Mercurial > octave-antonio
annotate src/ov-cell.cc @ 8150:283989f2da9b
make null assignment matlab compatible
| author | Jaroslav Hajek <highegg@gmail.com> |
|---|---|
| date | Fri, 26 Sep 2008 11:52:01 -0400 |
| parents | 12a68443191c |
| children | 7cbe01c21986 |
| rev | line source |
|---|---|
| 3353 | 1 /* |
| 2 | |
| 7017 | 3 Copyright (C) 1999, 2000, 2002, 2003, 2004, 2005, 2006, 2007 |
| 4 John W. Eaton | |
| 3353 | 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. | |
| 3353 | 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/>. | |
| 3353 | 21 |
| 22 */ | |
| 23 | |
| 24 #ifdef HAVE_CONFIG_H | |
| 25 #include <config.h> | |
| 26 #endif | |
| 27 | |
| 5850 | 28 #include <iomanip> |
| 3503 | 29 #include <iostream> |
| 5765 | 30 #include <sstream> |
| 5164 | 31 #include <vector> |
| 3353 | 32 |
| 5360 | 33 #include "Array-util.h" |
| 34 #include "byte-swap.h" | |
| 3353 | 35 #include "lo-utils.h" |
| 4153 | 36 #include "quit.h" |
| 3353 | 37 |
| 38 #include "defun.h" | |
| 39 #include "error.h" | |
| 40 #include "ov-cell.h" | |
| 3354 | 41 #include "oct-obj.h" |
| 3353 | 42 #include "unwind-prot.h" |
| 3354 | 43 #include "utils.h" |
| 3928 | 44 #include "ov-base-mat.h" |
| 45 #include "ov-base-mat.cc" | |
| 46 #include "ov-re-mat.h" | |
| 47 #include "ov-scalar.h" | |
| 5360 | 48 #include "pr-output.h" |
| 49 #include "ov-scalar.h" | |
| 3928 | 50 |
| 4687 | 51 #include "ls-oct-ascii.h" |
| 52 #include "ls-oct-binary.h" | |
| 53 #include "ls-hdf5.h" | |
| 54 #include "ls-utils.h" | |
| 55 | |
| 3928 | 56 template class octave_base_matrix<Cell>; |
| 3353 | 57 |
| 58 DEFINE_OCTAVE_ALLOCATOR (octave_cell); | |
| 59 | |
| 4612 | 60 DEFINE_OV_TYPEID_FUNCTIONS_AND_DATA (octave_cell, "cell", "cell"); |
| 3353 | 61 |
| 6833 | 62 static void |
| 63 gripe_failed_assignment (void) | |
| 64 { | |
| 65 error ("assignment to cell array failed"); | |
| 66 } | |
| 67 | |
|
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68 octave_value_list |
| 4247 | 69 octave_cell::subsref (const std::string& type, |
|
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70 const std::list<octave_value_list>& idx, |
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71 int nargout) |
| 3933 | 72 { |
|
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73 octave_value_list retval; |
| 3933 | 74 |
| 75 switch (type[0]) | |
| 76 { | |
| 77 case '(': | |
|
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78 retval(0) = do_index_op (idx.front ()); |
| 3933 | 79 break; |
| 80 | |
| 81 case '{': | |
| 82 { | |
| 83 octave_value tmp = do_index_op (idx.front ()); | |
| 84 | |
| 4582 | 85 if (! error_state) |
| 3933 | 86 { |
| 4582 | 87 Cell tcell = tmp.cell_value (); |
| 88 | |
| 89 if (tcell.length () == 1) | |
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90 retval(0) = tcell(0,0); |
| 4582 | 91 else |
| 92 { | |
| 5275 | 93 octave_idx_type n = tcell.numel (); |
| 4705 | 94 |
| 95 octave_value_list lst (n, octave_value ()); | |
| 96 | |
| 5275 | 97 for (octave_idx_type i = 0; i < n; i++) |
| 4705 | 98 { |
| 99 OCTAVE_QUIT; | |
| 100 lst(i) = tcell(i); | |
| 101 } | |
| 102 | |
|
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103 retval(0) = octave_value (lst, true); |
| 4582 | 104 } |
| 3933 | 105 } |
| 106 } | |
| 107 break; | |
| 108 | |
| 109 case '.': | |
| 110 { | |
| 111 std::string nm = type_name (); | |
| 112 error ("%s cannot be indexed with %c", nm.c_str (), type[0]); | |
| 113 } | |
| 114 break; | |
| 115 | |
| 116 default: | |
| 117 panic_impossible (); | |
| 118 } | |
| 119 | |
| 5775 | 120 // FIXME -- perhaps there should be an |
| 4994 | 121 // octave_value_list::next_subsref member function? See also |
| 122 // octave_user_function::subsref. | |
| 123 | |
| 124 if (idx.size () > 1) | |
|
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125 retval = retval(0).next_subsref (nargout, type, idx); |
| 4994 | 126 |
| 127 return retval; | |
| 3933 | 128 } |
| 129 | |
| 130 octave_value | |
| 4247 | 131 octave_cell::subsasgn (const std::string& type, |
| 4219 | 132 const std::list<octave_value_list>& idx, |
| 3933 | 133 const octave_value& rhs) |
| 134 { | |
| 135 octave_value retval; | |
| 136 | |
| 137 int n = type.length (); | |
| 138 | |
| 139 octave_value t_rhs = rhs; | |
| 140 | |
| 141 if (n > 1) | |
| 142 { | |
| 143 switch (type[0]) | |
| 144 { | |
| 145 case '(': | |
| 146 { | |
| 6767 | 147 if (is_empty () && type[1] == '.') |
| 148 { | |
