Mercurial > hg > octave-nkf
annotate src/ov-class.cc @ 8212:ebf6f6a0f9a7
Allow saving/loading of classes. Add saveobj and loadobj methods
| author | David Bateman <dbateman@free.fr> |
|---|---|
| date | Thu, 09 Oct 2008 20:09:13 +0100 |
| parents | 265a821f6555 |
| children | f8a885ccd5b4 |
| rev | line source |
|---|---|
| 7338 | 1 /* |
| 2 | |
| 3 Copyright (C) 2007 John W. Eaton | |
| 4 | |
| 5 This file is part of Octave. | |
| 6 | |
| 7 Octave is free software; you can redistribute it and/or modify it | |
| 8 under the terms of the GNU General Public License as published by the | |
| 7444 | 9 Free Software Foundation; either version 3 of the License, or (at your |
| 10 option) any later version. | |
| 7338 | 11 |
| 12 Octave is distributed in the hope that it will be useful, but WITHOUT | |
| 13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 15 for more details. | |
| 16 | |
| 17 You should have received a copy of the GNU General Public License | |
| 7444 | 18 along with Octave; see the file COPYING. If not, see |
| 19 <http://www.gnu.org/licenses/>. | |
| 7338 | 20 |
| 21 */ | |
| 22 | |
| 23 #ifdef HAVE_CONFIG_H | |
| 24 #include <config.h> | |
| 25 #endif | |
| 26 | |
| 27 #include <iostream> | |
| 28 | |
| 29 #include "Array-util.h" | |
| 30 #include "byte-swap.h" | |
| 31 | |
| 32 #include "Cell.h" | |
| 33 #include "defun.h" | |
| 34 #include "error.h" | |
| 35 #include "gripes.h" | |
| 36 #include "load-path.h" | |
| 37 #include "ls-hdf5.h" | |
| 38 #include "ls-oct-ascii.h" | |
| 39 #include "ls-oct-binary.h" | |
| 40 #include "ls-utils.h" | |
| 41 #include "oct-lvalue.h" | |
| 42 #include "ov-class.h" | |
| 43 #include "ov-fcn.h" | |
| 44 #include "pager.h" | |
| 45 #include "parse.h" | |
| 46 #include "pr-output.h" | |
| 47 #include "toplev.h" | |
| 48 #include "unwind-prot.h" | |
| 49 #include "variables.h" | |
| 50 | |
| 51 DEFINE_OCTAVE_ALLOCATOR(octave_class); | |
| 52 | |
| 53 int octave_class::t_id (-1); | |
| 54 | |
| 55 const std::string octave_class::t_name ("class"); | |
| 56 | |
| 57 void | |
| 58 octave_class::register_type (void) | |
| 59 { | |
| 60 t_id = octave_value_typeinfo::register_type | |
| 61 (octave_class::t_name, "<unknown>", octave_value (new octave_class ())); | |
| 62 } | |
| 63 | |
| 64 Cell | |
| 65 octave_class::dotref (const octave_value_list& idx) | |
| 66 { | |
| 67 Cell retval; | |
| 68 | |
| 69 assert (idx.length () == 1); | |
| 70 | |
| 71 std::string nm = idx(0).string_value (); | |
| 72 | |
| 73 Octave_map::const_iterator p = map.seek (nm); | |
| 74 | |
| 75 if (p != map.end ()) | |
| 76 retval = map.contents (p); | |
| 77 else | |
| 78 error ("class has no member `%s'", nm.c_str ()); | |
| 79 | |
| 80 return retval; | |
| 81 } | |
| 82 | |
| 83 static void | |
| 84 gripe_invalid_index (void) | |
| 85 { | |
| 86 error ("invalid index for class"); | |
| 87 } | |
| 88 | |
| 89 static void | |
| 90 gripe_invalid_index_for_assignment (void) | |
| 91 { | |
| 92 error ("invalid index for class assignment"); | |
| 93 } | |
| 94 | |
| 95 static void | |
| 96 gripe_invalid_index_type (const std::string& nm, char t) | |
| 97 { | |
| 98 error ("%s cannot be indexed with %c", nm.c_str (), t); | |
| 99 } | |
| 100 | |
| 101 static void | |
| 102 gripe_failed_assignment (void) | |
| 103 { | |
| 104 error ("assignment to class element failed"); | |
| 105 } | |
| 106 | |
| 107 static inline octave_value_list | |
| 108 sanitize (const octave_value_list& ovl) | |
| 109 { | |
| 110 octave_value_list retval = ovl; | |
| 111 | |
| 112 for (octave_idx_type i = 0; i < ovl.length (); i++) | |
| 113 { | |
| 114 if (retval(i).is_magic_colon ()) | |
| 115 retval(i) = ":"; | |
| 116 } | |
| 117 | |
| 118 return retval; | |
| 119 } | |
| 120 | |
| 121 static inline octave_value | |
| 122 make_idx_args (const std::string& type, | |
| 123 const std::list<octave_value_list>& idx, | |
| 124 const std::string& who) | |
| 125 { | |
| 126 octave_value retval; | |
| 127 | |
| 128 size_t len = type.length (); | |
| 129 | |
| 130 if (len == idx.size ()) | |
| 131 { | |
| 132 Cell type_field (len, 1); | |
| 133 Cell subs_field (len, 1); | |
| 134 | |
| 135 std::list<octave_value_list>::const_iterator p = idx.begin (); | |
| 136 | |
| 137 for (size_t i = 0; i < len; i++) | |
| 138 { | |
| 139 char t = type[i]; | |
| 140 | |
| 141 switch (t) | |
| 142 { | |
| 143 case '(': | |
| 144 type_field(i) = "()"; | |
| 145 subs_field(i) = Cell (sanitize (*p++)); | |
| 146 break; | |
| 147 | |
| 148 case '{': | |
| 149 type_field(i) = "{}"; | |
| 150 subs_field(i) = Cell (sanitize (*p++)); | |
| 151 break; | |
| 152 | |
| 153 case '.': | |
| 154 { | |
| 155 type_field(i) = "."; | |
| 156 | |
| 157 octave_value_list vlist = *p++; | |
| 158 | |
| 159 if (vlist.length () == 1) | |
| 160 { | |
| 161 octave_value val = vlist(0); | |
| 162 | |
| 163 if (val.is_string ()) | |
| 164 subs_field(i) = val; | |
| 165 else | |
| 166 { | |
| 167 error ("expecting character string argument for `.' index"); | |
| 168 return retval; | |
| 169 } | |
| 170 } | |
| 171 else | |
| 172 { | |
| 173 error ("expecting single argument for `.' index"); | |
| 174 return retval; | |
| 175 } | |
| 176 } | |
| 177 break; | |
| 178 | |
| 179 default: | |
| 180 panic_impossible (); | |
| 181 break; | |
| 182 } | |
| 183 } | |
| 184 | |
| 185 Octave_map m; | |
| 186 | |
| 187 m.assign ("type", type_field); | |
| 188 m.assign ("subs", subs_field); | |
| 189 | |
| 190 retval = m; | |
| 191 } | |
| 192 else | |
| 193 error ("invalid index for %s", who.c_str ()); | |
| 194 | |
| 195 return retval; | |
| 196 } | |
| 197 | |
| 198 octave_value_list | |
| 199 octave_class::subsref (const std::string& type, | |
| 200 const std::list<octave_value_list>& idx, | |
| 201 int nargout) | |
| 202 { | |
| 203 octave_value_list retval; | |
| 204 | |
| 205 if (in_class_method ()) | |
| 206 { | |
| 207 // FIXME -- this block of code is the same as the body of | |
| 208 // octave_struct::subsref. Maybe it could be shared instead of | |
| 209 // duplicated. | |
| 210 | |
| 211 int skip = 1; | |
| 212 | |
| 213 switch (type[0]) | |
| 214 { | |
| 215 case '(': | |
| 216 { | |
| 217 if (type.length () > 1 && type[1] == '.') | |
| 218 { | |
| 219 std::list<octave_value_list>::const_iterator p = idx.begin (); | |
| 220 octave_value_list key_idx = *++p; | |
| 221 | |
| 222 Cell tmp = dotref (key_idx); | |
| 223 | |
| 224 if (! error_state) | |
| 225 { | |
| 226 Cell t = tmp.index (idx.front ()); | |
| 227 | |
| 228 retval(0) = (t.length () == 1) ? t(0) : octave_value (t, true); | |
| 229 | |
| 230 // We handled two index elements, so tell | |
| 231 // next_subsref to skip both of them. | |
| 232 | |
| 233 skip++; | |
| 234 } | |
| 235 } | |
| 236 else | |
| 237 retval(0) = map.index (idx.front ()); | |
| 238 } | |
| 239 break; | |
| 240 | |
| 241 case '.': | |
| 242 { | |
| 243 if (map.numel() > 0) | |
| 244 { | |
| 245 Cell t = dotref (idx.front ()); | |
| 246 | |
| 247 retval(0) = (t.length () == 1) ? t(0) : octave_value (t, true); | |
| 248 } | |
| 249 } | |
| 250 break; | |
| 251 | |
| 252 case '{': | |
| 253 gripe_invalid_index_type (type_name (), type[0]); | |
| 254 break; | |
| 255 | |
| 256 default: | |
| 257 panic_impossible (); | |
| 258 } | |
| 259 | |
| 260 // FIXME -- perhaps there should be an | |
| 261 // octave_value_list::next_subsref member function? See also | |
| 262 // octave_user_function::subsref. | |
| 263 | |
| 264 if (idx.size () > 1) | |
| 265 retval = retval(0).next_subsref (nargout, type, idx, skip); | |
| 266 } | |
| 267 else | |
| 268 { | |
| 269 octave_value meth = symbol_table::find_method ("subsref", class_name ()); | |
| 270 | |
| 271 if (meth.is_defined ()) | |
| 272 { | |
| 273 octave_value_list args; | |
| 274 | |
| 275 args(1) = make_idx_args (type, idx, "subsref"); | |
| 276 | |
| 277 if (error_state) | |
| 278 return octave_value_list (); | |
| 279 | |
| 280 count++; | |
| 281 args(0) = octave_value (this); | |
| 282 | |
| 283 return feval (meth.function_value (), args, nargout); | |
| 284 } | |
| 285 else | |
| 286 { | |
| 287 if (type.length () == 1 && type[0] == '(') | |
| 288 retval(0) = octave_value (map.index (idx.front ()), class_name ()); | |
| 289 else | |
| 290 gripe_invalid_index (); | |
| 291 } | |
| 292 } | |
| 293 | |
| 294 return retval; | |
| 295 } | |
| 296 | |
| 297 octave_value | |
| 298 octave_class::numeric_conv (const Cell& val, const std::string& type) | |
| 299 { | |
| 300 octave_value retval; | |
| 301 | |
| 302 if (val.length () == 1) | |
| 303 { | |
| 304 retval = val(0); | |
| 305 | |
| 306 if (type.length () > 0 && type[0] == '.' && ! retval.is_map ()) | |
| 307 retval = Octave_map (); | |
| 308 } | |
| 309 else | |
| 310 gripe_invalid_index_for_assignment (); | |
| 311 | |
| 312 return retval; | |
| 313 } | |
| 314 | |
| 315 octave_value | |
| 316 octave_class::subsasgn (const std::string& type, | |
| 317 const std::list<octave_value_list>& idx, | |
| 318 const octave_value& rhs) | |
| 319 { | |
| 320 octave_value retval; | |
| 321 | |
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322 if (in_class_method () && ! rhs.is_object ()) |
| 7338 | 323 { |
| 324 // FIXME -- this block of code is the same as the body of | |
| 325 // octave_struct::subsasgn. Maybe it could be shared instead of | |
| 326 // duplicated. | |
| 327 | |
| 328 int n = type.length (); | |
| 329 | |
| 330 octave_value t_rhs = rhs; | |
| 331 | |
| 332 if (n > 1 && ! (type.length () == 2 && type[0] == '(' && type[1] == '.')) | |
| 333 { | |
| 334 switch (type[0]) | |
| 335 { | |
| 336 case '(': | |
| 337 { | |
| 338 if (type.length () > 1 && type[1] == '.') | |
| 339 { | |
| 340 std::list<octave_value_list>::const_iterator p = idx.begin (); | |
| 341 octave_value_list t_idx = *p; | |
| 342 | |
| 343 octave_value_list key_idx = *++p; | |
| 344 | |
| 345 assert (key_idx.length () == 1); | |
| 346 | |
| 347 std::string key = key_idx(0).string_value (); | |
| 348 | |
| 349 octave_value u; | |
| 350 | |
| 351 if (! map.contains (key)) | |
| 352 u = octave_value::empty_conv (type.substr (2), rhs); | |
| 353 else | |
| 354 { | |
| 355 Cell map_val = map.contents (key); | |
| 356 | |
| 357 Cell map_elt = map_val.index (idx.front (), true); | |
| 358 | |
| 359 u = numeric_conv (map_elt, type.substr (2)); | |
| 360 } | |
| 361 | |
| 362 if (! error_state) | |
| 363 { | |
| 364 std::list<octave_value_list> next_idx (idx); | |
| 365 | |
| 366 // We handled two index elements, so subsasgn to | |
| 367 // needs to skip both of them. | |
| 368 | |
