Mercurial > octave-antonio
annotate src/ov-cell.cc @ 8579:7e0f36dfefbe
implement octave_value_list using Array
| author | Jaroslav Hajek <highegg@gmail.com> |
|---|---|
| date | Fri, 23 Jan 2009 09:57:19 +0100 |
| parents | 906f976d35a8 |
| children | 188d38a553c7 |
| 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" |
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37 #include "oct-locbuf.h" |
| 3353 | 38 |
| 39 #include "defun.h" | |
| 40 #include "error.h" | |
| 41 #include "ov-cell.h" | |
| 3354 | 42 #include "oct-obj.h" |
| 3353 | 43 #include "unwind-prot.h" |
| 3354 | 44 #include "utils.h" |
| 3928 | 45 #include "ov-base-mat.h" |
| 46 #include "ov-base-mat.cc" | |
| 47 #include "ov-re-mat.h" | |
| 48 #include "ov-scalar.h" | |
| 5360 | 49 #include "pr-output.h" |
| 50 #include "ov-scalar.h" | |
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51 #include "gripes.h" |
| 3928 | 52 |
| 4687 | 53 #include "ls-oct-ascii.h" |
| 54 #include "ls-oct-binary.h" | |
| 55 #include "ls-hdf5.h" | |
| 56 #include "ls-utils.h" | |
| 57 | |
| 3928 | 58 template class octave_base_matrix<Cell>; |
| 3353 | 59 |
| 60 DEFINE_OCTAVE_ALLOCATOR (octave_cell); | |
| 61 | |
| 4612 | 62 DEFINE_OV_TYPEID_FUNCTIONS_AND_DATA (octave_cell, "cell", "cell"); |
| 3353 | 63 |
| 6833 | 64 static void |
| 65 gripe_failed_assignment (void) | |
| 66 { | |
| 67 error ("assignment to cell array failed"); | |
| 68 } | |
| 69 | |
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70 octave_value_list |
| 4247 | 71 octave_cell::subsref (const std::string& type, |
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72 const std::list<octave_value_list>& idx, |
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73 int nargout) |
| 3933 | 74 { |
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75 octave_value_list retval; |
| 3933 | 76 |
| 77 switch (type[0]) | |
| 78 { | |
| 79 case '(': | |
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80 retval(0) = do_index_op (idx.front ()); |
| 3933 | 81 break; |
| 82 | |
| 83 case '{': | |
| 84 { | |
| 85 octave_value tmp = do_index_op (idx.front ()); | |
| 86 | |
| 4582 | 87 if (! error_state) |
| 3933 | 88 { |
| 4582 | 89 Cell tcell = tmp.cell_value (); |
| 90 | |
| 91 if (tcell.length () == 1) | |
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92 retval(0) = tcell(0,0); |
| 4582 | 93 else |
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94 retval = octave_value (octave_value_list (tcell), true); |
| 3933 | 95 } |
| 96 } | |
| 97 break; | |
| 98 | |
| 99 case '.': | |
| 100 { | |
| 101 std::string nm = type_name (); | |
| 102 error ("%s cannot be indexed with %c", nm.c_str (), type[0]); | |
| 103 } | |
| 104 break; | |
| 105 | |
| 106 default: | |
| 107 panic_impossible (); | |
| 108 } | |
| 109 | |
| 5775 | 110 // FIXME -- perhaps there should be an |
| 4994 | 111 // octave_value_list::next_subsref member function? See also |
| 112 // octave_user_function::subsref. | |
| 113 | |
| 114 if (idx.size () > 1) | |
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115 retval = retval(0).next_subsref (nargout, type, idx); |
| 4994 | 116 |
| 117 return retval; | |
| 3933 | 118 } |
| 119 | |
| 120 octave_value | |
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121 octave_cell::subsref (const std::string& type, |
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122 const std::list<octave_value_list>& idx, |
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123 bool auto_add) |
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124 { |
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125 octave_value retval; |
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126 |
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127 switch (type[0]) |
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128 { |
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129 case '(': |
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130 retval = do_index_op (idx.front (), auto_add); |
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131 break; |
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132 |
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133 case '{': |
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134 { |
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135 octave_value tmp = do_index_op (idx.front (), auto_add); |
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136 |
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137 if (! error_state) |
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138 { |
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139 Cell tcell = tmp.cell_value (); |
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140 |
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141 if (tcell.length () == 1) |
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142 retval = tcell(0,0); |