| 149 // Allow conversion of empty cell array to some other | |
| 150 // type in cases like | |
| 151 // | |
| 152 // x = []; x(i).f = rhs | |
| 3933 | 153 |
| 6767 | 154 octave_value tmp = octave_value::empty_conv (type, rhs); |
| 3933 | 155 |
| 6767 | 156 return tmp.subsasgn (type, idx, rhs); |
| 157 } | |
| 158 else | |
| 3933 | 159 { |
| 6767 | 160 octave_value tmp = do_index_op (idx.front (), true); |
| 3933 | 161 |
| 6767 | 162 if (! tmp.is_defined ()) |
| 163 tmp = octave_value::empty_conv (type.substr (1), rhs); | |
| 3933 | 164 |
| 6767 | 165 if (! error_state) |
| 166 { | |
| 167 std::list<octave_value_list> next_idx (idx); | |
| 4362 | 168 |
| 6767 | 169 next_idx.erase (next_idx.begin ()); |
| 170 | |
| 171 tmp.make_unique (); | |
| 172 | |
| 173 t_rhs = tmp.subsasgn (type.substr (1), next_idx, rhs); | |
| 174 } | |
| 3933 | 175 } |
| 176 } | |
| 177 break; | |
| 178 | |
| 179 case '{': | |
| 180 { | |
| 181 octave_value tmp = do_index_op (idx.front (), true); | |
| 182 | |
| 183 if (! tmp.is_defined ()) | |
| 184 tmp = octave_value::empty_conv (type.substr (1), rhs); | |
| 185 | |
| 4362 | 186 if (! error_state) |
| 187 { | |
| 5992 | 188 const Cell tcell = tmp.cell_value (); |
| 3933 | 189 |
| 4362 | 190 if (! error_state && tcell.length () == 1) |
| 191 { | |
| 192 tmp = tcell(0,0); | |
| 3933 | 193 |
| 4362 | 194 std::list<octave_value_list> next_idx (idx); |
| 195 | |
| 196 next_idx.erase (next_idx.begin ()); | |
| 3933 | 197 |
| 4362 | 198 tmp.make_unique (); |
| 3933 | 199 |
| 5927 | 200 if (! tmp.is_defined () || tmp.is_zero_by_zero ()) |
| 4519 | 201 tmp = octave_value::empty_conv (type.substr (1), rhs); |
| 202 | |
| 203 if (! error_state) | |
| 204 t_rhs = tmp.subsasgn (type.substr (1), next_idx, rhs); | |
| 4362 | 205 } |
| 3933 | 206 } |
| 207 } | |
| 208 break; | |
| 209 | |
| 210 case '.': | |
| 211 { | |
| 212 std::string nm = type_name (); | |
| 213 error ("%s cannot be indexed with %c", nm.c_str (), type[0]); | |
| 214 } | |
| 215 break; | |
| 216 | |
| 217 default: | |
| 218 panic_impossible (); | |
| 219 } | |
| 220 } | |
| 221 | |
| 3940 | 222 if (! error_state) |
| 3933 | 223 { |
| 3940 | 224 switch (type[0]) |
| 225 { | |
| 226 case '(': | |
| 227 { | |
| 228 octave_value_list i = idx.front (); | |
| 3933 | 229 |
| 3940 | 230 if (t_rhs.is_cell ()) |
| 231 octave_base_matrix<Cell>::assign (i, t_rhs.cell_value ()); | |
| 232 else | |
|
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make null assignment matlab compatible
Jaroslav Hajek <highegg@gmail.com>
parents:
7813
diff
changeset
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233 if (t_rhs.is_null_value ()) |
|
283989f2da9b
make null assignment matlab compatible
Jaroslav Hajek <highegg@gmail.com>
parents:
7813
diff
changeset
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234 octave_base_matrix<Cell>::delete_elements (i); |
| 4941 | 235 else |
| 236 octave_base_matrix<Cell>::assign (i, Cell (t_rhs)); | |
| 3933 | 237 |
| 6833 | 238 if (! error_state) |
| 239 { | |
| 240 count++; | |
| 241 retval = octave_value (this); | |
| 242 } | |
| 243 else | |
| 244 gripe_failed_assignment (); | |
| 3940 | 245 } |
| 246 break; | |
| 3933 | 247 |
| 3940 | 248 case '{': |
| 249 { | |
| 250 octave_value_list i = idx.front (); | |
| 3933 | 251 |
| 5846 | 252 if (t_rhs.is_cs_list ()) |
| 253 { | |
| 254 Cell tmp_cell = Cell (t_rhs.list_value ()); | |
| 255 | |
| 7040 | 256 // The shape of the RHS is irrelevant, we just want |
| 257 // the number of elements to agree and to preserve the | |
| 258 // shape of the left hand side of the assignment. | |
| 259 | |
| 260 if (numel () == tmp_cell.numel ()) | |
| 261 tmp_cell = tmp_cell.reshape (dims ()); | |
| 5846 | 262 |
| 263 octave_base_matrix<Cell>::assign (i, tmp_cell); | |
| 264 } | |
| 265 else | |
|
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283989f2da9b
make null assignment matlab compatible
Jaroslav Hajek <highegg@gmail.com>
parents:
7813
diff
changeset
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266 // Regularize a null matrix if stored into a struct component. |
|
283989f2da9b
make null assignment matlab compatible
Jaroslav Hajek <highegg@gmail.com>
parents:
7813
diff
changeset
|
267 octave_base_matrix<Cell>::assign (i, Cell (t_rhs.non_null_value ())); |
| 3933 | 268 |
| 6833 | 269 if (! error_state) |
| 270 { | |
| 271 count++; | |
| 272 retval = octave_value (this); | |
| 273 } | |
| 274 else | |
| 275 gripe_failed_assignment (); | |
| 3940 | 276 } |
| 277 break; | |