| 369 next_idx.erase (next_idx.begin ()); | |
| 370 next_idx.erase (next_idx.begin ()); | |
| 371 | |
| 372 u.make_unique (); | |
| 373 | |
| 374 t_rhs = u.subsasgn (type.substr (2), next_idx, rhs); | |
| 375 } | |
| 376 } | |
| 377 else | |
| 378 gripe_invalid_index_for_assignment (); | |
| 379 } | |
| 380 break; | |
| 381 | |
| 382 case '.': | |
| 383 { | |
| 384 octave_value_list key_idx = idx.front (); | |
| 385 | |
| 386 assert (key_idx.length () == 1); | |
| 387 | |
| 388 std::string key = key_idx(0).string_value (); | |
| 389 | |
| 390 octave_value u; | |
| 391 | |
| 392 if (! map.contains (key)) | |
| 393 u = octave_value::empty_conv (type.substr (1), rhs); | |
| 394 else | |
| 395 { | |
| 396 Cell map_val = map.contents (key); | |
| 397 | |
| 398 u = numeric_conv (map_val, type.substr (1)); | |
| 399 } | |
| 400 | |
| 401 if (! error_state) | |
| 402 { | |
| 403 std::list<octave_value_list> next_idx (idx); | |
| 404 | |
| 405 next_idx.erase (next_idx.begin ()); | |
| 406 | |
| 407 u.make_unique (); | |
| 408 | |
| 409 t_rhs = u.subsasgn (type.substr (1), next_idx, rhs); | |
| 410 } | |
| 411 } | |
| 412 break; | |
| 413 | |
| 414 case '{': | |
| 415 gripe_invalid_index_type (type_name (), type[0]); | |
| 416 break; | |
| 417 | |
| 418 default: | |
| 419 panic_impossible (); | |
| 420 } | |
| 421 } | |
| 422 | |
| 423 if (! error_state) | |
| 424 { | |
| 425 switch (type[0]) | |
| 426 { | |
| 427 case '(': | |
| 428 { | |
| 429 if (n > 1 && type[1] == '.') | |
| 430 { | |
| 431 std::list<octave_value_list>::const_iterator p = idx.begin (); | |
| 432 octave_value_list key_idx = *++p; | |
| 433 | |
| 434 assert (key_idx.length () == 1); | |
| 435 | |
| 436 std::string key = key_idx(0).string_value (); | |
| 437 | |
| 438 if (! error_state) | |
| 439 { | |
| 440 map.assign (idx.front (), key, t_rhs); | |
| 441 | |
| 442 if (! error_state) | |
| 443 { | |
| 444 count++; | |
| 445 retval = octave_value (this); | |
| 446 } | |
| 447 else | |
| 448 gripe_failed_assignment (); | |
| 449 } | |
| 450 else | |
| 451 gripe_failed_assignment (); | |
| 452 } | |
| 453 else | |
| 454 { | |
| 455 if (t_rhs.is_map()) | |
| 456 { | |
| 457 Octave_map rhs_map = t_rhs.map_value (); | |
| 458 | |
| 459 if (! error_state) | |
| 460 { | |
| 461 map.assign (idx.front (), rhs_map); | |
| 462 | |
| 463 if (! error_state) | |
| 464 { | |
| 465 count++; | |
| 466 retval = octave_value (this); | |
| 467 } | |
| 468 else | |
| 469 gripe_failed_assignment (); | |
| 470 } | |
| 471 else | |
| 472 error ("invalid class assignment"); | |
| 473 } | |
| 474 else | |
| 475 { | |
| 476 if (t_rhs.is_empty()) | |
| 477 { | |
| 478 map.maybe_delete_elements (idx.front()); | |
| 479 | |
| 480 if (! error_state) | |
| 481 { | |
| 482 count++; | |
| 483 retval = octave_value (this); | |
| 484 } | |
| 485 else | |
| 486 gripe_failed_assignment (); | |
| 487 } | |
| 488 else | |
| 489 error ("invalid class assignment"); | |
| 490 } | |
| 491 } | |
| 492 } | |
| 493 break; | |
| 494 | |
| 495 case '.': | |
| 496 { | |
| 497 octave_value_list key_idx = idx.front (); | |
| 498 | |
| 499 assert (key_idx.length () == 1); | |
| 500 | |
| 501 std::string key = key_idx(0).string_value (); | |
| 502 | |
| 503 map.assign (key, t_rhs); | |
| 504 | |
| 505 if (! error_state) | |
| 506 { | |
| 507 count++; | |
| 508 retval = octave_value (this); | |
| 509 } | |
| 510 else | |
| 511 gripe_failed_assignment (); | |
| 512 } | |
| 513 break; | |
| 514 | |
| 515 case '{': | |
| 516 gripe_invalid_index_type (type_name (), type[0]); | |
| 517 break; | |
| 518 | |
| 519 default: | |
| 520 panic_impossible (); | |
| 521 } | |
| 522 } | |
| 523 else | |
| 524 gripe_failed_assignment (); | |
| 525 } | |
| 526 else | |
| 527 { | |
| 528 octave_value meth = symbol_table::find_method ("subsasgn", class_name ()); | |
| 529 | |
| 530 if (meth.is_defined ()) | |
| 531 { | |
| 532 octave_value_list args; | |
| 533 | |
| 534 args(2) = rhs; | |
| 535 | |
| 536 args(1) = make_idx_args (type, idx, "subsasgn"); | |
| 537 | |
| 538 if (error_state) | |
| 539 return octave_value_list (); | |
| 540 | |
| 541 count++; | |
| 542 args(0) = octave_value (this); | |
| 543 | |
| 544 octave_value_list tmp = feval (meth.function_value (), args); | |
| 545 | |
| 546 // FIXME -- should the subsasgn method be able to return | |
| 547 // more than one value? | |
| 548 | |
| 549 if (tmp.length () > 1) | |
| 550 error ("expecting single return value from @%s/subsasgn", | |
| 551 class_name().c_str ()); | |
| 552 else | |
| 553 retval = tmp(0); | |
| 554 | |
| 555 } | |
| 556 else | |
| 557 error ("no subsasgn method defined for class %s", | |
| 558 class_name().c_str ()); | |
| 559 } | |
| 560 | |
| 561 return retval; | |
| 562 } | |
| 563 | |
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564 idx_vector |
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565 octave_class::index_vector (void) const |
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566 { |
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567 idx_vector retval; |
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568 |
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569 octave_value meth = symbol_table::find_method ("subsindex", class_name ()); |
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570 |
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571 if (meth.is_defined ()) |
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572 { |
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573 octave_value_list args; |
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574 args(0) = octave_value (new octave_class (map, c_name)); |
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575 |
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576 octave_value_list tmp = feval (meth.function_value (), args, 1); |
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577 |
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578 if (!error_state && tmp.length () >= 1) |
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579 { |
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580 if (tmp(0).is_object()) |
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581 error ("subsindex function must return a valid index vector"); |
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582 else |
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583 // Index vector returned by subsindex is zero based |
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584 // (why this inconsistency Mathworks?), and so we must |
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585 // add one to the value returned as the index_vector method |
|
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586 // expects it to be one based. |
|
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587 retval = do_binary_op (octave_value::op_add, tmp (0), |
|
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|
588 octave_value (1.0)).index_vector (); |
|
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diff
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|
589 } |
|
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David Bateman <dbateman@free.fr>
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diff
changeset
|
590 } |
|
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David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
591 else |
|
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David Bateman <dbateman@free.fr>
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diff
changeset
|
592 error ("no subsindex method defined for class %s", |
|
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|
593 class_name().c_str ()); |
|
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diff
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|
594 |
|
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|
595 return retval; |
|
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changeset
|
596 } |
|
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|
597 |
| 7338 | 598 size_t |
| 599 octave_class::byte_size (void) const | |
| 600 { | |
| 601 // Neglect the size of the fieldnames. | |
| 602 | |
| 603 size_t retval = 0; | |
| 604 | |
| 605 for (Octave_map::const_iterator p = map.begin (); p != map.end (); p++) | |
| 606 { | |
| 607 std::string key = map.key (p); | |
| 608 | |
| 609 octave_value val = octave_value (map.contents (p)); | |
| 610 | |
| 611 retval += val.byte_size (); | |
| 612 } | |
| 613 | |
| 614 return retval; | |
| 615 } | |
| 616 | |
| 617 string_vector | |
| 618 octave_class::map_keys (void) const | |
| 619 { | |
| 620 string_vector retval; | |
| 621 gripe_wrong_type_arg ("octave_class::map_keys()", type_name ()); | |
| 622 return retval; | |
| 623 } | |
| 624 | |
| 625 void | |
| 626 octave_class::print (std::ostream& os, bool) const | |
| 627 { | |
| 628 print_raw (os); | |
| 629 } | |
| 630 | |
| 631 void | |
| 632 octave_class::print_raw (std::ostream& os, bool) const | |
| 633 { | |
| 634 unwind_protect::begin_frame ("octave_class_print"); | |
| 635 | |
| 636 unwind_protect_int (Vstruct_levels_to_print); | |
| 637 | |
| 638 indent (os); | |
| 639 os << " <class " << class_name () << ">"; | |
| 640 newline (os); | |
| 641 | |
| 642 unwind_protect::run_frame ("octave_class_print"); | |
| 643 } | |
| 644 | |
| 645 bool | |
| 646 octave_class::print_name_tag (std::ostream& os, const std::string& name) const | |
| 647 { | |
| 648 bool retval = false; | |
| 649 | |
| 650 indent (os); | |
| 651 os << name << " ="; | |
| 652 newline (os); | |
| 653 newline (os); | |
| 654 | |
| 655 return retval; | |
| 656 } | |
| 657 | |
| 658 void | |
| 659 octave_class::print_with_name (std::ostream&, const std::string& name, | |
| 660 bool) const | |
| 661 { | |
| 662 if (! (evaluating_function_body && Vsilent_functions)) | |
| 663 { | |
| 664 octave_value fcn = symbol_table::find_method ("display", class_name ()); | |
| 665 | |
| 666 if (fcn.is_defined ()) | |
| 667 { | |
| 668 octave_value_list args; | |
| 669 | |
| 670 args(0) = octave_value (clone (), 1); | |
| 671 | |
| 672 string_vector arg_names (1); | |
| 673 | |
| 674 arg_names[0] = name; | |
| 675 | |
| 676 args.stash_name_tags (arg_names); | |
| 677 | |
| 678 feval (fcn.function_value (), args); | |
| 679 } | |
| 680 } | |
| 681 } | |
| 682 | |
|
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683 bool |
|
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|
684 octave_class::save_ascii (std::ostream& os) |
| 7338 | 685 { |
|