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143 else |
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144 retval = octave_value (octave_value_list (tcell), true); |
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145 } |
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146 } |
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147 break; |
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148 |
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149 case '.': |
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150 { |
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151 std::string nm = type_name (); |
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152 error ("%s cannot be indexed with %c", nm.c_str (), type[0]); |
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153 } |
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154 break; |
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155 |
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156 default: |
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157 panic_impossible (); |
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158 } |
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159 |
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160 // FIXME -- perhaps there should be an |
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161 // octave_value_list::next_subsref member function? See also |
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162 // octave_user_function::subsref. |
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163 |
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164 if (idx.size () > 1) |
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165 retval = retval.next_subsref (auto_add, type, idx); |
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166 |
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167 return retval; |
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168 } |
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169 |
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170 octave_value |
| 4247 | 171 octave_cell::subsasgn (const std::string& type, |
| 4219 | 172 const std::list<octave_value_list>& idx, |
| 3933 | 173 const octave_value& rhs) |
| 174 { | |
| 175 octave_value retval; | |
| 176 | |
| 177 int n = type.length (); | |
| 178 | |
| 179 octave_value t_rhs = rhs; | |
| 180 | |
| 181 if (n > 1) | |
| 182 { | |
| 183 switch (type[0]) | |
| 184 { | |
| 185 case '(': | |
| 186 { | |
| 6767 | 187 if (is_empty () && type[1] == '.') |
| 188 { | |
| 189 // Allow conversion of empty cell array to some other | |
| 190 // type in cases like | |
| 191 // | |
| 192 // x = []; x(i).f = rhs | |
| 3933 | 193 |
| 6767 | 194 octave_value tmp = octave_value::empty_conv (type, rhs); |
| 3933 | 195 |
| 6767 | 196 return tmp.subsasgn (type, idx, rhs); |
| 197 } | |
| 198 else | |
| 3933 | 199 { |
| 6767 | 200 octave_value tmp = do_index_op (idx.front (), true); |
| 3933 | 201 |
| 6767 | 202 if (! tmp.is_defined ()) |
| 203 tmp = octave_value::empty_conv (type.substr (1), rhs); | |
| 3933 | 204 |
| 6767 | 205 if (! error_state) |
| 206 { | |
| 207 std::list<octave_value_list> next_idx (idx); | |
| 4362 | 208 |
| 6767 | 209 next_idx.erase (next_idx.begin ()); |
| 210 | |
| 211 tmp.make_unique (); | |
| 212 | |
| 213 t_rhs = tmp.subsasgn (type.substr (1), next_idx, rhs); | |
| 214 } | |
| 3933 | 215 } |
| 216 } | |
| 217 break; | |
| 218 | |
| 219 case '{': | |
| 220 { | |
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221 Cell tmpc = matrix.index (idx.front (), true); |
| 3933 | 222 |
| 4362 | 223 if (! error_state) |
| 224 { | |
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225 std::list<octave_value_list> next_idx (idx); |
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226 |
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227 next_idx.erase (next_idx.begin ()); |
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228 |
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229 std::string next_type = type.substr (1); |
| 3933 | 230 |
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231 if (tmpc.numel () == 1) |
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232 { |
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233 octave_value tmp = tmpc(0); |
| 3933 | 234 |
| 5927 | 235 if (! tmp.is_defined () || tmp.is_zero_by_zero ()) |
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236 tmp = octave_value::empty_conv (type.substr (1), rhs); |
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237 else |
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238 // optimization: ignore the copy still stored inside our array and in tmpc. |
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239 tmp.make_unique (2); |
| 4519 | 240 |
| 241 if (! error_state) | |
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242 t_rhs = tmp.subsasgn (next_type, next_idx, rhs); |