| 3933 | 278 |
| 3940 | 279 case '.': |
| 280 { | |
| 281 std::string nm = type_name (); | |
| 282 error ("%s cannot be indexed with %c", nm.c_str (), type[0]); | |
| 283 } | |
| 284 break; | |
| 3933 | 285 |
| 3940 | 286 default: |
| 287 panic_impossible (); | |
| 288 } | |
| 3933 | 289 } |
| 290 | |
| 291 return retval; | |
| 292 } | |
| 293 | |
| 3353 | 294 void |
| 295 octave_cell::assign (const octave_value_list& idx, const octave_value& rhs) | |
| 296 { | |
| 3928 | 297 if (rhs.is_cell ()) |
| 298 octave_base_matrix<Cell>::assign (idx, rhs.cell_value ()); | |
| 3353 | 299 else |
| 3928 | 300 octave_base_matrix<Cell>::assign (idx, Cell (rhs)); |
| 3353 | 301 } |
| 302 | |
| 4791 | 303 size_t |
| 304 octave_cell::byte_size (void) const | |
| 305 { | |
| 306 size_t retval = 0; | |
| 307 | |
| 5275 | 308 for (octave_idx_type i = 0; i < numel (); i++) |
| 4791 | 309 retval += matrix(i).byte_size (); |
| 310 | |
| 311 return retval; | |
| 312 } | |
| 313 | |
| 3933 | 314 octave_value_list |
| 315 octave_cell::list_value (void) const | |
| 316 { | |
| 317 octave_value_list retval; | |
| 318 | |
| 5275 | 319 octave_idx_type nr = rows (); |
| 320 octave_idx_type nc = columns (); | |
| 3933 | 321 |
| 322 if (nr == 1 && nc > 0) | |
| 323 { | |
| 324 retval.resize (nc); | |
| 325 | |
| 5275 | 326 for (octave_idx_type i = 0; i < nc; i++) |
| 3933 | 327 retval(i) = matrix(0,i); |
| 328 } | |
| 329 else if (nc == 1 && nr > 0) | |
| 330 { | |
| 331 retval.resize (nr); | |
| 332 | |
| 5275 | 333 for (octave_idx_type i = 0; i < nr; i++) |
| 3933 | 334 retval(i) = matrix(i,0); |
| 335 } | |
| 336 else | |
| 337 error ("invalid conversion from cell array to list"); | |
| 338 | |
| 339 return retval; | |
| 340 } | |
| 341 | |
| 4243 | 342 string_vector |
| 5715 | 343 octave_cell::all_strings (bool pad) const |
| 4243 | 344 { |
| 4358 | 345 string_vector retval; |
| 346 | |
| 7285 | 347 octave_idx_type nel = numel (); |
| 4243 | 348 |
| 4358 | 349 int n_elts = 0; |
| 350 | |
| 5275 | 351 octave_idx_type max_len = 0; |
| 4358 | 352 |
| 7285 | 353 for (octave_idx_type i = 0; i < nel; i++) |
| 4358 | 354 { |
| 7285 | 355 string_vector s = matrix(i).all_strings (); |
| 356 | |
| 357 if (error_state) | |
| 358 return retval; | |
| 4358 | 359 |
| 7285 | 360 octave_idx_type s_len = s.length (); |
| 4358 | 361 |
| 7285 | 362 n_elts += s_len ? s_len : 1; |
| 4358 | 363 |
| 7285 | 364 octave_idx_type s_max_len = s.max_length (); |
| 4358 | 365 |
| 7285 | 366 if (s_max_len > max_len) |
| 367 max_len = s_max_len; | |
| 4358 | 368 } |
| 369 | |
| 370 retval.resize (n_elts); | |
| 4243 | 371 |
| 5275 | 372 octave_idx_type k = 0; |
| 4243 | 373 |
| 7285 | 374 for (octave_idx_type i = 0; i < nel; i++) |
| 4243 | 375 { |
| 7285 | 376 string_vector s = matrix(i).all_strings (); |
| 377 | |
| 378 octave_idx_type s_len = s.length (); | |
| 4358 | 379 |
| 7285 | 380 if (s_len) |
| 381 { | |
| 382 for (octave_idx_type j = 0; j < s_len; j++) | |
| 5715 | 383 { |
| 7285 | 384 std::string t = s[j]; |
| 5715 | 385 int t_len = t.length (); |
| 386 | |
| 387 if (pad && max_len > t_len) | |
| 388 t += std::string (max_len - t_len, ' '); | |
| 389 | |
| 390 retval[k++] = t; | |
| 391 } | |
| 4243 | 392 } |
| 7285 | 393 else if (pad) |
| 394 retval[k++] = std::string (max_len, ' '); | |
| 395 else | |
| 396 retval[k++] = std::string (); | |
| 4243 | 397 } |
| 398 | |
| 399 return retval; | |
| 400 } | |
| 401 | |
| 4604 | 402 bool |
| 403 octave_cell::print_as_scalar (void) const | |
| 404 { | |
| 405 return (ndims () > 2 || numel () == 0); | |
| 406 } | |
| 407 | |
| 3933 | 408 void |
| 409 octave_cell::print (std::ostream& os, bool) const | |
| 410 { | |
| 411 print_raw (os); | |
| 412 } | |
| 413 | |
| 414 void | |
| 415 octave_cell::print_raw (std::ostream& os, bool) const | |
| 416 { | |
| 4587 | 417 int nd = matrix.ndims (); |
| 4513 | 418 |
| 4587 | 419 if (nd == 2) |
| 4513 | 420 { |
| 5275 | 421 octave_idx_type nr = rows (); |
| 422 octave_idx_type nc = columns (); | |
| 4513 | 423 |
| 424 if (nr > 0 && nc > 0) | |
| 425 { | |
| 426 indent (os); | |
| 427 os << "{"; | |
| 428 newline (os); | |
| 429 | |
| 430 increment_indent_level (); | |
| 431 | |
| 5275 | 432 for (octave_idx_type j = 0; j < nc; j++) |
| 4513 | 433 { |
| 5275 | 434 for (octave_idx_type i = 0; i < nr; i++) |
| 4513 | 435 { |
| 436 OCTAVE_QUIT; | |
| 437 | |
| 5765 | 438 std::ostringstream buf; |
| 439 buf << "[" << i+1 << "," << j+1 << "]"; | |
| 3933 | 440 |