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|
686 os << "# classname: " << class_name () << "\n"; |
|
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|
687 Octave_map m; |
|
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|
688 if (load_path::find_method (class_name (), "saveobj") != std::string()) |
|
ebf6f6a0f9a7
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|
689 { |
|
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changeset
|
690 octave_value in = new octave_class (*this); |
|
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Allow saving/loading of classes. Add saveobj and loadobj methods
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changeset
|
691 octave_value_list tmp = feval ("saveobj", in, 1); |
|
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David Bateman <dbateman@free.fr>
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|
692 if (! error_state) |
|
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diff
changeset
|
693 m = tmp(0).map_value (); |
|
ebf6f6a0f9a7
Allow saving/loading of classes. Add saveobj and loadobj methods
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changeset
|
694 else |
|
ebf6f6a0f9a7
Allow saving/loading of classes. Add saveobj and loadobj methods
David Bateman <dbateman@free.fr>
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|
695 return false; |
|
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David Bateman <dbateman@free.fr>
parents:
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changeset
|
696 } |
|
ebf6f6a0f9a7
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David Bateman <dbateman@free.fr>
parents:
8154
diff
changeset
|
697 else |
|
ebf6f6a0f9a7
Allow saving/loading of classes. Add saveobj and loadobj methods
David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
698 m = map_value (); |
| 7338 | 699 |
|
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diff
changeset
|
700 os << "# length: " << m.nfields () << "\n"; |
| 7338 | 701 |
| 702 Octave_map::iterator i = m.begin (); | |
| 703 while (i != m.end ()) | |
| 704 { | |
| 705 octave_value val = map.contents (i); | |
| 706 | |
|
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Allow saving/loading of classes. Add saveobj and loadobj methods
David Bateman <dbateman@free.fr>
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diff
changeset
|
707 bool b = save_ascii_data (os, val, m.key (i), false, 0); |
| 7338 | 708 |
| 709 if (! b) | |
| 710 return os; | |
| 711 | |
| 712 i++; | |
| 713 } | |
| 714 | |
| 715 return true; | |
| 716 } | |
| 717 | |
| 718 bool | |
| 719 octave_class::load_ascii (std::istream& is) | |
| 720 { | |
| 721 octave_idx_type len = 0; | |
|
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Allow saving/loading of classes. Add saveobj and loadobj methods
David Bateman <dbateman@free.fr>
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changeset
|
722 std::string classname; |
| 7338 | 723 bool success = true; |
| 724 | |
|
8212
ebf6f6a0f9a7
Allow saving/loading of classes. Add saveobj and loadobj methods
David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
725 if (extract_keyword (is, "classname", classname) && classname != "") |
| 7338 | 726 { |
|
8212
ebf6f6a0f9a7
Allow saving/loading of classes. Add saveobj and loadobj methods
David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
727 if (extract_keyword (is, "length", len) && len >= 0) |
| 7338 | 728 { |
|
8212
ebf6f6a0f9a7
Allow saving/loading of classes. Add saveobj and loadobj methods
David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
729 if (len > 0) |
|
ebf6f6a0f9a7
Allow saving/loading of classes. Add saveobj and loadobj methods
David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
730 { |
|
ebf6f6a0f9a7
Allow saving/loading of classes. Add saveobj and loadobj methods
David Bateman <dbateman@free.fr>
parents:
8154
diff
changeset
|
731 Octave_map m (map); |
| 7338 | 732 |
|
8212
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Allow saving/loading of classes. Add saveobj and loadobj methods
David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
733 for (octave_idx_type j = 0; j < len; j++) |
|
ebf6f6a0f9a7
Allow saving/loading of classes. Add saveobj and loadobj methods
David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
734 { |
|
ebf6f6a0f9a7
Allow saving/loading of classes. Add saveobj and loadobj methods
David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
735 octave_value t2; |
|
ebf6f6a0f9a7
Allow saving/loading of classes. Add saveobj and loadobj methods
David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
736 bool dummy; |
| 7338 | 737 |
|
8212
ebf6f6a0f9a7
Allow saving/loading of classes. Add saveobj and loadobj methods
David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
738 // recurse to read cell elements |
|
ebf6f6a0f9a7
Allow saving/loading of classes. Add saveobj and loadobj methods
David Bateman <dbateman@free.fr>
parents:
8154
diff
changeset
|
739 std::string nm |
|
ebf6f6a0f9a7
Allow saving/loading of classes. Add saveobj and loadobj methods
David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
740 = read_ascii_data (is, std::string (), dummy, t2, j); |
| 7338 | 741 |
|
8212
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David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
742 if (!is) |
|
ebf6f6a0f9a7
Allow saving/loading of classes. Add saveobj and loadobj methods
David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
743 break; |
| 7338 | 744 |
|
8212
ebf6f6a0f9a7
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David Bateman <dbateman@free.fr>
parents:
8154
diff
changeset
|
745 Cell tcell = t2.is_cell () ? t2.cell_value () : Cell (t2); |
| 7338 | 746 |
|
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Allow saving/loading of classes. Add saveobj and loadobj methods
David Bateman <dbateman@free.fr>
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diff
changeset
|
747 if (error_state) |
|
ebf6f6a0f9a7
Allow saving/loading of classes. Add saveobj and loadobj methods
David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
748 { |
|
ebf6f6a0f9a7
Allow saving/loading of classes. Add saveobj and loadobj methods
David Bateman <dbateman@free.fr>
parents:
8154
diff
changeset
|
749 error ("load: internal error loading class elements"); |
|
ebf6f6a0f9a7
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David Bateman <dbateman@free.fr>
parents:
8154
diff
changeset
|
750 return false; |
|
ebf6f6a0f9a7
Allow saving/loading of classes. Add saveobj and loadobj methods
David Bateman <dbateman@free.fr>
parents:
8154
diff
changeset
|
751 } |
|
ebf6f6a0f9a7
Allow saving/loading of classes. Add saveobj and loadobj methods
David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
752 |
|
ebf6f6a0f9a7
Allow saving/loading of classes. Add saveobj and loadobj methods
David Bateman <dbateman@free.fr>
parents:
8154
diff
changeset
|
753 m.assign (nm, tcell); |
| 7338 | 754 } |
| 755 | |
|
8212
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David Bateman <dbateman@free.fr>
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8154
diff
changeset
|
756 if (is) |
|
ebf6f6a0f9a7
Allow saving/loading of classes. Add saveobj and loadobj methods
David Bateman <dbateman@free.fr>
parents:
8154
diff
changeset
|
757 { |
|
ebf6f6a0f9a7
Allow saving/loading of classes. Add saveobj and loadobj methods
David Bateman <dbateman@free.fr>
parents:
8154
diff
changeset
|
758 map = m; |
|
ebf6f6a0f9a7
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David Bateman <dbateman@free.fr>
parents:
8154
diff
changeset
|
759 c_name = classname; |
|
ebf6f6a0f9a7
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David Bateman <dbateman@free.fr>
parents:
8154
diff
changeset
|
760 |
|
ebf6f6a0f9a7
Allow saving/loading of classes. Add saveobj and loadobj methods
David Bateman <dbateman@free.fr>
parents:
8154
diff
changeset
|
761 if (load_path::find_method (classname, "loadobj") != |
|
ebf6f6a0f9a7
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David Bateman <dbateman@free.fr>
parents:
8154
diff
changeset
|
762 std::string()) |
|
ebf6f6a0f9a7
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David Bateman <dbateman@free.fr>
parents:
8154
diff
changeset
|
763 { |
|
ebf6f6a0f9a7
Allow saving/loading of classes. Add saveobj and loadobj methods
David Bateman <dbateman@free.fr>
parents:
8154
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changeset
|
764 octave_value in = new octave_class (*this); |
|
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Allow saving/loading of classes. Add saveobj and loadobj methods
David Bateman <dbateman@free.fr>
parents:
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changeset
|
765 octave_value_list tmp = feval ("loadobj", in, 1); |
| 7338 | 766 |
|
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David Bateman <dbateman@free.fr>
parents:
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changeset
|
767 if (! error_state) |
|
ebf6f6a0f9a7
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David Bateman <dbateman@free.fr>
parents:
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changeset
|
768 map = tmp(0).map_value (); |
|
ebf6f6a0f9a7
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David Bateman <dbateman@free.fr>
parents:
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changeset
|
769 else |
|
ebf6f6a0f9a7
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David Bateman <dbateman@free.fr>
parents:
8154
diff
changeset
|
770 success = false; |
|
ebf6f6a0f9a7
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David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
771 } |
|
ebf6f6a0f9a7
Allow saving/loading of classes. Add saveobj and loadobj methods
David Bateman <dbateman@free.fr>
parents:
8154
diff
changeset
|
772 } |
|
ebf6f6a0f9a7
Allow saving/loading of classes. Add saveobj and loadobj methods
David Bateman <dbateman@free.fr>
parents:
8154
diff
changeset
|
773 else |
|
ebf6f6a0f9a7
Allow saving/loading of classes. Add saveobj and loadobj methods
David Bateman <dbateman@free.fr>
parents:
8154
diff
changeset
|
774 { |
|
ebf6f6a0f9a7
Allow saving/loading of classes. Add saveobj and loadobj methods
David Bateman <dbateman@free.fr>
parents:
8154
diff
changeset
|
775 error ("load: failed to load class"); |
|
ebf6f6a0f9a7
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David Bateman <dbateman@free.fr>
parents:
8154
diff
changeset
|
776 success = false; |
|
ebf6f6a0f9a7