| 4362 | 243 } |
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244 else |
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245 gripe_indexed_cs_list (); |
| 3933 | 246 } |
| 247 } | |
| 248 break; | |
| 249 | |
| 250 case '.': | |
| 251 { | |
| 252 std::string nm = type_name (); | |
| 253 error ("%s cannot be indexed with %c", nm.c_str (), type[0]); | |
| 254 } | |
| 255 break; | |
| 256 | |
| 257 default: | |
| 258 panic_impossible (); | |
| 259 } | |
| 260 } | |
| 261 | |
| 3940 | 262 if (! error_state) |
| 3933 | 263 { |
| 3940 | 264 switch (type[0]) |
| 265 { | |
| 266 case '(': | |
| 267 { | |
| 268 octave_value_list i = idx.front (); | |
| 3933 | 269 |
| 3940 | 270 if (t_rhs.is_cell ()) |
| 271 octave_base_matrix<Cell>::assign (i, t_rhs.cell_value ()); | |
| 272 else | |
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273 if (t_rhs.is_null_value ()) |
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274 octave_base_matrix<Cell>::delete_elements (i); |
| 4941 | 275 else |
| 276 octave_base_matrix<Cell>::assign (i, Cell (t_rhs)); | |
| 3933 | 277 |
| 6833 | 278 if (! error_state) |
| 279 { | |
| 280 count++; | |
| 281 retval = octave_value (this); | |
| 282 } | |
| 283 else | |
| 284 gripe_failed_assignment (); | |
| 3940 | 285 } |
| 286 break; | |
| 3933 | 287 |
| 3940 | 288 case '{': |
| 289 { | |
| 290 octave_value_list i = idx.front (); | |
| 3933 | 291 |
| 5846 | 292 if (t_rhs.is_cs_list ()) |
| 293 { | |
| 294 Cell tmp_cell = Cell (t_rhs.list_value ()); | |
| 295 | |
| 7040 | 296 // The shape of the RHS is irrelevant, we just want |
| 297 // the number of elements to agree and to preserve the | |
| 298 // shape of the left hand side of the assignment. | |
| 299 | |
| 300 if (numel () == tmp_cell.numel ()) | |
| 301 tmp_cell = tmp_cell.reshape (dims ()); | |
| 5846 | 302 |
| 303 octave_base_matrix<Cell>::assign (i, tmp_cell); | |
| 304 } | |
|
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305 else if (i.all_scalars () || do_index_op (i, true).numel () == 1) |
|
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306 // Regularize a null matrix if stored into a cell. |
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307 octave_base_matrix<Cell>::assign (i, Cell (t_rhs.storable_value ())); |
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308 else if (! error_state) |
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309 error ("invalid assignment to cs-list outside multiple assignment."); |
| 3933 | 310 |
| 6833 | 311 if (! error_state) |
| 312 { | |
| 313 count++; | |
| 314 retval = octave_value (this); | |
| 315 } | |
| 316 else | |
| 317 gripe_failed_assignment (); | |
| 3940 | 318 } |
| 319 break; | |
| 3933 | 320 |
| 3940 | 321 case '.': |
| 322 { | |
| 323 std::string nm = type_name (); | |
| 324 error ("%s cannot be indexed with %c", nm.c_str (), type[0]); | |
| 325 } | |
| 326 break; | |
| 3933 | 327 |
| 3940 | 328 default: |
| 329 panic_impossible (); | |
| 330 } | |
| 3933 | 331 } |
| 332 | |
| 333 return retval; | |
| 334 } | |
| 335 | |
| 3353 | 336 void |
| 337 octave_cell::assign (const octave_value_list& idx, const octave_value& rhs) | |
| 338 { | |
| 3928 | 339 if (rhs.is_cell ()) |
| 340 octave_base_matrix<Cell>::assign (idx, rhs.cell_value ()); | |
| 3353 | 341 else |
| 3928 | 342 octave_base_matrix<Cell>::assign (idx, Cell (rhs)); |
| 3353 | 343 } |
| 344 | |
| 4791 | 345 size_t |
| 346 octave_cell::byte_size (void) const | |
| 347 { | |
| 348 size_t retval = 0; | |
| 349 | |
| 5275 | 350 for (octave_idx_type i = 0; i < numel (); i++) |
| 4791 | 351 retval += matrix(i).byte_size (); |
| 352 | |
| 353 return retval; | |
| 354 } | |
| 355 | |
| 3933 | 356 octave_value_list |
| 357 octave_cell::list_value (void) const | |
| 358 { | |
| 359 octave_value_list retval; | |
| 360 | |
| 5275 | 361 octave_idx_type nr = rows (); |
| 362 octave_idx_type nc = columns (); | |
| 3933 | 363 |
| 364 if (nr == 1 && nc > 0) | |
| 365 { | |
| 366 retval.resize (nc); | |
| 367 | |
| 5275 | 368 for (octave_idx_type i = 0; i < nc; i++) |
| 3933 | 369 retval(i) = matrix(0,i); |
| 370 } | |
| 371 else if (nc == 1 && nr > 0) | |
| 372 { | |
| 373 retval.resize (nr); | |
| 374 | |
| 5275 | 375 for (octave_idx_type i = 0; i < nr; i++) |
| 3933 | 376 retval(i) = matrix(i,0); |
| 377 } | |
| 378 else | |
| 379 error ("invalid conversion from cell array to list"); | |
| 380 | |
| 381 return retval; | |
| 382 } | |
| 383 | |
| 4243 | 384 string_vector |
| 5715 | 385 octave_cell::all_strings (bool pad) const |
| 4243 | 386 { |
| 4358 | 387 string_vector retval; |
| 388 | |
| 7285 | 389 octave_idx_type nel = numel (); |
| 4243 | 390 |
| 4358 | 391 int n_elts = 0; |
| 392 | |
| 5275 | 393 octave_idx_type max_len = 0; |
| 4358 | 394 |
| 7285 | 395 for (octave_idx_type i = 0; i < nel; i++) |
| 4358 | 396 { |