| 4513 | 441 octave_value val = matrix(i,j); |
| 442 | |
| 5765 | 443 val.print_with_name (os, buf.str ()); |
| 4513 | 444 } |
| 445 } | |
| 446 | |
| 447 decrement_indent_level (); | |
| 448 | |
| 449 indent (os); | |
| 450 os << "}"; | |
| 451 newline (os); | |
| 452 } | |
| 453 else | |
| 454 { | |
| 455 os << "{}"; | |
| 5360 | 456 if (Vprint_empty_dimensions) |
| 4513 | 457 os << "(" << nr << "x" << nc << ")"; |
| 458 os << "\n"; | |
| 459 } | |
| 460 } | |
| 461 else | |
| 3933 | 462 { |
| 463 indent (os); | |
| 4513 | 464 dim_vector dv = matrix.dims (); |
| 4587 | 465 os << "{" << dv.str () << " Cell Array}"; |
| 3933 | 466 newline (os); |
| 467 } | |
| 468 } | |
| 469 | |
| 4687 | 470 #define CELL_ELT_TAG "<cell-element>" |
| 471 | |
| 472 bool | |
| 6974 | 473 octave_cell::save_ascii (std::ostream& os) |
| 4687 | 474 { |
| 475 dim_vector d = dims (); | |
| 476 if (d.length () > 2) | |
| 477 { | |
| 478 os << "# ndims: " << d.length () << "\n"; | |
| 479 | |
| 5275 | 480 for (int i = 0; i < d.length (); i++) |
| 4687 | 481 os << " " << d (i); |
| 482 os << "\n"; | |
| 483 | |
| 484 Cell tmp = cell_value (); | |
| 485 | |
| 5275 | 486 for (octave_idx_type i = 0; i < d.numel (); i++) |
| 4687 | 487 { |
| 488 octave_value o_val = tmp.elem (i); | |
| 489 | |
| 490 // Recurse to print sub-value. | |
| 6974 | 491 bool b = save_ascii_data (os, o_val, CELL_ELT_TAG, false, 0); |
| 4687 | 492 |
| 493 if (! b) | |
| 494 return os; | |
| 495 } | |
| 496 } | |
| 497 else | |
| 498 { | |
| 499 // Keep this case, rather than use generic code above for backward | |
| 500 // compatiability. Makes load_ascii much more complex!! | |
| 501 os << "# rows: " << rows () << "\n" | |
| 502 << "# columns: " << columns () << "\n"; | |
| 503 | |
| 504 Cell tmp = cell_value (); | |
| 505 | |
| 5275 | 506 for (octave_idx_type j = 0; j < tmp.cols (); j++) |
| 4687 | 507 { |
| 5275 | 508 for (octave_idx_type i = 0; i < tmp.rows (); i++) |
| 4687 | 509 { |
| 510 octave_value o_val = tmp.elem (i, j); | |
| 511 | |
| 512 // Recurse to print sub-value. | |
| 6974 | 513 bool b = save_ascii_data (os, o_val, CELL_ELT_TAG, false, 0); |
| 4687 | 514 |
| 515 if (! b) | |
| 516 return os; | |
| 517 } | |
| 518 | |
| 519 os << "\n"; | |
| 520 } | |
| 521 } | |
| 522 | |
| 523 return true; | |
| 524 } | |
| 525 | |
| 526 bool | |
| 527 octave_cell::load_ascii (std::istream& is) | |
| 528 { | |
| 529 bool success = true; | |
| 5099 | 530 |
| 531 string_vector keywords(2); | |
| 4687 | 532 |
| 5099 | 533 keywords[0] = "ndims"; |
| 534 keywords[1] = "rows"; | |
| 535 | |
| 536 std::string kw; | |
| 5275 | 537 octave_idx_type val = 0; |
| 5099 | 538 |
| 539 if (extract_keyword (is, keywords, kw, val, true)) | |
| 4687 | 540 { |
| 5099 | 541 if (kw == "ndims") |
| 4687 | 542 { |
| 5275 | 543 int mdims = static_cast<int> (val); |
| 4687 | 544 |
| 5099 | 545 if (mdims >= 0) |
| 546 { | |
| 547 dim_vector dv; | |
| 548 dv.resize (mdims); | |
| 549 | |
| 550 for (int i = 0; i < mdims; i++) | |
| 551 is >> dv(i); | |
| 4687 | 552 |
| 5099 | 553 Cell tmp(dv); |
| 4687 | 554 |
| 5275 | 555 for (octave_idx_type i = 0; i < dv.numel (); i++) |
| 5099 | 556 { |
| 557 octave_value t2; | |
| 558 bool dummy; | |
| 559 | |
| 560 // recurse to read cell elements | |
| 561 std::string nm = read_ascii_data (is, std::string (), | |
| 5759 | 562 dummy, t2, i); |
| 4687 | 563 |
| 5099 | 564 if (nm == CELL_ELT_TAG) |
| 565 { | |
| 566 if (is) | |
| 567 tmp.elem (i) = t2; | |
| 568 } | |
| 569 else | |
| 570 { | |
| 571 error ("load: cell array element had unexpected name"); | |
| 572 success = false; | |
| 573 break; | |
| 574 } | |
| 575 } | |
| 4687 | 576 |
| 5099 | 577 if (is) |
| 578 matrix = tmp; | |
| 4687 | 579 else |
| 580 { | |
| 5099 | 581 error ("load: failed to load matrix constant"); |
| 4687 | 582 success = false; |
| 583 } | |
| 584 } | |
| 585 else | |
| 586 { | |
| 5099 | 587 error ("load: failed to extract number of rows and columns"); |
| 588 success = false; | |
| 589 } | |
| 590 } | |
| 591 else if (kw == "rows") | |
| 592 { | |
| 5275 | 593 octave_idx_type nr = val; |
| 594 octave_idx_type nc = 0; | |
| 5099 | 595 |
| 596 if (nr >= 0 && extract_keyword (is, "columns", nc) && nc >= 0) | |
| 597 { | |
| 598 if (nr > 0 && nc > 0) | |
| 599 { | |
| 600 Cell tmp (nr, nc); | |
| 601 | |
| 5275 | 602 for (octave_idx_type j = 0; j < nc; j++) |
| 5099 | 603 { |
| 5275 | 604 for (octave_idx_type i = 0; i < nr; i++) |
| 5099 | 605 { |
| 606 octave_value t2; | |
