |
| 4805 | 658 else |
| 659 { | |
| 660 OCTAVE_LOCAL_BUFFER (char, s, slen); | |
| 661 // create datatype for (null-terminated) string | |
| 662 // to read into: | |
| 663 hid_t st_id = H5Tcopy (H5T_C_S1); | |
| 664 H5Tset_size (st_id, slen); | |
| 5760 | 665 if (H5Dread (data_hid, st_id, H5S_ALL, H5S_ALL, H5P_DEFAULT, s) < 0) |
| 4805 | 666 { |
| 667 H5Tclose (st_id); | |
| 668 H5Tclose (type_hid); | |
| 669 H5Sclose (space_hid); | |
| 670 H5Dclose (data_hid); | |
| 671 return false; | |
| 672 } | |
| 4687 | 673 |
| 4805 | 674 matrix = charMatrix (s); |
| 4687 | 675 |
| 4805 | 676 H5Tclose (st_id); |
| 677 H5Tclose (type_hid); | |
| 678 H5Sclose (space_hid); | |
| 679 H5Dclose (data_hid); | |
| 680 return true; | |
| 681 } | |
| 4687 | 682 } |
| 4805 | 683 else if (rank == 1) |
| 684 { | |
| 685 // string vector | |
| 686 hsize_t elements, maxdim; | |
| 687 H5Sget_simple_extent_dims (space_hid, &elements, &maxdim); | |
| 688 int slen = H5Tget_size (type_hid); | |
| 689 if (slen < 0) | |
| 690 { | |
| 691 H5Tclose (type_hid); | |
| 692 H5Sclose (space_hid); | |
| 693 H5Dclose (data_hid); | |
| 694 return false; | |
| 695 } | |
| 696 else | |
| 697 { | |
| 698 // hdf5 string arrays store strings of all the | |
| 699 // same physical length (I think), which is | |
| 700 // slightly wasteful, but oh well. | |
| 701 | |
| 702 OCTAVE_LOCAL_BUFFER (char, s, elements * slen); | |
| 703 | |
| 704 // create datatype for (null-terminated) string | |
| 705 // to read into: | |
| 706 hid_t st_id = H5Tcopy (H5T_C_S1); | |
| 707 H5Tset_size (st_id, slen); | |
| 708 | |
| 5760 | 709 if (H5Dread (data_hid, st_id, H5S_ALL, H5S_ALL, H5P_DEFAULT, s) < 0) |
| 4805 | 710 { |
| 711 H5Tclose (st_id); | |
| 712 H5Tclose (type_hid); | |
| 713 H5Sclose (space_hid); | |
| 714 H5Dclose (data_hid); | |
| 715 return false; | |
| 716 } | |
| 717 | |
| 718 charMatrix chm (elements, slen - 1); | |
| 719 for (hsize_t i = 0; i < elements; ++i) | |
| 720 { | |
| 721 chm.insert (s + i*slen, i, 0); | |
| 722 } | |
| 723 | |
| 724 matrix = chm; | |
| 725 | |
| 726 H5Tclose (st_id); | |
| 727 H5Tclose (type_hid); | |
| 728 H5Sclose (space_hid); | |
| 729 H5Dclose (data_hid); | |
| 730 return true; | |
| 731 } | |
| 732 } | |
| 733 else | |
| 4687 | 734 { |
| 735 H5Tclose (type_hid); | |
| 736 H5Sclose (space_hid); | |
| 737 H5Dclose (data_hid); | |
| 738 return false; | |
| 739 } | |
| 740 } | |
| 4837 | 741 |
| 742 return retval; | |
| 4687 | 743 } |
| 4944 | 744 |
| 4687 | 745 #endif |
| 746 | |
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747 #define MACRO_WRAPPER(FCN, CTYPE_FCN) \ |
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748 static int x ## FCN (int c) { return CTYPE_FCN (c); } |
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749 |
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750 #define STRING_MAPPER(FCN, AMAP, CTYPE_FCN) \ |
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751 MACRO_WRAPPER (FCN, CTYPE_FCN) \ |
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752 \ |
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753 octave_value \ |
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754 octave_char_matrix_str::FCN (void) const \ |
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755 { \ |
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756 static charNDArray::mapper smap = x ## FCN; \ |
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757 return matrix.AMAP (smap); \ |
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758 } |
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759 |
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760 #define TOSTRING_MAPPER(FCN, AMAP, CTYPE_FCN) \ |
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761 MACRO_WRAPPER (FCN, CTYPE_FCN) \ |
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762 \ |
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763 octave_value \ |
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764 octave_char_matrix_str::FCN (void) const \ |
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765 { \ |
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766 static charNDArray::mapper smap = x ## FCN; \ |
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767 return octave_value (matrix.AMAP (smap), true, \ |
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768 is_sq_string () ? '\'' : '"'); \ |
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769 } |
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770 |
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771 STRING_MAPPER (xisalnum, bmap, isalnum) |
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772 STRING_MAPPER (xisalpha, bmap, isalpha) |
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773 STRING_MAPPER (xisascii, bmap, isascii) |
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774 STRING_MAPPER (xiscntrl, bmap, iscntrl) |
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775 STRING_MAPPER (xisdigit, bmap, isdigit) |
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776 STRING_MAPPER (xisgraph, bmap, isgraph) |
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777 STRING_MAPPER (xislower, bmap, islower) |
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778 STRING_MAPPER (xisprint, bmap, isprint) |
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779 STRING_MAPPER (xispunct, bmap, ispunct) |
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780 STRING_MAPPER (xisspace, bmap, isspace) |
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781 STRING_MAPPER (xisupper, bmap, isupper) |
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782 STRING_MAPPER (xisxdigit, bmap, isxdigit) |
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783 STRING_MAPPER (xtoascii, dmap, toascii) |
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784 TOSTRING_MAPPER (xtolower, smap, tolower) |
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785 TOSTRING_MAPPER (xtoupper, smap, toupper) |
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786 |
| 2376 | 787 /* |
| 788 ;;; Local Variables: *** | |
| 789 ;;; mode: C++ *** | |
| 790 ;;; End: *** | |
| 791 */ |