| 7285 | 397 string_vector s = matrix(i).all_strings (); |
| 398 | |
| 399 if (error_state) | |
| 400 return retval; | |
| 4358 | 401 |
| 7285 | 402 octave_idx_type s_len = s.length (); |
| 4358 | 403 |
| 7285 | 404 n_elts += s_len ? s_len : 1; |
| 4358 | 405 |
| 7285 | 406 octave_idx_type s_max_len = s.max_length (); |
| 4358 | 407 |
| 7285 | 408 if (s_max_len > max_len) |
| 409 max_len = s_max_len; | |
| 4358 | 410 } |
| 411 | |
| 412 retval.resize (n_elts); | |
| 4243 | 413 |
| 5275 | 414 octave_idx_type k = 0; |
| 4243 | 415 |
| 7285 | 416 for (octave_idx_type i = 0; i < nel; i++) |
| 4243 | 417 { |
| 7285 | 418 string_vector s = matrix(i).all_strings (); |
| 419 | |
| 420 octave_idx_type s_len = s.length (); | |
| 4358 | 421 |
| 7285 | 422 if (s_len) |
| 423 { | |
| 424 for (octave_idx_type j = 0; j < s_len; j++) | |
| 5715 | 425 { |
| 7285 | 426 std::string t = s[j]; |
| 5715 | 427 int t_len = t.length (); |
| 428 | |
| 429 if (pad && max_len > t_len) | |
| 430 t += std::string (max_len - t_len, ' '); | |
| 431 | |
| 432 retval[k++] = t; | |
| 433 } | |
| 4243 | 434 } |
| 7285 | 435 else if (pad) |
| 436 retval[k++] = std::string (max_len, ' '); | |
| 437 else | |
| 438 retval[k++] = std::string (); | |
| 4243 | 439 } |
| 440 | |
| 441 return retval; | |
| 442 } | |
| 443 | |
| 4604 | 444 bool |
| 445 octave_cell::print_as_scalar (void) const | |
| 446 { | |
| 447 return (ndims () > 2 || numel () == 0); | |
| 448 } | |
| 449 | |
| 3933 | 450 void |
| 451 octave_cell::print (std::ostream& os, bool) const | |
| 452 { | |
| 453 print_raw (os); | |
| 454 } | |
| 455 | |
| 456 void | |
| 457 octave_cell::print_raw (std::ostream& os, bool) const | |
| 458 { | |
| 4587 | 459 int nd = matrix.ndims (); |
| 4513 | 460 |
| 4587 | 461 if (nd == 2) |
| 4513 | 462 { |
| 5275 | 463 octave_idx_type nr = rows (); |
| 464 octave_idx_type nc = columns (); | |
| 4513 | 465 |
| 466 if (nr > 0 && nc > 0) | |
| 467 { | |
| 468 indent (os); | |
| 469 os << "{"; | |
| 470 newline (os); | |
| 471 | |
| 472 increment_indent_level (); | |
| 473 | |
| 5275 | 474 for (octave_idx_type j = 0; j < nc; j++) |
| 4513 | 475 { |
| 5275 | 476 for (octave_idx_type i = 0; i < nr; i++) |
| 4513 | 477 { |
| 478 OCTAVE_QUIT; | |
| 479 | |
| 5765 | 480 std::ostringstream buf; |
| 481 buf << "[" << i+1 << "," << j+1 << "]"; | |
| 3933 | 482 |
| 4513 | 483 octave_value val = matrix(i,j); |
| 484 | |
| 5765 | 485 val.print_with_name (os, buf.str ()); |
| 4513 | 486 } |
| 487 } | |
| 488 | |
| 489 decrement_indent_level (); | |
| 490 | |
| 491 indent (os); | |
| 492 os << "}"; | |
| 493 newline (os); | |
| 494 } | |
| 495 else | |
| 496 { | |
| 497 os << "{}"; | |
| 5360 | 498 if (Vprint_empty_dimensions) |
| 4513 | 499 os << "(" << nr << "x" << nc << ")"; |
| 500 os << "\n"; | |
| 501 } | |
| 502 } | |
| 503 else | |
| 3933 | 504 { |
| 505 indent (os); | |
| 4513 | 506 dim_vector dv = matrix.dims (); |
| 4587 | 507 os << "{" << dv.str () << " Cell Array}"; |
| 3933 | 508 newline (os); |
| 509 } | |
| 510 } | |
| 511 | |
| 4687 | 512 #define CELL_ELT_TAG "<cell-element>" |
| 513 | |
| 514 bool | |
| 6974 | 515 octave_cell::save_ascii (std::ostream& os) |
| 4687 | 516 { |
| 517 dim_vector d = dims (); | |
| 518 if (d.length () > 2) | |
| 519 { | |
| 520 os << "# ndims: " << d.length () << "\n"; | |
| 521 | |
| 5275 | 522 for (int i = 0; i < d.length (); i++) |
| 4687 | 523 os << " " << d (i); |
| 524 os << "\n"; | |
| 525 | |
| 526 Cell tmp = cell_value (); | |
| 527 | |
| 5275 | 528 for (octave_idx_type i = 0; i < d.numel (); i++) |
| 4687 | 529 { |
| 530 octave_value o_val = tmp.elem (i); | |
| 531 | |
| 532 // Recurse to print sub-value. | |
| 6974 | 533 bool b = save_ascii_data (os, o_val, CELL_ELT_TAG, false, 0); |
| 4687 | 534 |
| 535 if (! b) | |
| 536 return os; | |
| 537 } | |
| 538 } | |
| 539 else | |
| 540 { | |
| 541 // Keep this case, rather than use generic code above for backward | |
| 542 // compatiability. Makes load_ascii much more complex!! | |
| 543 os << "# rows: " << rows () << "\n" | |
| 544 << "# columns: " << columns () << "\n"; | |
| 545 | |
| 546 Cell tmp = cell_value (); | |
| 547 | |
| 5275 | 548 for (octave_idx_type j = 0; j < tmp.cols (); j++) |
| 4687 | 549 { |
| 5275 | 550 for (octave_idx_type i = 0; i < tmp.rows (); i++) |
| 4687 | 551 { |
| 552 octave_value o_val = tmp.elem (i, j); | |
| 553 | |
| 554 // Recurse to print sub-value. | |
| 6974 | 555 bool b = save_ascii_data (os, o_val, CELL_ELT_TAG, false, 0); |
| 4687 | 556 |
| 557 if (! b) | |
| 558 return os; | |
| 559 } | |
| 560 | |
| 561 os << "\n"; | |
| 562 } | |
| 563 } | |
| 564 | |
| 565 return true; | |
| 566 } | |
| 567 | |
| 568 bool | |
| 569 octave_cell::load_ascii (std::istream& is) | |
| 570 { | |
| 571 bool success = true; | |
| 5099 | 572 |
| 573 string_vector keywords(2); | |
| 4687 | 574 |
| 5099 | 575 keywords[0] = "ndims"; |
| 576 keywords[1] = "rows"; | |
| 577 | |