| 607 bool dummy; | |
| 608 | |
| 609 // recurse to read cell elements | |
| 610 std::string nm = read_ascii_data (is, std::string (), | |
| 5759 | 611 dummy, t2, i); |
| 5099 | 612 |
| 613 if (nm == CELL_ELT_TAG) | |
| 614 { | |
| 615 if (is) | |
| 616 tmp.elem (i, j) = t2; | |
| 617 } | |
| 618 else | |
| 619 { | |
| 620 error ("load: cell array element had unexpected name"); | |
| 621 success = false; | |
| 622 goto cell_read_error; | |
| 623 } | |
| 624 } | |
| 625 } | |
| 626 | |
| 627 cell_read_error: | |
| 628 | |
| 629 if (is) | |
| 630 matrix = tmp; | |
| 631 else | |
| 632 { | |
| 633 error ("load: failed to load cell element"); | |
| 634 success = false; | |
| 635 } | |
| 636 } | |
| 637 else if (nr == 0 || nc == 0) | |
| 638 matrix = Cell (nr, nc); | |
| 639 else | |
| 640 panic_impossible (); | |
| 641 } | |
| 642 else | |
| 643 { | |
| 644 error ("load: failed to extract number of rows and columns for cell array"); | |
| 4687 | 645 success = false; |
| 646 } | |
| 647 } | |
| 648 else | |
| 5099 | 649 panic_impossible (); |
| 4687 | 650 } |
| 651 else | |
| 652 { | |
| 5099 | 653 error ("load: failed to extract number of rows and columns"); |
| 654 success = false; | |
| 4687 | 655 } |
| 656 | |
| 657 return success; | |
| 658 } | |
| 659 | |
| 660 bool | |
| 661 octave_cell::save_binary (std::ostream& os, bool& save_as_floats) | |
| 662 { | |
| 663 dim_vector d = dims (); | |
| 664 if (d.length () < 1) | |
| 665 return false; | |
| 666 | |
| 667 // Use negative value for ndims | |
| 5828 | 668 int32_t di = - d.length(); |
| 5760 | 669 os.write (reinterpret_cast<char *> (&di), 4); |
| 5275 | 670 for (int i = 0; i < d.length (); i++) |
| 4687 | 671 { |
| 672 di = d(i); | |
| 5760 | 673 os.write (reinterpret_cast<char *> (&di), 4); |
| 4687 | 674 } |
| 675 | |
| 676 Cell tmp = cell_value (); | |
| 677 | |
| 5275 | 678 for (octave_idx_type i = 0; i < d.numel (); i++) |
| 4687 | 679 { |
| 680 octave_value o_val = tmp.elem (i); | |
| 681 | |
| 682 // Recurse to print sub-value. | |
| 683 bool b = save_binary_data (os, o_val, CELL_ELT_TAG, "", 0, | |
| 684 save_as_floats); | |
| 685 | |
| 686 if (! b) | |
| 687 return false; | |
| 688 } | |
| 689 | |
| 690 return true; | |
| 691 } | |
| 692 | |
| 693 bool | |
| 694 octave_cell::load_binary (std::istream& is, bool swap, | |
| 695 oct_mach_info::float_format fmt) | |
| 696 { | |
| 697 bool success = true; | |
| 5828 | 698 int32_t mdims; |
| 5760 | 699 if (! is.read (reinterpret_cast<char *> (&mdims), 4)) |
| 4687 | 700 return false; |
| 701 if (swap) | |
| 4944 | 702 swap_bytes<4> (&mdims); |
| 4687 | 703 if (mdims >= 0) |
| 704 return false; | |
| 705 | |
| 706 mdims = -mdims; | |
| 5828 | 707 int32_t di; |
| 4687 | 708 dim_vector dv; |
| 709 dv.resize (mdims); | |
| 710 | |
| 711 for (int i = 0; i < mdims; i++) | |
| 712 { | |
| 5760 | 713 if (! is.read (reinterpret_cast<char *> (&di), 4)) |
| 4687 | 714 return false; |
| 715 if (swap) | |
| 4944 | 716 swap_bytes<4> (&di); |
| 4687 | 717 dv(i) = di; |
| 718 } | |
| 719 | |
| 5157 | 720 // Convert an array with a single dimension to be a row vector. |
| 721 // Octave should never write files like this, other software | |
| 722 // might. | |
| 723 | |
| 724 if (mdims == 1) | |
| 725 { | |
| 726 mdims = 2; | |
| 727 dv.resize (mdims); | |
| 728 dv(1) = dv(0); | |
| 729 dv(0) = 1; | |
| 730 } | |
| 731 | |
| 5275 | 732 octave_idx_type nel = dv.numel (); |
| 4687 | 733 Cell tmp(dv); |
| 734 | |
| 5275 | 735 for (octave_idx_type i = 0; i < nel; i++) |
| 4687 | 736 { |
| 737 octave_value t2; | |
| 738 bool dummy; | |
| 739 std::string doc; | |
| 740 | |
| 741 // recurse to read cell elements | |
| 742 std::string nm = read_binary_data (is, swap, fmt, std::string (), | |
| 743 dummy, t2, doc); | |
| 744 | |
| 745 if (nm == CELL_ELT_TAG) | |
| 746 { | |
| 747 if (is) | |
| 748 tmp.elem (i) = t2; | |
| 749 } | |
| 750 else | |
| 751 { | |
| 752 error ("load: cell array element had unexpected name"); | |
| 753 success = false; | |
| 754 break; | |
| 755 } | |
| 756 } | |
| 757 | |
| 758 if (is) | |
| 759 matrix = tmp; | |
| 760 else | |
| 761 { | |
| 762 error ("load: failed to load matrix constant"); | |
| 763 success = false; | |
| 764 } | |
| 765 | |
| 766 return success; | |
| 767 } | |
| 768 | |
| 769 #if defined (HAVE_HDF5) | |
| 4815 | 770 |
| 4687 | 771 bool |
| 772 octave_cell::save_hdf5 (hid_t loc_id, const char *name, bool save_as_floats) | |
| 773 { | |