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David Bateman <dbateman@free.fr>
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changeset
|
777 } |
| 7338 | 778 } |
|
8212
ebf6f6a0f9a7
Allow saving/loading of classes. Add saveobj and loadobj methods
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diff
changeset
|
779 else if (len == 0 ) |
|
ebf6f6a0f9a7
Allow saving/loading of classes. Add saveobj and loadobj methods
David Bateman <dbateman@free.fr>
parents:
8154
diff
changeset
|
780 { |
|
ebf6f6a0f9a7
Allow saving/loading of classes. Add saveobj and loadobj methods
David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
781 map = Octave_map (dim_vector (1, 1)); |
|
ebf6f6a0f9a7
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David Bateman <dbateman@free.fr>
parents:
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changeset
|
782 c_name = classname; |
|
ebf6f6a0f9a7
Allow saving/loading of classes. Add saveobj and loadobj methods
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parents:
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diff
changeset
|
783 } |
|
ebf6f6a0f9a7
Allow saving/loading of classes. Add saveobj and loadobj methods
David Bateman <dbateman@free.fr>
parents:
8154
diff
changeset
|
784 else |
|
ebf6f6a0f9a7
Allow saving/loading of classes. Add saveobj and loadobj methods
David Bateman <dbateman@free.fr>
parents:
8154
diff
changeset
|
785 panic_impossible (); |
| 7338 | 786 } |
|
8212
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David Bateman <dbateman@free.fr>
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changeset
|
787 else |
|
ebf6f6a0f9a7
Allow saving/loading of classes. Add saveobj and loadobj methods
David Bateman <dbateman@free.fr>
parents:
8154
diff
changeset
|
788 { |
|
ebf6f6a0f9a7
Allow saving/loading of classes. Add saveobj and loadobj methods
David Bateman <dbateman@free.fr>
parents:
8154
diff
changeset
|
789 error ("load: failed to extract number of elements in class"); |
|
ebf6f6a0f9a7
Allow saving/loading of classes. Add saveobj and loadobj methods
David Bateman <dbateman@free.fr>
parents:
8154
diff
changeset
|
790 success = false; |
|
ebf6f6a0f9a7
Allow saving/loading of classes. Add saveobj and loadobj methods
David Bateman <dbateman@free.fr>
parents:
8154
diff
changeset
|
791 } |
| 7338 | 792 } |
|
8212
ebf6f6a0f9a7
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David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
793 else |
|
ebf6f6a0f9a7
Allow saving/loading of classes. Add saveobj and loadobj methods
David Bateman <dbateman@free.fr>
parents:
8154
diff
changeset
|
794 { |
|
ebf6f6a0f9a7
Allow saving/loading of classes. Add saveobj and loadobj methods
David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
795 error ("load: failed to extract name of class"); |
|
ebf6f6a0f9a7
Allow saving/loading of classes. Add saveobj and loadobj methods
David Bateman <dbateman@free.fr>
parents:
8154
diff
changeset
|
796 success = false; |
|
ebf6f6a0f9a7
Allow saving/loading of classes. Add saveobj and loadobj methods
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parents:
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diff
changeset
|
797 } |
| 7338 | 798 |
| 799 return success; | |
| 800 } | |
| 801 | |
| 802 bool | |
| 803 octave_class::save_binary (std::ostream& os, bool& save_as_floats) | |
| 804 { | |
|
8212
ebf6f6a0f9a7
Allow saving/loading of classes. Add saveobj and loadobj methods
David Bateman <dbateman@free.fr>
parents:
8154
diff
changeset
|
805 int32_t classname_len = class_name().length (); |
|
ebf6f6a0f9a7
Allow saving/loading of classes. Add saveobj and loadobj methods
David Bateman <dbateman@free.fr>
parents:
8154
diff
changeset
|
806 |
|
ebf6f6a0f9a7
Allow saving/loading of classes. Add saveobj and loadobj methods
David Bateman <dbateman@free.fr>
parents:
8154
diff
changeset
|
807 os.write (reinterpret_cast<char *> (&classname_len), 4); |
|
ebf6f6a0f9a7
Allow saving/loading of classes. Add saveobj and loadobj methods
David Bateman <dbateman@free.fr>
parents:
8154
diff
changeset
|
808 os << class_name (); |
| 7338 | 809 |
|
8212
ebf6f6a0f9a7
Allow saving/loading of classes. Add saveobj and loadobj methods
David Bateman <dbateman@free.fr>
parents:
8154
diff
changeset
|
810 Octave_map m; |
|
ebf6f6a0f9a7
Allow saving/loading of classes. Add saveobj and loadobj methods
David Bateman <dbateman@free.fr>
parents:
8154
diff
changeset
|
811 if (load_path::find_method (class_name (), "saveobj") != std::string()) |
|
ebf6f6a0f9a7
Allow saving/loading of classes. Add saveobj and loadobj methods
David Bateman <dbateman@free.fr>
parents:
8154
diff
changeset
|
812 { |
|
ebf6f6a0f9a7
Allow saving/loading of classes. Add saveobj and loadobj methods
David Bateman <dbateman@free.fr>
parents:
8154
diff
changeset
|
813 octave_value in = new octave_class (*this); |
|
ebf6f6a0f9a7
Allow saving/loading of classes. Add saveobj and loadobj methods
David Bateman <dbateman@free.fr>
parents:
8154
diff
changeset
|
814 octave_value_list tmp = feval ("saveobj", in, 1); |
|
ebf6f6a0f9a7
Allow saving/loading of classes. Add saveobj and loadobj methods
David Bateman <dbateman@free.fr>
parents:
8154
diff
changeset
|
815 if (! error_state) |
|
ebf6f6a0f9a7
Allow saving/loading of classes. Add saveobj and loadobj methods
David Bateman <dbateman@free.fr>
parents:
8154
diff
changeset
|
816 m = tmp(0).map_value (); |
|
ebf6f6a0f9a7
Allow saving/loading of classes. Add saveobj and loadobj methods
David Bateman <dbateman@free.fr>
parents:
8154
diff
changeset
|
817 else |
|
ebf6f6a0f9a7
Allow saving/loading of classes. Add saveobj and loadobj methods
David Bateman <dbateman@free.fr>
parents:
8154
diff
changeset
|
818 return false; |
|
ebf6f6a0f9a7
Allow saving/loading of classes. Add saveobj and loadobj methods
David Bateman <dbateman@free.fr>
parents:
8154
diff
changeset
|
819 } |
|
ebf6f6a0f9a7
Allow saving/loading of classes. Add saveobj and loadobj methods
David Bateman <dbateman@free.fr>
parents:
8154
diff
changeset
|
820 else |
|
ebf6f6a0f9a7
Allow saving/loading of classes. Add saveobj and loadobj methods
David Bateman <dbateman@free.fr>
parents:
8154
diff
changeset
|
821 m = map_value (); |
|
ebf6f6a0f9a7
Allow saving/loading of classes. Add saveobj and loadobj methods
David Bateman <dbateman@free.fr>
parents:
8154
diff
changeset
|
822 |
|
ebf6f6a0f9a7
Allow saving/loading of classes. Add saveobj and loadobj methods
David Bateman <dbateman@free.fr>
parents:
8154
diff
changeset
|
823 int32_t len = m.nfields(); |
| 7338 | 824 os.write (reinterpret_cast<char *> (&len), 4); |
| 825 | |
| 826 Octave_map::iterator i = m.begin (); | |
| 827 while (i != m.end ()) | |
| 828 { | |
| 829 octave_value val = map.contents (i); | |
| 830 | |
| 831 bool b = save_binary_data (os, val, m.key (i), "", 0, save_as_floats); | |
| 832 | |
| 833 if (! b) | |
| 834 return os; | |
| 835 | |
| 836 i++; | |
| 837 } | |
| 838 | |
| 839 return true; | |
| 840 } | |
| 841 | |
| 842 bool | |
| 843 octave_class::load_binary (std::istream& is, bool swap, | |
| 844 oct_mach_info::float_format fmt) | |
| 845 { | |
| 846 bool success = true; | |
|
8212
ebf6f6a0f9a7
Allow saving/loading of classes. Add saveobj and loadobj methods
David Bateman <dbateman@free.fr>
parents:
8154
diff
changeset
|
847 |
|
ebf6f6a0f9a7
Allow saving/loading of classes. Add saveobj and loadobj methods
David Bateman <dbateman@free.fr>
parents:
8154
diff
changeset
|
848 int32_t classname_len; |
|
ebf6f6a0f9a7
Allow saving/loading of classes. Add saveobj and loadobj methods
David Bateman <dbateman@free.fr>
parents:
8154
diff
changeset
|
849 |
|
ebf6f6a0f9a7
Allow saving/loading of classes. Add saveobj and loadobj methods
David Bateman <dbateman@free.fr>
parents:
8154
diff
changeset
|
850 is.read (reinterpret_cast<char *> (&classname_len), 4); |
|
ebf6f6a0f9a7
Allow saving/loading of classes. Add saveobj and loadobj methods
David Bateman <dbateman@free.fr>
parents:
8154
diff
changeset
|
851 if (! is) |
|
ebf6f6a0f9a7
Allow saving/loading of classes. Add saveobj and loadobj methods
David Bateman <dbateman@free.fr>
parents:
8154
diff
changeset
|
852 return false; |
|
ebf6f6a0f9a7
Allow saving/loading of classes. Add saveobj and loadobj methods
David Bateman <dbateman@free.fr>
parents:
8154
diff
changeset
|
853 else if (swap) |
|
ebf6f6a0f9a7
Allow saving/loading of classes. Add saveobj and loadobj methods
David Bateman <dbateman@free.fr>
parents:
8154
diff
changeset
|
854 swap_bytes<4> (&classname_len); |
|
ebf6f6a0f9a7
Allow saving/loading of classes. Add saveobj and loadobj methods
David Bateman <dbateman@free.fr>
parents:
8154
diff
changeset
|
855 |
|
ebf6f6a0f9a7
Allow saving/loading of classes. Add saveobj and loadobj methods
David Bateman <dbateman@free.fr>
parents:
8154
diff
changeset
|
856 { |
|
ebf6f6a0f9a7
Allow saving/loading of classes. Add saveobj and loadobj methods
David Bateman <dbateman@free.fr>
parents:
8154
diff
changeset
|
857 OCTAVE_LOCAL_BUFFER (char, classname, classname_len+1); |
|
ebf6f6a0f9a7
Allow saving/loading of classes. Add saveobj and loadobj methods
David Bateman <dbateman@free.fr>
parents:
8154
diff
changeset
|
858 classname[classname_len] = '\0'; |
|
ebf6f6a0f9a7
Allow saving/loading of classes. Add saveobj and loadobj methods
David Bateman <dbateman@free.fr>
parents:
8154
diff
changeset
|
859 if (! is.read (reinterpret_cast<char *> (classname), classname_len)) |
|
ebf6f6a0f9a7
Allow saving/loading of classes. Add saveobj and loadobj methods
David Bateman <dbateman@free.fr>
parents:
8154
diff
changeset
|
860 return false; |
|
ebf6f6a0f9a7
Allow saving/loading of classes. Add saveobj and loadobj methods
David Bateman <dbateman@free.fr>
parents:
8154
diff
changeset
|
861 c_name = classname; |
|
ebf6f6a0f9a7
Allow saving/loading of classes. Add saveobj and loadobj methods
David Bateman <dbateman@free.fr>
parents:
8154
diff
changeset
|
862 } |
|
ebf6f6a0f9a7
Allow saving/loading of classes. Add saveobj and loadobj methods
David Bateman <dbateman@free.fr>
parents:
8154
diff
changeset
|
863 |
| 7338 | 864 int32_t len; |
| 865 if (! is.read (reinterpret_cast<char *> (&len), 4)) | |
| 866 return false; | |
| 867 if (swap) | |
| 868 swap_bytes<4> (&len); | |
| 869 | |
| 870 if (len > 0) | |
| 871 { | |
| 872 Octave_map m (map); | |
| 873 | |
| 874 for (octave_idx_type j = 0; j < len; j++) | |
| 875 { | |
| 876 octave_value t2; | |
| 877 bool dummy; | |
| 878 std::string doc; | |
| 879 | |
| 880 // recurse to read cell elements | |
| 881 std::string nm = read_binary_data (is, swap, fmt, std::string (), | |