| 578 std::string kw; | |
| 5275 | 579 octave_idx_type val = 0; |
| 5099 | 580 |
| 581 if (extract_keyword (is, keywords, kw, val, true)) | |
| 4687 | 582 { |
| 5099 | 583 if (kw == "ndims") |
| 4687 | 584 { |
| 5275 | 585 int mdims = static_cast<int> (val); |
| 4687 | 586 |
| 5099 | 587 if (mdims >= 0) |
| 588 { | |
| 589 dim_vector dv; | |
| 590 dv.resize (mdims); | |
| 591 | |
| 592 for (int i = 0; i < mdims; i++) | |
| 593 is >> dv(i); | |
| 4687 | 594 |
| 5099 | 595 Cell tmp(dv); |
| 4687 | 596 |
| 5275 | 597 for (octave_idx_type i = 0; i < dv.numel (); i++) |
| 5099 | 598 { |
| 599 octave_value t2; | |
| 600 bool dummy; | |
| 601 | |
| 602 // recurse to read cell elements | |
| 603 std::string nm = read_ascii_data (is, std::string (), | |
| 5759 | 604 dummy, t2, i); |
| 4687 | 605 |
| 5099 | 606 if (nm == CELL_ELT_TAG) |
| 607 { | |
| 608 if (is) | |
| 609 tmp.elem (i) = t2; | |
| 610 } | |
| 611 else | |
| 612 { | |
| 613 error ("load: cell array element had unexpected name"); | |
| 614 success = false; | |
| 615 break; | |
| 616 } | |
| 617 } | |
| 4687 | 618 |
| 5099 | 619 if (is) |
| 620 matrix = tmp; | |
| 4687 | 621 else |
| 622 { | |
| 5099 | 623 error ("load: failed to load matrix constant"); |
| 4687 | 624 success = false; |
| 625 } | |
| 626 } | |
| 627 else | |
| 628 { | |
| 5099 | 629 error ("load: failed to extract number of rows and columns"); |
| 630 success = false; | |
| 631 } | |
| 632 } | |
| 633 else if (kw == "rows") | |
| 634 { | |
| 5275 | 635 octave_idx_type nr = val; |
| 636 octave_idx_type nc = 0; | |
| 5099 | 637 |
| 638 if (nr >= 0 && extract_keyword (is, "columns", nc) && nc >= 0) | |
| 639 { | |
| 640 if (nr > 0 && nc > 0) | |
| 641 { | |
| 642 Cell tmp (nr, nc); | |
| 643 | |
| 5275 | 644 for (octave_idx_type j = 0; j < nc; j++) |
| 5099 | 645 { |
| 5275 | 646 for (octave_idx_type i = 0; i < nr; i++) |
| 5099 | 647 { |
| 648 octave_value t2; | |
| 649 bool dummy; | |
| 650 | |
| 651 // recurse to read cell elements | |
| 652 std::string nm = read_ascii_data (is, std::string (), | |
| 5759 | 653 dummy, t2, i); |
| 5099 | 654 |
| 655 if (nm == CELL_ELT_TAG) | |
| 656 { | |
| 657 if (is) | |
| 658 tmp.elem (i, j) = t2; | |
| 659 } | |
| 660 else | |
| 661 { | |
| 662 error ("load: cell array element had unexpected name"); | |
| 663 success = false; | |
| 664 goto cell_read_error; | |
| 665 } | |
| 666 } | |
| 667 } | |
| 668 | |
| 669 cell_read_error: | |
| 670 | |
| 671 if (is) | |
| 672 matrix = tmp; | |
| 673 else | |
| 674 { | |
| 675 error ("load: failed to load cell element"); | |
| 676 success = false; | |
| 677 } | |
| 678 } | |
| 679 else if (nr == 0 || nc == 0) | |
| 680 matrix = Cell (nr, nc); | |
| 681 else | |
| 682 panic_impossible (); | |
| 683 } | |
| 684 else | |
| 685 { | |
| 686 error ("load: failed to extract number of rows and columns for cell array"); | |
| 4687 | 687 success = false; |
| 688 } | |
| 689 } | |
| 690 else | |
| 5099 | 691 panic_impossible (); |
| 4687 | 692 } |
| 693 else | |
| 694 { | |
| 5099 | 695 error ("load: failed to extract number of rows and columns"); |
| 696 success = false; | |
| 4687 | 697 } |
| 698 | |
| 699 return success; | |
| 700 } | |
| 701 | |
| 702 bool | |
| 703 octave_cell::save_binary (std::ostream& os, bool& save_as_floats) | |
| 704 { | |
| 705 dim_vector d = dims (); | |
| 706 if (d.length () < 1) | |
| 707 return false; | |
| 708 | |
| 709 // Use negative value for ndims | |
| 5828 | 710 int32_t di = - d.length(); |
| 5760 | 711 os.write (reinterpret_cast<char *> (&di), 4); |
| 5275 | 712 for (int i = 0; i < d.length (); i++) |
| 4687 | 713 { |
| 714 di = d(i); | |
| 5760 | 715 os.write (reinterpret_cast<char *> (&di), 4); |
| 4687 | 716 } |
| 717 | |
| 718 Cell tmp = cell_value (); | |
| 719 | |
| 5275 | 720 for (octave_idx_type i = 0; i < d.numel (); i++) |
| 4687 | 721 { |
| 722 octave_value o_val = tmp.elem (i); | |
| 723 | |
| 724 // Recurse to print sub-value. | |
| 725 bool b = save_binary_data (os, o_val, CELL_ELT_TAG, "", 0, | |
| 726 save_as_floats); | |
| 727 | |
| 728 if (! b) | |
| 729 return false; | |
| 730 } | |
| 731 | |
| 732 return true; | |
| 733 } | |
| 734 | |
| 735 bool | |
| 736 octave_cell::load_binary (std::istream& is, bool swap, | |
| 737 oct_mach_info::float_format fmt) | |
| 738 { | |
| 739 bool success = true; | |
| 5828 | 740 int32_t mdims; |
| 5760 | 741 if (! is.read (reinterpret_cast<char *> (&mdims), 4)) |
| 4687 | 742 return false; |
| 743 if (swap) | |
| 4944 | 744 swap_bytes<4> (&mdims); |
| 4687 | 745 if (mdims >= 0) |
| 746 return false; | |
| 747 | |
| 748 mdims = -mdims; | |
| 5828 | 749 int32_t di; |
| 4687 | 750 dim_vector dv; |
| 751 dv.resize (mdims); | |
| 752 | |
| 753 for (int i = 0; i < mdims; i++) | |
| 754 { | |
| 5760 | 755 if (! is.read (reinterpret_cast<char *> (&di), 4)) |
| 4687 | 756 return false; |
| 757 if (swap) | |
| 4944 | 758 swap_bytes<4> (&di); |