| 4814 | 774 dim_vector dv = dims (); |
| 4837 | 775 int empty = save_hdf5_empty (loc_id, name, dv); |
| 776 if (empty) | |
| 777 return (empty > 0); | |
| 778 | |
| 4815 | 779 hsize_t rank = dv.length (); |
| 4687 | 780 hid_t space_hid = -1, data_hid = -1, size_hid = -1; |
| 781 | |
| 782 data_hid = H5Gcreate (loc_id, name, 0); | |
| 4815 | 783 |
| 784 if (data_hid < 0) | |
| 785 return false; | |
| 4687 | 786 |
| 4814 | 787 // Have to save cell array shape, since can't have a |
| 788 // dataset of groups.... | |
| 4815 | 789 |
| 790 space_hid = H5Screate_simple (1, &rank, 0); | |
| 791 | |
| 4687 | 792 if (space_hid < 0) |
| 793 { | |
| 794 H5Gclose (data_hid); | |
| 795 return false; | |
| 796 } | |
| 797 | |
| 5351 | 798 OCTAVE_LOCAL_BUFFER (octave_idx_type, hdims, rank); |
| 4814 | 799 |
| 800 // Octave uses column-major, while HDF5 uses row-major ordering | |
| 4933 | 801 for (hsize_t i = 0; i < rank; i++) |
| 4815 | 802 hdims[i] = dv(rank-i-1); |
| 4814 | 803 |
| 5351 | 804 size_hid = H5Dcreate (data_hid, "dims", H5T_NATIVE_IDX, space_hid, |
| 4687 | 805 H5P_DEFAULT); |
| 806 if (size_hid < 0) | |
| 807 { | |
| 808 H5Sclose (space_hid); | |
| 809 H5Gclose (data_hid); | |
| 810 return false; | |
| 811 } | |
| 812 | |
| 6276 | 813 if (H5Dwrite (size_hid, H5T_NATIVE_IDX, H5S_ALL, H5S_ALL, |
| 814 H5P_DEFAULT, hdims) < 0) | |
| 4687 | 815 { |
| 816 H5Dclose (size_hid); | |
| 817 H5Sclose (space_hid); | |
| 818 H5Gclose (data_hid); | |
| 819 return false; | |
| 820 } | |
| 4815 | 821 |
| 4687 | 822 H5Dclose (size_hid); |
| 823 H5Sclose (space_hid); | |
| 824 | |
| 4815 | 825 // Recursively add each element of the cell to this group. |
| 826 | |
| 4687 | 827 Cell tmp = cell_value (); |
| 5850 | 828 |
| 829 octave_idx_type nel = dv.numel (); | |
| 830 | |
| 831 for (octave_idx_type i = 0; i < nel; i++) | |
| 4687 | 832 { |
| 5765 | 833 std::ostringstream buf; |
|
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834 int digits = static_cast<int> (::floor (::log10 (static_cast<double> (nel)) + 1.0)); |
| 5850 | 835 buf << "_" << std::setw (digits) << std::setfill ('0') << i; |
| 5765 | 836 std::string s = buf.str (); |
| 4687 | 837 |
| 5850 | 838 if (! add_hdf5_data (data_hid, tmp.elem (i), s.c_str (), "", false, |
| 839 save_as_floats)) | |
| 4814 | 840 { |
| 841 H5Gclose (data_hid); | |
| 842 return false; | |
| 4687 | 843 } |
| 844 } | |
| 845 | |
| 846 H5Gclose (data_hid); | |
| 4815 | 847 |
| 4687 | 848 return true; |
| 849 } | |
| 850 | |
| 851 bool | |
| 852 octave_cell::load_hdf5 (hid_t loc_id, const char *name, | |
| 853 bool have_h5giterate_bug) | |
| 854 { | |
| 855 bool retval = false; | |
| 4837 | 856 |
| 857 dim_vector dv; | |
| 858 int empty = load_hdf5_empty (loc_id, name, dv); | |
| 859 if (empty > 0) | |
| 860 matrix.resize(dv); | |
| 861 if (empty) | |
| 862 return (empty > 0); | |
| 863 | |
| 4687 | 864 hid_t group_id = H5Gopen (loc_id, name); |
| 865 | |
| 866 if (group_id < 0) | |
| 867 return false; | |
| 868 | |
| 4814 | 869 hid_t data_hid = H5Dopen (group_id, "dims"); |
| 4687 | 870 hid_t space_hid = H5Dget_space (data_hid); |
| 871 hsize_t rank = H5Sget_simple_extent_ndims (space_hid); | |
| 4814 | 872 if (rank != 1) |
| 4687 | 873 { |
| 4837 | 874 H5Dclose (data_hid); |
| 875 H5Gclose (group_id); | |
| 4687 | 876 return false; |
| 877 } | |
| 878 | |
| 4814 | 879 OCTAVE_LOCAL_BUFFER (hsize_t, hdims, rank); |
| 880 OCTAVE_LOCAL_BUFFER (hsize_t, maxdims, rank); | |
| 4815 | 881 |
| 4814 | 882 H5Sget_simple_extent_dims (space_hid, hdims, maxdims); |
| 4687 | 883 |
| 4815 | 884 // Octave uses column-major, while HDF5 uses row-major ordering. |
| 885 | |
| 4814 | 886 dv.resize (hdims[0]); |
| 4815 | 887 |
| 5351 | 888 OCTAVE_LOCAL_BUFFER (octave_idx_type, tmp, hdims[0]); |
| 4814 | 889 |
| 5351 | 890 if (H5Dread (data_hid, H5T_NATIVE_IDX, H5S_ALL, H5S_ALL, |
| 4815 | 891 H5P_DEFAULT, tmp) < 0) |
| 4687 | 892 { |
| 4837 | 893 H5Dclose (data_hid); |
| 894 H5Gclose (group_id); | |
| 4687 | 895 return false; |
| 896 } | |
| 4815 | 897 |
| 4687 | 898 H5Dclose (data_hid); |
| 899 H5Gclose (group_id); | |
| 900 | |
| 4815 | 901 for (hsize_t i = 0, j = hdims[0] - 1; i < hdims[0]; i++, j--) |
| 4814 | 902 dv(j) = tmp[i]; |
| 903 | |
| 4687 | 904 hdf5_callback_data dsub; |
| 905 | |
| 906 herr_t retval2 = -1; | |
| 4815 | 907 |
| 4814 | 908 Cell m (dv); |
| 4815 | 909 |
| 4687 | 910 int current_item = 0; |
| 4815 | 911 |
| 4687 | 912 if (have_h5giterate_bug) |
| 4815 | 913 current_item = 1; // Skip dims items in group. |