| 882 dummy, t2, doc); | |
| 883 | |
| 884 if (!is) | |
| 885 break; | |
| 886 | |
| 887 Cell tcell = t2.is_cell () ? t2.cell_value () : Cell (t2); | |
| 888 | |
| 889 if (error_state) | |
| 890 { | |
| 891 error ("load: internal error loading class elements"); | |
| 892 return false; | |
| 893 } | |
| 894 | |
| 895 m.assign (nm, tcell); | |
| 896 } | |
| 897 | |
| 898 if (is) | |
|
8212
ebf6f6a0f9a7
Allow saving/loading of classes. Add saveobj and loadobj methods
David Bateman <dbateman@free.fr>
parents:
8154
diff
changeset
|
899 { |
|
ebf6f6a0f9a7
Allow saving/loading of classes. Add saveobj and loadobj methods
David Bateman <dbateman@free.fr>
parents:
8154
diff
changeset
|
900 map = m; |
|
ebf6f6a0f9a7
Allow saving/loading of classes. Add saveobj and loadobj methods
David Bateman <dbateman@free.fr>
parents:
8154
diff
changeset
|
901 |
|
ebf6f6a0f9a7
Allow saving/loading of classes. Add saveobj and loadobj methods
David Bateman <dbateman@free.fr>
parents:
8154
diff
changeset
|
902 if (load_path::find_method (class_name(), "loadobj") != std::string()) |
|
ebf6f6a0f9a7
Allow saving/loading of classes. Add saveobj and loadobj methods
David Bateman <dbateman@free.fr>
parents:
8154
diff
changeset
|
903 { |
|
ebf6f6a0f9a7
Allow saving/loading of classes. Add saveobj and loadobj methods
David Bateman <dbateman@free.fr>
parents:
8154
diff
changeset
|
904 octave_value in = new octave_class (*this); |
|
ebf6f6a0f9a7
Allow saving/loading of classes. Add saveobj and loadobj methods
David Bateman <dbateman@free.fr>
parents:
8154
diff
changeset
|
905 octave_value_list tmp = feval ("loadobj", in, 1); |
|
ebf6f6a0f9a7
Allow saving/loading of classes. Add saveobj and loadobj methods
David Bateman <dbateman@free.fr>
parents:
8154
diff
changeset
|
906 |
|
ebf6f6a0f9a7
Allow saving/loading of classes. Add saveobj and loadobj methods
David Bateman <dbateman@free.fr>
parents:
8154
diff
changeset
|
907 if (! error_state) |
|
ebf6f6a0f9a7
Allow saving/loading of classes. Add saveobj and loadobj methods
David Bateman <dbateman@free.fr>
parents:
8154
diff
changeset
|
908 map = tmp(0).map_value (); |
|
ebf6f6a0f9a7
Allow saving/loading of classes. Add saveobj and loadobj methods
David Bateman <dbateman@free.fr>
parents:
8154
diff
changeset
|
909 else |
|
ebf6f6a0f9a7
Allow saving/loading of classes. Add saveobj and loadobj methods
David Bateman <dbateman@free.fr>
parents:
8154
diff
changeset
|
910 success = false; |
|
ebf6f6a0f9a7
Allow saving/loading of classes. Add saveobj and loadobj methods
David Bateman <dbateman@free.fr>
parents:
8154
diff
changeset
|
911 } |
|
ebf6f6a0f9a7
Allow saving/loading of classes. Add saveobj and loadobj methods
David Bateman <dbateman@free.fr>
parents:
8154
diff
changeset
|
912 } |
| 7338 | 913 else |
| 914 { | |
| 915 error ("load: failed to load class"); | |
| 916 success = false; | |
| 917 } | |
| 918 } | |
| 919 else if (len == 0 ) | |
| 920 map = Octave_map (dim_vector (1, 1)); | |
| 921 else | |
| 922 panic_impossible (); | |
| 923 | |
| 924 return success; | |
| 925 } | |
| 926 | |
| 927 #if defined (HAVE_HDF5) | |
| 928 | |
| 929 bool | |
| 930 octave_class::save_hdf5 (hid_t loc_id, const char *name, bool save_as_floats) | |
| 931 { | |
|
8212
ebf6f6a0f9a7
Allow saving/loading of classes. Add saveobj and loadobj methods
David Bateman <dbateman@free.fr>
parents:
8154
diff
changeset
|
932 hsize_t hdims[3]; |
|
ebf6f6a0f9a7
Allow saving/loading of classes. Add saveobj and loadobj methods
David Bateman <dbateman@free.fr>
parents:
8154
diff
changeset
|
933 hid_t group_hid = -1; |
|
ebf6f6a0f9a7
Allow saving/loading of classes. Add saveobj and loadobj methods
David Bateman <dbateman@free.fr>
parents:
8154
diff
changeset
|
934 hid_t type_hid = -1; |
|
ebf6f6a0f9a7
Allow saving/loading of classes. Add saveobj and loadobj methods
David Bateman <dbateman@free.fr>
parents:
8154
diff
changeset
|
935 hid_t space_hid = -1; |
|
ebf6f6a0f9a7
Allow saving/loading of classes. Add saveobj and loadobj methods
David Bateman <dbateman@free.fr>
parents:
8154
diff
changeset
|
936 hid_t class_hid = -1; |
| 7338 | 937 hid_t data_hid = -1; |
|
8212
ebf6f6a0f9a7
Allow saving/loading of classes. Add saveobj and loadobj methods
David Bateman <dbateman@free.fr>
parents:
8154
diff
changeset
|
938 Octave_map m; |
|
ebf6f6a0f9a7
Allow saving/loading of classes. Add saveobj and loadobj methods
David Bateman <dbateman@free.fr>
parents:
8154
diff
changeset
|
939 Octave_map::iterator i; |
|
ebf6f6a0f9a7
Allow saving/loading of classes. Add saveobj and loadobj methods
David Bateman <dbateman@free.fr>
parents:
8154
diff
changeset
|
940 |
|
ebf6f6a0f9a7
Allow saving/loading of classes. Add saveobj and loadobj methods
David Bateman <dbateman@free.fr>
parents:
8154
diff
changeset
|
941 group_hid = H5Gcreate (loc_id, name, 0); |
|
ebf6f6a0f9a7
Allow saving/loading of classes. Add saveobj and loadobj methods
David Bateman <dbateman@free.fr>
parents:
8154
diff
changeset
|
942 if (group_hid < 0) |
|
ebf6f6a0f9a7
Allow saving/loading of classes. Add saveobj and loadobj methods
David Bateman <dbateman@free.fr>
parents:
8154
diff
changeset
|
943 goto error_cleanup; |
|
ebf6f6a0f9a7
Allow saving/loading of classes. Add saveobj and loadobj methods
David Bateman <dbateman@free.fr>
parents:
8154
diff
changeset
|
944 |
|
ebf6f6a0f9a7
Allow saving/loading of classes. Add saveobj and loadobj methods
David Bateman <dbateman@free.fr>
parents:
8154
diff
changeset
|
945 // Add the class name to the group |
|
ebf6f6a0f9a7
Allow saving/loading of classes. Add saveobj and loadobj methods
David Bateman <dbateman@free.fr>
parents:
8154
diff
changeset
|
946 type_hid = H5Tcopy (H5T_C_S1); H5Tset_size (type_hid, c_name.length () + 1); |
|
ebf6f6a0f9a7
Allow saving/loading of classes. Add saveobj and loadobj methods
David Bateman <dbateman@free.fr>
parents:
8154
diff
changeset
|
947 if (type_hid < 0) |
|
ebf6f6a0f9a7
Allow saving/loading of classes. Add saveobj and loadobj methods
David Bateman <dbateman@free.fr>
parents:
8154
diff
changeset
|
948 goto error_cleanup; |
| 7338 | 949 |
|
8212
ebf6f6a0f9a7
Allow saving/loading of classes. Add saveobj and loadobj methods
David Bateman <dbateman@free.fr>
parents:
8154
diff
changeset
|
950 hdims[0] = 0; |
|
ebf6f6a0f9a7
Allow saving/loading of classes. Add saveobj and loadobj methods
David Bateman <dbateman@free.fr>
parents:
8154
diff
changeset
|
951 space_hid = H5Screate_simple (0 , hdims, 0); |
|
ebf6f6a0f9a7
Allow saving/loading of classes. Add saveobj and loadobj methods
David Bateman <dbateman@free.fr>
parents:
8154
diff
changeset
|
952 if (space_hid < 0) |
|
ebf6f6a0f9a7
Allow saving/loading of classes. Add saveobj and loadobj methods
David Bateman <dbateman@free.fr>
parents:
8154
diff
changeset
|
953 goto error_cleanup; |
|
ebf6f6a0f9a7
Allow saving/loading of classes. Add saveobj and loadobj methods
David Bateman <dbateman@free.fr>
parents:
8154
diff
changeset
|
954 |
|
ebf6f6a0f9a7
Allow saving/loading of classes. Add saveobj and loadobj methods
David Bateman <dbateman@free.fr>
parents:
8154
diff
changeset
|
955 class_hid = H5Dcreate (group_hid, "classname", type_hid, space_hid, |
|
ebf6f6a0f9a7
Allow saving/loading of classes. Add saveobj and loadobj methods
David Bateman <dbateman@free.fr>
parents:
8154
diff
changeset
|
956 H5P_DEFAULT); |
|
ebf6f6a0f9a7
Allow saving/loading of classes. Add saveobj and loadobj methods
David Bateman <dbateman@free.fr>
parents:
8154
diff
changeset
|
957 if (class_hid < 0 || H5Dwrite (class_hid, type_hid, H5S_ALL, H5S_ALL, |
|
ebf6f6a0f9a7
Allow saving/loading of classes. Add saveobj and loadobj methods
David Bateman <dbateman@free.fr>
parents:
8154
diff
changeset
|
958 H5P_DEFAULT, c_name.c_str ()) < 0) |
|
ebf6f6a0f9a7
Allow saving/loading of classes. Add saveobj and loadobj methods
David Bateman <dbateman@free.fr>
parents:
8154
diff
changeset
|
959 goto error_cleanup; |
|
ebf6f6a0f9a7
Allow saving/loading of classes. Add saveobj and loadobj methods
David Bateman <dbateman@free.fr>
parents:
8154
diff
changeset
|
960 |
|
ebf6f6a0f9a7
Allow saving/loading of classes. Add saveobj and loadobj methods
David Bateman <dbateman@free.fr>
parents:
8154
diff
changeset
|
961 data_hid = H5Gcreate (group_hid, "value", 0); |
|
ebf6f6a0f9a7
Allow saving/loading of classes. Add saveobj and loadobj methods
David Bateman <dbateman@free.fr>
parents:
8154
diff
changeset
|
962 if (data_hid < 0) |
|
ebf6f6a0f9a7
Allow saving/loading of classes. Add saveobj and loadobj methods
David Bateman <dbateman@free.fr>
parents:
8154
diff
changeset
|
963 goto error_cleanup; |
|
ebf6f6a0f9a7
Allow saving/loading of classes. Add saveobj and loadobj methods
David Bateman <dbateman@free.fr>
parents:
8154
diff
changeset
|
964 |
|
ebf6f6a0f9a7
Allow saving/loading of classes. Add saveobj and loadobj methods
David Bateman <dbateman@free.fr>
parents:
8154
diff
changeset
|
965 if (load_path::find_method (class_name (), "saveobj") != std::string()) |
|
ebf6f6a0f9a7
Allow saving/loading of classes. Add saveobj and loadobj methods
David Bateman <dbateman@free.fr>
parents:
8154
diff
changeset
|
966 { |
|
ebf6f6a0f9a7
Allow saving/loading of classes. Add saveobj and loadobj methods
David Bateman <dbateman@free.fr>
parents:
8154
diff
changeset
|
967 octave_value in = new octave_class (*this); |
|
ebf6f6a0f9a7
Allow saving/loading of classes. Add saveobj and loadobj methods
David Bateman <dbateman@free.fr>
parents:
8154
diff
changeset
|
968 octave_value_list tmp = feval ("saveobj", in, 1); |
|
ebf6f6a0f9a7
Allow saving/loading of classes. Add saveobj and loadobj methods
David Bateman <dbateman@free.fr>
parents:
8154
diff
changeset
|
969 if (! error_state) |
|
ebf6f6a0f9a7
Allow saving/loading of classes. Add saveobj and loadobj methods
David Bateman <dbateman@free.fr>
parents:
8154
diff
changeset
|
970 m = tmp(0).map_value (); |
|
ebf6f6a0f9a7
Allow saving/loading of classes. Add saveobj and loadobj methods
David Bateman <dbateman@free.fr>
parents:
8154
diff
changeset
|
971 else |
|
ebf6f6a0f9a7
Allow saving/loading of classes. Add saveobj and loadobj methods
David Bateman <dbateman@free.fr>
parents:
8154
diff
changeset
|
972 goto error_cleanup; |
|
ebf6f6a0f9a7
Allow saving/loading of classes. Add saveobj and loadobj methods
David Bateman <dbateman@free.fr>
parents:
8154
diff
changeset
|
973 } |
|
ebf6f6a0f9a7
Allow saving/loading of classes. Add saveobj and loadobj methods
David Bateman <dbateman@free.fr>
parents:
8154
diff
changeset
|
974 else |
|
ebf6f6a0f9a7
Allow saving/loading of classes. Add saveobj and loadobj methods