| 4687 | 759 dv(i) = di; |
| 760 } | |
| 761 | |
| 5157 | 762 // Convert an array with a single dimension to be a row vector. |
| 763 // Octave should never write files like this, other software | |
| 764 // might. | |
| 765 | |
| 766 if (mdims == 1) | |
| 767 { | |
| 768 mdims = 2; | |
| 769 dv.resize (mdims); | |
| 770 dv(1) = dv(0); | |
| 771 dv(0) = 1; | |
| 772 } | |
| 773 | |
| 5275 | 774 octave_idx_type nel = dv.numel (); |
| 4687 | 775 Cell tmp(dv); |
| 776 | |
| 5275 | 777 for (octave_idx_type i = 0; i < nel; i++) |
| 4687 | 778 { |
| 779 octave_value t2; | |
| 780 bool dummy; | |
| 781 std::string doc; | |
| 782 | |
| 783 // recurse to read cell elements | |
| 784 std::string nm = read_binary_data (is, swap, fmt, std::string (), | |
| 785 dummy, t2, doc); | |
| 786 | |
| 787 if (nm == CELL_ELT_TAG) | |
| 788 { | |
| 789 if (is) | |
| 790 tmp.elem (i) = t2; | |
| 791 } | |
| 792 else | |
| 793 { | |
| 794 error ("load: cell array element had unexpected name"); | |
| 795 success = false; | |
| 796 break; | |
| 797 } | |
| 798 } | |
| 799 | |
| 800 if (is) | |
| 801 matrix = tmp; | |
| 802 else | |
| 803 { | |
| 804 error ("load: failed to load matrix constant"); | |
| 805 success = false; | |
| 806 } | |
| 807 | |
| 808 return success; | |
| 809 } | |
| 810 | |
| 811 #if defined (HAVE_HDF5) | |
| 4815 | 812 |
| 4687 | 813 bool |
| 814 octave_cell::save_hdf5 (hid_t loc_id, const char *name, bool save_as_floats) | |
| 815 { | |
| 4814 | 816 dim_vector dv = dims (); |
| 4837 | 817 int empty = save_hdf5_empty (loc_id, name, dv); |
| 818 if (empty) | |
| 819 return (empty > 0); | |
| 820 | |
| 4815 | 821 hsize_t rank = dv.length (); |
| 4687 | 822 hid_t space_hid = -1, data_hid = -1, size_hid = -1; |
| 823 | |
| 824 data_hid = H5Gcreate (loc_id, name, 0); | |
| 4815 | 825 |
| 826 if (data_hid < 0) | |
| 827 return false; | |
| 4687 | 828 |
| 4814 | 829 // Have to save cell array shape, since can't have a |
| 830 // dataset of groups.... | |
| 4815 | 831 |
| 832 space_hid = H5Screate_simple (1, &rank, 0); | |
| 833 | |
| 4687 | 834 if (space_hid < 0) |
| 835 { | |
| 836 H5Gclose (data_hid); | |
| 837 return false; | |
| 838 } | |
| 839 | |
| 5351 | 840 OCTAVE_LOCAL_BUFFER (octave_idx_type, hdims, rank); |
| 4814 | 841 |
| 842 // Octave uses column-major, while HDF5 uses row-major ordering | |
| 4933 | 843 for (hsize_t i = 0; i < rank; i++) |
| 4815 | 844 hdims[i] = dv(rank-i-1); |
| 4814 | 845 |
| 5351 | 846 size_hid = H5Dcreate (data_hid, "dims", H5T_NATIVE_IDX, space_hid, |
| 4687 | 847 H5P_DEFAULT); |
| 848 if (size_hid < 0) | |
| 849 { | |
| 850 H5Sclose (space_hid); | |
| 851 H5Gclose (data_hid); | |
| 852 return false; | |
| 853 } | |
| 854 | |
| 6276 | 855 if (H5Dwrite (size_hid, H5T_NATIVE_IDX, H5S_ALL, H5S_ALL, |
| 856 H5P_DEFAULT, hdims) < 0) | |
| 4687 | 857 { |
| 858 H5Dclose (size_hid); | |
| 859 H5Sclose (space_hid); | |
| 860 H5Gclose (data_hid); | |
| 861 return false; | |
| 862 } | |
| 4815 | 863 |
| 4687 | 864 H5Dclose (size_hid); |
| 865 H5Sclose (space_hid); | |
| 866 | |
| 4815 | 867 // Recursively add each element of the cell to this group. |
| 868 | |
| 4687 | 869 Cell tmp = cell_value (); |
| 5850 | 870 |
| 871 octave_idx_type nel = dv.numel (); | |
| 872 | |
| 873 for (octave_idx_type i = 0; i < nel; i++) | |
| 4687 | 874 { |
| 5765 | 875 std::ostringstream buf; |
|
7503
8c32f95c2639
convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents:
7285
diff
changeset
|
876 int digits = static_cast<int> (::floor (::log10 (static_cast<double> (nel)) + 1.0)); |
| 5850 | 877 buf << "_" << std::setw (digits) << std::setfill ('0') << i; |
| 5765 | 878 std::string s = buf.str (); |
| 4687 | 879 |
| 5850 | 880 if (! add_hdf5_data (data_hid, tmp.elem (i), s.c_str (), "", false, |
| 881 save_as_floats)) | |
| 4814 | 882 { |
| 883 H5Gclose (data_hid); | |
| 884 return false; | |
| 4687 | 885 } |
| 886 } | |
| 887 | |
| 888 H5Gclose (data_hid); | |
| 4815 | 889 |
| 4687 | 890 return true; |
| 891 } | |
| 892 | |
| 893 bool | |
| 894 octave_cell::load_hdf5 (hid_t loc_id, const char *name, | |
| 895 bool have_h5giterate_bug) | |
| 896 { | |
| 897 bool retval = false; | |
| 4837 | 898 |
| 899 dim_vector dv; | |
| 900 int empty = load_hdf5_empty (loc_id, name, dv); | |
| 901 if (empty > 0) | |
| 902 matrix.resize(dv); | |
| 903 if (empty) | |
| 904 return (empty > 0); | |
| 905 | |
| 4687 | 906 hid_t group_id = H5Gopen (loc_id, name); |
| 907 | |
| 908 if (group_id < 0) | |
| 909 return false; | |
| 910 | |
| 4814 | 911 hid_t data_hid = H5Dopen (group_id, "dims"); |
| 4687 | 912 hid_t space_hid = H5Dget_space (data_hid); |
| 913 hsize_t rank = H5Sget_simple_extent_ndims (space_hid); | |
| 4814 | 914 if (rank != 1) |
| 4687 | 915 { |
| 4837 | 916 H5Dclose (data_hid); |
| 917 H5Gclose (group_id); | |
| 4687 | 918 return false; |
| 919 } | |
| 920 | |
| 4814 | 921 OCTAVE_LOCAL_BUFFER (hsize_t, hdims, rank); |