| 4687 | 914 |
| 4696 | 915 #ifdef HAVE_H5GGET_NUM_OBJS |
| 916 hsize_t num_obj = 0; | |
| 5060 | 917 group_id = H5Gopen (loc_id, name); |
| 918 H5Gget_num_objs (group_id, &num_obj); | |
| 919 H5Gclose (group_id); | |
| 4696 | 920 #endif |
| 921 | |
| 5275 | 922 for (octave_idx_type i = 0; i < dv.numel (); i++) |
| 4687 | 923 { |
| 4696 | 924 |
| 925 #ifdef HAVE_H5GGET_NUM_OBJS | |
| 4814 | 926 if (current_item >= static_cast<int> (num_obj)) |
| 927 retval2 = -1; | |
| 928 else | |
| 4696 | 929 #endif |
| 4814 | 930 retval2 = H5Giterate (loc_id, name, ¤t_item, |
| 931 hdf5_read_next_data, &dsub); | |
| 932 | |
| 4687 | 933 if (retval2 <= 0) |
| 934 break; | |
| 4814 | 935 |
| 936 octave_value ov = dsub.tc; | |
| 937 m.elem (i) = ov; | |
| 938 | |
| 939 if (have_h5giterate_bug) | |
| 4815 | 940 current_item++; // H5Giterate returned the last index processed. |
| 4814 | 941 |
| 4687 | 942 } |
| 943 | |
| 944 if (retval2 >= 0) | |
| 945 { | |
| 946 matrix = m; | |
| 947 retval = true; | |
| 948 } | |
| 949 | |
| 950 return retval; | |
| 951 } | |
| 4815 | 952 |
| 4687 | 953 #endif |
| 954 | |
| 3354 | 955 DEFUN (iscell, args, , |
| 3448 | 956 "-*- texinfo -*-\n\ |
| 957 @deftypefn {Built-in Function} {} iscell (@var{x})\n\ | |
| 958 Return true if @var{x} is a cell array object. Otherwise, return\n\ | |
| 959 false.\n\ | |
| 960 @end deftypefn") | |
| 3354 | 961 { |
| 962 octave_value retval; | |
| 963 | |
| 964 if (args.length () == 1) | |
| 965 retval = args(0).is_cell (); | |
| 966 else | |
| 5823 | 967 print_usage (); |
| 3354 | 968 |
| 969 return retval; | |
| 970 } | |
| 971 | |
| 972 DEFUN (cell, args, , | |
| 3448 | 973 "-*- texinfo -*-\n\ |
| 974 @deftypefn {Built-in Function} {} cell (@var{x})\n\ | |
| 975 @deftypefnx {Built-in Function} {} cell (@var{n}, @var{m})\n\ | |
| 976 Create a new cell array object. If invoked with a single scalar\n\ | |
| 977 argument, @code{cell} returns a square cell array with the dimension\n\ | |
| 978 specified. If you supply two scalar arguments, @code{cell} takes\n\ | |
| 979 them to be the number of rows and columns. If given a vector with two\n\ | |
| 980 elements, @code{cell} uses the values of the elements as the number of\n\ | |
| 981 rows and columns, respectively.\n\ | |
| 982 @end deftypefn") | |
| 3354 | 983 { |
| 984 octave_value retval; | |
| 985 | |
| 986 int nargin = args.length (); | |
| 987 | |
| 4563 | 988 dim_vector dims; |
| 989 | |
| 3354 | 990 switch (nargin) |
| 991 { | |
| 4563 | 992 case 0: |
| 993 dims = dim_vector (0, 0); | |
| 3354 | 994 break; |
| 995 | |
| 4563 | 996 case 1: |
| 997 get_dimensions (args(0), "cell", dims); | |
| 3354 | 998 break; |
| 999 | |
| 1000 default: | |
| 4563 | 1001 { |
| 1002 dims.resize (nargin); | |
| 1003 | |
| 1004 for (int i = 0; i < nargin; i++) | |
| 1005 { | |
| 1006 dims(i) = args(i).is_empty () ? 0 : args(i).nint_value (); | |
| 1007 | |
| 1008 if (error_state) | |
| 1009 { | |
| 1010 error ("cell: expecting scalar arguments"); | |
| 1011 break; | |
| 1012 } | |
| 1013 } | |
| 1014 } | |
| 3354 | 1015 break; |
| 1016 } | |
| 1017 | |
| 4563 | 1018 if (! error_state) |
| 1019 { | |
| 1020 int ndim = dims.length (); | |
| 1021 | |
| 1022 check_dimensions (dims, "cell"); | |
| 1023 | |
| 1024 if (! error_state) | |
| 1025 { | |
| 1026 switch (ndim) | |
| 1027 { | |
| 1028 case 1: | |
| 1029 retval = Cell (dims(0), dims(0), Matrix ()); | |
| 1030 break; | |
| 1031 | |
| 1032 default: | |
| 1033 retval = Cell (dims, Matrix ()); | |
| 1034 break; | |
| 1035 } | |
| 1036 } | |
| 1037 } | |
| 1038 | |
| 3354 | 1039 return retval; |
| 1040 } | |
| 1041 | |
| 4610 | 1042 DEFUN (iscellstr, args, , |
| 1043 "-*- texinfo -*-\n\ | |
| 1044 @deftypefn {Built-in Function} {} iscellstr (@var{cell})\n\ | |
| 1045 Return true if every element of the cell array @var{cell} is a\n\ | |
| 1046 character string\n\ | |
| 1047 @end deftypefn") | |
| 1048 { | |
| 4699 | 1049 octave_value retval; |
| 4610 | 1050 |
| 1051 if (args.length () == 1) | |
| 6116 | 1052 retval = args(0).is_cellstr (); |
| 4610 | 1053 else |
| 5823 | 1054 print_usage (); |
| 4610 | 1055 |
| 1056 return retval; | |
| 1057 } | |
| 1058 | |
| 4817 | 1059 // Note that since Fcellstr calls Fiscellstr, we need to have |
| 1060 // Fiscellstr defined first (to provide a declaration) and also we | |
| 1061 // should keep it in the same file (so we don't have to provide a | |
| 1062 // declaration) and so we don't have to use feval to call it. | |