David Bateman <dbateman@free.fr>
parents:
8154
diff
changeset
|
975 m = map_value (); |
| 7338 | 976 |
| 977 // recursively add each element of the class to this group | |
|
8212
ebf6f6a0f9a7
Allow saving/loading of classes. Add saveobj and loadobj methods
David Bateman <dbateman@free.fr>
parents:
8154
diff
changeset
|
978 i = m.begin (); |
| 7338 | 979 while (i != m.end ()) |
| 980 { | |
| 981 octave_value val = map.contents (i); | |
| 982 | |
| 983 bool retval2 = add_hdf5_data (data_hid, val, m.key (i), "", false, | |
| 984 save_as_floats); | |
| 985 | |
| 986 if (! retval2) | |
| 987 break; | |
| 988 | |
| 989 i++; | |
| 990 } | |
| 991 | |
|
8212
ebf6f6a0f9a7
Allow saving/loading of classes. Add saveobj and loadobj methods
David Bateman <dbateman@free.fr>
parents:
8154
diff
changeset
|
992 error_cleanup: |
|
ebf6f6a0f9a7
Allow saving/loading of classes. Add saveobj and loadobj methods
David Bateman <dbateman@free.fr>
parents:
8154
diff
changeset
|
993 |
|
ebf6f6a0f9a7
Allow saving/loading of classes. Add saveobj and loadobj methods
David Bateman <dbateman@free.fr>
parents:
8154
diff
changeset
|
994 if (data_hid > 0) |
|
ebf6f6a0f9a7
Allow saving/loading of classes. Add saveobj and loadobj methods
David Bateman <dbateman@free.fr>
parents:
8154
diff
changeset
|
995 H5Gclose (data_hid); |
|
ebf6f6a0f9a7
Allow saving/loading of classes. Add saveobj and loadobj methods
David Bateman <dbateman@free.fr>
parents:
8154
diff
changeset
|
996 |
|
ebf6f6a0f9a7
Allow saving/loading of classes. Add saveobj and loadobj methods
David Bateman <dbateman@free.fr>
parents:
8154
diff
changeset
|
997 if (class_hid > 0) |
|
ebf6f6a0f9a7
Allow saving/loading of classes. Add saveobj and loadobj methods
David Bateman <dbateman@free.fr>
parents:
8154
diff
changeset
|
998 H5Dclose (class_hid); |
|
ebf6f6a0f9a7
Allow saving/loading of classes. Add saveobj and loadobj methods
David Bateman <dbateman@free.fr>
parents:
8154
diff
changeset
|
999 |
|
ebf6f6a0f9a7
Allow saving/loading of classes. Add saveobj and loadobj methods
David Bateman <dbateman@free.fr>
parents:
8154
diff
changeset
|
1000 if (space_hid > 0) |
|
ebf6f6a0f9a7
Allow saving/loading of classes. Add saveobj and loadobj methods
David Bateman <dbateman@free.fr>
parents:
8154
diff
changeset
|
1001 H5Sclose (space_hid); |
|
ebf6f6a0f9a7
Allow saving/loading of classes. Add saveobj and loadobj methods
David Bateman <dbateman@free.fr>
parents:
8154
diff
changeset
|
1002 |
|
ebf6f6a0f9a7
Allow saving/loading of classes. Add saveobj and loadobj methods
David Bateman <dbateman@free.fr>
parents:
8154
diff
changeset
|
1003 if (type_hid > 0) |
|
ebf6f6a0f9a7
Allow saving/loading of classes. Add saveobj and loadobj methods
David Bateman <dbateman@free.fr>
parents:
8154
diff
changeset
|
1004 H5Tclose (type_hid); |
|
ebf6f6a0f9a7
Allow saving/loading of classes. Add saveobj and loadobj methods
David Bateman <dbateman@free.fr>
parents:
8154
diff
changeset
|
1005 |
|
ebf6f6a0f9a7
Allow saving/loading of classes. Add saveobj and loadobj methods
David Bateman <dbateman@free.fr>
parents:
8154
diff
changeset
|
1006 if (group_hid > 0) |
|
ebf6f6a0f9a7
Allow saving/loading of classes. Add saveobj and loadobj methods
David Bateman <dbateman@free.fr>
parents:
8154
diff
changeset
|
1007 H5Gclose (group_hid); |
| 7338 | 1008 |
| 1009 return true; | |
| 1010 } | |
| 1011 | |
| 1012 bool | |
| 1013 octave_class::load_hdf5 (hid_t loc_id, const char *name, | |
| 1014 bool have_h5giterate_bug) | |
| 1015 { | |
| 1016 bool retval = false; | |
| 1017 | |
|
8212
ebf6f6a0f9a7
Allow saving/loading of classes. Add saveobj and loadobj methods
David Bateman <dbateman@free.fr>
parents:
8154
diff
changeset
|
1018 hid_t group_hid = -1; |
|
ebf6f6a0f9a7
Allow saving/loading of classes. Add saveobj and loadobj methods
David Bateman <dbateman@free.fr>
parents:
8154
diff
changeset
|
1019 hid_t data_hid = -1; |
|
ebf6f6a0f9a7
Allow saving/loading of classes. Add saveobj and loadobj methods
David Bateman <dbateman@free.fr>
parents:
8154
diff
changeset
|
1020 hid_t type_hid = -1; |
|
ebf6f6a0f9a7
Allow saving/loading of classes. Add saveobj and loadobj methods
David Bateman <dbateman@free.fr>
parents:
8154
diff
changeset
|
1021 hid_t type_class_hid = -1; |
|
ebf6f6a0f9a7
Allow saving/loading of classes. Add saveobj and loadobj methods
David Bateman <dbateman@free.fr>
parents:
8154
diff
changeset
|
1022 hid_t space_hid = -1; |
|
ebf6f6a0f9a7
Allow saving/loading of classes. Add saveobj and loadobj methods
David Bateman <dbateman@free.fr>
parents:
8154
diff
changeset
|
1023 hid_t subgroup_hid = -1; |
|
ebf6f6a0f9a7
Allow saving/loading of classes. Add saveobj and loadobj methods
David Bateman <dbateman@free.fr>
parents:
8154
diff
changeset
|
1024 hid_t st_id = -1; |
|
ebf6f6a0f9a7
Allow saving/loading of classes. Add saveobj and loadobj methods
David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1025 |
| 7338 | 1026 hdf5_callback_data dsub; |
| 1027 | |
| 1028 herr_t retval2 = 0; | |
| 1029 Octave_map m (dim_vector (1, 1)); | |
| 1030 int current_item = 0; | |
|
8212
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Allow saving/loading of classes. Add saveobj and loadobj methods
David Bateman <dbateman@free.fr>
parents:
8154
diff
changeset
|
1031 hsize_t num_obj = 0; |
|
ebf6f6a0f9a7
Allow saving/loading of classes. Add saveobj and loadobj methods
David Bateman <dbateman@free.fr>
parents:
8154
diff
changeset
|
1032 int slen = 0; |
|
ebf6f6a0f9a7
Allow saving/loading of classes. Add saveobj and loadobj methods
David Bateman <dbateman@free.fr>
parents:
8154
diff
changeset
|
1033 hsize_t rank = 0; |
|
ebf6f6a0f9a7
Allow saving/loading of classes. Add saveobj and loadobj methods
David Bateman <dbateman@free.fr>
parents:
8154
diff
changeset
|
1034 |
|
ebf6f6a0f9a7
Allow saving/loading of classes. Add saveobj and loadobj methods
David Bateman <dbateman@free.fr>
parents:
8154
diff
changeset
|
1035 group_hid = H5Gopen (loc_id, name); |
|
ebf6f6a0f9a7
Allow saving/loading of classes. Add saveobj and loadobj methods
David Bateman <dbateman@free.fr>
parents:
8154
diff
changeset
|
1036 if (group_hid < 0) |
|
ebf6f6a0f9a7
Allow saving/loading of classes. Add saveobj and loadobj methods
David Bateman <dbateman@free.fr>
parents:
8154
diff
changeset
|
1037 goto error_cleanup; |
|
ebf6f6a0f9a7
Allow saving/loading of classes. Add saveobj and loadobj methods
David Bateman <dbateman@free.fr>
parents:
8154
diff
changeset
|
1038 |
|
ebf6f6a0f9a7
Allow saving/loading of classes. Add saveobj and loadobj methods
David Bateman <dbateman@free.fr>
parents:
8154
diff
changeset
|
1039 |
|
ebf6f6a0f9a7
Allow saving/loading of classes. Add saveobj and loadobj methods
David Bateman <dbateman@free.fr>
parents:
8154
diff
changeset
|
1040 data_hid = H5Dopen (group_hid, "classname"); |
|
ebf6f6a0f9a7
Allow saving/loading of classes. Add saveobj and loadobj methods
David Bateman <dbateman@free.fr>
parents:
8154
diff
changeset
|
1041 |
|
ebf6f6a0f9a7
Allow saving/loading of classes. Add saveobj and loadobj methods
David Bateman <dbateman@free.fr>
parents:
8154
diff
changeset
|
1042 if (data_hid < 0) |
|
ebf6f6a0f9a7
Allow saving/loading of classes. Add saveobj and loadobj methods
David Bateman <dbateman@free.fr>
parents:
8154
diff
changeset
|
1043 goto error_cleanup; |
|
ebf6f6a0f9a7
Allow saving/loading of classes. Add saveobj and loadobj methods
David Bateman <dbateman@free.fr>
parents:
8154
diff
changeset
|
1044 |
|
ebf6f6a0f9a7
Allow saving/loading of classes. Add saveobj and loadobj methods
David Bateman <dbateman@free.fr>
parents:
8154
diff
changeset
|
1045 type_hid = H5Dget_type (data_hid); |
|
ebf6f6a0f9a7
Allow saving/loading of classes. Add saveobj and loadobj methods
David Bateman <dbateman@free.fr>
parents:
8154
diff
changeset
|
1046 |
|
ebf6f6a0f9a7
Allow saving/loading of classes. Add saveobj and loadobj methods
David Bateman <dbateman@free.fr>
parents:
8154
diff
changeset
|
1047 type_class_hid = H5Tget_class (type_hid); |
|
ebf6f6a0f9a7
Allow saving/loading of classes. Add saveobj and loadobj methods
David Bateman <dbateman@free.fr>
parents:
8154
diff
changeset
|
1048 |
|
ebf6f6a0f9a7
Allow saving/loading of classes. Add saveobj and loadobj methods
David Bateman <dbateman@free.fr>
parents:
8154
diff
changeset
|
1049 if (type_class_hid != H5T_STRING) |
|
ebf6f6a0f9a7
Allow saving/loading of classes. Add saveobj and loadobj methods
David Bateman <dbateman@free.fr>
parents:
8154
diff
changeset
|
1050 goto error_cleanup; |
|
ebf6f6a0f9a7
Allow saving/loading of classes. Add saveobj and loadobj methods
David Bateman <dbateman@free.fr>
parents:
8154
diff
changeset
|
1051 |
|
ebf6f6a0f9a7
Allow saving/loading of classes. Add saveobj and loadobj methods
David Bateman <dbateman@free.fr>
parents:
8154
diff
changeset
|
1052 space_hid = H5Dget_space (data_hid); |
|
ebf6f6a0f9a7
Allow saving/loading of classes. Add saveobj and loadobj methods
David Bateman <dbateman@free.fr>
parents:
8154
diff
changeset
|
1053 rank = H5Sget_simple_extent_ndims (space_hid); |
|
ebf6f6a0f9a7
Allow saving/loading of classes. Add saveobj and loadobj methods
David Bateman <dbateman@free.fr>
parents:
8154
diff
changeset
|
1054 |
|
ebf6f6a0f9a7
Allow saving/loading of classes. Add saveobj and loadobj methods
David Bateman <dbateman@free.fr>
parents:
8154
diff
changeset
|
1055 if (rank != 0) |
|
ebf6f6a0f9a7
Allow saving/loading of classes. Add saveobj and loadobj methods
David Bateman <dbateman@free.fr>
parents:
8154
diff
changeset
|
1056 goto error_cleanup; |
|
ebf6f6a0f9a7
Allow saving/loading of classes. Add saveobj and loadobj methods
David Bateman <dbateman@free.fr>
parents:
8154
diff
changeset
|
1057 |
|
ebf6f6a0f9a7
Allow saving/loading of classes. Add saveobj and loadobj methods
David Bateman <dbateman@free.fr>
parents:
8154
diff
changeset
|
1058 slen = H5Tget_size (type_hid); |
|
ebf6f6a0f9a7
Allow saving/loading of classes. Add saveobj and loadobj methods
David Bateman <dbateman@free.fr>
parents:
8154
diff
changeset
|
1059 if (slen < 0) |
|
ebf6f6a0f9a7
Allow saving/loading of classes. Add saveobj and loadobj methods
David Bateman <dbateman@free.fr>
parents:
8154
diff
changeset
|
1060 goto error_cleanup; |
|
ebf6f6a0f9a7
Allow saving/loading of classes. Add saveobj and loadobj methods
David Bateman <dbateman@free.fr>
parents:
8154
diff
changeset
|
1061 |
|
ebf6f6a0f9a7
Allow saving/loading of classes. Add saveobj and loadobj methods
David Bateman <dbateman@free.fr>
parents:
8154
diff
changeset
|
1062 // do-while loop here to prevent goto crossing initialization of classname |