| 922 OCTAVE_LOCAL_BUFFER (hsize_t, maxdims, rank); | |
| 4815 | 923 |
| 4814 | 924 H5Sget_simple_extent_dims (space_hid, hdims, maxdims); |
| 4687 | 925 |
| 4815 | 926 // Octave uses column-major, while HDF5 uses row-major ordering. |
| 927 | |
| 4814 | 928 dv.resize (hdims[0]); |
| 4815 | 929 |
| 5351 | 930 OCTAVE_LOCAL_BUFFER (octave_idx_type, tmp, hdims[0]); |
| 4814 | 931 |
| 5351 | 932 if (H5Dread (data_hid, H5T_NATIVE_IDX, H5S_ALL, H5S_ALL, |
| 4815 | 933 H5P_DEFAULT, tmp) < 0) |
| 4687 | 934 { |
| 4837 | 935 H5Dclose (data_hid); |
| 936 H5Gclose (group_id); | |
| 4687 | 937 return false; |
| 938 } | |
| 4815 | 939 |
| 4687 | 940 H5Dclose (data_hid); |
| 941 H5Gclose (group_id); | |
| 942 | |
| 4815 | 943 for (hsize_t i = 0, j = hdims[0] - 1; i < hdims[0]; i++, j--) |
| 4814 | 944 dv(j) = tmp[i]; |
| 945 | |
| 4687 | 946 hdf5_callback_data dsub; |
| 947 | |
| 948 herr_t retval2 = -1; | |
| 4815 | 949 |
| 4814 | 950 Cell m (dv); |
| 4815 | 951 |
| 4687 | 952 int current_item = 0; |
| 4815 | 953 |
| 4687 | 954 if (have_h5giterate_bug) |
| 4815 | 955 current_item = 1; // Skip dims items in group. |
| 4687 | 956 |
| 4696 | 957 #ifdef HAVE_H5GGET_NUM_OBJS |
| 958 hsize_t num_obj = 0; | |
| 5060 | 959 group_id = H5Gopen (loc_id, name); |
| 960 H5Gget_num_objs (group_id, &num_obj); | |
| 961 H5Gclose (group_id); | |
| 4696 | 962 #endif |
| 963 | |
| 5275 | 964 for (octave_idx_type i = 0; i < dv.numel (); i++) |
| 4687 | 965 { |
| 4696 | 966 |
| 967 #ifdef HAVE_H5GGET_NUM_OBJS | |
| 4814 | 968 if (current_item >= static_cast<int> (num_obj)) |
| 969 retval2 = -1; | |
| 970 else | |
| 4696 | 971 #endif |
| 4814 | 972 retval2 = H5Giterate (loc_id, name, ¤t_item, |
| 973 hdf5_read_next_data, &dsub); | |
| 974 | |
| 4687 | 975 if (retval2 <= 0) |
| 976 break; | |
| 4814 | 977 |
| 978 octave_value ov = dsub.tc; | |
| 979 m.elem (i) = ov; | |
| 980 | |
| 981 if (have_h5giterate_bug) | |
| 4815 | 982 current_item++; // H5Giterate returned the last index processed. |
| 4814 | 983 |
| 4687 | 984 } |
| 985 | |
| 986 if (retval2 >= 0) | |
| 987 { | |
| 988 matrix = m; | |
| 989 retval = true; | |
| 990 } | |
| 991 | |
| 992 return retval; | |
| 993 } | |
| 4815 | 994 |
| 4687 | 995 #endif |
| 996 | |
| 3354 | 997 DEFUN (iscell, args, , |
| 3448 | 998 "-*- texinfo -*-\n\ |
| 999 @deftypefn {Built-in Function} {} iscell (@var{x})\n\ | |
| 1000 Return true if @var{x} is a cell array object. Otherwise, return\n\ | |
| 1001 false.\n\ | |
| 1002 @end deftypefn") | |
| 3354 | 1003 { |
| 1004 octave_value retval; | |
| 1005 | |
| 1006 if (args.length () == 1) | |
| 1007 retval = args(0).is_cell (); | |
| 1008 else | |
| 5823 | 1009 print_usage (); |
| 3354 | 1010 |
| 1011 return retval; | |
| 1012 } | |
| 1013 | |
| 1014 DEFUN (cell, args, , | |
| 3448 | 1015 "-*- texinfo -*-\n\ |
| 1016 @deftypefn {Built-in Function} {} cell (@var{x})\n\ | |
| 1017 @deftypefnx {Built-in Function} {} cell (@var{n}, @var{m})\n\ | |
| 1018 Create a new cell array object. If invoked with a single scalar\n\ | |
| 1019 argument, @code{cell} returns a square cell array with the dimension\n\ | |
| 1020 specified. If you supply two scalar arguments, @code{cell} takes\n\ | |
| 1021 them to be the number of rows and columns. If given a vector with two\n\ | |
| 1022 elements, @code{cell} uses the values of the elements as the number of\n\ | |
| 1023 rows and columns, respectively.\n\ | |
| 1024 @end deftypefn") | |
| 3354 | 1025 { |
| 1026 octave_value retval; | |
| 1027 | |
| 1028 int nargin = args.length (); | |
| 1029 | |
| 4563 | 1030 dim_vector dims; |
| 1031 | |
| 3354 | 1032 switch (nargin) |
| 1033 { | |
| 4563 | 1034 case 0: |
| 1035 dims = dim_vector (0, 0); | |
| 3354 | 1036 break; |
| 1037 | |
| 4563 | 1038 case 1: |
| 1039 get_dimensions (args(0), "cell", dims); | |
| 3354 | 1040 break; |
| 1041 | |
| 1042 default: | |
| 4563 | 1043 { |
| 1044 dims.resize (nargin); | |
| 1045 | |
| 1046 for (int i = 0; i < nargin; i++) | |
| 1047 { | |
| 1048 dims(i) = args(i).is_empty () ? 0 : args(i).nint_value (); | |
| 1049 | |
| 1050 if (error_state) | |
| 1051 { | |
| 1052 error ("cell: expecting scalar arguments"); | |
| 1053 break; | |
| 1054 } | |
| 1055 } | |
| 1056 } | |
| 3354 | 1057 break; |
| 1058 } | |
| 1059 | |
| 4563 | 1060 if (! error_state) |
| 1061 { | |
|
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1062 dims.chop_trailing_singletons (); |
| 4563 | 1063 |
| 1064 check_dimensions (dims, "cell"); | |
| 1065 | |
| 1066 if (! error_state) | |
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1067 retval = Cell (dims, Matrix ()); |
| 4563 | 1068 } |
| 1069 | |
| 3354 | 1070 return retval; |
| 1071 } | |
| 1072 | |
| 4610 | 1073 DEFUN (iscellstr, args, , |
| 1074 "-*- texinfo -*-\n\ | |
| 1075 @deftypefn {Built-in Function} {} iscellstr (@var{cell})\n\ | |
| 1076 Return true if every element of the cell array @var{cell} is a\n\ | |