| 1063 | |
| 1064 DEFUN (cellstr, args, , | |
| 1065 "-*- texinfo -*-\n\ | |
| 1066 @deftypefn {Built-in Function} {} cellstr (@var{string})\n\ | |
| 1067 Create a new cell array object from the elements of the string\n\ | |
| 1068 array @var{string}.\n\ | |
| 1069 @end deftypefn") | |
| 1070 { | |
| 1071 octave_value retval; | |
| 1072 | |
| 1073 if (args.length () == 1) | |
| 1074 { | |
| 1075 octave_value_list tmp = Fiscellstr (args, 1); | |
| 1076 | |
| 1077 if (tmp(0).is_true ()) | |
| 1078 retval = args(0); | |
| 1079 else | |
| 1080 { | |
| 1081 string_vector s = args(0).all_strings (); | |
| 1082 | |
| 1083 if (! error_state) | |
| 7813 | 1084 retval = (s.is_empty () |
| 1085 ? Cell (octave_value (std::string ())) | |
| 1086 : Cell (s, true)); | |
| 4817 | 1087 else |
| 1088 error ("cellstr: expecting argument to be a 2-d character array"); | |
| 1089 } | |
| 1090 } | |
| 1091 else | |
| 5823 | 1092 print_usage (); |
| 4817 | 1093 |
| 1094 return retval; | |
| 1095 } | |
| 1096 | |
| 4762 | 1097 DEFUN (struct2cell, args, , |
| 1098 "-*- texinfo -*-\n\ | |
| 1099 @deftypefn {Built-in Function} {} struct2cell (@var{S})\n\ | |
| 1100 Create a new cell array from the objects stored in the struct object.\n\ | |
| 4764 | 1101 If @var{f} is the number of fields in the structure, the resulting\n\ |
| 1102 cell array will have a dimension vector corresponding to\n\ | |
| 1103 @code{[@var{F} size(@var{S})]}.\n\ | |
| 5642 | 1104 @seealso{cell2struct, fieldnames}\n\ |
| 1105 @end deftypefn") | |
| 4762 | 1106 { |
| 1107 octave_value retval; | |
| 4764 | 1108 |
| 4762 | 1109 int nargin = args.length (); |
| 4764 | 1110 |
| 4762 | 1111 if (nargin == 1) |
| 1112 { | |
| 4764 | 1113 Octave_map m = args(0).map_value (); |
| 1114 | |
| 4762 | 1115 if (! error_state) |
| 1116 { | |
| 1117 dim_vector m_dv = m.dims (); | |
| 4764 | 1118 |
| 4762 | 1119 string_vector keys = m.keys (); |
| 4764 | 1120 |
|
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1121 octave_idx_type num_fields = keys.length (); |
| 4764 | 1122 |
| 4762 | 1123 // The resulting dim_vector should have dimensions: |
| 1124 // [numel(fields) size(struct)] | |
| 4764 | 1125 |
| 4762 | 1126 dim_vector result_dv; |
| 4764 | 1127 result_dv.resize (m_dv.length () + 1); // Add 1 for the fields. |
| 1128 | |
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|
1129 result_dv(0) = num_fields; |
| 4762 | 1130 |
| 1131 for (int i = 1; i < result_dv.length (); i++) | |
| 1132 result_dv(i) = m_dv(i-1); | |
| 4764 | 1133 |
| 4762 | 1134 Cell c (result_dv); |
| 4764 | 1135 |
|
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1136 octave_idx_type n_elts = m.numel (); |
| 4764 | 1137 |
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1138 for (octave_idx_type j = 0; j < num_fields; j++) |
| 4762 | 1139 { |
|
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1140 octave_idx_type k = j; |
| 4764 | 1141 |
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1142 const Cell vals = m.contents (keys(j)); |
| 4764 | 1143 |
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1144 for (octave_idx_type i = 0; i < n_elts; i++) |
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parents:
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1145 { |
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parents:
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1146 c(k) = vals(i); |
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parents:
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1147 k += num_fields; |
| 4762 | 1148 } |
| 1149 } | |
| 1150 | |
| 1151 retval = c; | |
| 1152 } | |
| 1153 else | |
| 1154 error ("struct2cell: expecting argument to be a cell array"); | |
| 1155 } | |
| 1156 else | |
| 5823 | 1157 print_usage (); |
| 4764 | 1158 |
| 4762 | 1159 return retval; |
| 1160 } | |
| 1161 | |
| 5900 | 1162 mxArray * |
| 1163 octave_cell::as_mxArray (void) const | |
| 1164 { | |
| 1165 mxArray *retval = new mxArray (dims ()); | |
| 1166 | |
| 1167 mxArray **elts = static_cast<mxArray **> (retval->get_data ()); | |
| 1168 | |
| 6686 | 1169 mwSize nel = numel (); |
| 5900 | 1170 |
| 1171 const octave_value *p = matrix.data (); | |
| 1172 | |
| 6686 | 1173 for (mwIndex i = 0; i < nel; i++) |
| 5900 | 1174 elts[i] = new mxArray (p[i]); |
| 1175 | |
| 1176 return retval; | |
| 1177 } | |
| 1178 | |
| 3353 | 1179 /* |
| 1180 ;;; Local Variables: *** | |
| 1181 ;;; mode: C++ *** | |
| 1182 ;;; End: *** | |
| 1183 */ |