|
ebf6f6a0f9a7
Allow saving/loading of classes. Add saveobj and loadobj methods
David Bateman <dbateman@free.fr>
parents:
8154
diff
changeset
|
1063 do |
|
ebf6f6a0f9a7
Allow saving/loading of classes. Add saveobj and loadobj methods
David Bateman <dbateman@free.fr>
parents:
8154
diff
changeset
|
1064 { |
|
ebf6f6a0f9a7
Allow saving/loading of classes. Add saveobj and loadobj methods
David Bateman <dbateman@free.fr>
parents:
8154
diff
changeset
|
1065 OCTAVE_LOCAL_BUFFER (char, classname, slen); |
|
ebf6f6a0f9a7
Allow saving/loading of classes. Add saveobj and loadobj methods
David Bateman <dbateman@free.fr>
parents:
8154
diff
changeset
|
1066 |
|
ebf6f6a0f9a7
Allow saving/loading of classes. Add saveobj and loadobj methods
David Bateman <dbateman@free.fr>
parents:
8154
diff
changeset
|
1067 // create datatype for (null-terminated) string to read into: |
|
ebf6f6a0f9a7
Allow saving/loading of classes. Add saveobj and loadobj methods
David Bateman <dbateman@free.fr>
parents:
8154
diff
changeset
|
1068 st_id = H5Tcopy (H5T_C_S1); |
|
ebf6f6a0f9a7
Allow saving/loading of classes. Add saveobj and loadobj methods
David Bateman <dbateman@free.fr>
parents:
8154
diff
changeset
|
1069 H5Tset_size (st_id, slen); |
|
ebf6f6a0f9a7
Allow saving/loading of classes. Add saveobj and loadobj methods
David Bateman <dbateman@free.fr>
parents:
8154
diff
changeset
|
1070 |
|
ebf6f6a0f9a7
Allow saving/loading of classes. Add saveobj and loadobj methods
David Bateman <dbateman@free.fr>
parents:
8154
diff
changeset
|
1071 if (H5Dread (data_hid, st_id, H5S_ALL, H5S_ALL, H5P_DEFAULT, |
|
ebf6f6a0f9a7
Allow saving/loading of classes. Add saveobj and loadobj methods
David Bateman <dbateman@free.fr>
parents:
8154
diff
changeset
|
1072 classname) < 0) |
|
ebf6f6a0f9a7
Allow saving/loading of classes. Add saveobj and loadobj methods
David Bateman <dbateman@free.fr>
parents:
8154
diff
changeset
|
1073 { |
|
ebf6f6a0f9a7
Allow saving/loading of classes. Add saveobj and loadobj methods
David Bateman <dbateman@free.fr>
parents:
8154
diff
changeset
|
1074 H5Tclose (st_id); |
|
ebf6f6a0f9a7
Allow saving/loading of classes. Add saveobj and loadobj methods
David Bateman <dbateman@free.fr>
parents:
8154
diff
changeset
|
1075 H5Dclose (data_hid); |
|
ebf6f6a0f9a7
Allow saving/loading of classes. Add saveobj and loadobj methods
David Bateman <dbateman@free.fr>
parents:
8154
diff
changeset
|
1076 H5Gclose (group_hid); |
|
ebf6f6a0f9a7
Allow saving/loading of classes. Add saveobj and loadobj methods
David Bateman <dbateman@free.fr>
parents:
8154
diff
changeset
|
1077 return false; |
|
ebf6f6a0f9a7
Allow saving/loading of classes. Add saveobj and loadobj methods
David Bateman <dbateman@free.fr>
parents:
8154
diff
changeset
|
1078 } |
|
ebf6f6a0f9a7
Allow saving/loading of classes. Add saveobj and loadobj methods
David Bateman <dbateman@free.fr>
parents:
8154
diff
changeset
|
1079 |
|
ebf6f6a0f9a7
Allow saving/loading of classes. Add saveobj and loadobj methods
David Bateman <dbateman@free.fr>
parents:
8154
diff
changeset
|
1080 H5Tclose (st_id); |
|
ebf6f6a0f9a7
Allow saving/loading of classes. Add saveobj and loadobj methods
David Bateman <dbateman@free.fr>
parents:
8154
diff
changeset
|
1081 H5Dclose (data_hid); |
|
ebf6f6a0f9a7
Allow saving/loading of classes. Add saveobj and loadobj methods
David Bateman <dbateman@free.fr>
parents:
8154
diff
changeset
|
1082 data_hid = -1; |
|
ebf6f6a0f9a7
Allow saving/loading of classes. Add saveobj and loadobj methods
David Bateman <dbateman@free.fr>
parents:
8154
diff
changeset
|
1083 |
|
ebf6f6a0f9a7
Allow saving/loading of classes. Add saveobj and loadobj methods
David Bateman <dbateman@free.fr>
parents:
8154
diff
changeset
|
1084 c_name = classname; |
|
ebf6f6a0f9a7
Allow saving/loading of classes. Add saveobj and loadobj methods
David Bateman <dbateman@free.fr>
parents:
8154
diff
changeset
|
1085 } |
|
ebf6f6a0f9a7
Allow saving/loading of classes. Add saveobj and loadobj methods
David Bateman <dbateman@free.fr>
parents:
8154
diff
changeset
|
1086 while (0); |
|
ebf6f6a0f9a7
Allow saving/loading of classes. Add saveobj and loadobj methods
David Bateman <dbateman@free.fr>
parents:
8154
diff
changeset
|
1087 |
|
ebf6f6a0f9a7
Allow saving/loading of classes. Add saveobj and loadobj methods
David Bateman <dbateman@free.fr>
parents:
8154
diff
changeset
|
1088 |
| 7338 | 1089 #ifdef HAVE_H5GGET_NUM_OBJS |
|
8212
ebf6f6a0f9a7
Allow saving/loading of classes. Add saveobj and loadobj methods
David Bateman <dbateman@free.fr>
parents:
8154
diff
changeset
|
1090 subgroup_hid = H5Gopen (group_hid, name); |
|
ebf6f6a0f9a7
Allow saving/loading of classes. Add saveobj and loadobj methods
David Bateman <dbateman@free.fr>
parents:
8154
diff
changeset
|
1091 H5Gget_num_objs (subgroup_hid, &num_obj); |
|
ebf6f6a0f9a7
Allow saving/loading of classes. Add saveobj and loadobj methods
David Bateman <dbateman@free.fr>
parents:
8154
diff
changeset
|
1092 H5Gclose (subgroup_hid); |
| 7338 | 1093 |
| 1094 while (current_item < static_cast<int> (num_obj) | |
|
8212
ebf6f6a0f9a7
Allow saving/loading of classes. Add saveobj and loadobj methods
David Bateman <dbateman@free.fr>
parents:
8154
diff
changeset
|
1095 && (retval2 = H5Giterate (group_hid, name, ¤t_item, |
| 7338 | 1096 hdf5_read_next_data, &dsub)) > 0) |
| 1097 #else | |
|
8212
ebf6f6a0f9a7
Allow saving/loading of classes. Add saveobj and loadobj methods
David Bateman <dbateman@free.fr>
parents:
8154
diff
changeset
|
1098 while ((retval2 = H5Giterate (group_hid, name, ¤t_item, |
| 7338 | 1099 hdf5_read_next_data, &dsub)) > 0) |
| 1100 #endif | |
| 1101 { | |
| 1102 octave_value t2 = dsub.tc; | |
| 1103 | |
| 1104 Cell tcell = t2.is_cell () ? t2.cell_value () : Cell (t2); | |
| 1105 | |
| 1106 if (error_state) | |
| 1107 { | |
| 1108 error ("load: internal error loading class elements"); | |
| 1109 return false; | |
| 1110 } | |
| 1111 | |
| 1112 m.assign (dsub.name, tcell); | |
| 1113 | |
| 1114 if (have_h5giterate_bug) | |
| 1115 current_item++; // H5Giterate returned the last index processed | |
| 1116 } | |
| 1117 | |
| 1118 if (retval2 >= 0) | |
| 1119 { | |
| 1120 map = m; | |
|
8212
ebf6f6a0f9a7
Allow saving/loading of classes. Add saveobj and loadobj methods
David Bateman <dbateman@free.fr>
parents:
8154
diff
changeset
|
1121 |
|
ebf6f6a0f9a7
Allow saving/loading of classes. Add saveobj and loadobj methods
David Bateman <dbateman@free.fr>
parents:
8154
diff
changeset
|
1122 if (load_path::find_method (class_name(), "loadobj") != std::string()) |
|
ebf6f6a0f9a7
Allow saving/loading of classes. Add saveobj and loadobj methods
David Bateman <dbateman@free.fr>
parents:
8154
diff
changeset
|
1123 { |
|
ebf6f6a0f9a7
Allow saving/loading of classes. Add saveobj and loadobj methods
David Bateman <dbateman@free.fr>
parents:
8154
diff
changeset
|
1124 octave_value in = new octave_class (*this); |
|
ebf6f6a0f9a7
Allow saving/loading of classes. Add saveobj and loadobj methods
David Bateman <dbateman@free.fr>
parents:
8154
diff
changeset
|
1125 octave_value_list tmp = feval ("loadobj", in, 1); |
|
ebf6f6a0f9a7
Allow saving/loading of classes. Add saveobj and loadobj methods
David Bateman <dbateman@free.fr>
parents:
8154
diff
changeset
|
1126 |
|
ebf6f6a0f9a7
Allow saving/loading of classes. Add saveobj and loadobj methods
David Bateman <dbateman@free.fr>
parents:
8154
diff
changeset
|
1127 if (! error_state) |
|
ebf6f6a0f9a7
Allow saving/loading of classes. Add saveobj and loadobj methods
David Bateman <dbateman@free.fr>
parents:
8154
diff
changeset
|
1128 { |
|
ebf6f6a0f9a7
Allow saving/loading of classes. Add saveobj and loadobj methods
David Bateman <dbateman@free.fr>
parents:
8154
diff
changeset
|
1129 map = tmp(0).map_value (); |
|
ebf6f6a0f9a7
Allow saving/loading of classes. Add saveobj and loadobj methods
David Bateman <dbateman@free.fr>
parents:
8154
diff
changeset
|
1130 retval = true; |
|
ebf6f6a0f9a7
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1131 } |
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1132 else |
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1133 retval = false; |
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1134 } |
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1135 else |
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1136 retval = true; |
| 7338 | 1137 } |
| 1138 | |
|
8212
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1139 error_cleanup: |
|
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1140 if (data_hid > 0) |
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1141 H5Dclose (data_hid); |
|
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1142 |
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1143 if (data_hid > 0) |
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1144 H5Gclose (group_hid); |
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1145 |
| 7338 | 1146 return retval; |
| 1147 } | |
| 1148 | |
| 1149 #endif | |
| 1150 | |
| 1151 mxArray * | |
| 1152 octave_class::as_mxArray (void) const | |
| 1153 { | |
| 1154 gripe_wrong_type_arg ("octave_class::as_mxArray ()", type_name ()); | |
| 1155 | |
| 1156 return 0; | |
| 1157 } | |
| 1158 | |
| 1159 bool | |
| 1160 octave_class::in_class_method (void) const | |
| 1161 { | |
| 1162 octave_function *fcn = octave_call_stack::current (); | |
| 1163 | |
| 1164 return (fcn | |
| 1165 && (fcn->is_class_method () || fcn->is_class_constructor ()) | |
| 1166 && fcn->dispatch_class () == class_name ()); | |
| 1167 } | |
| 1168 | |
| 1169 DEFUN (class, args, , | |
| 1170 "-*- texinfo -*-\n\ | |
| 1171 @deftypefn {Built-in Function} {} class (@var{expr})\n\ | |
| 1172 @deftypefnx {Built-in Function} {} class (@var{s}, @var{id})\n\ | |
| 1173 \n\ | |
| 1174 Return the class of the expression @var{expr}, as a string or\n\ | |
| 1175 create a class object from the structure @var{s} with name @var{id}.\n\ | |
| 1176 @end deftypefn") | |
| 1177 { | |
| 1178 octave_value retval; | |
| 1179 | |
| 1180 int nargin = args.length (); | |
| 1181 | |
| 1182 if (nargin == 1) | |
| 1183 retval = args(0).class_name (); | |
| 1184 else if (nargin == 2) | |
| 1185 { | |
| 1186 Octave_map m = args(0).map_value (); | |
| 1187 | |
| 1188 if (! error_state) | |
| 1189 { | |
| 1190 std::string id = args(1).string_value (); | |
| 1191 | |
| 1192 if (! error_state) | |
| 1193 { | |
| 1194 octave_function *fcn = octave_call_stack::caller (); | |
| 1195 | |
| 1196 if (fcn && fcn->is_class_constructor ()) | |
| 1197 retval = octave_value (new octave_class (m, id)); | |