| 1077 character string\n\ | |
| 1078 @end deftypefn") | |
| 1079 { | |
| 4699 | 1080 octave_value retval; |
| 4610 | 1081 |
| 1082 if (args.length () == 1) | |
| 6116 | 1083 retval = args(0).is_cellstr (); |
| 4610 | 1084 else |
| 5823 | 1085 print_usage (); |
| 4610 | 1086 |
| 1087 return retval; | |
| 1088 } | |
| 1089 | |
| 4817 | 1090 // Note that since Fcellstr calls Fiscellstr, we need to have |
| 1091 // Fiscellstr defined first (to provide a declaration) and also we | |
| 1092 // should keep it in the same file (so we don't have to provide a | |
| 1093 // declaration) and so we don't have to use feval to call it. | |
| 1094 | |
| 1095 DEFUN (cellstr, args, , | |
| 1096 "-*- texinfo -*-\n\ | |
| 1097 @deftypefn {Built-in Function} {} cellstr (@var{string})\n\ | |
| 1098 Create a new cell array object from the elements of the string\n\ | |
| 1099 array @var{string}.\n\ | |
| 1100 @end deftypefn") | |
| 1101 { | |
| 1102 octave_value retval; | |
| 1103 | |
| 1104 if (args.length () == 1) | |
| 1105 { | |
| 1106 octave_value_list tmp = Fiscellstr (args, 1); | |
| 1107 | |
| 1108 if (tmp(0).is_true ()) | |
| 1109 retval = args(0); | |
| 1110 else | |
| 1111 { | |
| 1112 string_vector s = args(0).all_strings (); | |
| 1113 | |
| 1114 if (! error_state) | |
| 7813 | 1115 retval = (s.is_empty () |
| 1116 ? Cell (octave_value (std::string ())) | |
| 1117 : Cell (s, true)); | |
| 4817 | 1118 else |
| 1119 error ("cellstr: expecting argument to be a 2-d character array"); | |
| 1120 } | |
| 1121 } | |
| 1122 else | |
| 5823 | 1123 print_usage (); |
| 4817 | 1124 |
| 1125 return retval; | |
| 1126 } | |
| 1127 | |
| 4762 | 1128 DEFUN (struct2cell, args, , |
| 1129 "-*- texinfo -*-\n\ | |
| 1130 @deftypefn {Built-in Function} {} struct2cell (@var{S})\n\ | |
| 1131 Create a new cell array from the objects stored in the struct object.\n\ | |
| 4764 | 1132 If @var{f} is the number of fields in the structure, the resulting\n\ |
| 1133 cell array will have a dimension vector corresponding to\n\ | |
| 1134 @code{[@var{F} size(@var{S})]}.\n\ | |
| 5642 | 1135 @seealso{cell2struct, fieldnames}\n\ |
| 1136 @end deftypefn") | |
| 4762 | 1137 { |
| 1138 octave_value retval; | |
| 4764 | 1139 |
| 4762 | 1140 int nargin = args.length (); |
| 4764 | 1141 |
| 4762 | 1142 if (nargin == 1) |
| 1143 { | |
| 4764 | 1144 Octave_map m = args(0).map_value (); |
| 1145 | |
| 4762 | 1146 if (! error_state) |
| 1147 { | |
| 1148 dim_vector m_dv = m.dims (); | |
| 4764 | 1149 |
| 4762 | 1150 string_vector keys = m.keys (); |
| 4764 | 1151 |
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1152 octave_idx_type num_fields = keys.length (); |
| 4764 | 1153 |
| 4762 | 1154 // The resulting dim_vector should have dimensions: |
| 1155 // [numel(fields) size(struct)] | |
| 4764 | 1156 |
| 4762 | 1157 dim_vector result_dv; |
| 4764 | 1158 result_dv.resize (m_dv.length () + 1); // Add 1 for the fields. |
| 1159 | |
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1160 result_dv(0) = num_fields; |
| 4762 | 1161 |
| 1162 for (int i = 1; i < result_dv.length (); i++) | |
| 1163 result_dv(i) = m_dv(i-1); | |
| 4764 | 1164 |
| 4762 | 1165 Cell c (result_dv); |
| 4764 | 1166 |
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1167 octave_idx_type n_elts = m.numel (); |
| 4764 | 1168 |
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1169 for (octave_idx_type j = 0; j < num_fields; j++) |
| 4762 | 1170 { |
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1171 octave_idx_type k = j; |
| 4764 | 1172 |
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1173 const Cell vals = m.contents (keys(j)); |
| 4764 | 1174 |
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1175 for (octave_idx_type i = 0; i < n_elts; i++) |
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1176 { |
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1177 c(k) = vals(i); |
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1178 k += num_fields; |
| 4762 | 1179 } |
| 1180 } | |
| 1181 | |
| 1182 retval = c; | |
| 1183 } | |
| 1184 else | |
| 1185 error ("struct2cell: expecting argument to be a cell array"); | |
| 1186 } | |
| 1187 else | |
| 5823 | 1188 print_usage (); |
| 4764 | 1189 |
| 4762 | 1190 return retval; |
| 1191 } | |
| 1192 | |
| 5900 | 1193 mxArray * |
| 1194 octave_cell::as_mxArray (void) const | |
| 1195 { | |
| 1196 mxArray *retval = new mxArray (dims ()); | |
| 1197 | |
| 1198 mxArray **elts = static_cast<mxArray **> (retval->get_data ()); | |
| 1199 | |
| 6686 | 1200 mwSize nel = numel (); |
| 5900 | 1201 |
| 1202 const octave_value *p = matrix.data (); | |
| 1203 | |
| 6686 | 1204 for (mwIndex i = 0; i < nel; i++) |
| 5900 | 1205 elts[i] = new mxArray (p[i]); |
| 1206 | |
| 1207 return retval; | |
| 1208 } | |
| 1209 | |
| 3353 | 1210 /* |
| 1211 ;;; Local Variables: *** | |
| 1212 ;;; mode: C++ *** | |
| 1213 ;;; End: *** | |
| 1214 */ |