| 1198 else | |
| 1199 error ("class: invalid call from outside class constructor"); | |
| 1200 } | |
| 1201 else | |
| 1202 error ("class: expecting character string as second argument"); | |
| 1203 } | |
| 1204 else | |
| 1205 error ("class: expecting structure as first argument"); | |
| 1206 } | |
| 1207 else | |
| 1208 print_usage (); | |
| 1209 | |
| 1210 return retval; | |
| 1211 } | |
| 1212 | |
| 1213 | |
| 1214 DEFUN (isobject, args, , | |
| 1215 "-*- texinfo -*-\n\ | |
| 1216 @deftypefn {Built-in Function} {} isobject (@var{x})\n\ | |
| 1217 Return true if @var{x} is a class object.\n\ | |
| 1218 @end deftypefn") | |
| 1219 { | |
| 1220 octave_value retval; | |
| 1221 | |
| 1222 if (args.length () == 1) | |
| 1223 retval = args(0).is_object (); | |
| 1224 else | |
| 1225 print_usage (); | |
| 1226 | |
| 1227 return retval; | |
| 1228 } | |
| 1229 | |
|
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1230 DEFUN (ismethod, args, , |
|
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1231 "-*- texinfo -*-\n\ |
|
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1232 @deftypefn {Built-in Function} {} ismethod (@var{x}, @var{method})\n\ |
|
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1233 Return true if @var{x} is a class object and the string @var{method}\n\ |
|
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1234 is a method of this class.\n\ |
|
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1235 @end deftypefn") |
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1236 { |
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1237 octave_value retval; |
|
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1238 |
|
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1239 if (args.length () == 2) |
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1240 { |
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1241 octave_value arg = args(0); |
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1242 |
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1243 std::string class_name; |
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1244 |
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1245 if (arg.is_object ()) |
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1246 class_name = arg.class_name (); |
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1247 else if (arg.is_string ()) |
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1248 class_name = arg.string_value (); |
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1249 else |
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1250 error ("ismethod: expecting object or class name as first argument"); |
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1251 |
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1252 if (! error_state) |
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1253 { |
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1254 std::string method = args(1).string_value (); |
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1255 |
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1256 if (! error_state) |
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1257 { |
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1258 if (load_path::find_method (class_name, method) != std::string ()) |
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1259 retval = true; |
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1260 else |
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1261 retval = false; |
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1262 } |
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1263 } |
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1264 } |
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1265 else |
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1266 print_usage (); |
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1267 |
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1268 return retval; |
|
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1269 } |
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1270 |
| 7338 | 1271 DEFCMD (methods, args, nargout, |
| 1272 "-*- texinfo -*-\n\ | |
| 1273 @deftypefn {Built-in Function} {} methods (@var{x})\n\ | |
| 1274 @deftypefnx {Built-in Function} {} methods (\"classname\")\n\ | |
| 1275 Return a cell array containing the names of the methods for the\n\ | |
| 1276 object @var{x} or the named class.\n\ | |
| 1277 @end deftypefn") | |
| 1278 { | |
| 1279 octave_value retval; | |
| 1280 | |
| 1281 if (args.length () == 1) | |
| 1282 { | |
| 1283 octave_value arg = args(0); | |
| 1284 | |
| 1285 std::string class_name; | |
| 1286 | |
| 1287 if (arg.is_object ()) | |
| 1288 class_name = arg.class_name (); | |
| 1289 else if (arg.is_string ()) | |
| 1290 class_name = arg.string_value (); | |
| 1291 else | |
| 1292 error ("methods: expecting object or class name as argument"); | |
| 1293 | |
| 1294 if (! error_state) | |
| 1295 { | |
| 1296 string_vector sv = load_path::methods (class_name); | |
| 1297 | |
| 1298 if (nargout == 0) | |
| 1299 { | |
| 1300 octave_stdout << "Methods for class " << class_name << ":\n\n"; | |
| 1301 | |
| 1302 sv.list_in_columns (octave_stdout); | |
| 1303 | |
| 1304 octave_stdout << std::endl; | |
| 1305 } | |
| 1306 else | |
| 1307 retval = sv; | |
| 1308 } | |
| 1309 } | |
| 1310 else | |
| 1311 print_usage (); | |
| 1312 | |
| 1313 return retval; | |
| 1314 } | |
| 1315 | |
| 1316 static bool | |
| 1317 is_built_in_class (const std::string& cn) | |
| 1318 { | |
| 1319 static std::set<std::string> built_in_class_names; | |
| 1320 | |
| 1321 if (built_in_class_names.empty ()) | |
| 1322 { | |
| 1323 built_in_class_names.insert ("double"); | |
| 1324 built_in_class_names.insert ("single"); | |
| 1325 built_in_class_names.insert ("cell"); | |
| 1326 built_in_class_names.insert ("struct"); | |
| 1327 built_in_class_names.insert ("logical"); | |
| 1328 built_in_class_names.insert ("char"); | |
| 1329 built_in_class_names.insert ("function handle"); | |
| 1330 built_in_class_names.insert ("int8"); | |
| 1331 built_in_class_names.insert ("uint8"); | |
| 1332 built_in_class_names.insert ("int16"); | |
| 1333 built_in_class_names.insert ("uint16"); | |
| 1334 built_in_class_names.insert ("int32"); | |
| 1335 built_in_class_names.insert ("uint32"); | |
| 1336 built_in_class_names.insert ("int64"); | |
| 1337 built_in_class_names.insert ("uint64"); | |
| 1338 } | |
| 1339 | |
| 1340 return built_in_class_names.find (cn) != built_in_class_names.end (); | |
| 1341 } | |
| 1342 | |
| 1343 DEFUN (superiorto, args, , | |
| 1344 "-*- texinfo -*-\n\ | |
| 1345 @deftypefn {Built-in Function} {} superiorto (@var{class_name})\n\ | |
| 1346 When called from a class constructor, mark the object currently\n\ | |
| 1347 constructed as having a higher precedence than @var{class_name}.\n\ | |
| 1348 This function may only be called from a class constructor.\n\ | |
| 1349 @end deftypefn") | |
| 1350 { | |
| 1351 octave_value retval; | |
| 1352 | |
| 1353 octave_function *fcn = octave_call_stack::caller (); | |
| 1354 | |
| 1355 if (fcn && fcn->is_class_constructor ()) | |
| 1356 { | |
| 1357 if (args.length () == 1) | |
| 1358 { | |
| 1359 std::string class_name = args(0).string_value (); | |
| 1360 | |
| 1361 if (! error_state) | |
| 1362 { | |
| 1363 if (! is_built_in_class (class_name)) | |
| 1364 { | |
| 1365 std::string this_class_name = fcn->name (); | |
| 1366 | |
|
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1367 if (! symbol_table::set_class_relationship (this_class_name, |
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1368 class_name)) |
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1369 error ("superiorto: precedence already set for %s and %s", |
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1370 this_class_name.c_str (), class_name.c_str ()); |
| 7338 | 1371 } |
| 1372 else | |
| 1373 { | |
| 1374 // User defined classes always have higher precedence | |
| 1375 // than built-in classes. | |
| 1376 } | |
| 1377 } | |
| 1378 else | |
| 1379 error ("superiorto: expecting argument to be class name"); | |
| 1380 } | |
| 1381 else | |
| 1382 print_usage (); | |
| 1383 } | |
| 1384 else | |
| 1385 error ("superiorto: invalid call from outside class constructor"); | |
| 1386 | |
| 1387 return retval; | |
| 1388 } | |
| 1389 | |
| 1390 DEFUN (inferiorto, args, , | |
| 1391 "-*- texinfo -*-\n\ | |
| 1392 @deftypefn {Built-in Function} {} inferiorto (@var{class_name})\n\ | |
| 1393 When called from a class constructor, mark the object currently\n\ | |
| 1394 constructed as having a lower precedence than @var{class_name}.\n\ | |
| 1395 This function may only be called from a class constructor.\n\ | |
| 1396 @end deftypefn") | |
| 1397 { | |
| 1398 octave_value retval; | |
| 1399 | |
| 1400 octave_function *fcn = octave_call_stack::caller (); | |
| 1401 | |
| 1402 if (fcn && fcn->is_class_constructor ()) | |
| 1403 { | |
| 1404 if (args.length () == 1) | |
| 1405 { | |
| 1406 std::string class_name = args(0).string_value (); | |
| 1407 | |
| 1408 if (! error_state) | |
| 1409 { | |
| 1410 if (! is_built_in_class (class_name)) | |
| 1411 { | |
| 1412 std::string this_class_name = fcn->name (); | |
| 1413 | |
|
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1414 symbol_table::set_class_relationship (class_name, |
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1415 this_class_name); |
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1416 |
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1417 if (! symbol_table::set_class_relationship (this_class_name, |
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1418 class_name)) |
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1419 error ("inferiorto: precedence already set for %s and %s", |
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1420 this_class_name.c_str (), class_name.c_str ()); |
| 7338 | 1421 } |
| 1422 else | |
| 1423 error ("inferiorto: cannot give user-defined class lower precedence than built-in class"); | |
| 1424 } | |
| 1425 else | |
| 1426 error ("inferiorto: expecting argument to be class name"); | |
| 1427 } | |
| 1428 else | |
| 1429 print_usage (); | |
| 1430 } | |
| 1431 else | |
| 1432 error ("inferiorto: invalid call from outside class constructor"); | |
| 1433 | |
| 1434 return retval; | |
| 1435 } | |
| 1436 | |
| 1437 /* | |
| 1438 ;;; Local Variables: *** | |
| 1439 ;;; mode: C++ *** | |
| 1440 ;;; End: *** | |
| 1441 */ |